libmicrohttpd

commit edb98b9a34d404f9c22aa40628319c4b53865b84
parent 5a5e402b11c2b696f3f49665af2e30eb4bc056c3
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Fri, 30 Apr 2021 17:01:42 +0300

mhd_str: minor optimization

Diffstat:
M
src/microhttpd/mhd_str.c
 | 
29
+++++++++++++++++++++--------

1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/src/microhttpd/mhd_str.c b/src/microhttpd/mhd_str.c
@@ -350,11 +350,16 @@ MHD_str_equal_caseless_ (const char *str1,
   {
     const char c1 = *str1;
     const char c2 = *str2;
-    if ( (c1 != c2) &&
-         (toasciilower (c1) != toasciilower (c2)) )
+    if ( (c1 == c2) ||
+         (isasciiupper (c1) ?
+          ((c1 - 'A' + 'a') == c2) :
+          (isasciiupper (c2) && (c1 == (c2 - 'A' + 'a')))) )
+    {
+      str1++;
+      str2++;
+    }
+    else
       return 0;
-    str1++;
-    str2++;
   }
   return 0 == (*str2);
 }
@@ -387,8 +392,12 @@ MHD_str_equal_caseless_n_ (const char *const str1,
     const char c2 = str2[i];
     if (0 == c2)
       return 0 == c1;
-    if ( (c1 != c2) &&
-         (toasciilower (c1) != toasciilower (c2)) )
+    if ( (c1 == c2) ||
+         (isasciiupper (c1) ?
+          ((c1 - 'A' + 'a') == c2) :
+          (isasciiupper (c2) && (c1 == (c2 - 'A' + 'a')))) )
+      continue;
+    else
       return 0;
   }
   return ! 0;
@@ -415,8 +424,12 @@ MHD_str_equal_caseless_bin_n_ (const char *const str1,
   {
     const char c1 = str1[i];
     const char c2 = str2[i];
-    if ( (c1 != c2) &&
-         (toasciilower (c1) != toasciilower (c2)) )
+    if ( (c1 == c2) ||
+         (isasciiupper (c1) ?
+          ((c1 - 'A' + 'a') == c2) :
+          (isasciiupper (c2) && (c1 == (c2 - 'A' + 'a')))) )
+      continue;
+    else
       return 0;
   }
   return ! 0;