diff options
Diffstat (limited to 'pngtest.c')
| -rw-r--r-- | pngtest.c | 257 |
1 files changed, 186 insertions, 71 deletions
@@ -1,7 +1,7 @@ /* pngtest.c - a simple test program to test libpng * - * Last changed in libpng 1.4.8 [July 7, 2011] + * 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.) @@ -31,23 +31,24 @@ * of files at once by typing "pngtest -m file1.png file2.png ..." */ +#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 @@ -66,6 +67,17 @@ # 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 */ @@ -86,6 +98,7 @@ static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"; #endif static int verbose = 0; +static int strict = 0; int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname)); @@ -97,11 +110,6 @@ 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 @@ -112,35 +120,40 @@ static int status_pass = 1; 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"); } @@ -151,9 +164,9 @@ write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) * 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) @@ -168,13 +181,14 @@ count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data) 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 @@ -191,41 +205,49 @@ count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data) { 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) @@ -248,10 +270,12 @@ count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data) 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; } } @@ -321,7 +345,7 @@ pngtest_check_io_state(png_structp png_ptr, png_size_t data_length, #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; @@ -354,7 +378,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) #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; @@ -374,6 +398,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t read, remaining, err; check = 0; remaining = length; + do { read = MIN(NEAR_BUF_SIZE, remaining); @@ -388,6 +413,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) } while (remaining != 0); } + if (check != length) png_error(png_ptr, "Read Error"); @@ -398,7 +424,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) #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. */ @@ -412,14 +438,13 @@ pngtest_flush(png_structp png_ptr) * 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"); @@ -438,7 +463,7 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) #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; @@ -447,17 +472,20 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) /* 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); @@ -472,6 +500,7 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) } while (remaining != 0); } + if (check != length) { png_error(png_ptr, "Write Error"); @@ -488,14 +517,16 @@ pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) * 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); } @@ -505,7 +536,7 @@ pngtest_warning(png_structp png_ptr, png_const_charp 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); @@ -542,16 +573,16 @@ static int maximum_allocation = 0; static int total_allocation = 0; static int num_allocations = 0; -png_voidp pngtest_debug_malloc - PNGARG((png_structp png_ptr, png_alloc_size_t size)); -void pngtest_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 -pngtest_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 - * pngtest_debug_malloc directly, with png_ptr == NULL which is OK + * png_debug_malloc directly, with png_ptr == NULL which is OK */ if (size == 0) @@ -569,36 +600,44 @@ pngtest_debug_malloc(png_structp png_ptr, png_alloc_size_t size) 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, pngtest_debug_malloc, pngtest_debug_free); + NULL, png_debug_malloc, png_debug_free); + if (size != 0 && pinfo->pointer == NULL) { current_allocation -= size; total_allocation -= size; png_error(png_ptr, - "out of memory in pngtest->pngtest_debug_malloc"); + "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 -pngtest_debug_free(png_structp png_ptr, png_voidp ptr) +void PNGCBAPI +png_debug_free(png_structp png_ptr, png_voidp ptr) { if (png_ptr == NULL) - fprintf(STDERR, "NULL pointer to pngtest_debug_free.\n"); + fprintf(STDERR, "NULL pointer to png_debug_free.\n"); + if (ptr == 0) { #if 0 /* This happens all the time. */ @@ -610,9 +649,11 @@ pngtest_debug_free(png_structp png_ptr, png_voidp ptr) /* Unlink the element from the list. */ { memory_infop FAR *ppinfo = &pinformation; + for (;;) { memory_infop pinfo = *ppinfo; + if (pinfo->pointer == ptr) { *ppinfo = pinfo->next; @@ -626,18 +667,21 @@ pngtest_debug_free(png_structp png_ptr, png_voidp ptr) 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; } @@ -659,7 +703,7 @@ static png_uint_32 user_chunk_data[4]; * 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 @@ -684,8 +728,10 @@ static int read_user_chunk_callback(png_struct *png_ptr, /* 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); @@ -736,7 +782,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) int bit_depth, color_type; #ifdef PNG_SETJMP_SUPPORTED #ifdef USE_FAR_KEYWORD - jmp_buf jmpbuf; + jmp_buf tmp_jmpbuf; #endif #endif @@ -761,8 +807,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #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)pngtest_debug_malloc, (png_free_ptr)pngtest_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); @@ -785,7 +830,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG write_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, - NULL, NULL, NULL, pngtest_debug_malloc, pngtest_debug_free); + NULL, NULL, NULL, png_debug_malloc, png_debug_free); #else write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); @@ -806,7 +851,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #ifdef PNG_SETJMP_SUPPORTED 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 @@ -824,13 +869,14 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) 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 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 @@ -845,8 +891,9 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) 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 @@ -868,6 +915,15 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) # 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 @@ -875,6 +931,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif png_set_read_status_fn(read_ptr, read_row_callback); } + else { #ifdef PNG_WRITE_SUPPORTED @@ -886,8 +943,10 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #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 @@ -934,6 +993,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) { 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)) { @@ -956,6 +1016,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) { 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)) { @@ -977,7 +1038,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #ifdef PNG_iCCP_SUPPORTED { png_charp name; - png_charp profile; + png_bytep profile; png_uint_32 proflen; int compression_type; @@ -1102,6 +1163,10 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0) { pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text); + + if (verbose) + printf("\n Text compression=%d\n", text_ptr->compression); + png_set_text(write_ptr, write_info_ptr, text_ptr, num_text); } } @@ -1121,6 +1186,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) 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 */ @@ -1152,18 +1218,19 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #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); } @@ -1189,9 +1256,11 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) 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'}; @@ -1204,6 +1273,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) (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); @@ -1217,7 +1287,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) pngtest_debug("Allocating row buffer..."); row_buf = (png_bytep)png_malloc(read_ptr, png_get_rowbytes(read_ptr, read_info_ptr)); - pngtest_debug1("0x%08lx", (unsigned long)row_buf); + + pngtest_debug1("\t0x%08lx", (unsigned long)row_buf); #endif /* SINGLE_ROWBUF_ALLOC */ pngtest_debug("Writing row data"); @@ -1242,11 +1313,13 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) for (y = 0; y < height; y++) { #ifndef SINGLE_ROWBUF_ALLOC - pngtest_debug2("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)); - pngtest_debug2("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); @@ -1265,7 +1338,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif /* PNG_WRITE_SUPPORTED */ #ifndef SINGLE_ROWBUF_ALLOC - pngtest_debug2("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 */ @@ -1308,6 +1381,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) 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 */ @@ -1317,19 +1391,19 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #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); } @@ -1394,6 +1468,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) { fprintf(STDERR, "\nFiles %s and %s are of a different size\n", inname, outname); + if (wrote_question == 0) { fprintf(STDERR, @@ -1406,9 +1481,15 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) ZLIB_VERSION); wrote_question = 1; } + FCLOSE(fpin); FCLOSE(fpout); - return (0); + + if (strict != 0) + return (1); + + else + return (0); } if (!num_in) @@ -1417,6 +1498,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) if (png_memcmp(inbuf, outbuf, num_in)) { fprintf(STDERR, "\nFiles %s and %s are different\n", inname, outname); + if (wrote_question == 0) { fprintf(STDERR, @@ -1429,9 +1511,15 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) ZLIB_VERSION); wrote_question = 1; } + FCLOSE(fpin); FCLOSE(fpout); - return (0); + + if (strict != 0) + return (1); + + else + return (0); } } @@ -1463,11 +1551,10 @@ main(int argc, char *argv[]) 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 @@ -1498,6 +1585,7 @@ main(int argc, char *argv[]) multiple = 1; status_dots_requested = 0; } + else if (strcmp(argv[1], "-mv") == 0 || strcmp(argv[1], "-vm") == 0 ) { @@ -1505,12 +1593,22 @@ main(int argc, char *argv[]) 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]; @@ -1564,9 +1662,11 @@ main(int argc, char *argv[]) #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"); @@ -1576,17 +1676,19 @@ main(int argc, char *argv[]) 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; } } @@ -1603,6 +1705,7 @@ main(int argc, char *argv[]) num_allocations); #endif } + else { int i; @@ -1612,11 +1715,17 @@ main(int argc, char *argv[]) #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) @@ -1642,10 +1751,12 @@ main(int argc, char *argv[]) #endif /* PNG_TIME_RFC1123_SUPPORTED */ } } + else { if (verbose == 0 && i != 2) fprintf(STDERR, "\n Testing %s:", inname); + fprintf(STDERR, " FAIL\n"); ierror += kerror; } @@ -1653,12 +1764,14 @@ main(int argc, char *argv[]) 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", @@ -1696,10 +1809,12 @@ main(int argc, char *argv[]) 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_9beta01 your_png_h_is_not_version_1_4_9beta01; +typedef png_libpng_version_1_5_10beta01 Your_png_h_is_not_version_1_5_10beta01; |