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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/misc/getsubopt.c
parentInitial commit. (diff)
downloadwasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz
wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/misc/getsubopt.c')
-rw-r--r--libc-top-half/musl/src/misc/getsubopt.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/misc/getsubopt.c b/libc-top-half/musl/src/misc/getsubopt.c
new file mode 100644
index 0000000..53ee957
--- /dev/null
+++ b/libc-top-half/musl/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 + 1;
+ else if (s[l]) continue;
+ return i;
+ }
+ return -1;
+}