| 1 | /*
|
|---|
| 2 | * jcomapi.c
|
|---|
| 3 | *
|
|---|
| 4 | * Copyright (C) 1994-1997, Thomas G. Lane.
|
|---|
| 5 | * This file is part of the Independent JPEG Group's software.
|
|---|
| 6 | * For conditions of distribution and use, see the accompanying README file.
|
|---|
| 7 | *
|
|---|
| 8 | * This file contains application interface routines that are used for both
|
|---|
| 9 | * compression and decompression.
|
|---|
| 10 | */
|
|---|
| 11 |
|
|---|
| 12 | #define JPEG_INTERNALS
|
|---|
| 13 | #include "jinclude.h"
|
|---|
| 14 | #include "jpeglib.h"
|
|---|
| 15 |
|
|---|
| 16 |
|
|---|
| 17 | /*
|
|---|
| 18 | * Abort processing of a JPEG compression or decompression operation,
|
|---|
| 19 | * but don't destroy the object itself.
|
|---|
| 20 | *
|
|---|
| 21 | * For this, we merely clean up all the nonpermanent memory pools.
|
|---|
| 22 | * Note that temp files (virtual arrays) are not allowed to belong to
|
|---|
| 23 | * the permanent pool, so we will be able to close all temp files here.
|
|---|
| 24 | * Closing a data source or destination, if necessary, is the application's
|
|---|
| 25 | * responsibility.
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 | GLOBAL(void)
|
|---|
| 29 | jpeg_abort (j_common_ptr cinfo)
|
|---|
| 30 | {
|
|---|
| 31 | int pool;
|
|---|
| 32 |
|
|---|
| 33 | /* Do nothing if called on a not-initialized or destroyed JPEG object. */
|
|---|
| 34 | if (cinfo->mem == NULL)
|
|---|
| 35 | return;
|
|---|
| 36 |
|
|---|
| 37 | /* Releasing pools in reverse order might help avoid fragmentation
|
|---|
| 38 | * with some (brain-damaged) malloc libraries.
|
|---|
| 39 | */
|
|---|
| 40 | for (pool = JPOOL_NUMPOOLS-1; pool > JPOOL_PERMANENT; pool--) {
|
|---|
|
|---|
