diff options
Diffstat (limited to 'Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/fakepng.c')
-rw-r--r-- | Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/fakepng.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/fakepng.c b/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/fakepng.c deleted file mode 100644 index ba360d15a20..00000000000 --- a/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/fakepng.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Fake a PNG - just write it out directly. */ -#include <stdio.h> -#include <zlib.h> /* for crc32 */ - -void -put_uLong(uLong val) -{ - putchar(val >> 24); - putchar(val >> 16); - putchar(val >> 8); - putchar(val >> 0); -} - -void -put_chunk(const unsigned char *chunk, uInt length) -{ - uLong crc; - - put_uLong(length-4); /* Exclude the tag */ - - fwrite(chunk, length, 1, stdout); - - crc = crc32(0, Z_NULL, 0); - put_uLong(crc32(crc, chunk, length)); -} - -const unsigned char signature[] = -{ - 137, 80, 78, 71, 13, 10, 26, 10 -}; - -const unsigned char IHDR[] = -{ - 73, 72, 68, 82, /* IHDR */ - 0, 0, 0, 1, /* width */ - 0, 0, 0, 1, /* height */ - 1, /* bit depth */ - 0, /* color type: greyscale */ - 0, /* compression method */ - 0, /* filter method */ - 0 /* interlace method: none */ -}; - -const unsigned char unknown[] = -{ - 'u', 'n', 'K', 'n' /* "unKn" - private safe to copy */ -}; - -int -main(void) -{ - fwrite(signature, sizeof signature, 1, stdout); - put_chunk(IHDR, sizeof IHDR); - - for(;;) - put_chunk(unknown, sizeof unknown); -} |