Migrate to using musl 0.9.13 strtok and strtok_r for better asm.js performance.

2 files changed, 25 insertions, 0 deletions

diff --git a/system/lib/libc/musl/src/string/strtok.c b/system/lib/libc/musl/src/string/strtok.c
new file mode 100644
index 00000000..35087902
--- /dev/null
+++ b/system/lib/libc/musl/src/string/strtok.c
@@ -0,0 +1,13 @@
+#include <string.h>
+
+char *strtok(char *restrict s, const char *restrict sep)
+{
+	static char *p;
+	if (!s && !(s = p)) return NULL;
+	s += strspn(s, sep);
+	if (!*s) return p = 0;
+	p = s + strcspn(s, sep);
+	if (*p) *p++ = 0;
+	else p = 0;
+	return s;
+}
diff --git a/system/lib/libc/musl/src/string/strtok_r.c b/system/lib/libc/musl/src/string/strtok_r.c
new file mode 100644
index 00000000..862d4fe4
--- /dev/null
+++ b/system/lib/libc/musl/src/string/strtok_r.c
@@ -0,0 +1,12 @@
+#include <string.h>
+
+char *strtok_r(char *restrict s, const char *restrict sep, char **restrict p)
+{
+	if (!s && !(s = *p)) return NULL;
+	s += strspn(s, sep);
+	if (!*s) return *p = 0;
+	*p = s + strcspn(s, sep);
+	if (**p) *(*p)++ = 0;
+	else *p = 0;
+	return s;
+}