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Imported from libpng-1.0.1e.tar

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This commit is contained in:
Glenn Randers-Pehrson
1998-06-06 15:31:35 -05:00
parent 8686fff347
commit f7d1a17033
33 changed files with 782 additions and 258 deletions
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12
pngwio.c
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@@ -1,12 +1,11 @@
/* pngwio.c - functions for data output
*
* libpng 1.0.1d
* libpng 1.0.1e - June 6, 1998
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
* Copyright (c) 1998, Glenn Randers-Pehrson
* May 21, 1998
*
* This file provides a location for all output. Users who need
* special handling are expected to write functions that have the same
@@ -175,7 +174,14 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
#endif /* PNG_WRITE_FLUSH_SUPPORTED */
/* It is an error to read while writing a png file */
png_ptr->read_data_fn = NULL;
if (png_ptr->read_data_fn != NULL)
{
png_ptr->read_data_fn = NULL;
png_warning(png_ptr,
"Attempted to set both read_data_fn and write_data_fn in");
png_warning(png_ptr,
"the same structure. Resetting read_data_fn to NULL.");
}
}
#if defined(USE_FAR_KEYWORD)