Faster versions of string_is_equal and string_is_equal_case_insensitive

Author: LibretroAdmin

libretro-common/include/string/stdstring.h

@@ -64,7 +64,11 @@ static INLINE bool string_is_empty(const char *data)
 
 static INLINE bool string_is_equal(const char *a, const char *b)
 {
-   return (a && b) ? !strcmp(a, b) : false;
+   if (a == b)
+      return true;
+   if (!a || !b)
+      return false;
+   return !strcmp(a, b);
 }
 
 static INLINE bool string_starts_with_size(const char *str, const char *prefix,
@@ -109,24 +113,14 @@ static INLINE size_t strlen_size(const char *str, size_t len)
    return i;
 }
 
-
 static INLINE bool string_is_equal_case_insensitive(const char *a,
       const char *b)
 {
-   int result              = 0;
-   const unsigned char *p1 = (const unsigned char*)a;
-   const unsigned char *p2 = (const unsigned char*)b;
-
+   if (a == b)
+      return true;
    if (!a || !b)
       return false;
-   if (p1 == p2)
-      return true;
-
-   while ((result = tolower (*p1) - tolower (*p2++)) == 0)
-      if (*p1++ == '\0')
-         break;
-
-   return (result == 0);
+   return strcasecmp(a, b) == 0;
 }
 
 static INLINE bool string_starts_with_case_insensitive(const char *str,