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[devel] Remove png_snprintf, add formatted warning messages.

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This change adds internal APIs to allow png_warning messages to have parameters
 without requiring the host OS to implelment snprintf.  As a side effect the
 dependency of the RFC1132 code on stdio is removed and PNG_NO_WARNINGS does
 actually work now.
This commit is contained in:
John Bowler
2011-05-05 06:49:55 -05:00
committed by Glenn Randers-Pehrson
parent b3b7168077
commit 88b77cc6f3
12 changed files with 562 additions and 256 deletions
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13
pngrtran.c
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@@ -1433,16 +1433,11 @@ png_do_read_transformations(png_structp png_ptr)
if (png_ptr->row_buf == NULL)
{
#ifdef PNG_CONSOLE_IO_SUPPORTED
char msg[50];
png_snprintf2(msg, 50,
"NULL row buffer for row %ld, pass %d", (long)png_ptr->row_number,
png_ptr->pass);
png_error(png_ptr, msg);
#else
/* Prior to 1.5.3 this output row/pass where the NULL pointer is, but this
* error is incredibly rare and incredibly easy to debug without this
* information.
*/
png_error(png_ptr, "NULL row buffer");
#endif
}
#ifdef PNG_WARN_UNINITIALIZED_ROW
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))