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| -rw-r--r-- | gprof/ChangeLog | 5 | ||||
| -rw-r--r-- | gprof/gmon_io.c | 9 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gprof/ChangeLog b/gprof/ChangeLog index 2f490fb..ae5e9f4 100644 --- a/gprof/ChangeLog +++ b/gprof/ChangeLog @@ -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>: diff --git a/gprof/gmon_io.c b/gprof/gmon_io.c index 067323c..7e0a1a0 100644 --- a/gprof/gmon_io.c +++ b/gprof/gmon_io.c @@ -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; |