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| author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-02-27 23:11:46 +0000 |
|---|---|---|
| committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-02-27 23:11:46 +0000 |
| commit | 589a76ea96e1153a3d4c30a09ecb6b54546d3bf8 (patch) | |
| tree | d195ae4d64f3aceb80155db370aff1357911fabe /libc | |
| parent | 3ac8d1c87995eda84764e4239218d24f81e8e6a9 (diff) | |
| download | uClibc-alpine-589a76ea96e1153a3d4c30a09ecb6b54546d3bf8.tar.bz2 uClibc-alpine-589a76ea96e1153a3d4c30a09ecb6b54546d3bf8.tar.xz | |
Copy from trunk.
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/unistd/getsubopt-susv3.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/unistd/getsubopt-susv3.c b/libc/unistd/getsubopt-susv3.c new file mode 100644 index 000000000..464223c42 --- /dev/null +++ b/libc/unistd/getsubopt-susv3.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2006 Rich Felker <dalias@aerifal.cx> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <stdlib.h> +#include <string.h> + +libc_hidden_proto(strchr) +libc_hidden_proto(strlen) +libc_hidden_proto(strncmp) + +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; +} |