From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: phil@nwl.cc
Subject: [PATCH nft 1/3,v2] src: use malloc() and free() from cli and main
Date: Fri, 5 Jul 2019 00:59:18 +0200 [thread overview]
Message-ID: <20190704225920.3671-1-pablo@netfilter.org> (raw)
xmalloc() and xfree() are internal symbols of the library, do not use
them.
Fixes: 16543a0136c0 ("libnftables: export public symbols only")
Reported-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@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
next reply other threads:[~2019-07-04 22:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-04 22:59 Pablo Neira Ayuso [this message]
2019-07-04 22:59 ` [PATCH nft 2/3] main: replace NFT_EXIT_NOMEM by EXIT_FAILURE Pablo Neira Ayuso
2019-07-04 22:59 ` [PATCH nft 3/3] cli: remove useless #include headers Pablo Neira Ayuso
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