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gprof: sprintf sanitizer null destination pointer

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* basic_blocks.c (annotate_with_count): Use output of sprintf
	rather than strlen.
This commit is contained in:
Alan Modra
2023-08-03 08:23:51 +09:30
parent 137f6bc0da
commit 23f6f86ca0
1 changed files with 4 additions and 8 deletions
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12
gprof/basic_blocks.c
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@@ -360,8 +360,7 @@ annotate_with_count (char *buf, unsigned int width, int line_num, void *arg)
execution count (if bb_annotate_all_lines is set). */ execution count (if bb_annotate_all_lines is set). */
if (b->is_func) if (b->is_func)
{ {
sprintf (p, "%lu", b->ncalls); p += sprintf (p, "%lu", b->ncalls);
p += strlen (p);
last_count = b->ncalls; last_count = b->ncalls;
last_print = last_count; last_print = last_count;
ncalls = b->ncalls; ncalls = b->ncalls;
@@ -370,8 +369,7 @@ annotate_with_count (char *buf, unsigned int width, int line_num, void *arg)
else if (bb_annotate_all_lines else if (bb_annotate_all_lines
&& b->bb_addr[0] && b->bb_addr[0] > b->addr) && b->bb_addr[0] && b->bb_addr[0] > b->addr)
{ {
sprintf (p, "%lu", last_count); p += sprintf (p, "%lu", last_count);
p += strlen (p);
last_print = last_count; last_print = last_count;
ncalls = last_count; ncalls = last_count;
ncalls_set = 1; ncalls_set = 1;
@@ -396,8 +394,7 @@ annotate_with_count (char *buf, unsigned int width, int line_num, void *arg)
if (p > tmpbuf) if (p > tmpbuf)
*p++ = ','; *p++ = ',';
sprintf (p, "%lu", last_count); p += sprintf (p, "%lu", last_count);
p += strlen (p);
last_print = last_count; last_print = last_count;
} }
@@ -410,8 +407,7 @@ annotate_with_count (char *buf, unsigned int width, int line_num, void *arg)
if (bb_annotate_all_lines && p == tmpbuf) if (bb_annotate_all_lines && p == tmpbuf)
{ {
sprintf (p, "%lu", last_count); p += sprintf (p, "%lu", last_count);
p += strlen (p);
ncalls = last_count; ncalls = last_count;
ncalls_set = 1; ncalls_set = 1;
} }