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Make sure that sensible values are extracted from a raw header.

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This commit is contained in:
Nick Clifton 1999-09-24 09:03:49 +00:00
parent d3426803c5
commit 2d35e9f64f
2 changed files with 14 additions and 0 deletions
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5
gprof/ChangeLog
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@ -1,3 +1,8 @@
1999-09-24 Nick Clifton <nickc@cygnus.com>
* gmon_io.c (gmon_out_read): Make sure that sensible values
are extracted from a raw header.
1999-08-06 Ian Lance Taylor <ian@zembu.com>
From Brad Lucier <lucier@math.purdue.edu>:

9
gprof/gmon_io.c
View File

@ -251,6 +251,15 @@ DEFUN (gmon_out_read, (filename), const char *filename)
printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
samp_bytes, hist_num_bins));
/* Make sure that we have sensible values. */
if (samp_bytes < 0 || lowpc > highpc)
{
fprintf (stderr,
_("%s: file '%s' does not appear to be in gmon.out format\n"),
whoami, filename);
done (1);
}
if (hist_num_bins)
{
++nhist;