[PATCH] git-compat-util.h:rewrite skip_prefix() as loop

From

Siddharth Goel <siddharth98391@gmail.com>

Date

Mar 1, 2014, 13:32 UTC

Message-ID

<1393680724-19983-1-git-send-email-siddharth98391@gmail.com>

Rewrote skip_prefix() function so that prefix is scanned once.

Signed-off-by: Siddharth Goel <siddharth98391@gmail.com>
---
 git-compat-util.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/git-compat-util.h b/git-compat-util.h
index 614a5e9..550dce3 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -357,8 +357,11 @@ extern int suffixcmp(const char *str, const char *suffix);
 
 static inline const char *skip_prefix(const char *str, const char *prefix)
 {
-	size_t len = strlen(prefix);
-	return strncmp(str, prefix, len) ? NULL : str + len;
+	while (*prefix != '\0' && *str == *prefix) {
+		str++;
+		prefix++;
+	}
+	return (*prefix == '\0' ? str : NULL);
 }
 
 #if defined(NO_MMAP) || defined(USE_WIN32_MMAP)

-- 
1.9.0.138.g2de3478.dirty