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jerrormgr.c

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00001 #include <stdio.h>
00002 #include <stdlib.h>
00003 #include "jpegwrapper.h"
00004 #include <png.h>       // Need setjmp.h included by png.h
00005 
00006 // Handle JPEG error conditions
00007 struct bcast_error_mgr {
00008   struct jpeg_error_mgr pub;    /* "public" fields */
00009 
00010   jmp_buf setjmp_buffer;        /* for return to caller */
00011 };
00012 
00013 typedef struct bcast_error_mgr* bcast_error_ptr;
00014 
00015 METHODDEF(void)
00016 bcast_error_exit (j_common_ptr cinfo)
00017 {
00018   /* cinfo->err really points to a my_error_mgr struct, so coerce pointer */
00019   bcast_error_ptr myerr = (bcast_error_ptr) cinfo->err;
00020 
00021   /* Always display the message. */
00022   /* We could postpone this until after returning, if we chose. */
00023   (*cinfo->err->output_message) (cinfo);
00024 
00025   /* Return control to the setjmp point */
00026   longjmp(myerr->setjmp_buffer, 1);
00027 }

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