remove not so useful starts_with()

replace its only usage with strncmp().  it's likely faster too.

3 files changed, 1 insertions, 16 deletions

diff --git a/gmid.h b/gmid.h
index 64cbc3b..a5fb2e7 100644
--- a/gmid.h
+++ b/gmid.h
@@ -453,7 +453,6 @@ int		 puny_decode(const char*, char*, size_t, const char**);
 
 /* utils.c */
 const char	*strip_path(const char *, int);
-int		 starts_with(const char*, const char*);
 int		 ends_with(const char*, const char*);
 char		*absolutify_path(const char*);
 char		*xstrdup(const char*);
diff --git a/puny.c b/puny.c
index 7c3c92e..e6ea438 100644
--- a/puny.c
+++ b/puny.c
@@ -151,7 +151,7 @@ decode(const char *str, char *out, size_t len, const char **err)
 	unsigned int numpoints;
 	const char *s;
 
-	if (!starts_with(str, "xn--")) {
+	if (strncmp(str, "xn--", 4) != 0) {
 		strncpy(out, str, len);
 		return 1;
 	}
diff --git a/utils.c b/utils.c
index 4485f89..f75fa1c 100644
--- a/utils.c
+++ b/utils.c
@@ -47,20 +47,6 @@ strip_path(const char *path, int strip)
 }
 
 int
-starts_with(const char *str, const char *prefix)
-{
-	size_t i;
-
-	if (prefix == NULL)
-		return 0;
-
-	for (i = 0; prefix[i] != '\0'; ++i)
-		if (str[i] != prefix[i])
-			return 0;
-	return 1;
-}
-
-int
 ends_with(const char *str, const char *sufx)
 {
 	size_t i, j;