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[libpng16] Tidied up pngfix inits and fixed non-write pngtest.

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This commit is contained in:
John Bowler
2013-12-01 15:07:09 -06:00
committed by Glenn Randers-Pehrson
parent 1f23775d10
commit 81dfd007b2
4 changed files with 11 additions and 19 deletions
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16
contrib/tools/pngfix.c
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@@ -1575,7 +1575,7 @@ chunk_end(struct chunk **chunk_var)
}
static void
chunk_init(struct chunk *chunk, struct file *file)
chunk_init(struct chunk * const chunk, struct file * const file)
/* When a chunk is initialized the file length/type/pos are copied into the
* corresponding chunk fields and the new chunk is registered in the file
* structure. There can only be one chunk at a time.
@@ -1784,7 +1784,7 @@ IDAT_end(struct IDAT **idat_var)
}
static void
IDAT_init(struct IDAT *idat, struct file *file)
IDAT_init(struct IDAT * const idat, struct file * const file)
/* When the chunk is png_IDAT instantiate an IDAT control structure in place
* of a chunk control structure. The IDAT will instantiate a chunk control
* structure using the file alloc routine.
@@ -3545,22 +3545,14 @@ allocate(struct file *file, int allocate_idat)
if (allocate_idat)
{
struct IDAT *idat;
assert(file->idat == NULL);
idat = &control->idat;
IDAT_init(idat, file);
file->idat = idat;
IDAT_init(&control->idat, file);
}
else /* chunk */
{
struct chunk *chunk;
assert(file->chunk == NULL);
chunk = &control->chunk;
chunk_init(chunk, file);
file->chunk = chunk;
chunk_init(&control->chunk, file);
}
}