source:
azure_iot_hub/trunk/musl-1.1.18/src/misc/getsubopt.c
Last change on this file was 389, checked in by , 5 years ago | |
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File size: 412 bytes |
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1 | #include <stdlib.h> |
2 | #include <string.h> |
3 | |
4 | int getsubopt(char **opt, char *const *keys, char **val) |
5 | { |
6 | char *s = *opt; |
7 | int i; |
8 | |
9 | *val = NULL; |
10 | *opt = strchr(s, ','); |
11 | if (*opt) *(*opt)++ = 0; |
12 | else *opt = s + strlen(s); |
13 | |
14 | for (i=0; keys[i]; i++) { |
15 | size_t l = strlen(keys[i]); |
16 | if (strncmp(keys[i], s, l)) continue; |
17 | if (s[l] == '=') |
18 | *val = s + l + 1; |
19 | else if (s[l]) continue; |
20 | return i; |
21 | } |
22 | return -1; |
23 | } |
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