| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 Rich Felker <dalias@aerifal.cx> |
| 3 | * |
| 4 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 5 | */ |
| 6 | |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
| 9 | |
| 10 | |
| 11 | int getsubopt(char **opt, char *const *keys, char **val) |
| 12 | { |
| 13 | char *s = *opt; |
| 14 | int i; |
| 15 | |
| 16 | *val = NULL; |
| 17 | *opt = strchr(s, ','); |
| 18 | if (*opt) *(*opt)++ = 0; |
| 19 | else *opt = s + strlen(s); |
| 20 | |
| 21 | for (i=0; keys[i]; i++) { |
| 22 | size_t l = strlen(keys[i]); |
| 23 | if (strncmp(keys[i], s, l)) continue; |
| 24 | if (s[l] == '=') |
| 25 | *val = s + l; |
| 26 | else if (s[l]) continue; |
| 27 | return i; |
| 28 | } |
| 29 | return -1; |
| 30 | } |