diff options
Diffstat (limited to 'src/misc/getsubopt.c')
-rw-r--r-- | src/misc/getsubopt.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/misc/getsubopt.c b/src/misc/getsubopt.c new file mode 100644 index 0000000..dac9bf9 --- /dev/null +++ b/src/misc/getsubopt.c @@ -0,0 +1,23 @@ +#include <stdlib.h> +#include <string.h> + +int getsubopt(char **opt, char *const *keys, char **val) +{ + char *s = *opt; + int i; + + *val = NULL; + *opt = strchr(s, ','); + if (*opt) *(*opt)++ = 0; + else *opt = s + strlen(s); + + for (i=0; keys[i]; i++) { + size_t l = strlen(keys[i]); + if (strncmp(keys[i], s, l)) continue; + if (s[l] == '=') + *val = s + l; + else if (s[l]) continue; + return i; + } + return -1; +} |