[LTP] [PATCH v2 1/2] lib: add SAFE_CALLOC macro

[Li Wang]

Signed-off-by: Li Wang <liwang@redhat.com>
---
 include/tst_safe_macros.h |  5 +++++
 lib/tst_safe_macros.c     | 15 +++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
index 53aceb5ca..f228b99e1 100644
--- a/include/tst_safe_macros.h
+++ b/include/tst_safe_macros.h
@@ -75,6 +75,11 @@ int safe_dup2(const char *file, const int lineno, int oldfd, int newfd);
 #define SAFE_MALLOC(size) \
 	safe_malloc(__FILE__, __LINE__, NULL, (size))
 
+void *safe_calloc(const char *file, const int lineno, size_t nmemb, size_t size);
+
+#define SAFE_CALLOC(nmemb, size) \
+	safe_calloc(__FILE__, __LINE__, (nmemb), (size))
+
 void *safe_realloc(const char *file, const int lineno, void *ptr, size_t size);
 
 #define SAFE_REALLOC(ptr, size) \
diff --git a/lib/tst_safe_macros.c b/lib/tst_safe_macros.c
index c6e6b15dc..40fdaca76 100644
--- a/lib/tst_safe_macros.c
+++ b/lib/tst_safe_macros.c
@@ -9,6 +9,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <sched.h>
+#include <malloc.h>
 #include <sys/ptrace.h>
 #include "config.h"
 #ifdef HAVE_SYS_FANOTIFY_H
@@ -546,6 +547,20 @@ int safe_dup2(const char *file, const int lineno, int oldfd, int newfd)
 	return rval;
 }
 
+void *safe_calloc(const char *file, const int lineno, size_t nmemb, size_t size)
+{
+	void *rval;
+
+	rval = calloc(nmemb, size);
+
+	if (rval == NULL) {
+		tst_brk_(file, lineno, TBROK | TERRNO,
+			"calloc(%zu, %zu) failed", nmemb, size);
+	}
+
+	return rval;
+}
+
 void *safe_realloc(const char *file, const int lineno, void *ptr, size_t size)
 {
 	void *ret;
-- 
2.40.1