diff options
Diffstat (limited to 'Build/source/libs/libpng/libpng-1.6.2/contrib/tools/checksum-icc.c')
-rw-r--r-- | Build/source/libs/libpng/libpng-1.6.2/contrib/tools/checksum-icc.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.2/contrib/tools/checksum-icc.c b/Build/source/libs/libpng/libpng-1.6.2/contrib/tools/checksum-icc.c deleted file mode 100644 index 581e7088a62..00000000000 --- a/Build/source/libs/libpng/libpng-1.6.2/contrib/tools/checksum-icc.c +++ /dev/null @@ -1,102 +0,0 @@ -/* checksum-icc.c - * - * Copyright (c) 2013 John Cunningham Bowler - * - * Last changed in libpng 1.6.0 [February 14, 2013] - * - * This code is released under the libpng license. - * For conditions of distribution and use, see the disclaimer - * and license in png.h - * - * Generate crc32 and adler32 checksums of the given input files, used to - * generate check-codes for use when matching ICC profiles within libpng. - */ -#include <stdio.h> - -#include <zlib.h> - -static int -read_one_file(FILE *ip, const char *name) -{ - uLong length = 0; - uLong a32 = adler32(0, NULL, 0); - uLong c32 = crc32(0, NULL, 0); - Byte header[132]; - - for (;;) - { - int ch = getc(ip); - Byte b; - - if (ch == EOF) break; - - b = (Byte)ch; - - if (length < sizeof header) - header[length] = b; - - ++length; - a32 = adler32(a32, &b, 1); - c32 = crc32(c32, &b, 1); - } - - if (ferror(ip)) - return 0; - - /* Success */ - printf("PNG_ICC_CHECKSUM(0x%8.8lx, 0x%8.8lx,\n PNG_MD5(" - "0x%2.2x%2.2x%2.2x%2.2x, 0x%2.2x%2.2x%2.2x%2.2x, 0x%2.2x%2.2x%2.2x%2.2x," - " 0x%2.2x%2.2x%2.2x%2.2x), %d,\n" - " \"%4.4d/%2.2d/%2.2d %2.2d:%2.2d:%2.2d\", %lu, \"%s\")\n", - (unsigned long)a32, (unsigned long)c32, - header[84], header[85], header[86], header[87], - header[88], header[89], header[90], header[91], - header[92], header[93], header[94], header[95], - header[96], header[97], header[98], header[99], -# define u16(x) (header[x] * 256 + header[x+1]) -# define u32(x) (u16(x) * 65536 + u16(x+2)) - u32(64), u16(24), u16(26), u16(28), u16(30), u16(32), u16(34), - (unsigned long)length, name); - - return 1; -} - -int main(int argc, char **argv) -{ - int err = 0; - - printf("/* adler32, crc32, MD5[16], intent, date, length, file-name */\n"); - - if (argc > 1) - { - int i; - - for (i=1; i<argc; ++i) - { - FILE *ip = fopen(argv[i], "rb"); - - if (ip == NULL || !read_one_file(ip, argv[i])) - { - err = 1; - perror(argv[i]); - fprintf(stderr, "%s: read error\n", argv[i]); - printf("/* ERROR: %s */\n", argv[i]); - } - - (void)fclose(ip); - } - } - - else - { - if (!read_one_file(stdin, "-")) - { - err = 1; - perror("stdin"); - fprintf(stderr, "stdin: read error\n"); - printf("/* ERROR: stdin */\n"); - } - } - - return err; -} |