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[libpng16] Fixed 'minimal' builds. Various obviously useful minimal

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configurations don't build because of missing contrib/libtests test programs
and overly complex dependencies in scripts/pnglibconf.dfa. This change adds
contrib/conftest/*.dfa files that can be used in automatic build
scripts to ensure that these configurations continue to build.
This commit is contained in:
Glenn Randers-Pehrson
2013-11-22 14:58:04 -06:00
parent 113213416c
commit c912050a7b
19 changed files with 698 additions and 238 deletions
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6
pngmem.c
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@@ -73,9 +73,10 @@ png_malloc_base,(png_const_structrp png_ptr, png_alloc_size_t size),
* to implement a user memory handler. This checks to be sure it isn't
* called with big numbers.
*/
#ifdef PNG_USER_MEM_SUPPORTED
#ifndef PNG_USER_MEM_SUPPORTED
PNG_UNUSED(png_ptr)
#endif
if (size > 0 && size <= PNG_SIZE_MAX
# ifdef PNG_MAX_MALLOC_64K
&& size <= 65536U
@@ -95,6 +96,8 @@ png_malloc_base,(png_const_structrp png_ptr, png_alloc_size_t size),
return NULL;
}
#if defined(PNG_TEXT_SUPPORTED) || defined(PNG_sPLT_SUPPORTED) ||\
defined(PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED)
/* This is really here only to work round a spurious warning in GCC 4.6 and 4.7
* that arises because of the checks in png_realloc_array that are repeated in
* png_malloc_array.
@@ -156,6 +159,7 @@ png_realloc_array,(png_const_structrp png_ptr, png_const_voidp old_array,
return NULL; /* error */
}
#endif /* TEXT || sPLT || STORE_UNKNOWN_CHUNKS */
/* Various functions that have different error handling are derived from this.
* png_malloc always exists, but if PNG_USER_MEM_SUPPORTED is defined a separate