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Diffstat (limited to 'Build/source/utils/asymptote/cudareflect/tinyexr/deps/miniz/examples/example4.c')
-rw-r--r-- | Build/source/utils/asymptote/cudareflect/tinyexr/deps/miniz/examples/example4.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/cudareflect/tinyexr/deps/miniz/examples/example4.c b/Build/source/utils/asymptote/cudareflect/tinyexr/deps/miniz/examples/example4.c new file mode 100644 index 00000000000..3f2d7cf1ede --- /dev/null +++ b/Build/source/utils/asymptote/cudareflect/tinyexr/deps/miniz/examples/example4.c @@ -0,0 +1,102 @@ +// example4.c - Uses tinfl.c to decompress a zlib stream in memory to an output file +// Public domain, May 15 2011, Rich Geldreich, richgel99@gmail.com. See "unlicense" statement at the end of tinfl.c. +#include "miniz.h" +#include <stdio.h> +#include <limits.h> + +typedef unsigned char uint8; +typedef unsigned short uint16; +typedef unsigned int uint; + +#define my_max(a,b) (((a) > (b)) ? (a) : (b)) +#define my_min(a,b) (((a) < (b)) ? (a) : (b)) + +static int tinfl_put_buf_func(const void* pBuf, int len, void *pUser) +{ + return len == (int)fwrite(pBuf, 1, len, (FILE*)pUser); +} + +int main(int argc, char *argv[]) +{ + int status; + FILE *pInfile, *pOutfile; + uint infile_size, outfile_size; + size_t in_buf_size; + uint8 *pCmp_data; + long file_loc; + + if (argc != 3) + { + printf("Usage: example4 infile outfile\n"); + printf("Decompresses zlib stream in file infile to file outfile.\n"); + printf("Input file must be able to fit entirely in memory.\n"); + printf("example3 can be used to create compressed zlib streams.\n"); + return EXIT_FAILURE; + } + + // Open input file. + pInfile = fopen(argv[1], "rb"); + if (!pInfile) + { + printf("Failed opening input file!\n"); + return EXIT_FAILURE; + } + + // Determine input file's size. + fseek(pInfile, 0, SEEK_END); + file_loc = ftell(pInfile); + fseek(pInfile, 0, SEEK_SET); + + if ((file_loc < 0) || (file_loc > INT_MAX)) + { + // This is not a limitation of miniz or tinfl, but this example. + printf("File is too large to be processed by this example.\n"); + return EXIT_FAILURE; + } + + infile_size = (uint)file_loc; + + pCmp_data = (uint8 *)malloc(infile_size); + if (!pCmp_data) + { + printf("Out of memory!\n"); + return EXIT_FAILURE; + } + if (fread(pCmp_data, 1, infile_size, pInfile) != infile_size) + { + printf("Failed reading input file!\n"); + return EXIT_FAILURE; + } + + // Open output file. + pOutfile = fopen(argv[2], "wb"); + if (!pOutfile) + { + printf("Failed opening output file!\n"); + return EXIT_FAILURE; + } + + printf("Input file size: %u\n", infile_size); + + in_buf_size = infile_size; + status = tinfl_decompress_mem_to_callback(pCmp_data, &in_buf_size, tinfl_put_buf_func, pOutfile, TINFL_FLAG_PARSE_ZLIB_HEADER); + if (!status) + { + printf("tinfl_decompress_mem_to_callback() failed with status %i!\n", status); + return EXIT_FAILURE; + } + + outfile_size = ftell(pOutfile); + + fclose(pInfile); + if (EOF == fclose(pOutfile)) + { + printf("Failed writing to output file!\n"); + return EXIT_FAILURE; + } + + printf("Total input bytes: %u\n", (uint)in_buf_size); + printf("Total output bytes: %u\n", outfile_size); + printf("Success.\n"); + return EXIT_SUCCESS; +} |