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fix usertrace and genevent for printf alignment
[lttv.git]
/
ltt-usertrace
/
ltt
/
ltt-facility-custom-user_generic.h
diff --git
a/ltt-usertrace/ltt/ltt-facility-custom-user_generic.h
b/ltt-usertrace/ltt/ltt-facility-custom-user_generic.h
index a958d4bc0b7dbfe772479404ba19a613d72ac3de..9b56ff8f3eacf7a3e816112df398bac35e8fcf37 100644
(file)
--- a/
ltt-usertrace/ltt/ltt-facility-custom-user_generic.h
+++ b/
ltt-usertrace/ltt/ltt-facility-custom-user_generic.h
@@
-20,11
+20,12
@@
static int trace_user_generic_slow_printf(
#else
{
/* Guess we need no more than 100 bytes. */
#else
{
/* Guess we need no more than 100 bytes. */
- int n, size = 10
0
;
+ int n, size = 10
4
;
char *p, *np;
va_list ap;
int ret;
char *p, *np;
va_list ap;
int ret;
+ size += ltt_align(size, sizeof(void*));
if ((p = malloc (size)) == NULL)
return -1;
if ((p = malloc (size)) == NULL)
return -1;
@@
-35,7
+36,7
@@
static int trace_user_generic_slow_printf(
va_end(ap);
/* If that worked, trace the string. */
if (n > -1 && n < size) {
va_end(ap);
/* If that worked, trace the string. */
if (n > -1 && n < size) {
- ret = trace_user_generic_slow_printf_param_buffer(p, n+1);
+ ret = trace_user_generic_slow_printf_param_buffer(p, n+1
+ltt_align(n+1, sizeof(void*))
);
free(p);
return ret;
}
free(p);
return ret;
}
@@
-44,6
+45,7
@@
static int trace_user_generic_slow_printf(
size = n+1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
size = n+1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
+ size += ltt_align(size, sizeof(void*));
if ((np = realloc (p, size)) == NULL) {
free(p);
return -1;
if ((np = realloc (p, size)) == NULL) {
free(p);
return -1;
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