Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/gumbo-parser/src/util.c @ 43:202a1f38a622

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FIX: New added code snippets did not yet account for the changed return values from "_fromto()"
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:15:08 +0200
parents b50eed0cc0ef
children
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1 // Copyright 2010 Google Inc. All Rights Reserved.
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2 //
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3 // Licensed under the Apache License, Version 2.0 (the "License");
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4 // you may not use this file except in compliance with the License.
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5 // You may obtain a copy of the License at
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6 //
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7 // http://www.apache.org/licenses/LICENSE-2.0
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8 //
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9 // Unless required by applicable law or agreed to in writing, software
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10 // distributed under the License is distributed on an "AS IS" BASIS,
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11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 // See the License for the specific language governing permissions and
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13 // limitations under the License.
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14 //
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15 // Author: jdtang@google.com (Jonathan Tang)
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17 #include "util.h"
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19 #include <assert.h>
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20 #include <stdlib.h>
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21 #include <string.h>
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22 #include <strings.h>
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23 #include <stdarg.h>
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24 #include <stdio.h>
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26 #include "gumbo.h"
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27 #include "parser.h"
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29 // TODO(jdtang): This should be elsewhere, but there's no .c file for
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30 // SourcePositions and yet the constant needs some linkage, so this is as good
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31 // as any.
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32 const GumboSourcePosition kGumboEmptySourcePosition = {0, 0, 0};
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34 void* gumbo_parser_allocate(GumboParser* parser, size_t num_bytes) {
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35 return parser->_options->allocator(parser->_options->userdata, num_bytes);
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36 }
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38 void gumbo_parser_deallocate(GumboParser* parser, void* ptr) {
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39 parser->_options->deallocator(parser->_options->userdata, ptr);
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40 }
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42 char* gumbo_copy_stringz(GumboParser* parser, const char* str) {
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43 char* buffer = gumbo_parser_allocate(parser, strlen(str) + 1);
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44 strcpy(buffer, str);
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45 return buffer;
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46 }
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48 // Debug function to trace operation of the parser. Pass --copts=-DGUMBO_DEBUG
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49 // to use.
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50 void gumbo_debug(const char* format, ...) {
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51 #ifdef GUMBO_DEBUG
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52 va_list args;
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53 va_start(args, format);
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54 vprintf(format, args);
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55 va_end(args);
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56 fflush(stdout);
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57 #endif
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58 }