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[libpng16] Fixed error checking in the simplified write API (Olaf van der Spek)

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This commit is contained in:
John Bowler
2012-11-15 00:06:30 -06:00
committed by Glenn Randers-Pehrson
parent 9d1ddbb78f
commit 70850fce0c
3 changed files with 8 additions and 6 deletions
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6
pngwrite.c
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@@ -1595,7 +1595,7 @@ png_image_write_init(png_imagep image)
png_destroy_write_struct(&png_ptr, NULL);
}
return png_image_error(image, "png_image_read: out of memory");
return png_image_error(image, "png_image_write_: out of memory");
}
/* Arguments to png_image_write_main: */
@@ -2212,7 +2212,7 @@ png_image_write_to_stdio(png_imagep image, FILE *file, int convert_to_8bit,
const void *buffer, png_int_32 row_stride, const void *colormap)
{
/* Write the image to the given (FILE*). */
if (image != NULL || image->version != PNG_IMAGE_VERSION)
if (image != NULL && image->version == PNG_IMAGE_VERSION)
{
if (file != NULL)
{
@@ -2262,7 +2262,7 @@ png_image_write_to_file(png_imagep image, const char *file_name,
const void *colormap)
{
/* Write the image to the named file. */
if (image != NULL || image->version != PNG_IMAGE_VERSION)
if (image != NULL && image->version == PNG_IMAGE_VERSION)
{
if (file_name != NULL)
{