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omfdump.c: add updates from Bernd Böckmann

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Bernd Böcknann has been maintaining a fork of this tool on github:

      https://github.com/boeckmann/omfdump

Sync with his latest version. In the future it might be possible to
drop this tool from the NASM distribution entirely.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel) 2026-06-07 21:00:04 -07:00
parent ed8864e342
commit 6015afc6d7
1 changed files with 7 additions and 6 deletions
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13
misc/omfdump.c
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@ -92,6 +92,7 @@ static void *nulldie(void *ptr)
fprintf(stderr, "%s: memory allocation error\n", progname);
exit(1);
abort(); /* This should never happen */
return NULL; /* make compiler happy */
}
static void *xmalloc(size_t size)
@ -110,7 +111,7 @@ static void *expand_buffer(void *buf, size_t *bufsizep, size_t datasize,
{
size_t bufsize = *bufsizep;
if (likely(bufsize < datasize))
if (likely(bufsize > datasize))
return buf;
if (bufsize < BUFSIZ)
@ -159,12 +160,12 @@ static void hexdump_data(unsigned int offset, const uint8_t *data,
printf(" %04x: ", i + offset);
for (j = 0; j < 16; j++) {
char sep = (j == 7) ? '-' : ' ';
if (i + j < field)
printf("%02x%c", data[i + j], sep);
else if (i + j < n)
printf("xx%c", sep); /* Beyond end of... */
else
if (i + j >= n)
printf(" "); /* No separator */
else if (i + j < field)
printf("%02x%c", data[i + j], sep);
else
printf("xx%c", sep); /* Beyond end of... */
}
printf(" : ");
for (j = 0; j < 16; j++) {