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Safety checks: Add a redzoning feature.

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David Goldblatt 2019-03-22 12:53:11 -07:00 • committed by David Goldblatt
parent b92c9a1a81
commit 33e1dad680
12 changed files with 233 additions and 22 deletions
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25
src/safety_check.c
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@ -1,11 +1,24 @@
#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.h"
void safety_check_fail(const char *format, ...) {
va_list ap;
static void (*safety_check_abort)(const char *message);
va_start(ap, format);
malloc_vcprintf(NULL, NULL, format, ap);
va_end(ap);
abort();
void safety_check_set_abort(void (*abort_fn)(const char *)) {
safety_check_abort = abort_fn;
}
void safety_check_fail(const char *format, ...) {
char buf[MALLOC_PRINTF_BUFSIZE];
va_list ap;
va_start(ap, format);
malloc_vsnprintf(buf, MALLOC_PRINTF_BUFSIZE, format, ap);
va_end(ap);
if (safety_check_abort == NULL) {
malloc_write(buf);
abort();
} else {
safety_check_abort(buf);
}
}