added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 28 insertions, 0 deletions

diff --git a/trunk/missing/strchr.c b/trunk/missing/strchr.c
new file mode 100644
index 0000000000..bebd7ba578
--- /dev/null
+++ b/trunk/missing/strchr.c
@@ -0,0 +1,28 @@
+/* public domain rewrite of strchr(3) and strrchr(3) */
+
+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;
+}