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network: use virAsprintf when appropriate

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* src/conf/network_conf.c (virNetworkAllocateBridge): Avoid
limited buffer from snprintf.
This commit is contained in:
Eric Blake 2010-08-31 14:25:49 -06:00
parent ff578973c7
commit ff82941604
1 changed files with 6 additions and 9 deletions
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15
src/conf/network_conf.c
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@ -891,17 +891,14 @@ char *virNetworkAllocateBridge(const virNetworkObjListPtr nets,
template = "virbr%d";
do {
char try[50];
snprintf(try, sizeof(try), template, id);
if (!virNetworkBridgeInUse(nets, try, NULL)) {
if (!(newname = strdup(try))) {
virReportOOMError();
return NULL;
}
if (virAsprintf(&newname, template, id) < 0) {
virReportOOMError();
return NULL;
}
if (!virNetworkBridgeInUse(nets, newname, NULL)) {
return newname;
}
VIR_FREE(newname);
id++;
} while (id <= MAX_BRIDGE_ID);