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[devel] Addressed various issues identified by GCC, mostly signed/unsigned

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and shortening problems on assignment but also a few difficult to optimize
(for GCC) loops (John Bowler).
This commit is contained in:
Glenn Randers-Pehrson
2010-08-19 07:01:09 -05:00
parent a313751258
commit 67439c4701
15 changed files with 179 additions and 124 deletions
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10
pngset.c
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@@ -948,8 +948,8 @@ png_set_unknown_chunks(png_structp png_ptr,
return;
np = (png_unknown_chunkp)png_malloc_warn(png_ptr,
(png_size_t)((info_ptr->unknown_chunks_num + num_unknowns) *
png_sizeof(png_unknown_chunk)));
(png_size_t)(info_ptr->unknown_chunks_num + num_unknowns) *
png_sizeof(png_unknown_chunk));
if (np == NULL)
{
@@ -959,7 +959,8 @@ png_set_unknown_chunks(png_structp png_ptr,
}
png_memcpy(np, info_ptr->unknown_chunks,
info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
(png_size_t)info_ptr->unknown_chunks_num *
png_sizeof(png_unknown_chunk));
png_free(png_ptr, info_ptr->unknown_chunks);
info_ptr->unknown_chunks = NULL;
@@ -999,12 +1000,13 @@ png_set_unknown_chunks(png_structp png_ptr,
info_ptr->unknown_chunks_num += num_unknowns;
info_ptr->free_me |= PNG_FREE_UNKN;
}
void PNGAPI
png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr,
int chunk, int location)
{
if (png_ptr != NULL && info_ptr != NULL && chunk >= 0 && chunk <
(int)info_ptr->unknown_chunks_num)
info_ptr->unknown_chunks_num)
info_ptr->unknown_chunks[chunk].location = (png_byte)location;
}
#endif