shithub: scc

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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.

--- a/cc.h

+++ b/cc.h

@@ -24,4 +24,5 @@

 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

--- a/wrapper.c

+++ b/wrapper.c

@@ -39,3 +39,13 @@

 	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;

+}