/* pngtest.c - a simple test program to test libpng
*
- * Last changed in libpng 1.4.1 [February 25, 2010]
- * Copyright (c) 1998-2010 Glenn Randers-Pehrson
+ * Last changed in libpng 1.5.6 [November 3, 2011]
+ * Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
* of files at once by typing "pngtest -m file1.png file2.png ..."
*/
-#include "png.h"
-#include "pngpriv.h"
+#define _POSIX_SOURCE 1
+#include "zlib.h"
+#include "png.h"
+/* Copied from pngpriv.h but only used in error messages below. */
+#ifndef PNG_ZBUF_SIZE
+# define PNG_ZBUF_SIZE 8192
+#endif
# include <stdio.h>
# include <stdlib.h>
+# include <string.h>
# define FCLOSE(file) fclose(file)
#ifndef PNG_STDIO_SUPPORTED
- typedef FILE * png_FILE_p;
+typedef FILE * png_FILE_p;
#endif
-/* Makes pngtest verbose so we can find problems (needs to be before png.h) */
+/* Makes pngtest verbose so we can find problems. */
#ifndef PNG_DEBUG
# define PNG_DEBUG 0
#endif
+#if PNG_DEBUG > 1
+# define pngtest_debug(m) ((void)fprintf(stderr, m "\n"))
+# define pngtest_debug1(m,p1) ((void)fprintf(stderr, m "\n", p1))
+# define pngtest_debug2(m,p1,p2) ((void)fprintf(stderr, m "\n", p1, p2))
+#else
+# define pngtest_debug(m) ((void)0)
+# define pngtest_debug1(m,p1) ((void)0)
+# define pngtest_debug2(m,p1,p2) ((void)0)
+#endif
+
#if !PNG_DEBUG
# define SINGLE_ROWBUF_ALLOC /* Makes buffer overruns easier to nail */
#endif
+/* The code uses memcmp and memcpy on large objects (typically row pointers) so
+ * it is necessary to do soemthing special on certain architectures, note that
+ * the actual support for this was effectively removed in 1.4, so only the
+ * memory remains in this program:
+ */
+#define CVT_PTR(ptr) (ptr)
+#define CVT_PTR_NOCHECK(ptr) (ptr)
+#define png_memcmp memcmp
+#define png_memcpy memcpy
+#define png_memset memset
+
/* Turn on CPU timing
#define PNGTEST_TIMING
*/
#endif
static int verbose = 0;
+static int strict = 0;
int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname));
/* #define STDERR stderr */
#define STDERR stdout /* For DOS */
-/* In case a system header (e.g., on AIX) defined jmpbuf */
-#ifdef jmpbuf
-# undef jmpbuf
-#endif
-
/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) png_ptr->jmpbuf
static int status_dots_requested = 0;
static int status_dots = 1;
-void
+void PNGCBAPI
read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
-void
+void PNGCBAPI
read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
{
if (png_ptr == NULL || row_number > PNG_UINT_31_MAX)
return;
+
if (status_pass != pass)
{
fprintf(stdout, "\n Pass %d: ", pass);
status_pass = pass;
status_dots = 31;
}
+
status_dots--;
+
if (status_dots == 0)
{
fprintf(stdout, "\n ");
status_dots=30;
}
+
fprintf(stdout, "r");
}
-void
+void PNGCBAPI
write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
-void
+void PNGCBAPI
write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
{
if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7)
return;
+
fprintf(stdout, "w");
}
* 5 in case illegal filter values are present.)
*/
static png_uint_32 filters_used[256];
-void
+void PNGCBAPI
count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data);
-void
+void PNGCBAPI
count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data)
{
if (png_ptr != NULL && row_info != NULL)
static png_uint_32 zero_samples;
-void
+void PNGCBAPI
count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data);
-void
+void PNGCBAPI
count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data)
{
png_bytep dp = data;
- if (png_ptr == NULL)return;
+ if (png_ptr == NULL)
+ return;
/* Contents of row_info:
* png_uint_32 width width of row
{
int pos = 0;
png_uint_32 n, nstop;
+
for (n = 0, nstop=row_info->width; n<nstop; n++)
{
if (row_info->bit_depth == 1)
{
if (((*dp << pos++ ) & 0x80) == 0)
zero_samples++;
+
if (pos == 8)
{
pos = 0;
dp++;
}
}
+
if (row_info->bit_depth == 2)
{
if (((*dp << (pos+=2)) & 0xc0) == 0)
zero_samples++;
+
if (pos == 8)
{
pos = 0;
dp++;
}
}
+
if (row_info->bit_depth == 4)
{
if (((*dp << (pos+=4)) & 0xf0) == 0)
zero_samples++;
+
if (pos == 8)
{
pos = 0;
dp++;
}
}
+
if (row_info->bit_depth == 8)
if (*dp++ == 0)
zero_samples++;
+
if (row_info->bit_depth == 16)
{
if ((*dp | *(dp+1)) == 0)
if (row_info->bit_depth == 8)
if (*dp++ == 0)
zero_samples++;
+
if (row_info->bit_depth == 16)
{
if ((*dp | *(dp+1)) == 0)
zero_samples++;
+
dp+=2;
}
}
* than changing the library.
*/
+#ifdef PNG_IO_STATE_SUPPORTED
+void
+pngtest_check_io_state(png_structp png_ptr, png_size_t data_length,
+ png_uint_32 io_op);
+void
+pngtest_check_io_state(png_structp png_ptr, png_size_t data_length,
+ png_uint_32 io_op)
+{
+ png_uint_32 io_state = png_get_io_state(png_ptr);
+ int err = 0;
+
+ /* Check if the current operation (reading / writing) is as expected. */
+ if ((io_state & PNG_IO_MASK_OP) != io_op)
+ png_error(png_ptr, "Incorrect operation in I/O state");
+
+ /* Check if the buffer size specific to the current location
+ * (file signature / header / data / crc) is as expected.
+ */
+ switch (io_state & PNG_IO_MASK_LOC)
+ {
+ case PNG_IO_SIGNATURE:
+ if (data_length > 8)
+ err = 1;
+ break;
+ case PNG_IO_CHUNK_HDR:
+ if (data_length != 8)
+ err = 1;
+ break;
+ case PNG_IO_CHUNK_DATA:
+ break; /* no restrictions here */
+ case PNG_IO_CHUNK_CRC:
+ if (data_length != 4)
+ err = 1;
+ break;
+ default:
+ err = 1; /* uninitialized */
+ }
+ if (err)
+ png_error(png_ptr, "Bad I/O state or buffer size");
+}
+#endif
+
#ifndef USE_FAR_KEYWORD
-static void
+static void PNGCBAPI
pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check = 0;
if (check != length)
{
- png_error(png_ptr, "Read Error!");
+ png_error(png_ptr, "Read Error");
}
+
+#ifdef PNG_IO_STATE_SUPPORTED
+ pngtest_check_io_state(png_ptr, length, PNG_IO_READING);
+#endif
}
#else
/* This is the model-independent version. Since the standard I/O library
#define NEAR_BUF_SIZE 1024
#define MIN(a,b) (a <= b ? a : b)
-static void
+static void PNGCBAPI
pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
png_size_t read, remaining, err;
check = 0;
remaining = length;
+
do
{
read = MIN(NEAR_BUF_SIZE, remaining);
}
while (remaining != 0);
}
+
if (check != length)
- png_error(png_ptr, "read Error");
+ png_error(png_ptr, "Read Error");
+
+#ifdef PNG_IO_STATE_SUPPORTED
+ pngtest_check_io_state(png_ptr, length, PNG_IO_READING);
+#endif
}
#endif /* USE_FAR_KEYWORD */
#ifdef PNG_WRITE_FLUSH_SUPPORTED
-static void
+static void PNGCBAPI
pngtest_flush(png_structp png_ptr)
{
/* Do nothing; fflush() is said to be just a waste of energy. */
- png_ptr = png_ptr; /* Stifle compiler warning */
+ PNG_UNUSED(png_ptr) /* Stifle compiler warning */
}
#endif
* than changing the library.
*/
#ifndef USE_FAR_KEYWORD
-static void
+static void PNGCBAPI
pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
- png_FILE_p io_ptr;
- io_ptr = (png_FILE_p)CVT_PTR(png_get_io_ptr(png_ptr));
- check = fwrite(data, 1, length, io_ptr);
+ check = fwrite(data, 1, length, (png_FILE_p)png_get_io_ptr(png_ptr));
+
if (check != length)
{
png_error(png_ptr, "Write Error");
}
+
+#ifdef PNG_IO_STATE_SUPPORTED
+ pngtest_check_io_state(png_ptr, length, PNG_IO_WRITING);
+#endif
}
#else
/* This is the model-independent version. Since the standard I/O library
#define NEAR_BUF_SIZE 1024
#define MIN(a,b) (a <= b ? a : b)
-static void
+static void PNGCBAPI
pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
/* Check if data really is near. If so, use usual code. */
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
+ io_ptr = (png_FILE_p)CVT_PTR(png_get_io_ptr(png_ptr));
+
if ((png_bytep)near_data == data)
{
check = fwrite(near_data, 1, length, io_ptr);
}
+
else
{
png_byte buf[NEAR_BUF_SIZE];
png_size_t written, remaining, err;
check = 0;
remaining = length;
+
do
{
written = MIN(NEAR_BUF_SIZE, remaining);
}
while (remaining != 0);
}
+
if (check != length)
{
png_error(png_ptr, "Write Error");
}
+
+#ifdef PNG_IO_STATE_SUPPORTED
+ pngtest_check_io_state(png_ptr, length, PNG_IO_WRITING);
+#endif
}
#endif /* USE_FAR_KEYWORD */
* here if you don't want to. In the default configuration, png_ptr is
* not used, but it is passed in case it may be useful.
*/
-static void
+static void PNGCBAPI
pngtest_warning(png_structp png_ptr, png_const_charp message)
{
PNG_CONST char *name = "UNKNOWN (ERROR!)";
char *test;
test = png_get_error_ptr(png_ptr);
+
if (test == NULL)
fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
+
else
fprintf(STDERR, "%s: libpng warning: %s\n", test, message);
}
* function is used by default, or if the program supplies NULL for the
* error function pointer in png_set_error_fn().
*/
-static void
+static void PNGCBAPI
pngtest_error(png_structp png_ptr, png_const_charp message)
{
pngtest_warning(png_ptr, message);
static int total_allocation = 0;
static int num_allocations = 0;
-png_voidp png_debug_malloc
- PNGARG((png_structp png_ptr, png_alloc_size_t size));
-void png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr));
+png_voidp PNGCBAPI png_debug_malloc PNGARG((png_structp png_ptr,
+ png_alloc_size_t size));
+void PNGCBAPI png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr));
png_voidp
-png_debug_malloc(png_structp png_ptr, png_alloc_size_t size)
+PNGCBAPI png_debug_malloc(png_structp png_ptr, png_alloc_size_t size)
{
/* png_malloc has already tested for NULL; png_create_struct calls
current_allocation += size;
total_allocation += size;
num_allocations ++;
+
if (current_allocation > maximum_allocation)
maximum_allocation = current_allocation;
+
pinfo->pointer = png_malloc(png_ptr, size);
/* Restore malloc_fn and free_fn */
+
png_set_mem_fn(png_ptr,
NULL, png_debug_malloc, png_debug_free);
+
if (size != 0 && pinfo->pointer == NULL)
{
current_allocation -= size;
png_error(png_ptr,
"out of memory in pngtest->png_debug_malloc");
}
+
pinfo->next = pinformation;
pinformation = pinfo;
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
+
if (verbose)
- printf("png_malloc %lu bytes at %x\n", (unsigned long)size,
+ printf("png_malloc %lu bytes at %p\n", (unsigned long)size,
pinfo->pointer);
+
return (png_voidp)(pinfo->pointer);
}
}
/* Free a pointer. It is removed from the list at the same time. */
-void
+void PNGCBAPI
png_debug_free(png_structp png_ptr, png_voidp ptr)
{
if (png_ptr == NULL)
fprintf(STDERR, "NULL pointer to png_debug_free.\n");
+
if (ptr == 0)
{
#if 0 /* This happens all the time. */
/* Unlink the element from the list. */
{
memory_infop FAR *ppinfo = &pinformation;
+
for (;;)
{
memory_infop pinfo = *ppinfo;
+
if (pinfo->pointer == ptr)
{
*ppinfo = pinfo->next;
pinfo = NULL;
break;
}
+
if (pinfo->next == NULL)
{
fprintf(STDERR, "Pointer %x not found\n", (unsigned int)ptr);
break;
}
+
ppinfo = &pinfo->next;
}
}
/* Finally free the data. */
if (verbose)
- printf("Freeing %x\n", ptr);
+ printf("Freeing %p\n", ptr);
+
png_free_default(png_ptr, ptr);
ptr = NULL;
}
* 3: vpAg units
*/
-static int read_user_chunk_callback(png_struct *png_ptr,
+static int PNGCBAPI read_user_chunk_callback(png_struct *png_ptr,
png_unknown_chunkp chunk)
{
png_uint_32
/* Found sTER chunk */
if (chunk->size != 1)
return (-1); /* Error return */
+
if (chunk->data[0] != 0 && chunk->data[0] != 1)
return (-1); /* Invalid mode */
+
my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
my_user_chunk_data[0]=chunk->data[0]+1;
return (1);
int bit_depth, color_type;
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
- jmp_buf jmpbuf;
+ jmp_buf tmp_jmpbuf;
#endif
#endif
return (1);
}
- png_debug(0, "Allocating read and write structures");
+ pngtest_debug("Allocating read and write structures");
#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
read_ptr =
png_create_read_struct_2(PNG_LIBPNG_VER_STRING, NULL,
- NULL, NULL, NULL,
- (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free);
+ NULL, NULL, NULL, png_debug_malloc, png_debug_free);
#else
read_ptr =
png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
pngtest_warning);
#endif
#endif
- png_debug(0, "Allocating read_info, write_info and end_info structures");
+ pngtest_debug("Allocating read_info, write_info and end_info structures");
read_info_ptr = png_create_info_struct(read_ptr);
end_info_ptr = png_create_info_struct(read_ptr);
#ifdef PNG_WRITE_SUPPORTED
#endif
#ifdef PNG_SETJMP_SUPPORTED
- png_debug(0, "Setting jmpbuf for read struct");
+ pngtest_debug("Setting jmpbuf for read struct");
#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(read_ptr)))
#endif
return (1);
}
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(read_ptr), jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(read_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
#ifdef PNG_WRITE_SUPPORTED
- png_debug(0, "Setting jmpbuf for write struct");
+ pngtest_debug("Setting jmpbuf for write struct");
#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
+
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(write_ptr)))
#endif
FCLOSE(fpout);
return (1);
}
+
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(write_ptr), jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(write_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
#endif
#endif
- png_debug(0, "Initializing input and output streams");
+ pngtest_debug("Initializing input and output streams");
#ifdef PNG_STDIO_SUPPORTED
png_init_io(read_ptr, fpin);
# ifdef PNG_WRITE_SUPPORTED
# endif
# endif
#endif
+
+#ifdef PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
+ /* Normally one would use Z_DEFAULT_STRATEGY for text compression.
+ * This is here just to make pngtest replicate the results from libpng
+ * versions prior to 1.5.4, and to test this new API.
+ */
+ png_set_text_compression_strategy(write_ptr, Z_FILTERED);
+#endif
+
if (status_dots_requested == 1)
{
#ifdef PNG_WRITE_SUPPORTED
#endif
png_set_read_status_fn(read_ptr, read_row_callback);
}
+
else
{
#ifdef PNG_WRITE_SUPPORTED
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
{
int i;
+
for (i = 0; i<256; i++)
filters_used[i] = 0;
+
png_set_read_user_transform_fn(read_ptr, count_filters);
}
#endif
NULL, 0);
#endif
- png_debug(0, "Reading info struct");
+ pngtest_debug("Reading info struct");
png_read_info(read_ptr, read_info_ptr);
- png_debug(0, "Transferring info struct");
+ pngtest_debug("Transferring info struct");
{
int interlace_type, compression_type, filter_type;
{
png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
blue_y;
+
if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y,
&red_x, &red_y, &green_x, &green_y, &blue_x, &blue_y))
{
{
double white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
blue_y;
+
if (png_get_cHRM(read_ptr, read_info_ptr, &white_x, &white_y, &red_x,
&red_y, &green_x, &green_y, &blue_x, &blue_y))
{
#ifdef PNG_iCCP_SUPPORTED
{
png_charp name;
- png_charp profile;
+ png_bytep profile;
png_uint_32 proflen;
int compression_type;
if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0)
{
- png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text);
+ pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text);
+
+ if (verbose)
+ printf("\nText compression=%d\n", text_ptr->compression);
+
png_set_text(write_ptr, write_info_ptr, text_ptr, num_text);
}
}
png_memcpy(tIME_string,
png_convert_to_rfc1123(read_ptr, mod_time),
png_sizeof(tIME_string));
+
tIME_string[png_sizeof(tIME_string) - 1] = '\0';
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
{
png_unknown_chunkp unknowns;
- int num_unknowns = (int)png_get_unknown_chunks(read_ptr, read_info_ptr,
+ int num_unknowns = png_get_unknown_chunks(read_ptr, read_info_ptr,
&unknowns);
+
if (num_unknowns)
{
- png_size_t i;
+ int i;
png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns,
num_unknowns);
/* Copy the locations from the read_info_ptr. The automatically
* generated locations in write_info_ptr are wrong because we
* haven't written anything yet.
*/
- for (i = 0; i < (png_size_t)num_unknowns; i++)
+ for (i = 0; i < num_unknowns; i++)
png_set_unknown_chunk_location(write_ptr, write_info_ptr, i,
unknowns[i].location);
}
#endif
#ifdef PNG_WRITE_SUPPORTED
- png_debug(0, "Writing info struct");
+ pngtest_debug("Writing info struct");
/* If we wanted, we could write info in two steps:
* png_write_info_before_PLTE(write_ptr, write_info_ptr);
if (verbose)
fprintf(STDERR, "\n stereo mode = %lu\n",
(unsigned long)(user_chunk_data[0] - 1));
+
ster_chunk_data[0]=(unsigned char)(user_chunk_data[0] - 1);
png_write_chunk(write_ptr, png_sTER, ster_chunk_data, 1);
}
+
if (user_chunk_data[1] != 0 || user_chunk_data[2] != 0)
{
png_byte png_vpAg[5] = {118, 112, 65, 103, '\0'};
(unsigned long)user_chunk_data[1],
(unsigned long)user_chunk_data[2],
(unsigned long)user_chunk_data[3]);
+
png_save_uint_32(vpag_chunk_data, user_chunk_data[1]);
png_save_uint_32(vpag_chunk_data + 4, user_chunk_data[2]);
vpag_chunk_data[8] = (unsigned char)(user_chunk_data[3] & 0xff);
#endif
#ifdef SINGLE_ROWBUF_ALLOC
- png_debug(0, "Allocating row buffer...");
+ pngtest_debug("Allocating row buffer...");
row_buf = (png_bytep)png_malloc(read_ptr,
png_get_rowbytes(read_ptr, read_info_ptr));
- png_debug1(0, "0x%08lx", (unsigned long)row_buf);
+
+ pngtest_debug1("\t0x%08lx", (unsigned long)row_buf);
#endif /* SINGLE_ROWBUF_ALLOC */
- png_debug(0, "Writing row data");
+ pngtest_debug("Writing row data");
#if defined(PNG_READ_INTERLACING_SUPPORTED) || \
defined(PNG_WRITE_INTERLACING_SUPPORTED)
#endif
for (pass = 0; pass < num_pass; pass++)
{
- png_debug1(0, "Writing row data for pass %d", pass);
+ pngtest_debug1("Writing row data for pass %d", pass);
for (y = 0; y < height; y++)
{
#ifndef SINGLE_ROWBUF_ALLOC
- png_debug2(0, "Allocating row buffer (pass %d, y = %ld)...", pass, y);
+ pngtest_debug2("Allocating row buffer (pass %d, y = %u)...", pass, y);
row_buf = (png_bytep)png_malloc(read_ptr,
png_get_rowbytes(read_ptr, read_info_ptr));
- png_debug2(0, "0x%08lx (%ld bytes)", (unsigned long)row_buf,
+
+ pngtest_debug2("\t0x%08lx (%u bytes)", (unsigned long)row_buf,
png_get_rowbytes(read_ptr, read_info_ptr));
+
#endif /* !SINGLE_ROWBUF_ALLOC */
png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1);
#endif /* PNG_WRITE_SUPPORTED */
#ifndef SINGLE_ROWBUF_ALLOC
- png_debug2(0, "Freeing row buffer (pass %d, y = %ld)", pass, y);
+ pngtest_debug2("Freeing row buffer (pass %d, y = %u)", pass, y);
png_free(read_ptr, row_buf);
row_buf = NULL;
#endif /* !SINGLE_ROWBUF_ALLOC */
png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1);
#endif
- png_debug(0, "Reading and writing end_info data");
+ pngtest_debug("Reading and writing end_info data");
png_read_end(read_ptr, end_info_ptr);
#ifdef PNG_TEXT_SUPPORTED
if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0)
{
- png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text);
+ pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text);
png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text);
}
}
png_memcpy(tIME_string,
png_convert_to_rfc1123(read_ptr, mod_time),
png_sizeof(tIME_string));
+
tIME_string[png_sizeof(tIME_string) - 1] = '\0';
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
{
png_unknown_chunkp unknowns;
- int num_unknowns;
- num_unknowns = (int)png_get_unknown_chunks(read_ptr, end_info_ptr,
+ int num_unknowns = png_get_unknown_chunks(read_ptr, end_info_ptr,
&unknowns);
+
if (num_unknowns)
{
- png_size_t i;
+ int i;
png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns,
num_unknowns);
/* Copy the locations from the read_info_ptr. The automatically
* generated locations in write_end_info_ptr are wrong because we
* haven't written the end_info yet.
*/
- for (i = 0; i < (png_size_t)num_unknowns; i++)
+ for (i = 0; i < num_unknowns; i++)
png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i,
unknowns[i].location);
}
}
#endif
- png_debug(0, "Destroying data structs");
+ pngtest_debug("Destroying data structs");
#ifdef SINGLE_ROWBUF_ALLOC
- png_debug(1, "destroying row_buf for read_ptr");
+ pngtest_debug("destroying row_buf for read_ptr");
png_free(read_ptr, row_buf);
row_buf = NULL;
#endif /* SINGLE_ROWBUF_ALLOC */
- png_debug(1, "destroying read_ptr, read_info_ptr, end_info_ptr");
+ pngtest_debug("destroying read_ptr, read_info_ptr, end_info_ptr");
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
#ifdef PNG_WRITE_SUPPORTED
- png_debug(1, "destroying write_end_info_ptr");
+ pngtest_debug("destroying write_end_info_ptr");
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
- png_debug(1, "destroying write_ptr, write_info_ptr");
+ pngtest_debug("destroying write_ptr, write_info_ptr");
png_destroy_write_struct(&write_ptr, &write_info_ptr);
#endif
- png_debug(0, "Destruction complete.");
+ pngtest_debug("Destruction complete.");
FCLOSE(fpin);
FCLOSE(fpout);
- png_debug(0, "Opening files for comparison");
+ pngtest_debug("Opening files for comparison");
if ((fpin = fopen(inname, "rb")) == NULL)
{
fprintf(STDERR, "Could not find file %s\n", inname);
{
fprintf(STDERR, "\nFiles %s and %s are of a different size\n",
inname, outname);
+
if (wrote_question == 0)
{
fprintf(STDERR,
ZLIB_VERSION);
wrote_question = 1;
}
+
FCLOSE(fpin);
FCLOSE(fpout);
- return (0);
+
+ if (strict != 0)
+ return (1);
+
+ else
+ return (0);
}
if (!num_in)
if (png_memcmp(inbuf, outbuf, num_in))
{
fprintf(STDERR, "\nFiles %s and %s are different\n", inname, outname);
+
if (wrote_question == 0)
{
fprintf(STDERR,
ZLIB_VERSION);
wrote_question = 1;
}
+
FCLOSE(fpin);
FCLOSE(fpout);
- return (0);
+
+ if (strict != 0)
+ return (1);
+
+ else
+ return (0);
}
}
fprintf(STDERR, " library (%lu):%s",
(unsigned long)png_access_version_number(),
png_get_header_version(NULL));
+
/* Show the version of libpng used in building the application */
fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER,
PNG_HEADER_VERSION_STRING);
- fprintf(STDERR, " sizeof(png_struct)=%ld, sizeof(png_info)=%ld\n",
- (long)png_sizeof(png_struct), (long)png_sizeof(png_info));
/* Do some consistency checking on the memory allocation settings, I'm
* not sure this matters, but it is nice to know, the first of these
multiple = 1;
status_dots_requested = 0;
}
+
else if (strcmp(argv[1], "-mv") == 0 ||
strcmp(argv[1], "-vm") == 0 )
{
verbose = 1;
status_dots_requested = 1;
}
+
else if (strcmp(argv[1], "-v") == 0)
{
verbose = 1;
status_dots_requested = 1;
inname = argv[2];
}
+
+ else if (strcmp(argv[1], "--strict") == 0)
+ {
+ status_dots_requested = 0;
+ verbose = 1;
+ inname = argv[2];
+ strict++;
+ }
+
else
{
inname = argv[1];
#ifdef PNG_TIME_RFC1123_SUPPORTED
if (tIME_chunk_present != 0)
fprintf(STDERR, " tIME = %s\n", tIME_string);
+
tIME_chunk_present = 0;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
+
else
{
fprintf(STDERR, " FAIL\n");
if (allocation_now != current_allocation)
fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
current_allocation - allocation_now);
+
if (current_allocation != 0)
{
memory_infop pinfo = pinformation;
fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n",
current_allocation);
+
while (pinfo != NULL)
{
fprintf(STDERR, " %lu bytes at %x\n",
(unsigned long)pinfo->size,
- (unsigned int) pinfo->pointer);
+ (unsigned int)pinfo->pointer);
pinfo = pinfo->next;
}
}
num_allocations);
#endif
}
+
else
{
int i;
#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
int allocation_now = current_allocation;
#endif
- if (i == 1) status_dots_requested = 1;
- else if (verbose == 0)status_dots_requested = 0;
+ if (i == 1)
+ status_dots_requested = 1;
+
+ else if (verbose == 0)
+ status_dots_requested = 0;
+
if (i == 0 || verbose == 1 || ierror != 0)
fprintf(STDERR, "\n Testing %s:", inname);
+
kerror = test_one_file(inname, outname);
+
if (kerror == 0)
{
if (verbose == 1 || i == 2)
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
}
+
else
{
if (verbose == 0 && i != 2)
fprintf(STDERR, "\n Testing %s:", inname);
+
fprintf(STDERR, " FAIL\n");
ierror += kerror;
}
if (allocation_now != current_allocation)
fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
current_allocation - allocation_now);
+
if (current_allocation != 0)
{
memory_infop pinfo = pinformation;
fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n",
current_allocation);
+
while (pinfo != NULL)
{
fprintf(STDERR, " %lu bytes at %x\n",
if (ierror == 0)
fprintf(STDERR, " libpng passes test\n");
+
else
fprintf(STDERR, " libpng FAILS test\n");
+
return (int)(ierror != 0);
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_4 your_png_h_is_not_version_1_4_4;
+typedef png_libpng_version_1_5_7 Your_png_h_is_not_version_1_5_7;
projects / wxWidgets.git / blobdiff