summaryrefslogtreecommitdiffstats
path: root/libc-top-half/musl/src/string/strerror_r.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc-top-half/musl/src/string/strerror_r.c')
-rw-r--r--libc-top-half/musl/src/string/strerror_r.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/string/strerror_r.c b/libc-top-half/musl/src/string/strerror_r.c
new file mode 100644
index 0000000..1dc88bb
--- /dev/null
+++ b/libc-top-half/musl/src/string/strerror_r.c
@@ -0,0 +1,19 @@
+#include <string.h>
+#include <errno.h>
+
+int strerror_r(int err, char *buf, size_t buflen)
+{
+ char *msg = strerror(err);
+ size_t l = strlen(msg);
+ if (l >= buflen) {
+ if (buflen) {
+ memcpy(buf, msg, buflen-1);
+ buf[buflen-1] = 0;
+ }
+ return ERANGE;
+ }
+ memcpy(buf, msg, l+1);
+ return 0;
+}
+
+weak_alias(strerror_r, __xpg_strerror_r);