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util/hexdump: introduce qemu_hexdump_line()

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Dumping one line of hexadecimal/ASCII from a buffer is often needed.
Move this part from qemu_hexdump() and use it

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200925091055.186023-2-lvivier@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Laurent Vivier 2020-09-25 11:10:54 +02:00 • committed by Michael S. Tsirkin
parent f68ec01fe9
commit bbb169080f
2 changed files with 42 additions and 20 deletions
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8
include/qemu-common.h
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@ -134,6 +134,14 @@ void os_setup_early_signal_handling(void);
char *os_find_datadir(void);
int os_parse_cmd_args(int index, const char *optarg);
/*
* Hexdump a line of a byte buffer into a hexadecimal/ASCII buffer
*/
#define QEMU_HEXDUMP_LINE_BYTES 16 /* Number of bytes to dump */
#define QEMU_HEXDUMP_LINE_LEN 75 /* Number of characters in line */
void qemu_hexdump_line(char *line, unsigned int b, const void *bufptr,
unsigned int len, bool ascii);
/*
* Hexdump a buffer to a file. An optional string prefix is added to every line
*/