1 // Copyright 2010 Google Inc. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 // Author: jdtang@google.com (Jonathan Tang)
16 
17 #include "string_piece.h"
18 
19 #include <assert.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include <strings.h>
23 
24 #include "util.h"
25 
26 struct GumboInternalParser;
27 
28 const GumboStringPiece kGumboEmptyString = { NULL, 0 };
29 
gumbo_string_equals(const GumboStringPiece * str1,const GumboStringPiece * str2)30 bool gumbo_string_equals(
31     const GumboStringPiece* str1, const GumboStringPiece* str2) {
32   return str1->length == str2->length &&
33       !memcmp(str1->data, str2->data, str1->length);
34 }
35 
gumbo_string_equals_ignore_case(const GumboStringPiece * str1,const GumboStringPiece * str2)36 bool gumbo_string_equals_ignore_case(
37     const GumboStringPiece* str1, const GumboStringPiece* str2) {
38   return str1->length == str2->length &&
39       !strncasecmp(str1->data, str2->data, str1->length);
40 }
41 
gumbo_string_copy(GumboStringPiece * dest,const GumboStringPiece * source)42 void gumbo_string_copy(GumboStringPiece* dest, const GumboStringPiece* source) {
43   dest->length = source->length;
44   char* buffer = gumbo_malloc(source->length);
45   memcpy(buffer, source->data, source->length);
46   dest->data = buffer;
47 }
48