str.c: fix str_cmp and add str_eq

Signed-off-by: Lizzy Fleckenstein <lizzy@vlhl.dev>

1 files changed, 15 insertions, 3 deletions

diff --git a/src/str.c b/src/str.c
index 4f6d5c7..e14591d 100644
--- a/src/str.c
+++ b/src/str.c
@@ -6,12 +6,24 @@
 #include <string.h>
 #include "str.h"
 
-int str_cmp(str s1, str s2)
+bool str_eq(str s1, str s2)
 {
 	if (s1.len != s2.len)
-		return (int) s1.len - (int) s2.len;
+		return false;
+
+	return memcmp(s1.data, s2.data, s1.len) == 0;
+}
+
 
-	return memcmp(s1.data, s2.data, s1.len);
+int str_cmp(str s1, str s2)
+{
+	size_t min_len = s1.len < s2.len ? s1.len : s2.len;
+	int cmp = memcmp(s1.data, s2.data, min_len);
+
+	if (cmp == 0)
+		return (int) s1.len - (int) s2.len;
+	else
+		return cmp;
 }
 
 static bool match_char(char c, str tokens)