By making use of GNU C's cleanup attribute handled by the VIR_AUTOFREE macro for declaring scalar variables, majority of the VIR_FREE calls can be dropped, which in turn leads to getting rid of most of our cleanup sections. Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@xxxxxxxxx> Reviewed-by: Erik Skultety <eskultet@xxxxxxxxxx> --- src/util/virsocketaddr.c | 70 ++++++++++++++++++++---------------------------- 1 file changed, 29 insertions(+), 41 deletions(-) diff --git a/src/util/virsocketaddr.c b/src/util/virsocketaddr.c index 6b52a3d..eee725d 100644 --- a/src/util/virsocketaddr.c +++ b/src/util/virsocketaddr.c @@ -432,10 +432,10 @@ virSocketAddrFormatFull(const virSocketAddr *addr, if (withService) { if (virAsprintf(&addrstr, VIR_LOOPBACK_IPV4_ADDR"%s0", separator ? separator : ":") < 0) - goto error; + return NULL; } else { if (VIR_STRDUP(addrstr, VIR_LOOPBACK_IPV4_ADDR) < 0) - goto error; + return NULL; } return addrstr; } @@ -452,33 +452,27 @@ virSocketAddrFormatFull(const virSocketAddr *addr, } if (withService) { - char *ipv6_host = NULL; + VIR_AUTOFREE(char *) ipv6_host = NULL; /* sasl_new_client demands the socket address to be in an odd format: * a.b.c.d;port or e:f:g:h:i:j:k:l;port, so use square brackets for * IPv6 only if no separator is passed to the function */ if (!separator && VIR_SOCKET_ADDR_FAMILY(addr) == AF_INET6) { if (virAsprintf(&ipv6_host, "[%s]", host) < 0) - goto error; + return NULL; } if (virAsprintf(&addrstr, "%s%s%s", ipv6_host ? ipv6_host : host, separator ? separator : ":", port) == -1) { - VIR_FREE(ipv6_host); - goto error; + return NULL; } - - VIR_FREE(ipv6_host); } else { if (VIR_STRDUP(addrstr, host) < 0) - goto error; + return NULL; } return addrstr; - - error: - return NULL; } @@ -759,24 +753,26 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, int ret = 0; size_t i; virSocketAddr netmask; - char *startStr = NULL, *endStr = NULL, *netStr = NULL; + VIR_AUTOFREE(char *) startStr = NULL; + VIR_AUTOFREE(char *) endStr = NULL; + VIR_AUTOFREE(char *) netStr = NULL; if (start == NULL || end == NULL) { virReportError(VIR_ERR_INTERNAL_ERROR, _("NULL argument - %p %p"), start, end); - goto error; + return -1; } startStr = virSocketAddrFormat(start); endStr = virSocketAddrFormat(end); if (!startStr || !endStr) - goto error; /*error already reported */ + return -1; /*error already reported */ if (VIR_SOCKET_ADDR_FAMILY(start) != VIR_SOCKET_ADDR_FAMILY(end)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("mismatch of address family in range %s - %s"), startStr, endStr); - goto error; + return -1; } if (network) { @@ -784,14 +780,14 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, * network the range should be within */ if (!(netStr = virSocketAddrFormat(network))) - goto error; + return -1; if (VIR_SOCKET_ADDR_FAMILY(start) != VIR_SOCKET_ADDR_FAMILY(network)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("mismatch of address family in " "range %s - %s for network %s"), startStr, endStr, netStr); - goto error; + return -1; } if (prefix < 0 || @@ -801,7 +797,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("bad prefix %d for network %s when " " checking range %s - %s"), prefix, netStr, startStr, endStr); - goto error; + return -1; } /* both start and end of range need to be within network */ @@ -811,7 +807,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("range %s - %s is not entirely within " "network %s/%d"), startStr, endStr, netStr, prefix); - goto error; + return -1; } if (VIR_SOCKET_ADDR_IS_FAMILY(start, AF_INET)) { @@ -823,7 +819,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("failed to construct broadcast or network " "address for network %s/%d"), netStr, prefix); - goto error; + return -1; } /* Don't allow the start of the range to be the network @@ -838,7 +834,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("start of range %s - %s in network %s/%d " "is the network address"), startStr, endStr, netStr, prefix); - goto error; + return -1; } if (virSocketAddrEqual(end, &broadcast)) { @@ -846,7 +842,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("end of range %s - %s in network %s/%d " "is the broadcast address"), startStr, endStr, netStr, prefix); - goto error; + return -1; } } } @@ -860,7 +856,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("failed to get IPv4 address " "for start or end of range %s - %s"), startStr, endStr); - goto error; + return -1; } /* legacy check that everything except the last two bytes @@ -868,10 +864,10 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, */ for (i = 0; i < 2; i++) { if (t1[i] != t2[i]) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("range %s - %s is too large (> 65535)"), - startStr, endStr); - goto error; + virReportError(VIR_ERR_INTERNAL_ERROR, + _("range %s - %s is too large (> 65535)"), + startStr, endStr); + return -1; } } ret = (t2[2] - t1[2]) * 256 + (t2[3] - t1[3]); @@ -879,7 +875,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, virReportError(VIR_ERR_INTERNAL_ERROR, _("range %s - %s is reversed "), startStr, endStr); - goto error; + return -1; } ret++; } else if (VIR_SOCKET_ADDR_IS_FAMILY(start, AF_INET6)) { @@ -891,7 +887,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("failed to get IPv6 address " "for start or end of range %s - %s"), startStr, endStr); - goto error; + return -1; } /* legacy check that everything except the last two bytes are @@ -902,7 +898,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, virReportError(VIR_ERR_INTERNAL_ERROR, _("range %s - %s is too large (> 65535)"), startStr, endStr); - goto error; + return -1; } } ret = t2[7] - t1[7]; @@ -910,7 +906,7 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, virReportError(VIR_ERR_INTERNAL_ERROR, _("range %s - %s start larger than end"), startStr, endStr); - goto error; + return -1; } ret++; } else { @@ -918,18 +914,10 @@ virSocketAddrGetRange(virSocketAddrPtr start, virSocketAddrPtr end, _("unsupported address family " "for range %s - %s, must be ipv4 or ipv6"), startStr, endStr); - goto error; + return -1; } - cleanup: - VIR_FREE(startStr); - VIR_FREE(endStr); - VIR_FREE(netStr); return ret; - - error: - ret = -1; - goto cleanup; } -- 1.8.3.1 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list