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block/dmg: Declare a type definition for DMG uncompress function

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Introduce the BdrvDmgUncompressFunc type defintion. To emphasis
dmg_uncompress_bz2 and dmg_uncompress_lzfse are pointer to functions,
declare them using this new typedef.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230320152610.32052-1-philmd@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2023-03-20 16:26:10 +01:00 committed by Stefan Hajnoczi
parent ac5f7bf8e2
commit fdd5e90fdb
2 changed files with 6 additions and 9 deletions
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7
block/dmg.c
View File

@ -31,11 +31,8 @@
#include "qemu/memalign.h"
#include "dmg.h"
int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in,
char *next_out, unsigned int avail_out);
int (*dmg_uncompress_lzfse)(char *next_in, unsigned int avail_in,
char *next_out, unsigned int avail_out);
BdrvDmgUncompressFunc *dmg_uncompress_bz2;
BdrvDmgUncompressFunc *dmg_uncompress_lzfse;
enum {
/* Limit chunk sizes to prevent unreasonable amounts of memory being used

8
block/dmg.h
View File

@ -51,10 +51,10 @@ typedef struct BDRVDMGState {
z_stream zstream;
} BDRVDMGState;
extern int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in,
char *next_out, unsigned int avail_out);
typedef int BdrvDmgUncompressFunc(char *next_in, unsigned int avail_in,
char *next_out, unsigned int avail_out);
extern int (*dmg_uncompress_lzfse)(char *next_in, unsigned int avail_in,
char *next_out, unsigned int avail_out);
extern BdrvDmgUncompressFunc *dmg_uncompress_bz2;
extern BdrvDmgUncompressFunc *dmg_uncompress_lzfse;
#endif