scc

commit d7b955f42d01be3dfa590b476287879bf0e046d1
parent 439fd8a6d2e636acabe21de2b9223d1030adc8b0
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 15 Aug 2012 20:34:17 +0200

Added xrealloc function

This new function is a wrapper over standard realloc, and always return a
valid pointer. In case of error call to the function out_of_memory, which
will handle the situation.

Diffstat:
M
cc.h
 | 
1
+
M
wrapper.c
 | 
10
++++++++++

2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/cc.h b/cc.h
@@ -24,4 +24,5 @@ extern void warning_error(char flag, const char *fmt, ...);
 extern void *xmalloc(size_t size);
 extern void *xcalloc(size_t nmemb, size_t size);
 extern char *xstrdup(const char *s);
+extern void *xrealloc(void *buff, register size_t size);
 #endif
diff --git a/wrapper.c b/wrapper.c
@@ -39,3 +39,13 @@ xstrdup(const char *s)
 
 	return memcpy(p, s, len);
 }
+
+void *
+xrealloc(void *buff, register size_t size)
+{
+	register void *p = realloc(buff, size);
+
+	if (!p)
+		out_of_memory();
+	return p;
+}