Last change
on this file since 3505 was 2725, checked in by Bruno Cornec, 14 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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-
Property svn:eol-style
set to
native
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File size:
1.2 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Unicode support routines.
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4 | *
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5 | * Copyright (C) 2010 Denys Vlasenko
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6 | *
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7 | * Licensed under GPLv2, see file LICENSE in this source tree.
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8 | */
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9 | #include "libbb.h"
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10 | #include "unicode.h"
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11 |
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12 | const char* FAST_FUNC printable_string(uni_stat_t *stats, const char *str)
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13 | {
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14 | static char *saved[4];
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15 | static unsigned cur_saved; /* = 0 */
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16 |
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17 | char *dst;
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18 | const char *s;
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19 |
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20 | s = str;
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21 | while (1) {
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22 | unsigned char c = *s;
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23 | if (c == '\0') {
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24 | /* 99+% of inputs do not need conversion */
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25 | if (stats) {
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26 | stats->byte_count = (s - str);
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27 | stats->unicode_count = (s - str);
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28 | stats->unicode_width = (s - str);
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29 | }
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30 | return str;
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31 | }
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32 | if (c < ' ')
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33 | break;
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34 | if (c >= 0x7f)
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35 | break;
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36 | s++;
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37 | }
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38 |
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39 | #if ENABLE_UNICODE_SUPPORT
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40 | dst = unicode_conv_to_printable(stats, str);
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41 | #else
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42 | {
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43 | char *d = dst = xstrdup(str);
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44 | while (1) {
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45 | unsigned char c = *d;
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46 | if (c == '\0')
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47 | break;
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48 | if (c < ' ' || c >= 0x7f)
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49 | *d = '?';
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50 | d++;
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51 | }
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52 | if (stats) {
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53 | stats->byte_count = (d - dst);
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54 | stats->unicode_count = (d - dst);
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55 | stats->unicode_width = (d - dst);
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56 | }
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57 | }
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58 | #endif
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59 |
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60 | free(saved[cur_saved]);
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61 | saved[cur_saved] = dst;
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62 | cur_saved = (cur_saved + 1) & (ARRAY_SIZE(saved)-1);
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63 |
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64 | return dst;
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65 | }
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