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Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 7 months ago
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1 /* 1 /*
2 * jinclude.h 2 * jinclude.h
3 * 3 *
4 * This file was part of the Independent JPEG Group's software:
4 * Copyright (C) 1991-1994, Thomas G. Lane. 5 * Copyright (C) 1991-1994, Thomas G. Lane.
5 * This file is part of the Independent JPEG Group's software. 6 * It was modified by The libjpeg-turbo Project to include only code relevant
6 * For conditions of distribution and use, see the accompanying README file. 7 * to libjpeg-turbo.
8 * For conditions of distribution and use, see the accompanying README.ijg
9 * file.
7 * 10 *
8 * This file exists to provide a single place to fix any problems with 11 * This file exists to provide a single place to fix any problems with
9 * including the wrong system include files. (Common problems are taken 12 * including the wrong system include files. (Common problems are taken
10 * care of by the standard jconfig symbols, but on really weird systems 13 * care of by the standard jconfig symbols, but on really weird systems
11 * you may have to edit this file.) 14 * you may have to edit this file.)
12 * 15 *
13 * NOTE: this file is NOT intended to be included by applications using the 16 * NOTE: this file is NOT intended to be included by applications using the
14 * JPEG library. Most applications need only include jpeglib.h. 17 * JPEG library. Most applications need only include jpeglib.h.
15 */ 18 */
16 19
17 20
18 /* Include auto-config file to find out which system include files we need. */ 21 /* Include auto-config file to find out which system include files we need. */
19 22
20 #include "jconfig.h"» » /* auto configuration options */ 23 #include "jconfig.h" /* auto configuration options */
21 #define JCONFIG_INCLUDED» /* so that jpeglib.h doesn't do it again */ 24 #define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */
22 25
23 /* 26 /*
24 * We need the NULL macro and size_t typedef. 27 * We need the NULL macro and size_t typedef.
25 * On an ANSI-conforming system it is sufficient to include <stddef.h>. 28 * On an ANSI-conforming system it is sufficient to include <stddef.h>.
26 * Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to 29 * Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to
27 * pull in <sys/types.h> as well. 30 * pull in <sys/types.h> as well.
28 * Note that the core JPEG library does not require <stdio.h>; 31 * Note that the core JPEG library does not require <stdio.h>;
29 * only the default error handler and data source/destination modules do. 32 * only the default error handler and data source/destination modules do.
30 * But we must pull it in because of the references to FILE in jpeglib.h. 33 * But we must pull it in because of the references to FILE in jpeglib.h.
31 * You can remove those references if you want to compile without <stdio.h>. 34 * You can remove those references if you want to compile without <stdio.h>.
(...skipping 19 matching lines...) Expand all
51 * BSD doesn't have the mem() functions, but it does have bcopy()/bzero(). 54 * BSD doesn't have the mem() functions, but it does have bcopy()/bzero().
52 * Some systems may declare memset and memcpy in <memory.h>. 55 * Some systems may declare memset and memcpy in <memory.h>.
53 * 56 *
54 * NOTE: we assume the size parameters to these functions are of type size_t. 57 * NOTE: we assume the size parameters to these functions are of type size_t.
55 * Change the casts in these macros if not! 58 * Change the casts in these macros if not!
56 */ 59 */
57 60
58 #ifdef NEED_BSD_STRINGS 61 #ifdef NEED_BSD_STRINGS
59 62
60 #include <strings.h> 63 #include <strings.h>
61 #define MEMZERO(target,size)» bzero((void *)(target), (size_t)(size)) 64 #define MEMZERO(target,size) bzero((void *)(target), (size_t)(size))
62 #define MEMCOPY(dest,src,size)» bcopy((const void *)(src), (void *)(dest), (size _t)(size)) 65 #define MEMCOPY(dest,src,size) bcopy((const void *)(src), (void *)(dest), (size _t)(size))
63 66
64 #else /* not BSD, assume ANSI/SysV string lib */ 67 #else /* not BSD, assume ANSI/SysV string lib */
65 68
66 #include <string.h> 69 #include <string.h>
67 #define MEMZERO(target,size)» memset((void *)(target), 0, (size_t)(size)) 70 #define MEMZERO(target,size) memset((void *)(target), 0, (size_t)(size))
68 #define MEMCOPY(dest,src,size)» memcpy((void *)(dest), (const void *)(src), (siz e_t)(size)) 71 #define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (siz e_t)(size))
69 72
70 #endif 73 #endif
71 74
72 /* 75 /*
73 * In ANSI C, and indeed any rational implementation, size_t is also the
74 * type returned by sizeof(). However, it seems there are some irrational
75 * implementations out there, in which sizeof() returns an int even though
76 * size_t is defined as long or unsigned long. To ensure consistent results
77 * we always use this SIZEOF() macro in place of using sizeof() directly.
78 */
79
80 #define SIZEOF(object) ((size_t) sizeof(object))
81
82 /*
83 * The modules that use fread() and fwrite() always invoke them through 76 * The modules that use fread() and fwrite() always invoke them through
84 * these macros. On some systems you may need to twiddle the argument casts. 77 * these macros. On some systems you may need to twiddle the argument casts.
85 * CAUTION: argument order is different from underlying functions! 78 * CAUTION: argument order is different from underlying functions!
86 */ 79 */
87 80
88 #define JFREAD(file,buf,sizeofbuf) \ 81 #define JFREAD(file,buf,sizeofbuf) \
89 ((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file))) 82 ((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file)))
90 #define JFWRITE(file,buf,sizeofbuf) \ 83 #define JFWRITE(file,buf,sizeofbuf) \
91 ((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file ))) 84 ((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file )))
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