make range allocation dynamic

[debian/dhcpd-pools.git] / src / other.c

diff --git a/src/other.c b/src/other.c
index d8f9ac4..21a763a 100644 (file)
--- a/src/other.c
+++ b/src/other.c
@@ -41,7 +41,6 @@ extern char *malloc();
 void *safe_malloc(const size_t size)
 {
        void *ret = malloc(size);
-
        if (ret == NULL) {
                err(EXIT_FAILURE,
                    "safe_malloc: cannot allocate %lu bytes: ", size);
@@ -50,6 +49,17 @@ void *safe_malloc(const size_t size)
        return ret;
 }
 
+/* Simple memory reallocation wrapper */
+void *safe_realloc(void *ptr, const size_t size)
+{
+       void *ret = realloc(ptr, size);
+
+       if (!ret && size)
+               err(EXIT_FAILURE,
+                   "safe_realloc: cannot allocate %zu bytes", size);
+       return ret;
+}
+
 /* Simple strdup wrapper */
 char *safe_strdup(const char *str)
 {
@@ -108,7 +118,7 @@ void print_version(void)
                "This is free software: you are free to change and redistribute it.\n");
        fprintf(stdout,
                "There is NO WARRANTY, to the extent permitted by law.\n");
-        exit(EXIT_SUCCESS);
+       exit(EXIT_SUCCESS);
 }
 
 void usage(int status)