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compat.c - iomenu - interactive terminal-based selection menu |
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git clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu (git://bitreich.org) |
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--- |
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compat.c (848B) |
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--- |
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1 #include "compat.h" |
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2 #include <ctype.h> |
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3 #include <stddef.h> |
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4 #include <string.h> |
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5 |
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6 char * |
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7 strcasestr(const char *str1, const char *str2) |
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8 { |
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9 const char *s1; |
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10 const char *s2; |
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11 |
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12 for (;;) { |
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13 s1 = str1; |
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14 s2 = str2; |
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15 while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) |
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16 s1++, s2++; |
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17 if (*s2 == '\0') |
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18 return (char *) str1; |
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19 if (*s1 == '\0') |
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20 return NULL; |
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21 str1++; |
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22 } |
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23 |
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24 return NULL; |
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25 } |
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26 |
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27 size_t |
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28 strlcpy(char *buf, char const *str, size_t sz) |
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29 { |
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30 size_t len, cpy; |
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31 |
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32 len = strlen(str); |
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33 cpy = (len > sz) ? (sz) : (len); |
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34 memcpy(buf, str, cpy + 1); |
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35 buf[sz - 1] = '\0'; |
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36 return len; |
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37 } |
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38 |
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39 char * |
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40 strsep(char **str_p, char const *sep) |
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41 { |
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42 char *s, *prev; |
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43 |
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44 if (*str_p == NULL) |
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45 return NULL; |
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46 |
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47 for (s = prev = *str_p; strchr(sep, *s) == NULL; s++) |
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48 continue; |
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49 |
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50 if (*s == '\0') { |
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51 *str_p = NULL; |
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52 } else { |
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53 *s = '\0'; |
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54 *str_p = s + 1; |
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55 } |
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56 return prev; |
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57 } |
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