1 files changed, 47 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/errno/strerror.c b/libc-top-half/musl/src/errno/strerror.c
new file mode 100644
index 0000000..7f92643
--- /dev/null
+++ b/libc-top-half/musl/src/errno/strerror.c
@@ -0,0 +1,47 @@
+#include <errno.h>
+#include <stddef.h>
+#include <string.h>
+#include "locale_impl.h"
+
+/* mips has one error code outside of the 8-bit range due to a
+ * historical typo, so we just remap it. */
+#if EDQUOT==1133
+#define EDQUOT_ORIG 1133
+#undef  EDQUOT
+#define EDQUOT 109
+#endif
+
+static const struct errmsgstr_t {
+#define E(n, s) char str##n[sizeof(s)];
+#include "__strerror.h"
+#undef E
+} errmsgstr = {
+#define E(n, s) s,
+#include "__strerror.h"
+#undef E
+};
+
+static const unsigned short errmsgidx[] = {
+#define E(n, s) [n] = offsetof(struct errmsgstr_t, str##n),
+#include "__strerror.h"
+#undef E
+};
+
+char *__strerror_l(int e, locale_t loc)
+{
+	const char *s;
+#ifdef EDQUOT_ORIG
+	if (e==EDQUOT) e=0;
+	else if (e==EDQUOT_ORIG) e=EDQUOT;
+#endif
+	if (e >= sizeof errmsgidx / sizeof *errmsgidx) e = 0;
+	s = (char *)&errmsgstr + errmsgidx[e];
+	return (char *)LCTRANS(s, LC_MESSAGES, loc);
+}
+
+char *strerror(int e)
+{
+	return __strerror_l(e, CURRENT_LOCALE);
+}
+
+weak_alias(__strerror_l, strerror_l);