* gmon_io.c (gmon_out_read): When reading old format gmon.out,

	set num_histograms and hist_scale.

diff --git a/gprof/ChangeLog b/gprof/ChangeLog
index 9faca5a..cb8e1fb 100644 (file)
--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@@ -1,3 +1,8 @@
+2008-08-05  Brian Dessent  <brian@dessent.net>
+
+       * gmon_io.c (gmon_out_read): When reading old format gmon.out,
+       set num_histograms and hist_scale.
+
 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
 
        * Makefile.am (POTFILES.in): Set LC_ALL=C.

diff --git a/gprof/gmon_io.c b/gprof/gmon_io.c
index 4639932..8d1071a 100644 (file)
--- a/gprof/gmon_io.c
+++ b/gprof/gmon_io.c
@@ -493,10 +493,13 @@ gmon_out_read (const char *filename)
 
       if (!histograms)
        {
+         num_histograms = 1;
          histograms = xmalloc (sizeof (struct histogram));
          histograms->lowpc = tmp.low_pc;
          histograms->highpc = tmp.high_pc;
          histograms->num_bins = hist_num_bins;
+         hist_scale = (double)((tmp.high_pc - tmp.low_pc) / sizeof (UNIT))
+           / hist_num_bins;
          histograms->sample = xmalloc (hist_num_bins * sizeof (int));
          memset (histograms->sample, 0, 
                  hist_num_bins * sizeof (int));