libnftables: use xrealloc()

Instead of realloc(), so process stops execution in case memory
allocation fails.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/libnftables.c b/src/libnftables.c
index bd71ae9e704ff1859952d28723ce7774820ba2f0..dc0932bdbdd03fc5a0a5257a03b36c67cd02a1d3 100644 (file)
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -128,9 +128,7 @@ int nft_ctx_add_var(struct nft_ctx *ctx, const char *var)
        if (!separator)
                return -1;
 
-       tmp = realloc(ctx->vars, (pcount + 1) * sizeof(struct nft_vars));
-       if (!tmp)
-               return -1;
+       tmp = xrealloc(ctx->vars, (pcount + 1) * sizeof(struct nft_vars));
 
        *separator = '\0';
        value = separator + 1;
@@ -162,9 +160,7 @@ int nft_ctx_add_include_path(struct nft_ctx *ctx, const char *path)
        char **tmp;
        int pcount = ctx->num_include_paths;
 
-       tmp = realloc(ctx->include_paths, (pcount + 1) * sizeof(char *));
-       if (!tmp)
-               return -1;
+       tmp = xrealloc(ctx->include_paths, (pcount + 1) * sizeof(char *));
 
        ctx->include_paths = tmp;
 
@@ -465,7 +461,7 @@ static char *stdin_to_buffer(void)
                consumed += numbytes;
                if (consumed == bufsiz) {
                        bufsiz *= 2;
-                       buf = realloc(buf, bufsiz);
+                       buf = xrealloc(buf, bufsiz);
                }
                numbytes = read(STDIN_FILENO, buf + consumed, bufsiz - consumed);
        }