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fix a setjmp() loop in pngread

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see

https://github.com/jcupitt/libvips/issues/175

stupid setjmp()
This commit is contained in:
John Cupitt 2014-09-10 09:05:13 +01:00
parent 158237254d
commit 8875e23128
1 changed files with 5 additions and 0 deletions
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5
libvips/foreign/vipspng.c
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@ -509,6 +509,11 @@ png2vips_generate( VipsRegion *or,
read->y_pos += 1; read->y_pos += 1;
} }
/* Turn errors back on. png_read_end() can trigger them too.
*/
if( setjmp( png_jmpbuf( read->pPng ) ) )
return( -1 );
/* We need to shut down the reader immediately at the end of read or /* We need to shut down the reader immediately at the end of read or
* we won't detach ready for the next image. * we won't detach ready for the next image.
*/ */