libfdt port and the required libc functions

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/libc/string/strchr.c b/lib/libc/string/strchr.c
new file mode 100644
index 0000000..09b4d43
--- /dev/null
+++ b/lib/libc/string/strchr.c
@@ -0,0 +1,20 @@
+#include <string.h>
+
+char *strchr(const char *s, int c) {
+	do {
+		if ((char)c == *s) {
+			return (char*)s;
+		}
+	} while (*s++ != '\0');
+	return NULL;
+}
+
+char *strrchr(const char *s, int c)
+{
+	const char *last = NULL;
+	do {
+		if (*s == (char)c)
+			last = s;
+	} while (*s++);
+	return (char *)last;
+}