1 | /* $Id: libmondo-mountlist.c 280 2006-01-04 09:24:23Z andree $
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2 | subroutines for handling mountlist
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3 | */
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4 |
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5 | /**
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6 | * @file
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7 | * Functions which manipulate the mountlist.
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8 | */
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9 |
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10 | #include "my-stuff.h"
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11 | #include "mondostructures.h"
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12 | #include "libmondo-mountlist.h"
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13 | #include "lib-common-externs.h"
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14 | #include "libmondo-raid-EXT.h"
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15 | #include "libmondo-devices-EXT.h"
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16 | #include "libmondo-tools-EXT.h"
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17 | #include "libmondo-string-EXT.h"
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18 | #include "libmondo-gui-EXT.h"
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19 |
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20 | /*@unused@*/
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21 | //static char cvsid[] = "$Id: libmondo-mountlist.c 280 2006-01-04 09:24:23Z andree $";
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22 |
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23 | /**
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24 | * A global copy of @c bkpinfo, to aid in debugging. As the name implies, <em>don't use this</em>.
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25 | * @ingroup globalGroup
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26 | */
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27 | struct s_bkpinfo *g_bkpinfo_DONTUSETHIS = NULL;
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28 |
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29 | /**
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30 | * @addtogroup mountlistGroup
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31 | * @{
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32 | */
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33 | /**
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34 | * Evaluate a drive within the mountlist for flaws. For example, too many
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35 | * primary partitions, the first logical isn't 5, duplicate partitions,
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36 | * ovar-allocated or under-allocated, unsupported format, silly size, or
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37 | * silly mountpoint. Under FreeBSD, this checks the disklabel too, for the above-mentioned
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38 | * errors as well as too many BSD partitions (more than 'h').
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39 | * @param mountlist The mountlist to check.
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40 | * @param drive The drive to check (e.g. @c /dev/hda).
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41 | * @param flaws_str Where to put the found flaws (human-readable).
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42 | * @return The number of flaws found (0 for success).
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43 | * @see evaluate_mountlist
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44 | */
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45 | int evaluate_drive_within_mountlist(struct mountlist_itself *mountlist,
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46 | char *drive, char *flaws_str)
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47 | #ifdef __FreeBSD__
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48 | {
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49 | // FreeBSD-specific version of evaluate_drive_within_mountlist()
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50 | /*@ int ************************************************************* */
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51 | int prev_part_no = 0;
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52 | int curr_part_no = 0;
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53 | int pos = 0, npos = 0;
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54 | int res = 0;
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55 | int mountpoint_copies = 0;
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56 | int device_copies = 0;
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57 | int i = 0;
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58 | int cur_sp_no = 0;
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59 | int prev_sp_no = 0;
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60 | int foundsome = FALSE;
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61 |
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62 | /*@ buffers ******************************************************** */
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63 | char *tmp;
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64 | char *device;
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65 | // BERLIOS : useless ? char *mountpoint;
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66 |
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67 | /*@ long *********************************************************** */
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68 | long physical_drive_size = 0;
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69 | long amount_allocated = 0;
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70 |
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71 | /*@ pointers ******************************************************* */
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72 | char *part_table_fmt;
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73 |
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74 | /*@ initialize ***************************************************** */
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75 | flaws_str[0] = '\0';
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76 | prev_part_no = 0;
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77 | // BERLIOS: tmp[0] = '\0';
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78 |
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79 |
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80 | physical_drive_size = get_phys_size_of_drive(drive);
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81 |
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82 | if (physical_drive_size < 0) {
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83 | asprintf(&tmp, " %s does not exist.", drive);
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84 | strcat(flaws_str, tmp);
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85 | } else {
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86 | asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
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87 | }
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88 | log_it(tmp);
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89 | paranoid_free(tmp);
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90 |
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91 |
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92 | /* check DD */
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93 | for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
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94 | asprintf(&device, "%s%c", drive, cur_sp_no);
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95 | if (find_device_in_mountlist(mountlist, device) >= 0)
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96 | foundsome = TRUE;
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97 | paranoid_free(device);
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98 | }
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99 | if (foundsome) {
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100 | for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
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101 | asprintf(&device, "%s%c", drive, cur_sp_no);
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102 | pos = find_device_in_mountlist(mountlist, device);
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103 | if (pos < 0) {
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104 | continue;
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105 | }
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106 | // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
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107 | /* is it too big? */
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108 | if (curr_part_no > 'h') {
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109 | asprintf(&tmp, " Can only have up to 'h' in disklabel.");
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110 | log_it(tmp);
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111 | strcat(flaws_str, tmp);
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112 | paranoid_free(tmp);
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113 | res++;
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114 | }
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115 | /* does partition /dev/adXsYZ exist more than once in the mountlist? */
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116 | for (i = 0, mountpoint_copies = 0, device_copies = 0;
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117 | i < mountlist->entries; i++) {
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118 | if (!strcmp(device, mountlist->el[i].device)) {
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119 | device_copies++;
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120 | }
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121 | }
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122 | if (device_copies > 1) {
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123 | asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
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124 | device);
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125 | if (!strstr(flaws_str, tmp)) {
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126 | log_it(tmp);
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127 | strcat(flaws_str, tmp);
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128 | res++;
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129 | }
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130 | paranoid_free(tmp);
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131 | }
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132 | /* silly partition size? */
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133 | if (mountlist->el[pos].size < 8192
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134 | && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
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135 | asprintf(&tmp, " %s is tiny!", device);
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136 | log_it(tmp);
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137 | strcat(flaws_str, tmp);
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138 | paranoid_free(tmp);
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139 | res++;
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140 | }
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141 | /* mountpoint should begin with / unless it is swap, lvm or raid */
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142 | if (strcmp(mountlist->el[pos].mountpoint, "swap")
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143 | && strcmp(mountlist->el[pos].mountpoint, "lvm")
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144 | && strcmp(mountlist->el[pos].mountpoint, "raid")
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145 | && strcmp(mountlist->el[pos].mountpoint, "image")
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146 | && strcmp(mountlist->el[pos].mountpoint, "none")
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147 | && mountlist->el[pos].mountpoint[0] != '/') {
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148 | asprintf(&tmp, " %s has a weird mountpoint.", device);
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149 | log_it(tmp);
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150 | strcat(flaws_str, tmp);
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151 | paranoid_free(tmp);
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152 | res++;
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153 | }
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154 | /* is format sensible? */
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155 | if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
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156 | asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
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157 | log_it(tmp);
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158 | strcat(flaws_str, tmp);
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159 | paranoid_free(tmp);
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160 | res++;
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161 | }
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162 | amount_allocated += mountlist->el[pos].size / 1024;
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163 | prev_sp_no = cur_sp_no;
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164 |
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165 | paranoid_free(device);
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166 | }
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167 | }
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168 |
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169 | npos = pos = 0;
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170 | for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
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171 | asprintf(&device, "%ss%d", drive, curr_part_no);
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172 | pos = find_device_in_mountlist(mountlist, device);
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173 | npos = 0;
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174 | for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
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175 | sprintf(device, "%ss%i%c", device, curr_part_no, cur_sp_no);
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176 | if (find_device_in_mountlist(mountlist, device) >= 0)
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177 | npos++;
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178 | }
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179 | paranoid_free(device);
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180 |
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181 | if (((pos >= 0) || npos) && foundsome) {
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182 | sprintf(flaws_str + strlen(flaws_str),
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183 | " %s has both DD and PC-style partitions.", drive);
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184 | return ++res; // fatal error
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185 | }
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186 | // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
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187 | if (pos > 0 && !npos) {
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188 | asprintf(&device, "%ss%d", drive, curr_part_no);
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189 | /* gap in the partition list? */
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190 | if (curr_part_no - prev_part_no > 1) {
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191 | if (prev_part_no == 0) {
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192 | asprintf(&tmp, " Gap prior to %s.", device);
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193 | log_it(tmp);
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194 | strcat(flaws_str, tmp);
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195 | paranoid_free(tmp);
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196 | res++;
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197 | } else if (curr_part_no > 5
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198 | || (curr_part_no <= 4 && prev_part_no > 0)) {
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199 | asprintf(&tmp, " Gap between %ss%d and %d.", drive,
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200 | prev_part_no, curr_part_no);
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201 | log_it(tmp);
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202 | strcat(flaws_str, tmp);
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203 | paranoid_free(tmp);
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204 | res++;
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205 | }
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206 | }
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207 | /* GPT allows more than 4 primary partitions */
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208 | part_table_fmt = which_partition_format(drive);
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209 | /* no spare primary partitions to help accommodate the logical(s)? */
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210 | if ((curr_part_no >= 5 && prev_part_no == 4)
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211 | && (strcmp(part_table_fmt, "MBR") == 0)) {
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212 | asprintf(&tmp, " Partition %ss4 is occupied.", drive);
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213 | log_it(tmp);
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214 | strcat(flaws_str, tmp);
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215 | paranoid_free(tmp);
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216 | res++;
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217 | }
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218 | /* does partition /dev/adXsY exist more than once in the mountlist? */
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219 | for (i = 0, mountpoint_copies = 0, device_copies = 0;
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220 | i < mountlist->entries; i++) {
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221 | if (!strcmp(device, mountlist->el[i].device)) {
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222 | device_copies++;
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223 | }
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224 | }
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225 | if (device_copies > 1) {
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226 | asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
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227 | device);
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228 | if (!strstr(flaws_str, tmp)) {
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229 | log_it(tmp);
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230 | strcat(flaws_str, tmp);
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231 | res++;
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232 | }
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233 | paranoid_free(tmp);
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234 | }
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235 | /* silly partition size? */
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236 | if (mountlist->el[pos].size < 8192
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237 | && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
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238 | asprintf(&tmp, " %s is tiny!", device);
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239 | log_it(tmp);
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240 | strcat(flaws_str, tmp);
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241 | paranoid_free(tmp);
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242 | res++;
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243 | }
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244 | /* mountpoint should begin with / unless it is swap, lvm or raid */
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245 | if (strcmp(mountlist->el[pos].mountpoint, "swap")
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246 | && strcmp(mountlist->el[pos].mountpoint, "lvm")
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247 | && strcmp(mountlist->el[pos].mountpoint, "raid")
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248 | && strcmp(mountlist->el[pos].mountpoint, "image")
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249 | && strcmp(mountlist->el[pos].mountpoint, "none")
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250 | && mountlist->el[pos].mountpoint[0] != '/') {
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251 | asprintf(&tmp, " %s has a weird mountpoint.", device);
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252 | log_it(tmp);
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253 | strcat(flaws_str, tmp);
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254 | paranoid_free(tmp);
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255 | res++;
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256 | }
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257 | /* is format sensible? */
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258 | if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
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259 | asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
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260 | log_it(tmp);
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261 | strcat(flaws_str, tmp);
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262 | paranoid_free(tmp);
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263 | res++;
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264 | }
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265 | paranoid_free(device);
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266 | } else {
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267 | /* Check subpartitions */
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268 | for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
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269 | asprintf(&device, "%ss%d%c", drive, curr_part_no,
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270 | cur_sp_no);
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271 | pos = find_device_in_mountlist(mountlist, device);
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272 | if (pos < 0) {
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273 | continue;
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274 | }
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275 | // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
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276 | /* is it too big? */
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277 | if (curr_part_no > 'h') {
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278 | asprintf(&tmp,
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279 | " Can only have up to 'h' in disklabel.");
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280 | log_it(tmp);
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281 | strcat(flaws_str, tmp);
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282 | paranoid_free(tmp);
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283 | res++;
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284 | }
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285 | /* does partition /dev/adXsYZ exist more than once in the mountlist? */
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286 | for (i = 0, mountpoint_copies = 0, device_copies = 0;
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287 | i < mountlist->entries; i++) {
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288 | if (!strcmp(device, mountlist->el[i].device)) {
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289 | device_copies++;
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290 | }
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291 | }
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292 | if (device_copies > 1) {
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293 | asprintf(&tmp, " %s %s's.",
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294 | number_to_text(device_copies), device);
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295 | if (!strstr(flaws_str, tmp)) {
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296 | log_it(tmp);
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297 | strcat(flaws_str, tmp);
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298 | res++;
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299 | }
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300 | paranoid_free(tmp);
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301 | }
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302 | /* silly partition size? */
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303 | if (mountlist->el[pos].size < 8192
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304 | && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
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305 | asprintf(&tmp, " %s is tiny!", device);
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306 | log_it(tmp);
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307 | strcat(flaws_str, tmp);
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308 | paranoid_free(tmp);
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309 | res++;
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310 | }
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311 | /* mountpoint should begin with / unless it is swap, lvm or raid */
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312 | if (strcmp(mountlist->el[pos].mountpoint, "swap")
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313 | && strcmp(mountlist->el[pos].mountpoint, "lvm")
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314 | && strcmp(mountlist->el[pos].mountpoint, "raid")
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315 | && strcmp(mountlist->el[pos].mountpoint, "image")
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316 | && strcmp(mountlist->el[pos].mountpoint, "none")
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317 | && mountlist->el[pos].mountpoint[0] != '/') {
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318 | asprintf(&tmp, " %s has a weird mountpoint.", device);
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319 | log_it(tmp);
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320 | strcat(flaws_str, tmp);
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321 | paranoid_free(tmp);
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322 | res++;
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323 | }
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324 | /* is format sensible? */
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325 | if (!is_this_a_valid_disk_format
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326 | (mountlist->el[pos].format)) {
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327 | asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
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328 | log_it(tmp);
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329 | strcat(flaws_str, tmp);
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330 | paranoid_free(tmp);
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331 | res++;
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332 | }
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333 | amount_allocated += mountlist->el[pos].size / 1024;
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334 | prev_sp_no = cur_sp_no;
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335 | paranoid_free(device);
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336 | }
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337 | }
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338 |
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339 | /* OK, continue with main loop */
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340 | amount_allocated += mountlist->el[pos].size / 1024;
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341 | prev_part_no = curr_part_no;
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342 | }
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343 |
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344 | /* Over-allocated the disk? Unallocated space on disk? */
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345 | if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
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346 | {
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347 | asprintf(&tmp, " %ld MB over-allocated on %s.",
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348 | amount_allocated - physical_drive_size, drive);
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349 | log_it(tmp);
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350 | strcat(flaws_str, tmp);
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351 | paranoid_free(tmp);
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352 | res++;
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353 | } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
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354 | asprintf(&tmp, " %ld MB unallocated on %s.",
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355 | physical_drive_size - amount_allocated, drive);
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356 | log_it(tmp);
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357 | strcat(flaws_str, tmp);
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358 | paranoid_free(tmp);
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359 | }
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360 | if (res) {
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361 | return (FALSE);
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362 | } else {
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363 | return (TRUE);
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364 | }
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365 | }
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366 |
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367 | #else
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368 | // Linux-specific version of evaluate_drive_within_mountlist()
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369 | {
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370 |
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371 | /*@ int ************************************************************* */
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372 | int prev_part_no = 0;
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373 | int curr_part_no = 0;
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374 | int pos = 0;
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375 | int res = 0;
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376 | int mountpoint_copies = 0;
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377 | int device_copies = 0;
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378 | int i = 0;
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379 |
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380 | /*@ buffers ******************************************************** */
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381 | char *tmp;
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382 | char *device;
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383 |
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384 | /*@ long *********************************************************** */
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385 | long physical_drive_size = 0;
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386 | long amount_allocated = 0;
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387 |
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388 | /*@ pointers ******************************************************* */
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389 | char *part_table_fmt;
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390 |
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391 | /*@ initialize ***************************************************** */
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392 | assert_string_is_neither_NULL_nor_zerolength(drive);
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393 | assert(mountlist != NULL);
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394 | assert(flaws_str != NULL);
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395 |
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396 | flaws_str[0] = '\0';
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397 | prev_part_no = 0;
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398 | // BERLIOS : useless ? tmp[0] = '\0';
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399 |
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400 |
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401 | physical_drive_size = get_phys_size_of_drive(drive);
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402 |
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403 | if (physical_drive_size < 0) {
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404 | asprintf(&tmp, " %s does not exist.", drive);
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405 | strcat(flaws_str, tmp);
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406 | res++;
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407 | log_msg(1, tmp);
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408 | paranoid_free(tmp);
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409 | return (FALSE);
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410 | } else {
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411 | asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
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412 | log_it(tmp);
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413 | paranoid_free(tmp);
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414 | }
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415 |
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416 | for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
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417 | asprintf(&device, "%s%d", drive, curr_part_no);
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418 | pos = find_device_in_mountlist(mountlist, device);
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419 | if (pos < 0) {
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420 | continue;
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421 | }
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422 | if (physical_drive_size < 0) {
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423 | asprintf(&tmp, " %s refers to non-existent hardware.", device);
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424 | strcat(flaws_str, tmp);
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425 | res++;
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426 | paranoid_free(tmp);
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427 | continue;
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428 | }
|
---|
429 | // BERLIOS : useless ? strcpy(mountpoint, mountlist->el[pos].mountpoint);
|
---|
430 | /* gap in the partition list? */
|
---|
431 | if (curr_part_no - prev_part_no > 1) {
|
---|
432 | if (prev_part_no == 0) {
|
---|
433 | asprintf(&tmp, " Gap prior to %s.", device);
|
---|
434 | log_it(tmp);
|
---|
435 | strcat(flaws_str, tmp);
|
---|
436 | paranoid_free(tmp);
|
---|
437 | res++;
|
---|
438 | } else if (curr_part_no > 5
|
---|
439 | || (curr_part_no <= 4 && prev_part_no > 0)) {
|
---|
440 | asprintf(&tmp, " Gap between %s%d and %d.", drive,
|
---|
441 | prev_part_no, curr_part_no);
|
---|
442 | log_it(tmp);
|
---|
443 | strcat(flaws_str, tmp);
|
---|
444 | paranoid_free(tmp);
|
---|
445 | res++;
|
---|
446 | }
|
---|
447 | }
|
---|
448 | /* GPT allows more than 4 primary partitions */
|
---|
449 | part_table_fmt = which_partition_format(drive);
|
---|
450 | /* no spare primary partitions to help accommodate the logical(s)? */
|
---|
451 | if ((curr_part_no >= 5 && prev_part_no == 4)
|
---|
452 | && (strcmp(part_table_fmt, "MBR") == 0)) {
|
---|
453 | asprintf(&tmp, " Partition %s4 is occupied.", drive);
|
---|
454 | log_it(tmp);
|
---|
455 | strcat(flaws_str, tmp);
|
---|
456 | paranoid_free(tmp);
|
---|
457 | res++;
|
---|
458 | }
|
---|
459 | paranoid_free(part_table_fmt);
|
---|
460 |
|
---|
461 | /* does partition /dev/hdNX exist more than once in the mountlist? */
|
---|
462 | for (i = 0, mountpoint_copies = 0, device_copies = 0;
|
---|
463 | i < mountlist->entries; i++) {
|
---|
464 | if (!strcmp(device, mountlist->el[i].device)) {
|
---|
465 | device_copies++;
|
---|
466 | }
|
---|
467 | }
|
---|
468 | if (device_copies > 1) {
|
---|
469 | asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
|
---|
470 | device);
|
---|
471 | if (!strstr(flaws_str, tmp)) {
|
---|
472 | log_it(tmp);
|
---|
473 | strcat(flaws_str, tmp);
|
---|
474 | res++;
|
---|
475 | }
|
---|
476 | paranoid_free(tmp);
|
---|
477 | }
|
---|
478 | /* silly partition size? */
|
---|
479 | if (mountlist->el[pos].size < 8192
|
---|
480 | && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
|
---|
481 | asprintf(&tmp, " %s is tiny!", device);
|
---|
482 | log_it(tmp);
|
---|
483 | strcat(flaws_str, tmp);
|
---|
484 | paranoid_free(tmp);
|
---|
485 | res++;
|
---|
486 | }
|
---|
487 | /* mountpoint should begin with / unless it is swap, lvm or raid */
|
---|
488 | if (strcmp(mountlist->el[pos].mountpoint, "swap")
|
---|
489 | && strcmp(mountlist->el[pos].mountpoint, "lvm")
|
---|
490 | && strcmp(mountlist->el[pos].mountpoint, "raid")
|
---|
491 | && strcmp(mountlist->el[pos].mountpoint, "image")
|
---|
492 | && mountlist->el[pos].mountpoint[0] != '/') {
|
---|
493 | asprintf(&tmp, " %s has a weird mountpoint.", device);
|
---|
494 | log_it(tmp);
|
---|
495 | strcat(flaws_str, tmp);
|
---|
496 | paranoid_free(tmp);
|
---|
497 | res++;
|
---|
498 | }
|
---|
499 | /* is format sensible? */
|
---|
500 | if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
|
---|
501 | asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
|
---|
502 | log_it(tmp);
|
---|
503 | strcat(flaws_str, tmp);
|
---|
504 | paranoid_free(tmp);
|
---|
505 | res++;
|
---|
506 | }
|
---|
507 | /* OK, continue with main loop */
|
---|
508 | amount_allocated += mountlist->el[pos].size / 1024;
|
---|
509 | prev_part_no = curr_part_no;
|
---|
510 | paranoid_free(device);
|
---|
511 | }
|
---|
512 |
|
---|
513 | /* Over-allocated the disk? Unallocated space on disk? */
|
---|
514 | if (amount_allocated > physical_drive_size + 1) {
|
---|
515 | asprintf(&tmp, " %ld MB over-allocated on %s.",
|
---|
516 | amount_allocated - physical_drive_size, drive);
|
---|
517 | log_it(tmp);
|
---|
518 | strcat(flaws_str, tmp);
|
---|
519 | paranoid_free(tmp);
|
---|
520 | res++;
|
---|
521 | } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
|
---|
522 | asprintf(&tmp, " %ld MB unallocated on %s.",
|
---|
523 | physical_drive_size - amount_allocated, drive);
|
---|
524 | log_it(tmp);
|
---|
525 | strcat(flaws_str, tmp);
|
---|
526 | paranoid_free(tmp);
|
---|
527 | }
|
---|
528 |
|
---|
529 | if (res) {
|
---|
530 | return (FALSE);
|
---|
531 | } else {
|
---|
532 | return (TRUE);
|
---|
533 | }
|
---|
534 | }
|
---|
535 | #endif
|
---|
536 |
|
---|
537 |
|
---|
538 | /**
|
---|
539 | * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
|
---|
540 | * for each drive, and then spreads the flaws across three lines.
|
---|
541 | * @param mountlist The mountlist to evaluate.
|
---|
542 | * @param flaws_str_A Where to put the first line listing errors found.
|
---|
543 | * @param flaws_str_B Where to put the second line listing errors found.
|
---|
544 | * @param flaws_str_C Where to put the third line listing errors found.
|
---|
545 | * @return The number of flaws found (0 for success).
|
---|
546 | * @see evaluate_drive_within_mountlist
|
---|
547 | */
|
---|
548 | int
|
---|
549 | evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
|
---|
550 | char *flaws_str_B, char *flaws_str_C)
|
---|
551 | {
|
---|
552 |
|
---|
553 | /*@ buffer *********************************************************** */
|
---|
554 | struct list_of_disks *drivelist;
|
---|
555 | char *tmp;
|
---|
556 | char *tmp1;
|
---|
557 | char *flaws_str;
|
---|
558 |
|
---|
559 | /*@ int ************************************************************** */
|
---|
560 | int i = 0;
|
---|
561 | int res = 0;
|
---|
562 |
|
---|
563 | /*@ initialize ******************************************************* */
|
---|
564 |
|
---|
565 | drivelist = malloc(sizeof(struct list_of_disks));
|
---|
566 | assert(mountlist != NULL);
|
---|
567 | assert(flaws_str_A != NULL);
|
---|
568 | assert(flaws_str_B != NULL);
|
---|
569 | assert(flaws_str_C != NULL);
|
---|
570 |
|
---|
571 | asprintf(&flaws_str, " ");
|
---|
572 |
|
---|
573 | make_list_of_drives_in_mountlist(mountlist, drivelist);
|
---|
574 |
|
---|
575 | log_it("Evaluating mountlist...");
|
---|
576 |
|
---|
577 | for (i = 0; i < drivelist->entries; i++) {
|
---|
578 | if (strstr
|
---|
579 | (drivelist->el[i].device,
|
---|
580 | DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
|
---|
581 | asprintf(&tmp, " Not evaluating %s (I don't know how yet)",
|
---|
582 | drivelist->el[i].device);
|
---|
583 | log_it(tmp);
|
---|
584 | } else {
|
---|
585 | asprintf(&tmp, " ");
|
---|
586 | // BERLIOS : tmp was NOT initialized ???
|
---|
587 | if (!evaluate_drive_within_mountlist
|
---|
588 | (mountlist, drivelist->el[i].device, tmp)) {
|
---|
589 | res++;
|
---|
590 | }
|
---|
591 | }
|
---|
592 | asprintf(&tmp1, "%s%s", flaws_str, tmp);
|
---|
593 | paranoid_free(tmp);
|
---|
594 | paranoid_free(flaws_str);
|
---|
595 | flaws_str = tmp1;
|
---|
596 | }
|
---|
597 | res += look_for_duplicate_mountpoints(mountlist, flaws_str);
|
---|
598 | /* res+=look_for_weird_formats(mountlist,flaws_str); .. not necessary, now that we can check to see
|
---|
599 | which formarts are actually _supported_ by the kernel */
|
---|
600 | /* log_it(flaws_str); */
|
---|
601 | return (spread_flaws_across_three_lines
|
---|
602 | (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
|
---|
603 | }
|
---|
604 |
|
---|
605 |
|
---|
606 | /**
|
---|
607 | * Find the index number of @p device in the mountlist.
|
---|
608 | * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
|
---|
609 | * @param mountlist The mountlist to search in.
|
---|
610 | * @param device The device to search for.
|
---|
611 | * @return The zero-based index of the device, or -1 if it could not be found.
|
---|
612 | */
|
---|
613 | int
|
---|
614 | find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
|
---|
615 | {
|
---|
616 |
|
---|
617 | /*@ int ************************************************************** */
|
---|
618 | int i = 0;
|
---|
619 |
|
---|
620 | assert(mountlist != NULL);
|
---|
621 | assert_string_is_neither_NULL_nor_zerolength(device);
|
---|
622 | for (i = 0;
|
---|
623 | i < mountlist->entries
|
---|
624 | && strcmp(mountlist->el[i].device, device) != 0; i++);
|
---|
625 |
|
---|
626 | if (i == mountlist->entries) {
|
---|
627 | return (-1);
|
---|
628 | } else {
|
---|
629 | return (i);
|
---|
630 | }
|
---|
631 | }
|
---|
632 |
|
---|
633 |
|
---|
634 | /**
|
---|
635 | * Look for duplicate mountpoints in @p mountlist.
|
---|
636 | * @param mountlist The mountlist to check.
|
---|
637 | * @param flaws_str The flaws string to append the results to.
|
---|
638 | * @return The number of mountpoints that have duplicates, or 0 for success.
|
---|
639 | */
|
---|
640 | int
|
---|
641 | look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
|
---|
642 | char *flaws_str)
|
---|
643 | {
|
---|
644 |
|
---|
645 | /*@ int ************************************************************* */
|
---|
646 | int res = 0;
|
---|
647 | int currline = 0;
|
---|
648 | int i = 0;
|
---|
649 | int copies = 0;
|
---|
650 | int last_copy = 0;
|
---|
651 |
|
---|
652 | /*@ buffetr ********************************************************* */
|
---|
653 | char *curr_mountpoint;
|
---|
654 | char *tmp;
|
---|
655 |
|
---|
656 | assert(mountlist != NULL);
|
---|
657 | assert(flaws_str != NULL);
|
---|
658 | for (currline = 0; currline < mountlist->entries; currline++) {
|
---|
659 | asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
|
---|
660 | for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
|
---|
661 | i++) {
|
---|
662 | if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
|
---|
663 | && strcmp(mountlist->el[i].mountpoint, "lvm")
|
---|
664 | && strcmp(mountlist->el[i].mountpoint, "swap")) {
|
---|
665 | last_copy = i;
|
---|
666 | copies++;
|
---|
667 | }
|
---|
668 | }
|
---|
669 | if (copies > 1 && last_copy == currline
|
---|
670 | && strcmp(curr_mountpoint, "raid")) {
|
---|
671 | asprintf(&tmp, " %s %s's.", number_to_text(copies),
|
---|
672 | curr_mountpoint);
|
---|
673 | strcat(flaws_str, tmp);
|
---|
674 | log_it(tmp);
|
---|
675 | paranoid_free(tmp);
|
---|
676 | res++;
|
---|
677 | }
|
---|
678 | paranoid_free(curr_mountpoint);
|
---|
679 | }
|
---|
680 | return (res);
|
---|
681 | }
|
---|
682 |
|
---|
683 |
|
---|
684 | /**
|
---|
685 | * Look for strange formats. Does not respect /proc/filesystems.
|
---|
686 | * @param mountlist The mountlist to check.
|
---|
687 | * @param flaws_str The flaws string to append the results to.
|
---|
688 | * @return The number of weird formats found, or 0 for success.
|
---|
689 | * @bug Seems orphaned; please remove.
|
---|
690 | */
|
---|
691 | int
|
---|
692 | look_for_weird_formats(struct mountlist_itself *mountlist, char *flaws_str)
|
---|
693 | {
|
---|
694 |
|
---|
695 | /*@ int ************************************************************* */
|
---|
696 | int i = 0;
|
---|
697 | int res = 0;
|
---|
698 |
|
---|
699 | /*@ buffers ********************************************************* */
|
---|
700 | char *tmp;
|
---|
701 | char *format_sz;
|
---|
702 |
|
---|
703 | assert(mountlist != NULL);
|
---|
704 | assert(flaws_str != NULL);
|
---|
705 |
|
---|
706 | for (i = 0; i < mountlist->entries; i++) {
|
---|
707 | asprintf(&format_sz, " %s ", mountlist->el[i].format);
|
---|
708 | if (!strstr(SANE_FORMATS, format_sz)
|
---|
709 | && strcmp(mountlist->el[i].mountpoint, "image") != 0) {
|
---|
710 | asprintf(&tmp, " %s has unknown format.",
|
---|
711 | mountlist->el[i].device);
|
---|
712 | log_it(tmp);
|
---|
713 | strcat(flaws_str, tmp);
|
---|
714 | paranoid_free(tmp);
|
---|
715 | res++;
|
---|
716 | } else if ((!strcmp(mountlist->el[i].format, "swap")
|
---|
717 | && strcmp(mountlist->el[i].mountpoint, "swap")
|
---|
718 | && strcmp(mountlist->el[i].mountpoint, "none"))
|
---|
719 | || (strcmp(mountlist->el[i].format, "swap")
|
---|
720 | && !strcmp(mountlist->el[i].mountpoint, "swap")
|
---|
721 | && !strcmp(mountlist->el[i].mountpoint, "none"))) {
|
---|
722 | asprintf(&tmp, " %s is half-swap.", mountlist->el[i].device);
|
---|
723 | log_it(tmp);
|
---|
724 | strcat(flaws_str, tmp);
|
---|
725 | paranoid_free(tmp);
|
---|
726 | res++;
|
---|
727 | }
|
---|
728 | paranoid_free(format_sz);
|
---|
729 | }
|
---|
730 | return (res);
|
---|
731 | }
|
---|
732 |
|
---|
733 |
|
---|
734 | /**
|
---|
735 | * Make a list of the drives mentioned in the mountlist.
|
---|
736 | * @param mountlist The mountlist to examine.
|
---|
737 | * @param drivelist Where to put the list of drives found.
|
---|
738 | * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
|
---|
739 | */
|
---|
740 | int
|
---|
741 | make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
|
---|
742 | struct list_of_disks *drivelist)
|
---|
743 | {
|
---|
744 |
|
---|
745 | /*@ int ************************************************************* */
|
---|
746 | int lino;
|
---|
747 | int noof_drives;
|
---|
748 | int j;
|
---|
749 |
|
---|
750 | /*@ buffers ********************************************************* */
|
---|
751 | char *drive;
|
---|
752 | char *tmp;
|
---|
753 |
|
---|
754 | long long size;
|
---|
755 |
|
---|
756 | assert(mountlist != NULL);
|
---|
757 | assert(drivelist != NULL);
|
---|
758 | log_it("Making list of drives");
|
---|
759 | for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
|
---|
760 |
|
---|
761 | asprintf(&drive, mountlist->el[lino].device);
|
---|
762 | if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
|
---|
763 | asprintf(&tmp,
|
---|
764 | "Not putting %s in list of drives: it's a virtual drive",
|
---|
765 | drive);
|
---|
766 | log_msg(8, tmp);
|
---|
767 | paranoid_free(tmp);
|
---|
768 | continue;
|
---|
769 | }
|
---|
770 |
|
---|
771 | size = mountlist->el[lino].size;
|
---|
772 | if (size == 0) {
|
---|
773 | asprintf(&tmp,
|
---|
774 | "Not putting %s in list of drives: it has zero size (maybe an LVM volume)",
|
---|
775 | drive);
|
---|
776 | log_msg(8, tmp);
|
---|
777 | paranoid_free(tmp);
|
---|
778 | continue;
|
---|
779 | }
|
---|
780 |
|
---|
781 | /*
|
---|
782 | for (i = strlen (drive); isdigit (drive[i - 1]); i--);
|
---|
783 | drive[i] = '\0';
|
---|
784 | if (get_phys_size_of_drive (drive) <= 0 && drive[i - 1] == 'p')
|
---|
785 | {
|
---|
786 | i--;
|
---|
787 | drive[i] = '\0';
|
---|
788 | }
|
---|
789 | for (j = 0; j < noof_drives && strcmp (drivelist[j], drive) != 0; j++);
|
---|
790 | */
|
---|
791 |
|
---|
792 | asprintf(&tmp,
|
---|
793 | "Putting %s with size %lli in list of drives",
|
---|
794 | drive, size);
|
---|
795 | log_msg(8, tmp);
|
---|
796 | paranoid_free(tmp);
|
---|
797 |
|
---|
798 | (void) truncate_to_drive_name(drive);
|
---|
799 | for (j = 0;
|
---|
800 | j < noof_drives
|
---|
801 | && strcmp(drivelist->el[j].device, drive) != 0; j++)
|
---|
802 | continue;
|
---|
803 | if (j == noof_drives) {
|
---|
804 | strcpy(drivelist->el[noof_drives++].device, drive);
|
---|
805 | }
|
---|
806 | paranoid_free(drive);
|
---|
807 |
|
---|
808 | }
|
---|
809 | drivelist->entries = noof_drives;
|
---|
810 | log_msg(8, "Made list of drives");
|
---|
811 |
|
---|
812 | return (noof_drives);
|
---|
813 | }
|
---|
814 |
|
---|
815 |
|
---|
816 | /**
|
---|
817 | * Make a list of RAID partitions not currently associated with any RAID device.
|
---|
818 | * The user may add any of these partitions to the RAID device.
|
---|
819 | * @param output_list Where to put the list of unallocated RAID partitions.
|
---|
820 | * @param mountlist The mountlist to examine.
|
---|
821 | * @param raidlist The raidlist to examine.
|
---|
822 | */
|
---|
823 | void make_list_of_unallocated_raid_partitions(struct mountlist_itself
|
---|
824 | *output_list, struct mountlist_itself
|
---|
825 | *mountlist, struct raidlist_itself
|
---|
826 | *raidlist)
|
---|
827 | {
|
---|
828 |
|
---|
829 | /*@ int ************************************************************* */
|
---|
830 | int items = 0;
|
---|
831 | int i = 0;
|
---|
832 | int used_by = 0;
|
---|
833 |
|
---|
834 | /*@ buffers ********************************************************* */
|
---|
835 | char *tmp;
|
---|
836 |
|
---|
837 | assert(output_list != NULL);
|
---|
838 | assert(mountlist != NULL);
|
---|
839 | assert(raidlist != NULL);
|
---|
840 | log_it("MLOURP -- starting");
|
---|
841 | items = 0;
|
---|
842 |
|
---|
843 |
|
---|
844 | for (i = 0; i < mountlist->entries; i++) {
|
---|
845 | if (strstr(mountlist->el[i].mountpoint, "raid")) {
|
---|
846 | used_by =
|
---|
847 | which_raid_device_is_using_this_partition(raidlist,
|
---|
848 | mountlist->el[i].
|
---|
849 | device);
|
---|
850 | if (used_by < 0) {
|
---|
851 | memcpy((void *) &output_list->el[items++],
|
---|
852 | (void *) &mountlist->el[i],
|
---|
853 | sizeof(struct mountlist_line));
|
---|
854 | asprintf(&tmp,
|
---|
855 | "%s is available; user may choose to add it to raid device",
|
---|
856 | output_list->el[items - 1].device);
|
---|
857 | log_it(tmp);
|
---|
858 | paranoid_free(tmp);
|
---|
859 | }
|
---|
860 | }
|
---|
861 | }
|
---|
862 | output_list->entries = items;
|
---|
863 | log_it("MLUORP -- ending");
|
---|
864 | }
|
---|
865 |
|
---|
866 |
|
---|
867 | /**
|
---|
868 | * Get the size of a mountlist entry by the @c device field.
|
---|
869 | * @param mountlist The mountlist to search in.
|
---|
870 | * @param device The device to search for
|
---|
871 | * @return The size of the device (in KB), or -1 if it could not be found.
|
---|
872 | */
|
---|
873 | long long
|
---|
874 | size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
|
---|
875 | char *device)
|
---|
876 | {
|
---|
877 | /*@ int ************************************************************** */
|
---|
878 | int i = 0;
|
---|
879 |
|
---|
880 |
|
---|
881 | assert(mountlist != NULL);
|
---|
882 | assert_string_is_neither_NULL_nor_zerolength(device);
|
---|
883 |
|
---|
884 | for (i = 0;
|
---|
885 | i < mountlist->entries && strcmp(mountlist->el[i].device, device);
|
---|
886 | i++);
|
---|
887 | if (i == mountlist->entries) {
|
---|
888 | return (-1);
|
---|
889 | } else {
|
---|
890 | return (mountlist->el[i].size);
|
---|
891 | }
|
---|
892 | }
|
---|
893 |
|
---|
894 |
|
---|
895 | /**
|
---|
896 | * Load a file on disk into @p mountlist.
|
---|
897 | * The file on disk should consist of multiple lines, each containing 4 or 5
|
---|
898 | * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
|
---|
899 | * Comments begin with a '#' without any leading whitespace. Any duplicate
|
---|
900 | * entries are renamed.
|
---|
901 | * @param mountlist The mountlist to load into.
|
---|
902 | * @param fname The name of the file to load the mountlist from.
|
---|
903 | * @return 0 for success, 1 for failure.
|
---|
904 | */
|
---|
905 | int load_mountlist(struct mountlist_itself *mountlist, char *fname)
|
---|
906 | {
|
---|
907 | FILE *fin;
|
---|
908 | /* malloc ** */
|
---|
909 | char *incoming = NULL;
|
---|
910 | char *siz;
|
---|
911 | char *tmp;
|
---|
912 | char *p;
|
---|
913 |
|
---|
914 | int items;
|
---|
915 | int j;
|
---|
916 | size_t n = 0;
|
---|
917 |
|
---|
918 | assert(mountlist != NULL);
|
---|
919 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
920 | malloc_string(siz);
|
---|
921 | if (!(fin = fopen(fname, "r"))) {
|
---|
922 | log_it("Unable to open mountlist - '%s'", fname);
|
---|
923 | log_to_screen("Cannot open mountlist");
|
---|
924 | paranoid_free(siz);
|
---|
925 | return (1);
|
---|
926 | }
|
---|
927 | items = 0;
|
---|
928 | (void) getline(&incoming, &n, fin);
|
---|
929 | log_it("Loading mountlist...");
|
---|
930 | while (!feof(fin)) {
|
---|
931 | #if linux
|
---|
932 | sscanf(incoming,
|
---|
933 | "%s %s %s %s %s",
|
---|
934 | mountlist->el[items].device,
|
---|
935 | mountlist->el[items].mountpoint,
|
---|
936 | mountlist->el[items].format,
|
---|
937 | siz, mountlist->el[items].label);
|
---|
938 | #elif __FreeBSD__
|
---|
939 | sscanf(incoming,
|
---|
940 | "%s %s %s %s",
|
---|
941 | mountlist->el[items].device,
|
---|
942 | mountlist->el[items].mountpoint,
|
---|
943 | mountlist->el[items].format, siz);
|
---|
944 | strcpy(mountlist->el[items].label, "");
|
---|
945 | #endif
|
---|
946 |
|
---|
947 | if (!strcmp(mountlist->el[items].device, "/proc") ||
|
---|
948 | !strcmp(mountlist->el[items].device, "proc") ||
|
---|
949 | !strcmp(mountlist->el[items].device, "/sys") ||
|
---|
950 | !strcmp(mountlist->el[items].device, "sys") ||
|
---|
951 | !strcmp(mountlist->el[items].device, "/devpts") ||
|
---|
952 | !strcmp(mountlist->el[items].device, "devpts")
|
---|
953 | ) {
|
---|
954 | log_msg(1,
|
---|
955 | "Ignoring %s in mountlist - not loading that line :) ",
|
---|
956 | mountlist->el[items].device);
|
---|
957 | (void) getline(&incoming, &n, fin);
|
---|
958 | continue;
|
---|
959 | }
|
---|
960 | mountlist->el[items].size = atoll(siz);
|
---|
961 | if (mountlist->el[items].device[0] != '\0'
|
---|
962 | && mountlist->el[items].device[0] != '#') {
|
---|
963 | if (items >= ARBITRARY_MAXIMUM) {
|
---|
964 | log_to_screen("Too many lines in mountlist.. ABORTING");
|
---|
965 | finish(1);
|
---|
966 | }
|
---|
967 | for (j = 0;
|
---|
968 | j < items
|
---|
969 | && strcmp(mountlist->el[j].device,
|
---|
970 | mountlist->el[items].device); j++);
|
---|
971 | if (j < items) {
|
---|
972 | strcat(mountlist->el[items].device, "_dup");
|
---|
973 | asprintf(&tmp,
|
---|
974 | "Duplicate entry in mountlist - renaming to %s",
|
---|
975 | mountlist->el[items].device);
|
---|
976 | log_it(tmp);
|
---|
977 | paranoid_free(tmp);
|
---|
978 | }
|
---|
979 | asprintf(&tmp, mountlist->el[items].device);
|
---|
980 | if (strstr(tmp, "/dev/md/")) {
|
---|
981 | log_it("format_device() --- Contracting %s", tmp);
|
---|
982 | p = strrchr(tmp, '/');
|
---|
983 | if (p) {
|
---|
984 | *p = *(p + 1);
|
---|
985 | *(p + 1) = *(p + 2);
|
---|
986 | *(p + 2) = *(p + 3);
|
---|
987 | }
|
---|
988 | log_it("It was %s; it is now %s",
|
---|
989 | mountlist->el[items].device, tmp);
|
---|
990 | strcpy(mountlist->el[items].device, tmp);
|
---|
991 | }
|
---|
992 | paranoid_free(tmp);
|
---|
993 |
|
---|
994 | asprintf(&tmp,
|
---|
995 | "%s %s %s %lld %s",
|
---|
996 | mountlist->el[items].device,
|
---|
997 | mountlist->el[items].mountpoint,
|
---|
998 | mountlist->el[items].format,
|
---|
999 | mountlist->el[items].size,
|
---|
1000 | mountlist->el[items].label);
|
---|
1001 |
|
---|
1002 | log_it(tmp);
|
---|
1003 | paranoid_free(tmp);
|
---|
1004 | items++;
|
---|
1005 | }
|
---|
1006 | (void) getline(&incoming, &n, fin);
|
---|
1007 | }
|
---|
1008 | paranoid_fclose(fin);
|
---|
1009 | paranoid_free(incoming);
|
---|
1010 | mountlist->entries = items;
|
---|
1011 |
|
---|
1012 | log_it("Mountlist loaded successfully.");
|
---|
1013 | asprintf(&tmp, "%d entries in mountlist", items);
|
---|
1014 | log_it(tmp);
|
---|
1015 | paranoid_free(tmp);
|
---|
1016 |
|
---|
1017 | paranoid_free(siz);
|
---|
1018 | return (0);
|
---|
1019 | }
|
---|
1020 |
|
---|
1021 |
|
---|
1022 |
|
---|
1023 | /**
|
---|
1024 | * Save @p mountlist to a file on disk.
|
---|
1025 | * @param mountlist The mountlist to save.
|
---|
1026 | * @param fname The file to save it to.
|
---|
1027 | * @return 0 for success, 1 for failure.
|
---|
1028 | * @see load_mountlist
|
---|
1029 | */
|
---|
1030 | int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
|
---|
1031 | {
|
---|
1032 | FILE *fout;
|
---|
1033 | int i;
|
---|
1034 |
|
---|
1035 | assert(mountlist != NULL);
|
---|
1036 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
1037 |
|
---|
1038 | log_it("save_mountlist_to_disk() --- saving to %s", fname);
|
---|
1039 | if (!(fout = fopen(fname, "w"))) {
|
---|
1040 | log_OS_error("WMTD - Cannot openout mountlist");
|
---|
1041 | return (1);
|
---|
1042 | }
|
---|
1043 | for (i = 0; i < mountlist->entries; i++) {
|
---|
1044 | fprintf(fout,
|
---|
1045 | "%-15s %-15s %-15s %-15lld %-15s\n",
|
---|
1046 | mountlist->el[i].device, mountlist->el[i].mountpoint,
|
---|
1047 | mountlist->el[i].format, mountlist->el[i].size,
|
---|
1048 | mountlist->el[i].label);
|
---|
1049 | }
|
---|
1050 | paranoid_fclose(fout);
|
---|
1051 | return (0);
|
---|
1052 | }
|
---|
1053 |
|
---|
1054 |
|
---|
1055 | /**
|
---|
1056 | * Sort the mountlist alphabetically by device.
|
---|
1057 | * The sorting is done in-place.
|
---|
1058 | * @param mountlist The mountlist to sort.
|
---|
1059 | */
|
---|
1060 | void sort_mountlist_by_device(struct mountlist_itself *mountlist)
|
---|
1061 | {
|
---|
1062 | int diff;
|
---|
1063 | int lino = -999;
|
---|
1064 |
|
---|
1065 | assert(mountlist != NULL);
|
---|
1066 |
|
---|
1067 | while (lino < mountlist->entries) {
|
---|
1068 | for (lino = 1; lino < mountlist->entries; lino++) {
|
---|
1069 | diff =
|
---|
1070 | strcmp_inc_numbers(mountlist->el[lino - 1].device,
|
---|
1071 | mountlist->el[lino].device);
|
---|
1072 | if (diff > 0) {
|
---|
1073 | swap_mountlist_entries(mountlist, lino - 1, lino);
|
---|
1074 | break;
|
---|
1075 | }
|
---|
1076 | }
|
---|
1077 | }
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 |
|
---|
1081 | /**
|
---|
1082 | * Sort the mountlist alphabetically by mountpoint.
|
---|
1083 | * The sorting is done in-place.
|
---|
1084 | * @param mountlist The mountlist to sort.
|
---|
1085 | * @param reverse If TRUE, then do a reverse sort.
|
---|
1086 | */
|
---|
1087 | void
|
---|
1088 | sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
|
---|
1089 | bool reverse)
|
---|
1090 | {
|
---|
1091 | int diff;
|
---|
1092 | int lino = -999;
|
---|
1093 |
|
---|
1094 | assert(mountlist != NULL);
|
---|
1095 |
|
---|
1096 | while (lino < mountlist->entries) {
|
---|
1097 | for (lino = 1; lino < mountlist->entries; lino++) {
|
---|
1098 | diff =
|
---|
1099 | strcmp(mountlist->el[lino - 1].mountpoint,
|
---|
1100 | mountlist->el[lino].mountpoint);
|
---|
1101 | if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
|
---|
1102 | swap_mountlist_entries(mountlist, lino - 1, lino);
|
---|
1103 | break;
|
---|
1104 | }
|
---|
1105 | }
|
---|
1106 | }
|
---|
1107 | }
|
---|
1108 |
|
---|
1109 |
|
---|
1110 | /**
|
---|
1111 | * Swap two entries in the mountlist in-place.
|
---|
1112 | * @param mountlist The mountlist to swap the entries in.
|
---|
1113 | * @param a The index number of the first entry.
|
---|
1114 | * @param b The index number of the second entry.
|
---|
1115 | */
|
---|
1116 | void
|
---|
1117 | swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
|
---|
1118 | {
|
---|
1119 | /*@ mallocs *** */
|
---|
1120 | char *device;
|
---|
1121 | char *mountpoint;
|
---|
1122 | char *format;
|
---|
1123 |
|
---|
1124 | long long size;
|
---|
1125 |
|
---|
1126 | assert(mountlist != NULL);
|
---|
1127 | assert(a >= 0);
|
---|
1128 | assert(b >= 0);
|
---|
1129 |
|
---|
1130 | asprintf(&device, mountlist->el[a].device);
|
---|
1131 | asprintf(&mountpoint, mountlist->el[a].mountpoint);
|
---|
1132 | asprintf(&format, mountlist->el[a].format);
|
---|
1133 |
|
---|
1134 | size = mountlist->el[a].size;
|
---|
1135 |
|
---|
1136 | strcpy(mountlist->el[a].device, mountlist->el[b].device);
|
---|
1137 | strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
|
---|
1138 | strcpy(mountlist->el[a].format, mountlist->el[b].format);
|
---|
1139 |
|
---|
1140 | mountlist->el[a].size = mountlist->el[b].size;
|
---|
1141 |
|
---|
1142 | strcpy(mountlist->el[b].device, device);
|
---|
1143 | strcpy(mountlist->el[b].mountpoint, mountpoint);
|
---|
1144 | strcpy(mountlist->el[b].format, format);
|
---|
1145 |
|
---|
1146 | mountlist->el[b].size = size;
|
---|
1147 | }
|
---|
1148 |
|
---|
1149 | /* @} - end of mountlistGroup */
|
---|