1 | /* $Id: libmondo-string.c 576 2006-05-25 12:00:37Z bcornec $ */
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2 |
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3 |
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4 | /**
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5 | * @file
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6 | * Functions for handling strings.
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7 | */
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8 |
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9 | #include "my-stuff.h"
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10 | #include "mondostructures.h"
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11 | #include "libmondo-string.h"
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12 | #include "lib-common-externs.h"
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13 | #include "libmondo-files-EXT.h"
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14 | #include "libmondo-gui-EXT.h"
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15 | #include "libmondo-tools-EXT.h"
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16 |
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17 | /*@unused@*/
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18 | //static char cvsid[] = "$Id: libmondo-string.c 576 2006-05-25 12:00:37Z bcornec $";
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19 |
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20 | extern int g_current_media_number;
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21 | extern long long g_tape_posK;
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22 |
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23 |
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24 | /**
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25 | * @addtogroup stringGroup
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26 | * @{
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27 | */
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28 | /**
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29 | * Build a partition name from a drive and a partition number.
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30 | * @param drive The drive basename of the partition name (e.g. /dev/hda)
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31 | * @param partno The partition number (e.g. 1)
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32 | * @param partition Where to put the partition name (e.g. /dev/hda1)
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33 | * @return @p partition.
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34 | * @note If @p drive ends in a digit, then 'p' (on Linux) or 's' (on *BSD) is added before @p partno.
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35 | */
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36 | char *build_partition_name(char *partition, const char *drive, int partno)
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37 | {
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38 | char *p, *c;
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39 |
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40 | assert(partition != NULL);
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41 | assert_string_is_neither_NULL_nor_zerolength(drive);
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42 | assert(partno >= 0);
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43 |
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44 | p = strcpy(partition, drive);
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45 | /* is this a devfs device path? */
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46 | c = strrchr(partition, '/');
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47 | if (c && strncmp(c, "/disc", 5) == 0) {
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48 | /* yup it's devfs, return the "part" path */
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49 | strcpy(c + 1, "part");
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50 | p = c + 5;
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51 | } else {
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52 | p += strlen(p);
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53 | if (isdigit(p[-1])) {
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54 | *p++ =
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55 | #ifdef BSD
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56 | 's';
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57 | #else
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58 | 'p';
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59 | #endif
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60 | }
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61 | }
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62 | sprintf(p, "%d", partno);
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63 | return (partition);
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64 | }
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65 |
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66 |
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67 |
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68 |
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69 |
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70 |
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71 |
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72 |
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73 |
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74 |
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75 |
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76 |
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77 |
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78 | /**
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79 | * Pad a string on both sides so it appears centered.
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80 | * @param in_out The string to be center-padded (modified).
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81 | * @param width The width of the final result.
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82 | */
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83 | void center_string(char *in_out, int width)
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84 | {
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85 | char scratch[MAX_STR_LEN];
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86 | char *p;
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87 | int i; /* purpose */
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88 | int len; /* purpose */
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89 | int mid; /* purpose */
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90 | int x; /* purpose */
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91 |
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92 | assert(in_out != NULL);
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93 | assert(width > 2);
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94 |
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95 | if (strlen(in_out) == 0) {
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96 | return;
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97 | }
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98 | for (p = in_out; *p == ' '; p++);
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99 | strcpy(scratch, p);
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100 | len = (int) strlen(scratch);
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101 | mid = width / 2;
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102 | x = mid - len / 2;
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103 | for (i = 0; i < x; i++) {
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104 | in_out[i] = ' ';
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105 | }
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106 | in_out[i] = '\0';
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107 | strcat(in_out, scratch);
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108 | }
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109 |
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110 |
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111 |
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112 |
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113 | inline void turn_wildcard_chars_into_literal_chars(char *sout, char *sin)
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114 | {
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115 | char *p, *q;
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116 |
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117 | for (p = sin, q = sout; *p != '\0'; *(q++) = *(p++)) {
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118 | if (strchr("[]*?", *p)) {
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119 | *(q++) = '\\';
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120 | }
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121 | }
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122 | *q = *p; // for the final '\0'
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123 | }
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124 |
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125 |
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126 |
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127 | /**
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128 | * Add commas every third place in @p input.
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129 | * @param input The string to commarize.
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130 | * @return The string with commas.
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131 | * @note The returned string points to static storage that will be overwritten with each call.
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132 | */
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133 | char *commarize(char *input)
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134 | {
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135 | char pos_w_commas[MAX_STR_LEN];
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136 | static char output[MAX_STR_LEN];
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137 | char tmp[MAX_STR_LEN];
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138 | int j;
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139 |
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140 | assert(input != NULL);
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141 |
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142 | strcpy(tmp, input);
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143 | if (strlen(tmp) > 6) {
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144 | strcpy(pos_w_commas, tmp);
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145 | j = (int) strlen(pos_w_commas);
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146 | tmp[j - 6] = ',';
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147 | strcpy(tmp + j - 5, pos_w_commas + j - 6);
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148 | // tmp[j-2] = ',';
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149 | // strcpy(tmp+j-1, pos_w_commas+j-3);
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150 | strcpy(pos_w_commas, tmp);
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151 | }
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152 | if (strlen(tmp) > 3) {
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153 | j = (int) strlen(tmp);
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154 | strcpy(pos_w_commas, tmp);
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155 | pos_w_commas[j - 3] = ',';
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156 | strcpy(pos_w_commas + j - 2, tmp + j - 3);
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157 | } else {
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158 | strcpy(pos_w_commas, tmp);
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159 | }
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160 | strcpy(output, pos_w_commas);
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161 | return (output);
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162 | }
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163 |
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164 |
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165 |
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166 |
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167 |
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168 |
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169 |
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170 |
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171 |
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172 | /**
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173 | * Turn an entry from the RAID editor's disklist into a GUI-friendly string.
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174 | * The format is: the device left-aligned and padded to 24 places, followed by a space and the
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175 | * index, right-aligned and padded to eight places. The total string length
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176 | * is exactly 33.
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177 | * @param disklist The disklist to operate on.
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178 | * @param lino The line number from @p disklist to convert to a string.
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179 | * @return The string form of the disklist entry.
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180 | * @note The returned string points to static storage and will be overwritten with each call.
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181 | */
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182 | char *disklist_entry_to_string(struct list_of_disks *disklist, int lino)
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183 | {
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184 |
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185 | /*@ buffers ********************************************************** */
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186 | static char output[MAX_STR_LEN];
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187 |
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188 | assert(disklist != NULL);
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189 |
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190 | sprintf(output, "%-24s %8d", disklist->el[lino].device,
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191 | disklist->el[lino].index);
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192 | return (output);
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193 | }
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194 |
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195 |
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196 |
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197 |
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198 |
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199 | /**
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200 | * Turn a "friendly" sizestring into a number of megabytes.
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201 | * Supports the suffixes 'k'/'K', 'm'/'M', and 'g'/'G'. Calls
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202 | * fatal_error() if an unknown suffix is encountered.
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203 | * @param incoming The sizestring to convert (e.g. "40m", "2g").
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204 | * @return The size in megabytes.
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205 | */
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206 | long friendly_sizestr_to_sizelong(char *incoming)
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207 | {
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208 | long outval;
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209 | int i;
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210 | char *tmp;
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211 | char ch;
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212 |
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213 | assert_string_is_neither_NULL_nor_zerolength(incoming);
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214 |
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215 | malloc_string(tmp);
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216 | if (!incoming[0]) {
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217 | free(tmp);
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218 | return (0);
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219 | }
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220 | if (strchr(incoming, '.')) {
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221 | fatal_error("Please use integers only. No decimal points.");
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222 | }
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223 | strcpy(tmp, incoming);
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224 | i = (int) strlen(tmp);
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225 | if (tmp[i - 1] == 'B' || tmp[i - 1] == 'b') {
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226 | tmp[i - 1] = '\0';
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227 | }
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228 | for (i = 0; i < (int) strlen(tmp) && isdigit(tmp[i]); i++);
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229 | ch = tmp[i];
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230 | tmp[i] = '\0';
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231 | outval = atol(tmp);
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232 | if (ch == 'g' || ch == 'G') {
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233 | outval = outval * 1024;
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234 | } else if (ch == 'k' || ch == 'K') {
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235 | outval = outval / 1024;
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236 | } else if (ch == 't' || ch == 'T') // terabyte
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237 | {
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238 | outval *= 1048576;
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239 | } else if (ch == 'Y' || ch == 'y') // yottabyte - the biggest measure in the info file
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240 | {
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241 | log_it
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242 | ("Oh my gosh. You actually think a YOTTABYTE will get you anywhere? What're you going to do with 1,208,925,819,614,629,174,706,176 bytes of data?!?!");
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243 | popup_and_OK
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244 | ("That sizespec is more than 1,208,925,819,614,629,174,706,176 bytes. You have a shocking amount of data. Please send a screenshot to the list :-)");
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245 | fatal_error("Integer overflow.");
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246 | } else if (ch != 'm' && ch != 'M') {
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247 | sprintf(tmp, "Re: parameter '%s' - bad multiplier ('%c')",
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248 | incoming, ch);
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249 | fatal_error(tmp);
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250 | }
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251 | paranoid_free(tmp);
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252 | return (outval);
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253 | }
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254 |
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255 |
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256 |
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257 | /**
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258 | * Add spaces to the right of @p incoming to make it @p width characters wide.
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259 | * @param incoming The string to left-pad.
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260 | * @param width The width to pad it to.
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261 | * @return The left-padded string.
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262 | * @note The returned string points to static storage that will be overwritten with each call.
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263 | * @bug Why does center_string() modify its argument but leftpad_string() returns a modified copy?
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264 | */
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265 | char *leftpad_string(char *incoming, int width)
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266 | {
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267 | /*@ buffers ***************************************************** */
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268 | static char output[MAX_STR_LEN];
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269 |
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270 | /*@ ints ******************************************************** */
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271 | int i;
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272 |
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273 | /*@ end vars **************************************************** */
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274 | assert(incoming != NULL);
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275 | assert(width > 2);
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276 |
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277 | strcpy(output, incoming);
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278 | for (i = (int) strlen(output); i < width; i++) {
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279 | output[i] = ' ';
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280 | }
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281 | output[i] = '\0';
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282 | return (output);
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283 | }
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284 |
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285 |
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286 |
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287 | /**
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288 | * Turn a marker byte (e.g. BLK_START_OF_BACKUP) into a string (e.g. "BLK_START_OF_BACKUP").
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289 | * Unknown markers are identified as "BLK_UNKNOWN (%d)" where %d is the decimal value.
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290 | * @param marker The marker byte to stringify.
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291 | * @return @p marker as a string.
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292 | * @note The returned string points to static storage that will be overwritten with each call.
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293 | */
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294 | char *marker_to_string(int marker)
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295 | {
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296 | /*@ buffer ****************************************************** */
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297 | static char outstr[MAX_STR_LEN];
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298 |
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299 |
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300 | /*@ end vars *************************************************** */
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301 |
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302 | switch (marker) {
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303 | case BLK_START_OF_BACKUP:
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304 | strcpy(outstr, "BLK_START_OF_BACKUP");
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305 | break;
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306 | case BLK_START_OF_TAPE:
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307 | strcpy(outstr, "BLK_START_OF_TAPE");
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308 | break;
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309 | case BLK_START_AN_AFIO_OR_SLICE:
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310 | strcpy(outstr, "BLK_START_AN_AFIO_OR_SLICE");
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311 | break;
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312 | case BLK_STOP_AN_AFIO_OR_SLICE:
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313 | strcpy(outstr, "BLK_STOP_AN_AFIO_OR_SLICE");
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314 | break;
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315 | case BLK_START_AFIOBALLS:
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316 | strcpy(outstr, "BLK_START_AFIOBALLS");
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317 | break;
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318 | case BLK_STOP_AFIOBALLS:
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319 | strcpy(outstr, "BLK_STOP_AFIOBALLS");
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320 | break;
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321 | case BLK_STOP_BIGGIEFILES:
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322 | strcpy(outstr, "BLK_STOP_BIGGIEFILES");
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323 | break;
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324 | case BLK_START_A_NORMBIGGIE:
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325 | strcpy(outstr, "BLK_START_A_NORMBIGGIE");
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326 | break;
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327 | case BLK_START_A_PIHBIGGIE:
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328 | strcpy(outstr, "BLK_START_A_PIHBIGGIE");
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329 | break;
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330 | case BLK_START_EXTENDED_ATTRIBUTES:
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331 | strcpy(outstr, "BLK_START_EXTENDED_ATTRIBUTES");
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332 | break;
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333 | case BLK_STOP_EXTENDED_ATTRIBUTES:
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334 | strcpy(outstr, "BLK_STOP_EXTENDED_ATTRIBUTES");
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335 | break;
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336 | case BLK_START_EXAT_FILE:
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337 | strcpy(outstr, "BLK_START_EXAT_FILE");
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338 | break;
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339 | case BLK_STOP_EXAT_FILE:
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340 | strcpy(outstr, "BLK_STOP_EXAT_FILE");
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341 | break;
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342 | case BLK_START_BIGGIEFILES:
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343 | strcpy(outstr, "BLK_START_BIGGIEFILES");
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344 | break;
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345 | case BLK_STOP_A_BIGGIE:
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346 | strcpy(outstr, "BLK_STOP_A_BIGGIE");
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347 | break;
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348 | case BLK_END_OF_TAPE:
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349 | strcpy(outstr, "BLK_END_OF_TAPE");
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350 | break;
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351 | case BLK_END_OF_BACKUP:
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352 | strcpy(outstr, "BLK_END_OF_BACKUP");
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353 | break;
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354 | case BLK_ABORTED_BACKUP:
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355 | strcpy(outstr, "BLK_ABORTED_BACKUP");
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356 | break;
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357 | case BLK_START_FILE:
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358 | strcpy(outstr, "BLK_START_FILE");
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359 | break;
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360 | case BLK_STOP_FILE:
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361 | strcpy(outstr, "BLK_STOP_FILE");
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362 | break;
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363 | default:
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364 | sprintf(outstr, "BLK_UNKNOWN (%d)", marker);
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365 | break;
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366 | }
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367 | return (outstr);
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368 | }
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369 |
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370 |
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371 |
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372 |
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373 | /**
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374 | * Turn a line from the mountlist into a GUI-friendly string.
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375 | * The format is as follows: the left-aligned @p device field padded to 24 places,
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376 | * a space, the left-aligned @p mountpoint field again padded to 24 places, a space,
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377 | * the left-aligned @p format field padded to 10 places, a space, and the right-aligned
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378 | * @p size field (in MB) padded to 8 places. The total string length is exactly 69.
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379 | * @param mountlist The mountlist to operate on.
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380 | * @param lino The line number in @p mountlist to stringify.
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381 | * @return The string form of <tt>mountlist</tt>-\>el[<tt>lino</tt>].
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382 | * @note The returned string points to static storage and will be overwritten with each call.
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383 | */
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384 | char *mountlist_entry_to_string(struct mountlist_itself *mountlist,
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385 | int lino)
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386 | {
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387 |
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388 | /*@ buffer *********************************************************** */
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389 | static char output[MAX_STR_LEN];
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390 |
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391 | assert(mountlist != NULL);
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392 |
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393 | sprintf(output, "%-24s %-24s %-10s %8lld", mountlist->el[lino].device,
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394 | mountlist->el[lino].mountpoint, mountlist->el[lino].format,
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395 | mountlist->el[lino].size / 1024);
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396 | return (output);
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397 | }
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398 |
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399 |
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400 |
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401 |
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402 |
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403 |
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404 | /**
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405 | * Generate a friendly string containing "X blah blah disk(s)"
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406 | * @param noof_disks The number of disks (the X).
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407 | * @param label The "blah blah" part in the middle. If you leave this blank
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408 | * there will be a weird double space in the middle, so pass *something*.
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409 | * @return The string containing "X blah blah disk(s)".
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410 | * @note The returned string points to static storage and will be overwritten with each call.
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411 | */
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412 | char *number_of_disks_as_string(int noof_disks, char *label)
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413 | {
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414 |
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415 | /*@ buffers ********************************************************* */
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416 | static char output[MAX_STR_LEN];
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417 |
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418 | /*@ char ******************************************************** */
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419 | char p;
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420 |
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421 | assert(label != NULL);
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422 |
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423 | if (noof_disks > 1) {
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424 | p = 's';
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425 | } else {
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426 | p = ' ';
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427 | }
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428 | sprintf(output, "%d %s disk%c", noof_disks, label, p);
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429 | while (strlen(output) < 14) {
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430 | strcat(output, " ");
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431 | }
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432 | return (output);
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433 | }
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434 |
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435 |
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436 |
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437 | /**
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438 | * Change @p i into a friendly string. If @p i is \<= 10 then write out the
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439 | * number (e.g. "one", "two", ..., "nine", "ten", "11", ...).
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440 | * @param i The number to stringify.
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441 | * @return The string form of @p i.
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442 | * @note The returned value points to static strorage that will be overwritten with each call.
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443 | */
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444 | char *number_to_text(int i)
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445 | {
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446 |
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447 | /*@ buffers ***************************************************** */
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448 | static char output[MAX_STR_LEN];
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449 |
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450 |
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451 | /*@ end vars *************************************************** */
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452 |
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453 | switch (i) {
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454 | case 0:
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455 | strcpy(output, "zero");
|
---|
456 | break;
|
---|
457 | case 1:
|
---|
458 | strcpy(output, "one");
|
---|
459 | break;
|
---|
460 | case 2:
|
---|
461 | strcpy(output, "two");
|
---|
462 | break;
|
---|
463 | case 3:
|
---|
464 | strcpy(output, "three");
|
---|
465 | break;
|
---|
466 | case 4:
|
---|
467 | strcpy(output, "four");
|
---|
468 | break;
|
---|
469 | case 5:
|
---|
470 | strcpy(output, "five");
|
---|
471 | break;
|
---|
472 | case 6:
|
---|
473 | strcpy(output, "six");
|
---|
474 | break;
|
---|
475 | case 7:
|
---|
476 | strcpy(output, "seven");
|
---|
477 | break;
|
---|
478 | case 8:
|
---|
479 | strcpy(output, "eight");
|
---|
480 | break;
|
---|
481 | case 9:
|
---|
482 | strcpy(output, "nine");
|
---|
483 | case 10:
|
---|
484 | strcpy(output, "ten");
|
---|
485 | default:
|
---|
486 | sprintf(output, "%d", i);
|
---|
487 | }
|
---|
488 | return (output);
|
---|
489 | }
|
---|
490 |
|
---|
491 |
|
---|
492 |
|
---|
493 |
|
---|
494 | /**
|
---|
495 | * Replace all occurences of @p token with @p value while copying @p ip to @p output.
|
---|
496 | * @param ip The input string containing zero or more <tt>token</tt>s.
|
---|
497 | * @param output The output string written with the <tt>token</tt>s replaced by @p value.
|
---|
498 | * @param token The token to be relaced with @p value.
|
---|
499 | * @param value The value to replace @p token.
|
---|
500 | */
|
---|
501 | void resolve_naff_tokens(char *output, char *ip, char *value, char *token)
|
---|
502 | {
|
---|
503 | /*@ buffers *** */
|
---|
504 | char *input;
|
---|
505 |
|
---|
506 | /*@ pointers * */
|
---|
507 | char *p;
|
---|
508 |
|
---|
509 | input = malloc(2000);
|
---|
510 | assert_string_is_neither_NULL_nor_zerolength(ip);
|
---|
511 | assert_string_is_neither_NULL_nor_zerolength(token);
|
---|
512 | assert(value != NULL);
|
---|
513 |
|
---|
514 | strcpy(output, ip); /* just in case the token doesn't appear in string at all */
|
---|
515 | for (strcpy(input, ip); strstr(input, token); strcpy(input, output)) {
|
---|
516 | strcpy(output, input);
|
---|
517 | p = strstr(output, token);
|
---|
518 | *p = '\0';
|
---|
519 | strcat(output, value);
|
---|
520 | p = strstr(input, token) + strlen(token);
|
---|
521 | strcat(output, p);
|
---|
522 | }
|
---|
523 | paranoid_free(input);
|
---|
524 | }
|
---|
525 |
|
---|
526 |
|
---|
527 |
|
---|
528 |
|
---|
529 |
|
---|
530 | /**
|
---|
531 | * Generate the filename of slice @p sliceno of biggiefile @p bigfileno
|
---|
532 | * in @p path with suffix @p s. The format is as follows: @p path, followed
|
---|
533 | * by "/slice-" and @p bigfileno zero-padded to 7 places, followed by
|
---|
534 | * a dot and @p sliceno zero-padded to 5 places, followed by ".dat" and the
|
---|
535 | * suffix. The string is a minimum of 24 characters long.
|
---|
536 | * @param bigfileno The biggiefile number. Starts from 0.
|
---|
537 | * @param sliceno The slice number of biggiefile @p bigfileno. 0 is a "header"
|
---|
538 | * slice (no suffix) containing the biggiestruct, then are the compressed
|
---|
539 | * slices, then an empty uncompressed "trailer" slice.
|
---|
540 | * @param path The path to append (with a / in the middle) to the slice filename.
|
---|
541 | * @param s If not "" then add a "." and this to the end.
|
---|
542 | * @return The slice filename.
|
---|
543 | * @note The returned value points to static storage and will be overwritten with each call.
|
---|
544 | */
|
---|
545 | char *slice_fname(long bigfileno, long sliceno, char *path, char *s)
|
---|
546 | {
|
---|
547 |
|
---|
548 | /*@ buffers **************************************************** */
|
---|
549 | static char output[MAX_STR_LEN];
|
---|
550 | static char suffix[MAX_STR_LEN];
|
---|
551 |
|
---|
552 | /*@ end vars *************************************************** */
|
---|
553 |
|
---|
554 | assert_string_is_neither_NULL_nor_zerolength(path);
|
---|
555 | if (s[0] != '\0') {
|
---|
556 | sprintf(suffix, ".%s", s);
|
---|
557 | } else {
|
---|
558 | suffix[0] = '\0';
|
---|
559 | }
|
---|
560 | sprintf(output, "%s/slice-%07ld.%05ld.dat%s", path, bigfileno, sliceno,
|
---|
561 | suffix);
|
---|
562 | return (output);
|
---|
563 | }
|
---|
564 |
|
---|
565 |
|
---|
566 | /**
|
---|
567 | * Generate a spinning symbol based on integer @p i.
|
---|
568 | * The symbol rotates through the characters / - \ | to form an ASCII "spinner"
|
---|
569 | * if successively written to the same location on screen.
|
---|
570 | * @param i The amount of progress or whatever else to use to determine the character
|
---|
571 | * for this iteration of the spinner.
|
---|
572 | * @return The character for this iteration.
|
---|
573 | */
|
---|
574 | int special_dot_char(int i)
|
---|
575 | {
|
---|
576 | switch (i % 4) {
|
---|
577 | case 0:
|
---|
578 | return ('/');
|
---|
579 | case 1:
|
---|
580 | return ('-');
|
---|
581 | case 2:
|
---|
582 | return ('\\');
|
---|
583 | case 3:
|
---|
584 | return ('|');
|
---|
585 | default:
|
---|
586 | return ('.');
|
---|
587 | }
|
---|
588 | return ('.');
|
---|
589 | }
|
---|
590 |
|
---|
591 |
|
---|
592 |
|
---|
593 |
|
---|
594 | /**
|
---|
595 | * Wrap @p flaws_str across three lines. The first two are no more than 74 characters wide.
|
---|
596 | * @param flaws_str The original string to split.
|
---|
597 | * @param flaws_str_A Where to put the first 74-or-less characters.
|
---|
598 | * @param flaws_str_B Where to put the second 74-or-less characters.
|
---|
599 | * @param flaws_str_C Where to put the rest.
|
---|
600 | * @param res The result of the original evaluate_mountlist() operation.
|
---|
601 | * @return TRUE if res == 0, FALSE otherwise.
|
---|
602 | */
|
---|
603 | bool
|
---|
604 | spread_flaws_across_three_lines(char *flaws_str, char *flaws_str_A,
|
---|
605 | char *flaws_str_B, char *flaws_str_C,
|
---|
606 | int res)
|
---|
607 | {
|
---|
608 |
|
---|
609 | /*@ int ************************************************************* */
|
---|
610 | int i = 0;
|
---|
611 |
|
---|
612 | /*@ initialize ****************************************************** */
|
---|
613 | assert(flaws_str_A != NULL);
|
---|
614 | assert(flaws_str_B != NULL);
|
---|
615 | assert(flaws_str_C != NULL);
|
---|
616 | assert(flaws_str != NULL);
|
---|
617 |
|
---|
618 | flaws_str_A[0] = flaws_str_B[0] = flaws_str_C[0] = '\0';
|
---|
619 |
|
---|
620 |
|
---|
621 | if (!res && !strlen(flaws_str)) {
|
---|
622 | return (TRUE);
|
---|
623 | }
|
---|
624 | if (strlen(flaws_str) > 0) {
|
---|
625 | sprintf(flaws_str_A, "%s", flaws_str + 1);
|
---|
626 | }
|
---|
627 | if (strlen(flaws_str_A) >= 74) {
|
---|
628 | for (i = 74; flaws_str_A[i] != ' '; i--);
|
---|
629 | strcpy(flaws_str_B, flaws_str_A + i + 1);
|
---|
630 | flaws_str_A[i] = '\0';
|
---|
631 | }
|
---|
632 | if (strlen(flaws_str_B) >= 74) {
|
---|
633 | for (i = 74; flaws_str_B[i] != ' '; i--);
|
---|
634 | strcpy(flaws_str_C, flaws_str_B + i + 1);
|
---|
635 | flaws_str_B[i] = '\0';
|
---|
636 | }
|
---|
637 | if (res) {
|
---|
638 | return (FALSE);
|
---|
639 | } else {
|
---|
640 | return (TRUE);
|
---|
641 | }
|
---|
642 | }
|
---|
643 |
|
---|
644 |
|
---|
645 |
|
---|
646 | /**
|
---|
647 | * Compare @p stringA and @p stringB. This uses an ASCII sort for everything
|
---|
648 | * up to the digits on the end but a numerical sort for the digits on the end.
|
---|
649 | * @param stringA The first string to compare.
|
---|
650 | * @param stringB The second string to compare.
|
---|
651 | * @return The same as strcmp() - <0 if A<B, 0 if A=B, >0 if A>B.
|
---|
652 | * @note This function only does a numerical sort on the @e last set of numbers. If
|
---|
653 | * there are any in the middle those will be sorted ASCIIbetically.
|
---|
654 | */
|
---|
655 | int strcmp_inc_numbers(char *stringA, char *stringB)
|
---|
656 | {
|
---|
657 | /*@ int ********************************************************* */
|
---|
658 | int i;
|
---|
659 | int start_of_numbers_in_A;
|
---|
660 | int start_of_numbers_in_B;
|
---|
661 | int res;
|
---|
662 |
|
---|
663 | /*@ long ******************************************************* */
|
---|
664 | long numA;
|
---|
665 | long numB;
|
---|
666 |
|
---|
667 | /*@ end vars *************************************************** */
|
---|
668 | assert(stringA != NULL);
|
---|
669 | assert(stringB != NULL);
|
---|
670 |
|
---|
671 | if (strlen(stringA) == strlen(stringB)) {
|
---|
672 | return (strcmp(stringA, stringB));
|
---|
673 | }
|
---|
674 | for (i = (int) strlen(stringA); i > 0 && isdigit(stringA[i - 1]); i--);
|
---|
675 | if (i == (int) strlen(stringA)) {
|
---|
676 | return (strcmp(stringA, stringB));
|
---|
677 | }
|
---|
678 | start_of_numbers_in_A = i;
|
---|
679 | for (i = (int) strlen(stringB); i > 0 && isdigit(stringB[i - 1]); i--);
|
---|
680 | if (i == (int) strlen(stringB)) {
|
---|
681 | return (strcmp(stringA, stringB));
|
---|
682 | }
|
---|
683 | start_of_numbers_in_B = i;
|
---|
684 | if (start_of_numbers_in_A != start_of_numbers_in_B) {
|
---|
685 | return (strcmp(stringA, stringB));
|
---|
686 | }
|
---|
687 | res = strncmp(stringA, stringB, (size_t) i);
|
---|
688 | if (res) {
|
---|
689 | return (res);
|
---|
690 | }
|
---|
691 | numA = atol(stringA + start_of_numbers_in_A);
|
---|
692 | numB = atol(stringB + start_of_numbers_in_B);
|
---|
693 | /*
|
---|
694 | sprintf(tmp,"Comparing %s and %s --> %ld,%ld\n",stringA,stringB,numA,numB);
|
---|
695 | log_to_screen(tmp);
|
---|
696 | */
|
---|
697 | return ((int) (numA - numB));
|
---|
698 | }
|
---|
699 |
|
---|
700 |
|
---|
701 |
|
---|
702 | /**
|
---|
703 | * Strip excess baggage from @p input, which should be a line from afio.
|
---|
704 | * For now this copies the whole line unless it finds a set of quotes, in which case
|
---|
705 | * it copies their contents only.
|
---|
706 | * @param input The input line (presumably from afio).
|
---|
707 | * @return The stripped line.
|
---|
708 | * @note The returned string points to static storage that will be overwritten with each call.
|
---|
709 | */
|
---|
710 | char *strip_afio_output_line(char *input)
|
---|
711 | {
|
---|
712 | /*@ buffer ****************************************************** */
|
---|
713 | static char output[MAX_STR_LEN];
|
---|
714 |
|
---|
715 | /*@ pointers **************************************************** */
|
---|
716 | char *p;
|
---|
717 | char *q;
|
---|
718 | /*@ end vars *************************************************** */
|
---|
719 |
|
---|
720 | assert(input != NULL);
|
---|
721 | strcpy(output, input);
|
---|
722 | p = strchr(input, '\"');
|
---|
723 | if (p) {
|
---|
724 | q = strchr(++p, '\"');
|
---|
725 | if (q) {
|
---|
726 | strcpy(output, p);
|
---|
727 | *(strchr(output, '\"')) = '\0';
|
---|
728 | }
|
---|
729 | }
|
---|
730 | return (output);
|
---|
731 | }
|
---|
732 |
|
---|
733 |
|
---|
734 |
|
---|
735 | /**
|
---|
736 | * Remove all characters whose ASCII value is less than or equal to 32
|
---|
737 | * (spaces and control characters) from both sides of @p in_out.
|
---|
738 | * @param in_out The string to strip spaces/control characters from (modified).
|
---|
739 | */
|
---|
740 | void strip_spaces(char *in_out)
|
---|
741 | {
|
---|
742 | /*@ buffers ***************************************************** */
|
---|
743 | char *tmp;
|
---|
744 |
|
---|
745 | /*@ pointers **************************************************** */
|
---|
746 | char *p;
|
---|
747 |
|
---|
748 | /*@ int ******************************************************** */
|
---|
749 | int i;
|
---|
750 | int original_incoming_length;
|
---|
751 |
|
---|
752 | /*@ end vars *************************************************** */
|
---|
753 |
|
---|
754 | assert(in_out != NULL);
|
---|
755 | malloc_string(tmp);
|
---|
756 | original_incoming_length = (int) strlen(in_out);
|
---|
757 | for (i = 0; in_out[i] <= ' ' && i < (int) strlen(in_out); i++);
|
---|
758 | strcpy(tmp, in_out + i);
|
---|
759 | for (i = (int) strlen(tmp); i > 0 && tmp[i - 1] <= 32; i--);
|
---|
760 | tmp[i] = '\0';
|
---|
761 | for (i = 0; i < original_incoming_length && MAX_STR_LEN; i++) {
|
---|
762 | in_out[i] = ' ';
|
---|
763 | }
|
---|
764 | in_out[i] = '\0';
|
---|
765 | i = 0;
|
---|
766 | p = tmp;
|
---|
767 | while (*p != '\0') {
|
---|
768 | in_out[i] = *(p++);
|
---|
769 | in_out[i + 1] = '\0';
|
---|
770 | if (in_out[i] < 32 && i > 0) {
|
---|
771 | if (in_out[i] == 8) {
|
---|
772 | i--;
|
---|
773 | } else if (in_out[i] == 9) {
|
---|
774 | in_out[i++] = ' ';
|
---|
775 | } else if (in_out[i] == '\r') // added 1st October 2003 -- FIXME
|
---|
776 | {
|
---|
777 | strcpy(tmp, in_out + i);
|
---|
778 | strcpy(in_out, tmp);
|
---|
779 | i = -1;
|
---|
780 | continue;
|
---|
781 | } else if (in_out[i] == '\t') {
|
---|
782 | for (i++; i % 5; i++);
|
---|
783 | } else if (in_out[i] >= 10 && in_out[i] <= 13) {
|
---|
784 | break;
|
---|
785 | } else {
|
---|
786 | i--;
|
---|
787 | }
|
---|
788 | } else {
|
---|
789 | i++;
|
---|
790 | }
|
---|
791 | }
|
---|
792 | in_out[i] = '\0';
|
---|
793 | paranoid_free(tmp);
|
---|
794 | /* for(i=strlen(in_out); i>0 && in_out[i-1]<=32; i--) {in_out[i-1]='\0';} */
|
---|
795 | }
|
---|
796 |
|
---|
797 |
|
---|
798 | /**
|
---|
799 | * If there are double quotes "" around @p incoming then remove them.
|
---|
800 | * This does not affect other quotes that may be embedded within the string.
|
---|
801 | * @param incoming The string to trim quotes from (modified).
|
---|
802 | * @return @p incoming.
|
---|
803 | */
|
---|
804 | char *trim_empty_quotes(char *incoming)
|
---|
805 | {
|
---|
806 | /*@ buffer ****************************************************** */
|
---|
807 | static char outgoing[MAX_STR_LEN];
|
---|
808 |
|
---|
809 | /*@ end vars *************************************************** */
|
---|
810 | assert(incoming != NULL);
|
---|
811 |
|
---|
812 | if (incoming[0] == '\"' && incoming[strlen(incoming) - 1] == '\"') {
|
---|
813 | strcpy(outgoing, incoming + 1);
|
---|
814 | outgoing[strlen(outgoing) - 1] = '\0';
|
---|
815 | } else {
|
---|
816 | strcpy(outgoing, incoming);
|
---|
817 | }
|
---|
818 | return (outgoing);
|
---|
819 | }
|
---|
820 |
|
---|
821 |
|
---|
822 |
|
---|
823 |
|
---|
824 | /**
|
---|
825 | * Remove any partition info from @p partition, leaving just the drive name.
|
---|
826 | * @param partition The partition name soon-to-become drive name. (modified)
|
---|
827 | * @return @p partition.
|
---|
828 | */
|
---|
829 | char *truncate_to_drive_name(char *partition)
|
---|
830 | {
|
---|
831 | int i = strlen(partition) - 1;
|
---|
832 | char *c;
|
---|
833 |
|
---|
834 | #ifdef __FreeBSD__
|
---|
835 |
|
---|
836 | if (islower(partition[i])) // BSD subpartition
|
---|
837 | i--;
|
---|
838 | if (partition[i - 1] == 's') {
|
---|
839 | while (isdigit(partition[i]))
|
---|
840 | i--;
|
---|
841 | i--;
|
---|
842 | }
|
---|
843 | partition[i + 1] = '\0';
|
---|
844 |
|
---|
845 | #else
|
---|
846 |
|
---|
847 | assert_string_is_neither_NULL_nor_zerolength(partition);
|
---|
848 | /* first see if it's a devfs style device */
|
---|
849 | c = strrchr(partition, '/');
|
---|
850 | if (c && strncmp(c, "/part", 5) == 0) {
|
---|
851 | /* yup it's devfs, return the "disc" path */
|
---|
852 | strcpy(c + 1, "disc");
|
---|
853 | return partition;
|
---|
854 | }
|
---|
855 |
|
---|
856 | for (i = strlen(partition); isdigit(partition[i - 1]); i--)
|
---|
857 | continue;
|
---|
858 | if (partition[i - 1] == 'p' && isdigit(partition[i - 2])) {
|
---|
859 | i--;
|
---|
860 | }
|
---|
861 | partition[i] = '\0';
|
---|
862 |
|
---|
863 | #endif
|
---|
864 |
|
---|
865 | return partition;
|
---|
866 | }
|
---|
867 |
|
---|
868 |
|
---|
869 |
|
---|
870 |
|
---|
871 |
|
---|
872 | /**
|
---|
873 | * Turn a RAID level number (-1 to 5) into a friendly string. The string
|
---|
874 | * is either "Linear RAID" for -1, or " RAID %-2d " (%d = @p raid_level)
|
---|
875 | * for anything else.
|
---|
876 | * @param raid_level The RAID level to stringify.
|
---|
877 | * @return The string form of @p raid_level.
|
---|
878 | * @note The returned value points to static storage that will be overwritten with each call.
|
---|
879 | */
|
---|
880 | char *turn_raid_level_number_to_string(int raid_level)
|
---|
881 | {
|
---|
882 |
|
---|
883 | /*@ buffer ********************************************************** */
|
---|
884 | static char output[MAX_STR_LEN];
|
---|
885 |
|
---|
886 |
|
---|
887 |
|
---|
888 | if (raid_level >= 0) {
|
---|
889 | sprintf(output, " RAID %-2d ", raid_level);
|
---|
890 | } else {
|
---|
891 | sprintf(output, "Linear RAID");
|
---|
892 | }
|
---|
893 | return (output);
|
---|
894 | }
|
---|
895 |
|
---|
896 |
|
---|
897 |
|
---|
898 |
|
---|
899 |
|
---|
900 |
|
---|
901 |
|
---|
902 |
|
---|
903 |
|
---|
904 | /**
|
---|
905 | * Determine the severity (1-3, 1 being low) of the fact that
|
---|
906 | * @p fn changed in the live filesystem (verify/compare).
|
---|
907 | * @param fn The filename that changed.
|
---|
908 | * @param out_reason If non-NULL, a descriptive reason for the difference will be copied here.
|
---|
909 | * @return The severity (1-3).
|
---|
910 | */
|
---|
911 | int severity_of_difference(char *fn, char *out_reason)
|
---|
912 | {
|
---|
913 | int sev;
|
---|
914 | char *reason;
|
---|
915 | char *filename;
|
---|
916 |
|
---|
917 | malloc_string(reason);
|
---|
918 | malloc_string(filename);
|
---|
919 | // out_reason might be null on purpose, so don't bomb if it is :) OK?
|
---|
920 | assert_string_is_neither_NULL_nor_zerolength(fn);
|
---|
921 | if (!strncmp(fn, MNT_RESTORING, strlen(MNT_RESTORING))) {
|
---|
922 | strcpy(filename, fn + strlen(MNT_RESTORING));
|
---|
923 | } else if (fn[0] != '/') {
|
---|
924 | sprintf(filename, "/%s", fn);
|
---|
925 | } else {
|
---|
926 | strcpy(filename, fn);
|
---|
927 | }
|
---|
928 |
|
---|
929 | sev = 3;
|
---|
930 | sprintf(reason,
|
---|
931 | "Changed since backup. Consider running a differential backup in a day or two.");
|
---|
932 | if (!strncmp(filename, "/var/", 5)) {
|
---|
933 | sev = 2;
|
---|
934 | sprintf(reason,
|
---|
935 | "/var's contents will change regularly, inevitably.");
|
---|
936 | }
|
---|
937 | if (!strncmp(filename, "/home", 5)) {
|
---|
938 | sev = 2;
|
---|
939 | sprintf(reason,
|
---|
940 | "It's in your /home partiton. Therefore, it is important.");
|
---|
941 | }
|
---|
942 | if (!strncmp(filename, "/usr/", 5)) {
|
---|
943 | sev = 3;
|
---|
944 | sprintf(reason,
|
---|
945 | "You may have installed/removed software during the backup.");
|
---|
946 | }
|
---|
947 | if (!strncmp(filename, "/etc/", 5)) {
|
---|
948 | sev = 3;
|
---|
949 | sprintf(reason,
|
---|
950 | "Do not edit config files while backing up your PC.");
|
---|
951 | }
|
---|
952 | if (!strcmp(filename, "/etc/adjtime")
|
---|
953 | || !strcmp(filename, "/etc/mtab")) {
|
---|
954 | sev = 1;
|
---|
955 | sprintf(reason, "This file changes all the time. It's OK.");
|
---|
956 | }
|
---|
957 | if (!strncmp(filename, "/root/", 6)) {
|
---|
958 | sev = 3;
|
---|
959 | sprintf(reason, "Were you compiling/editing something in /root?");
|
---|
960 | }
|
---|
961 | if (!strncmp(filename, "/root/.", 7)) {
|
---|
962 | sev = 2;
|
---|
963 | sprintf(reason, "Temp or 'dot' files changed in /root.");
|
---|
964 | }
|
---|
965 | if (!strncmp(filename, "/var/lib/", 9)) {
|
---|
966 | sev = 2;
|
---|
967 | sprintf(reason, "Did you add/remove software during backing?");
|
---|
968 | }
|
---|
969 | if (!strncmp(filename, "/var/lib/rpm", 12)) {
|
---|
970 | sev = 3;
|
---|
971 | sprintf(reason, "Did you add/remove software during backing?");
|
---|
972 | }
|
---|
973 | if (!strncmp(filename, "/var/lib/slocate", 16)) {
|
---|
974 | sev = 1;
|
---|
975 | sprintf(reason,
|
---|
976 | "The 'update' daemon ran during backup. This does not affect the integrity of your backup.");
|
---|
977 | }
|
---|
978 | if (!strncmp(filename, "/var/log/", 9)
|
---|
979 | || strstr(filename, "/.xsession")
|
---|
980 | || !strcmp(filename + strlen(filename) - 4, ".log")) {
|
---|
981 | sev = 1;
|
---|
982 | sprintf(reason,
|
---|
983 | "Log files change frequently as the computer runs. Fret not.");
|
---|
984 | }
|
---|
985 | if (!strncmp(filename, "/var/spool", 10)) {
|
---|
986 | sev = 1;
|
---|
987 | sprintf(reason,
|
---|
988 | "Background processes or printers were active. This does not affect the integrity of your backup.");
|
---|
989 | }
|
---|
990 | if (!strncmp(filename, "/var/spool/mail", 10)) {
|
---|
991 | sev = 2;
|
---|
992 | sprintf(reason, "Mail was sent/received during backup.");
|
---|
993 | }
|
---|
994 | if (filename[strlen(filename) - 1] == '~') {
|
---|
995 | sev = 1;
|
---|
996 | sprintf(reason,
|
---|
997 | "Backup copy of another file which was modified recently.");
|
---|
998 | }
|
---|
999 | if (strstr(filename, "cache")) {
|
---|
1000 | sev = 1;
|
---|
1001 | sprintf(reason,
|
---|
1002 | "Part of a cache of data. Caches change from time to time. Don't worry.");
|
---|
1003 | }
|
---|
1004 | if (!strncmp(filename, "/var/run/", 9)
|
---|
1005 | || !strncmp(filename, "/var/lock", 8)
|
---|
1006 | || strstr(filename, "/.DCOPserver") || strstr(filename, "/.MCOP")
|
---|
1007 | || strstr(filename, "/.Xauthority")) {
|
---|
1008 | sev = 1;
|
---|
1009 | sprintf(reason,
|
---|
1010 | "Temporary file (a lockfile, perhaps) used by software such as X or KDE to register its presence.");
|
---|
1011 | }
|
---|
1012 | if (out_reason) {
|
---|
1013 | strcpy(out_reason, reason);
|
---|
1014 | }
|
---|
1015 | paranoid_free(filename);
|
---|
1016 | paranoid_free(reason);
|
---|
1017 | return (sev);
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 |
|
---|
1021 |
|
---|
1022 | /**
|
---|
1023 | * Compare the filenames in two filelist entries (s_filelist_entry*) casted
|
---|
1024 | * to void*.
|
---|
1025 | * @param va The first filelist entry, cast as a @c void pointer.
|
---|
1026 | * @param vb The second filelist entry, cast as a @c void pointer.
|
---|
1027 | * @return The return value of strcmp().
|
---|
1028 | */
|
---|
1029 | int compare_two_filelist_entries(void *va, void *vb)
|
---|
1030 | {
|
---|
1031 | static int res;
|
---|
1032 | struct s_filelist_entry *fa, *fb;
|
---|
1033 |
|
---|
1034 | assert(va != NULL);
|
---|
1035 | assert(vb != NULL);
|
---|
1036 | fa = (struct s_filelist_entry *) va;
|
---|
1037 | fb = (struct s_filelist_entry *) vb;
|
---|
1038 | res = strcmp(fa->filename, fb->filename);
|
---|
1039 | return (res);
|
---|
1040 | }
|
---|
1041 |
|
---|
1042 |
|
---|
1043 |
|
---|
1044 |
|
---|
1045 |
|
---|
1046 |
|
---|
1047 |
|
---|
1048 | /**
|
---|
1049 | * Generate a line intended to be passed to update_evalcall_form(), indicating
|
---|
1050 | * the current media fill percentage (or number of kilobytes if size is not known).
|
---|
1051 | * @param bkpinfo The backup media structure. Fields used:
|
---|
1052 | * - @c bkpinfo->backup_media_type
|
---|
1053 | * - @c bkpinfo->media_size
|
---|
1054 | * - @c bkpinfo->scratchdir
|
---|
1055 | * @return The string indicating media fill.
|
---|
1056 | * @note The returned string points to static storage that will be overwritten with each call.
|
---|
1057 | */
|
---|
1058 | char *percent_media_full_comment(struct s_bkpinfo *bkpinfo)
|
---|
1059 | {
|
---|
1060 | /*@ int *********************************************** */
|
---|
1061 | int percentage;
|
---|
1062 | int j;
|
---|
1063 |
|
---|
1064 | /*@ buffers ******************************************* */
|
---|
1065 | static char outstr[MAX_STR_LEN];
|
---|
1066 | char *pos_w_commas, *tmp;
|
---|
1067 |
|
---|
1068 | assert(bkpinfo != NULL);
|
---|
1069 | malloc_string(pos_w_commas);
|
---|
1070 | malloc_string(tmp);
|
---|
1071 | sprintf(tmp, "%lld", g_tape_posK);
|
---|
1072 | strcpy(pos_w_commas, commarize(tmp));
|
---|
1073 |
|
---|
1074 |
|
---|
1075 |
|
---|
1076 | if (bkpinfo->media_size[g_current_media_number] <= 0)
|
---|
1077 | // { fatal_error( "percentage_media_full_comment() - unknown media size"); }
|
---|
1078 | {
|
---|
1079 | sprintf(outstr, "Volume %d: %s kilobytes archived so far",
|
---|
1080 | g_current_media_number, pos_w_commas);
|
---|
1081 | return (outstr);
|
---|
1082 | }
|
---|
1083 |
|
---|
1084 | /* update screen */
|
---|
1085 | if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
|
---|
1086 | percentage =
|
---|
1087 | (int) (g_tape_posK / 10 /
|
---|
1088 | bkpinfo->media_size[g_current_media_number]);
|
---|
1089 | if (percentage > 100) {
|
---|
1090 | percentage = 100;
|
---|
1091 | }
|
---|
1092 | sprintf(outstr, "Volume %d: [", g_current_media_number);
|
---|
1093 | } else {
|
---|
1094 | percentage =
|
---|
1095 | (int) (space_occupied_by_cd(bkpinfo->scratchdir) * 100 / 1024 /
|
---|
1096 | bkpinfo->media_size[g_current_media_number]);
|
---|
1097 | sprintf(outstr, "%s %d: [",
|
---|
1098 | media_descriptor_string(bkpinfo->backup_media_type),
|
---|
1099 | g_current_media_number);
|
---|
1100 | }
|
---|
1101 | for (j = 0; j < percentage; j += 5) {
|
---|
1102 | strcat(outstr, "*");
|
---|
1103 | }
|
---|
1104 | for (; j < 100; j += 5) {
|
---|
1105 | strcat(outstr, ".");
|
---|
1106 | }
|
---|
1107 | j = (int) strlen(outstr);
|
---|
1108 | sprintf(outstr + j, "] %d%% used", percentage);
|
---|
1109 | paranoid_free(pos_w_commas);
|
---|
1110 | paranoid_free(tmp);
|
---|
1111 | return (outstr);
|
---|
1112 | }
|
---|
1113 |
|
---|
1114 | /**
|
---|
1115 | * Get a string form of @p type_of_bkp.
|
---|
1116 | * @param type_of_bkp The backup type to stringify.
|
---|
1117 | * @return The stringification of @p type_of_bkp.
|
---|
1118 | * @note The returned string points to static storage that will be overwritten with each call.
|
---|
1119 | */
|
---|
1120 | char *media_descriptor_string(t_bkptype type_of_bkp)
|
---|
1121 | {
|
---|
1122 | static char *type_of_backup = NULL;
|
---|
1123 |
|
---|
1124 | if (!type_of_backup) {
|
---|
1125 | malloc_string(type_of_backup);
|
---|
1126 | }
|
---|
1127 |
|
---|
1128 | switch (type_of_bkp) {
|
---|
1129 | case dvd:
|
---|
1130 | strcpy(type_of_backup, "DVD");
|
---|
1131 | break;
|
---|
1132 | case cdr:
|
---|
1133 | strcpy(type_of_backup, "CDR");
|
---|
1134 | break;
|
---|
1135 | case cdrw:
|
---|
1136 | strcpy(type_of_backup, "CDRW");
|
---|
1137 | break;
|
---|
1138 | case tape:
|
---|
1139 | strcpy(type_of_backup, "tape");
|
---|
1140 | break;
|
---|
1141 | case cdstream:
|
---|
1142 | strcpy(type_of_backup, "CDR");
|
---|
1143 | break;
|
---|
1144 | case udev:
|
---|
1145 | strcpy(type_of_backup, "udev");
|
---|
1146 | break;
|
---|
1147 | case iso:
|
---|
1148 | strcpy(type_of_backup, "ISO");
|
---|
1149 | break;
|
---|
1150 | case nfs:
|
---|
1151 | strcpy(type_of_backup, "nfs");
|
---|
1152 | break;
|
---|
1153 | default:
|
---|
1154 | strcpy(type_of_backup, "ISO");
|
---|
1155 | }
|
---|
1156 | return (type_of_backup);
|
---|
1157 | }
|
---|
1158 |
|
---|
1159 |
|
---|
1160 | /* New functions safe from a memory manageemnt point of view */
|
---|
1161 | /* Developped by Andree Leidenfrost */
|
---|
1162 |
|
---|
1163 | char *mr_strtok(char *instr, const char *delims, int *lastpos) {
|
---|
1164 |
|
---|
1165 | char *token = NULL;
|
---|
1166 | char *strptr = NULL;
|
---|
1167 | size_t pos1 = 0;
|
---|
1168 | size_t pos2 = 0;
|
---|
1169 |
|
---|
1170 | if (strlen(instr) <= *lastpos) {
|
---|
1171 | *lastpos = 0;
|
---|
1172 | return token;
|
---|
1173 | }
|
---|
1174 |
|
---|
1175 | strptr = instr + *lastpos;
|
---|
1176 | pos2 = strspn(strptr, delims);
|
---|
1177 | strptr += pos2;
|
---|
1178 | pos1 = strcspn(strptr, delims);
|
---|
1179 | token = malloc(sizeof(*token)*(pos1+1));
|
---|
1180 | strncpy(token, strptr, pos1);
|
---|
1181 | *lastpos = *lastpos + pos1 + pos2 + 1;
|
---|
1182 |
|
---|
1183 | return token;
|
---|
1184 | }
|
---|
1185 | /* @} - end of stringGroup */
|
---|