string: add strchr function

Signed-off-by: Martin Mazein <[email protected]> Signed-off-by: Deepak Gupta <[email protected]>
KernelTestFramework · Aug 26, 2020 · 35c171f · 35c171f
1 parent 67660ec
commit 35c171f
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/include/string.h b/include/string.h
@@ -148,6 +148,19 @@ static inline int strcmp(const char *s1, const char *s2) {
     return res;
 }
 
+static inline char *strchr(const char *s, int c) {
+    if (NULL == s)
+        return NULL;
+
+    while (*s != (char) c) {
+        if ('\0' == *s)
+            return NULL;
+        s++;
+    }
+
+    return (char *) s;
+}
+
 static inline int strncmp(const char *s1, const char *s2, size_t n) {
     register char res;