Add has_extension()

diff --git a/git-compat-util.h b/git-compat-util.h
index 3bcf5b13f2c7bab387b02bd3075629a9d14c5feb..dd9209365253971c70db772929fb4541f1c609b2 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -139,6 +139,12 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
        }
 }
 
+static inline int has_extension(const char *filename, int len, const char *ext)
+{
+       int extlen = strlen(ext);
+       return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
+}
+
 /* Sane ctype - no locale, and works with signed chars */
 #undef isspace
 #undef isdigit