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[libpng15] Use "if (value != 0)" instead of "if (value)" consistently.

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This commit is contained in:
Glenn Randers-Pehrson
2014-03-08 16:23:06 -06:00
parent a00d14ddcf
commit d92bbef414
17 changed files with 132 additions and 124 deletions
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8
pngwrite.c
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@@ -521,7 +521,7 @@ png_create_write_struct_2,(png_const_charp user_png_ver, png_voidp error_ptr,
/* Initialize zbuf - compression buffer */
png_ptr->zbuf_size = PNG_ZBUF_SIZE;
if (!png_cleanup_needed)
if (png_cleanup_needed == 0)
{
png_ptr->zbuf = (png_bytep)png_malloc_warn(png_ptr,
png_ptr->zbuf_size);
@@ -529,7 +529,7 @@ png_create_write_struct_2,(png_const_charp user_png_ver, png_voidp error_ptr,
png_cleanup_needed = 1;
}
if (png_cleanup_needed)
if (png_cleanup_needed != 0)
{
/* Clean up PNG structure and deallocate any memory. */
png_free(png_ptr, png_ptr->zbuf);
@@ -765,7 +765,7 @@ png_write_row(png_structp png_ptr, png_const_bytep row)
{
png_do_write_interlace(&row_info, png_ptr->row_buf + 1, png_ptr->pass);
/* This should always get caught above, but still ... */
if (!(row_info.width))
if (row_info.width == 0)
{
png_write_finish_row(png_ptr);
return;
@@ -865,7 +865,7 @@ png_write_flush(png_structp png_ptr)
png_error(png_ptr, "zlib error");
}
if (!(png_ptr->zstream.avail_out))
if ((png_ptr->zstream.avail_out) == 0)
{
/* Write the IDAT and reset the zlib output buffer */
png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size);