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[devel] Bump to version libpng-1.5.0beta11

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This commit is contained in:
Glenn Randers-Pehrson
2010-03-03 05:38:29 -06:00
parent 6c2e919c7e
commit 65a223794a
50 changed files with 108 additions and 165 deletions
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37
contrib/gregbook/writepng.c
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@@ -60,10 +60,6 @@
#include "writepng.h" /* typedefs, common macros, public prototypes */
/* local prototype */
static void writepng_error_handler(png_structp png_ptr, png_const_charp msg);
void writepng_version_info(void)
@@ -90,7 +86,7 @@ int writepng_init(mainprog_info *mainprog_ptr)
/* could also replace libpng warning-handler (final NULL), but no need: */
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr,
writepng_error_handler, NULL);
NULL, NULL);
if (!png_ptr)
return 4; /* out of memory */
@@ -359,34 +355,3 @@ void writepng_cleanup(mainprog_info *mainprog_ptr)
if (png_ptr && info_ptr)
png_destroy_write_struct(&png_ptr, &info_ptr);
}
static void writepng_error_handler(png_structp png_ptr, png_const_charp msg)
{
mainprog_info *mainprog_ptr;
/* This function, aside from the extra step of retrieving the "error
* pointer" (below) and the fact that it exists within the application
* rather than within libpng, is essentially identical to libpng's
* default error handler. The second point is critical: since both
* setjmp() and longjmp() are called from the same code, they are
* guaranteed to have compatible notions of how big a jmp_buf is,
* regardless of whether _BSD_SOURCE or anything else has (or has not)
* been defined. */
fprintf(stderr, "writepng libpng error: %s\n", msg);
fflush(stderr);
mainprog_ptr = png_get_error_ptr(png_ptr);
if (mainprog_ptr == NULL) { /* we are completely hosed now */
fprintf(stderr,
"writepng severe error: jmpbuf not recoverable; terminating.\n");
fflush(stderr);
exit(99);
}
png_longjmp(png_ptr, 1);
}