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Replace snprintf with dm_snprintf

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Use dm_snprintf with known error case return code (-1).
This commit is contained in:
Zdenek Kabelac 2010-11-30 22:16:25 +00:00
parent 41cf252f0b
commit a8d4cd68eb
2 changed files with 11 additions and 11 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.78 -
====================================
Replace snprintf with dm_snprintf in clvmd-command.c.
Check reallocated buffer for NULL before use in clvmd do_command().
Fix memory leak when VG allocation policy in metadata is invalid.
Ignore unrecognised allocation policy found in metadata instead of aborting.

11
daemons/clvmd/clvmd-command.c
View File

@ -97,7 +97,7 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
}
if (*buf) {
uname(&nodeinfo);
*retlen = 1 + snprintf(*buf, buflen,
*retlen = 1 + dm_snprintf(*buf, buflen,
"TEST from %s: %s v%s",
nodeinfo.nodename, args,
nodeinfo.release);
@ -121,8 +121,7 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
status = do_lock_lv(lock_cmd, lock_flags, lockname);
/* Replace EIO with something less scary */
if (status == EIO) {
*retlen =
1 + snprintf(*buf, buflen, "%s",
*retlen = 1 + dm_snprintf(*buf, buflen, "%s",
get_last_lvm_error());
return EIO;
}
@ -133,7 +132,7 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
if (buflen < 3)
return EIO;
if ((locktype = do_lock_query(lockname)))
*retlen = 1 + snprintf(*buf, buflen, "%s", locktype);
*retlen = 1 + dm_snprintf(*buf, buflen, "%s", locktype);
break;
case CLVMD_CMD_REFRESH:
@ -169,7 +168,7 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
/* Check the status of the command and return the error text */
if (status) {
*retlen = 1 + (*buf) ? snprintf(*buf, buflen, "%s",
*retlen = 1 + (*buf) ? dm_snprintf(*buf, buflen, "%s",
strerror(status)) : -1;
}
@ -377,7 +376,7 @@ static int restart_clvmd(void)
/* Propogate debug options */
if (debug) {
if (!(debug_arg = malloc(16)) ||
snprintf(debug_arg, 16, "-d%d", (int)debug) < 0)
dm_snprintf(debug_arg, 16, "-d%d", (int)debug) < 0)
goto_out;
argv[argc++] = debug_arg;
}