1 files changed, 32 insertions, 0 deletions
diff --git a/missing/strchr.c b/missing/strchr.c
new file mode 100644
index 0000000000..465f07b61e
--- /dev/null
+++ b/missing/strchr.c
@@ -0,0 +1,32 @@
+/* public domain rewrite of strchr(3) and strrchr(3) */
+
+#include "ruby/missing.h"
+
+size_t strlen(const char*);
+
+char *
+strchr(const char *s, int c)
+{
+    if (c == 0) return (char *)s + strlen(s);
+    while (*s) {
+	if (*s == c)
+	    return (char *)s;
+	s++;
+    }
+    return 0;
+}
+
+char *
+strrchr(const char *s, int c)
+{
+    const char *save;
+
+    if (c == 0) return (char *)s + strlen(s);
+    save = 0;
+    while (*s) {
+	if (*s == c)
+	    save = s;
+	s++;
+    }
+    return (char *)save;
+}