check return value of getcwd()
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@ -468,10 +468,12 @@ void configGetCommand(redisClient *c) {
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if (stringmatch(pattern,"dir",0)) {
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char buf[1024];
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buf[0] = '\0';
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getcwd(buf,sizeof(buf));
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addReplyBulkCString(c,"dir");
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addReplyBulkCString(c,buf);
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if (getcwd(buf,sizeof(buf)) == NULL) {
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buf[0] = '\0';
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} else {
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addReplyBulkCString(c,buf);
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}
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matches++;
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}
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if (stringmatch(pattern,"dbfilename",0)) {
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