[PATCH nft 1/3,v2] src: use malloc() and free() from cli and main

[Pablo Neira Ayuso]

xmalloc() and xfree() are internal symbols of the library, do not use
them.

Fixes: 16543a0136c0 ("libnftables: export public symbols only")
Reported-by: Phil Sutter <p...@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
v2: exit() in case of OOM from cli

 src/cli.c  | 12 +++++++++---
 src/main.c |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/cli.c b/src/cli.c
index ca3869abe335..bbdd0fdbeeb8 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -63,9 +63,15 @@ static char *cli_append_multiline(char *line)
                rl_set_prompt(".... ");
        } else {
                len += strlen(multiline);
-               s = xmalloc(len + 1);
+               s = malloc(len + 1);
+               if (!s) {
+                       fprintf(stderr, "%s:%u: Memory allocation failure\n",
+                               __FILE__, __LINE__);
+                       cli_exit();
+                       exit(EXIT_FAILURE);
+               }
                snprintf(s, len + 1, "%s%s", multiline, line);
-               xfree(multiline);
+               free(multiline);
                multiline = s;
        }
        line = NULL;
@@ -111,7 +117,7 @@ static void cli_complete(char *line)
                add_history(line);
 
        nft_run_cmd_from_buffer(cli_nft, line);
-       xfree(line);
+       free(line);
 }
 
 static char **cli_completion(const char *text, int start, int end)
diff --git a/src/main.c b/src/main.c
index 8e6c897cdd36..694611224d07 100644
--- a/src/main.c
+++ b/src/main.c
@@ -329,7 +329,7 @@ int main(int argc, char * const *argv)
                exit(EXIT_FAILURE);
        }
 
-       xfree(buf);
+       free(buf);
        nft_ctx_free(nft);
 
        return rc;
-- 
2.11.0