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Diffstat (limited to 'Build/source/libs/libpng/libpng-1.6.1/contrib/libtests/timepng.c')
-rw-r--r--Build/source/libs/libpng/libpng-1.6.1/contrib/libtests/timepng.c303
1 files changed, 0 insertions, 303 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.1/contrib/libtests/timepng.c b/Build/source/libs/libpng/libpng-1.6.1/contrib/libtests/timepng.c
deleted file mode 100644
index 523627f3843..00000000000
--- a/Build/source/libs/libpng/libpng-1.6.1/contrib/libtests/timepng.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/* timepng.c
- *
- * Copyright (c) 2013 John Cunningham Bowler
- *
- * Last changed in libpng 1.6.1 [March 28, 2013]
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- *
- * Load an arbitrary number of PNG files (from the command line, or, if there
- * are no arguments on the command line, from stdin) then run a time test by
- * reading each file by row. The test does nothing with the read result and
- * does no transforms. The only output is a time as a floating point number of
- * seconds with 9 decimal digits.
- */
-#define _POSIX_C_SOURCE 199309L /* for clock_gettime */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <time.h>
-
-#if defined(HAVE_CONFIG_H) && !defined(PNG_NO_CONFIG_H)
-# include <config.h>
-#endif
-
-/* Define the following to use this test against your installed libpng, rather
- * than the one being built here:
- */
-#ifdef PNG_FREESTANDING_TESTS
-# include <png.h>
-#else
-# include "../../png.h"
-#endif
-
-static int read_png(FILE *fp)
-{
- png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,0,0,0);
- png_infop info_ptr = NULL;
- png_bytep row = NULL, display = NULL;
-
- if (png_ptr == NULL)
- return 0;
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (row != NULL) free(row);
- if (display != NULL) free(display);
- return 0;
- }
-
- png_init_io(png_ptr, fp);
-
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
- png_error(png_ptr, "OOM allocating info structure");
-
- png_read_info(png_ptr, info_ptr);
-
- {
- png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr);
-
- row = malloc(rowbytes);
- display = malloc(rowbytes);
-
- if (row == NULL || display == NULL)
- png_error(png_ptr, "OOM allocating row buffers");
-
- {
- png_uint_32 height = png_get_image_height(png_ptr, info_ptr);
- int passes = png_set_interlace_handling(png_ptr);
- int pass;
-
- png_start_read_image(png_ptr);
-
- for (pass = 0; pass < passes; ++pass)
- {
- png_uint_32 y = height;
-
- /* NOTE: this trashes the row each time; interlace handling won't
- * work, but this avoids memory thrashing for speed testing.
- */
- while (y-- > 0)
- png_read_row(png_ptr, row, display);
- }
- }
- }
-
- /* Make sure to read to the end of the file: */
- png_read_end(png_ptr, info_ptr);
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- free(row);
- free(display);
- return 1;
-}
-
-static int mytime(struct timespec *t)
-{
- /* Do the timing using clock_gettime and the per-process timer. */
- if (!clock_gettime(CLOCK_PROCESS_CPUTIME_ID, t))
- return 1;
-
- perror("CLOCK_PROCESS_CPUTIME_ID");
- fprintf(stderr, "timepng: could not get the time\n");
- return 0;
-}
-
-static int perform_one_test(FILE *fp, int nfiles)
-{
- int i;
- struct timespec before, after;
-
- /* Clear out all errors: */
- rewind(fp);
-
- if (mytime(&before))
- {
- for (i=0; i<nfiles; ++i)
- {
- if (read_png(fp))
- {
- if (ferror(fp))
- {
- perror("temporary file");
- fprintf(stderr, "file %d: error reading PNG data\n", i);
- return 0;
- }
- }
-
- else
- {
- perror("temporary file");
- fprintf(stderr, "file %d: error from libpng\n", i);
- return 0;
- }
- }
- }
-
- else
- return 0;
-
- if (mytime(&after))
- {
- /* Work out the time difference and print it - this is the only output,
- * so flush it immediately.
- */
- unsigned long s = after.tv_sec - before.tv_sec;
- long ns = after.tv_nsec - before.tv_nsec;
-
- if (ns < 0)
- {
- --s;
- ns += 1000000000;
-
- if (ns < 0)
- {
- fprintf(stderr, "timepng: bad clock from kernel\n");
- return 0;
- }
- }
-
- printf("%lu.%.9ld\n", s, ns);
- fflush(stdout);
- if (ferror(stdout))
- {
- fprintf(stderr, "timepng: error writing output\n");
- return 0;
- }
-
- /* Successful return */
- return 1;
- }
-
- else
- return 0;
-}
-
-static int add_one_file(FILE *fp, char *name)
-{
- FILE *ip = fopen(name, "rb");
-
- if (ip != NULL)
- {
- int ch;
- for (;;)
- {
- ch = getc(ip);
- if (ch == EOF) break;
- putc(ch, fp);
- }
-
- if (ferror(ip))
- {
- perror(name);
- fprintf(stderr, "%s: read error\n", name);
- return 0;
- }
-
- (void)fclose(ip);
-
- if (ferror(fp))
- {
- perror("temporary file");
- fprintf(stderr, "temporary file write error\n");
- return 0;
- }
- }
-
- else
- {
- perror(name);
- fprintf(stderr, "%s: open failed\n", name);
- return 0;
- }
-
- return 1;
-}
-
-int main(int argc, char **argv)
-{
- int ok = 0;
- FILE *fp = tmpfile();
-
- if (fp != NULL)
- {
- int err = 0;
- int nfiles = 0;
-
- if (argc > 1)
- {
- int i;
-
- for (i=1; i<argc; ++i)
- {
- if (add_one_file(fp, argv[i]))
- ++nfiles;
-
- else
- {
- err = 1;
- break;
- }
- }
- }
-
- else
- {
- char filename[FILENAME_MAX+1];
-
- while (fgets(filename, FILENAME_MAX+1, stdin))
- {
- int len = strlen(filename);
-
- if (filename[len-1] == '\n')
- {
- filename[len-1] = 0;
- if (add_one_file(fp, filename))
- ++nfiles;
-
- else
- {
- err = 1;
- break;
- }
- }
-
- else
- {
- fprintf(stderr, "timepng: truncated file name ...%s\n",
- filename+len-32);
- err = 1;
- break;
- }
- }
-
- if (ferror(stdin))
- {
- fprintf(stderr, "timepng: stdin: read error\n");
- err = 1;
- }
- }
-
- if (!err)
- {
- if (nfiles > 0)
- ok = perform_one_test(fp, nfiles);
-
- else
- fprintf(stderr, "usage: timepng {files} or ls files | timepng\n");
- }
-
- (void)fclose(fp);
- }
-
- else
- fprintf(stderr, "timepng: could not open temporary file\n");
-
- /* Exit code 0 on success. */
- return ok == 0;
-}