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Fix dump output in qemu-io. 

The dump output was not nicely formatted for bytes
larger than 0x7f, because signed values expanded to
sizeof(int) bytes. So for example 0xab did not print
as "ab", but as "ffffffab".

I also cleaned the function prototype, which avoids
new type casts and allows to remove an existing
type cast.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Weil 2009-06-21 18:35:03 +02:00 committed by Anthony Liguori
parent ffe6370c9f
commit 3abcdf4904
1 changed files with 4 additions and 4 deletions
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8
qemu-io.c
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@ -54,20 +54,20 @@ static void qemu_io_free(void *p)
}
static void
dump_buffer(char *buffer, int64_t offset, int len)
dump_buffer(const void *buffer, int64_t offset, int len)
{
int i, j;
char *p;
const uint8_t *p;
for (i = 0, p = buffer; i < len; i += 16) {
char *s = p;
const uint8_t *s = p;
printf("%08llx: ", (unsigned long long)offset + i);
for (j = 0; j < 16 && i + j < len; j++, p++)
printf("%02x ", *p);
printf(" ");
for (j = 0; j < 16 && i + j < len; j++, s++) {
if (isalnum((int)*s))
if (isalnum(*s))
printf("%c", *s);
else
printf(".");