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qemu-ga: Optimize var declaration and definition

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Variable declarations moved to the beginning of blocks
Followed the coding style of using snake_case for variable names.
Proper initialization of param 'size_t n' to '0' for

Signed-off-by: Dehan Meng <demeng@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Message-ID: <20241107102155.57573-3-kkostiuk@redhat.com>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
This commit is contained in:
Dehan Meng 2024-11-07 12:21:54 +02:00 • committed by Konstantin Kostiuk
parent 32bd9e206e
commit ccc2dfab57
1 changed files with 42 additions and 50 deletions
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92
qga/commands-linux.c
View file

@ -2093,12 +2093,12 @@ GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp)
return head; return head;
} }
static char *hexToIPAddress(const void *hexValue, int is_ipv6) static char *hex_to_ip_address(const void *hex_value, int is_ipv6)
{ {
if (is_ipv6) { if (is_ipv6) {
char addr[INET6_ADDRSTRLEN]; char addr[INET6_ADDRSTRLEN];
struct in6_addr in6; struct in6_addr in6;
const char *hexStr = (const char *)hexValue; const char *hex_str = (const char *)hex_value;
int i; int i;
for (i = 0; i < 16; i++) { for (i = 0; i < 16; i++) {
@ -2110,11 +2110,11 @@ static char *hexToIPAddress(const void *hexValue, int is_ipv6)
return g_strdup(addr); return g_strdup(addr);
} else { } else {
unsigned int hexInt = *(unsigned int *)hexValue; unsigned int hex_int = *(unsigned int *)hex_value;
unsigned int byte1 = (hexInt >> 24) & 0xFF; unsigned int byte1 = (hex_int >> 24) & 0xFF;
unsigned int byte2 = (hexInt >> 16) & 0xFF; unsigned int byte2 = (hex_int >> 16) & 0xFF;
unsigned int byte3 = (hexInt >> 8) & 0xFF; unsigned int byte3 = (hex_int >> 8) & 0xFF;
unsigned int byte4 = hexInt & 0xFF; unsigned int byte4 = hex_int & 0xFF;
return g_strdup_printf("%u.%u.%u.%u", byte4, byte3, byte2, byte1); return g_strdup_printf("%u.%u.%u.%u", byte4, byte3, byte2, byte1);
} }
@ -2123,20 +2123,21 @@ static char *hexToIPAddress(const void *hexValue, int is_ipv6)
GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp)
{ {
GuestNetworkRouteList *head = NULL, **tail = &head; GuestNetworkRouteList *head = NULL, **tail = &head;
const char *routeFiles[] = {"/proc/net/route", "/proc/net/ipv6_route"}; const char *route_files[] = {"/proc/net/route", "/proc/net/ipv6_route"};
FILE *fp; FILE *fp;
size_t n; size_t n = 0;
char *line = NULL; char *line = NULL;
int firstLine; int firstLine;
int is_ipv6; int is_ipv6;
int i; int i;
char iface[IFNAMSIZ];
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
firstLine = 1; firstLine = 1;
is_ipv6 = (i == 1); is_ipv6 = (i == 1);
fp = fopen(routeFiles[i], "r"); fp = fopen(route_files[i], "r");
if (fp == NULL) { if (fp == NULL) {
error_setg_errno(errp, errno, "open(\"%s\")", routeFiles[i]); error_setg_errno(errp, errno, "open(\"%s\")", route_files[i]);
free(line); free(line);
continue; continue;
} }
@ -2146,73 +2147,64 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp)
firstLine = 0; firstLine = 0;
continue; continue;
} }
char Iface[IFNAMSIZ];
g_autoptr(GuestNetworkRoute) route = g_new0(GuestNetworkRoute, 1); g_autoptr(GuestNetworkRoute) route = g_new0(GuestNetworkRoute, 1);
if (is_ipv6) { if (is_ipv6) {
char Destination[33], Source[33], NextHop[33]; char destination[33], source[33], next_hop[33];
int DesPrefixlen, SrcPrefixlen, Metric, RefCnt, Use, Flags; int des_prefixlen, src_prefixlen, metric, refcnt, use, flags;
/* Parse the line and extract the values */
if (sscanf(line, "%32s %x %32s %x %32s %x %x %x %x %s", if (sscanf(line, "%32s %x %32s %x %32s %x %x %x %x %s",
Destination, &DesPrefixlen, Source, destination, &des_prefixlen, source,
&SrcPrefixlen, NextHop, &Metric, &RefCnt, &src_prefixlen, next_hop, &metric, &refcnt,
&Use, &Flags, Iface) != 10) { &use, &flags, iface) != 10) {
continue; continue;
} }
route->iface = g_strdup(Iface); route->destination = hex_to_ip_address(destination, 1);
route->destination = hexToIPAddress(Destination, 1);
if (route->destination == NULL) { if (route->destination == NULL) {
continue; continue;
} }
route->metric = Metric; route->iface = g_strdup(iface);
route->source = hexToIPAddress(Source, 1); route->source = hex_to_ip_address(source, 1);
route->desprefixlen = g_strdup_printf( route->nexthop = hex_to_ip_address(next_hop, 1);
"%d", DesPrefixlen route->desprefixlen = g_strdup_printf("%d", des_prefixlen);
); route->srcprefixlen = g_strdup_printf("%d", src_prefixlen);
route->srcprefixlen = g_strdup_printf( route->metric = metric;
"%d", SrcPrefixlen
);
route->nexthop = hexToIPAddress(NextHop, 1);
route->has_flags = true; route->has_flags = true;
route->flags = Flags; route->flags = flags;
route->has_refcnt = true; route->has_refcnt = true;
route->refcnt = RefCnt; route->refcnt = refcnt;
route->has_use = true; route->has_use = true;
route->use = Use; route->use = use;
route->version = 6; route->version = 6;
} else { } else {
unsigned int Destination, Gateway, Mask, Flags; unsigned int destination, gateway, mask, flags;
int RefCnt, Use, Metric, MTU, Window, IRTT; int refcnt, use, metric, mtu, window, irtt;
/* Parse the line and extract the values */
if (sscanf(line, "%s %X %X %x %d %d %d %X %d %d %d", if (sscanf(line, "%s %X %X %x %d %d %d %X %d %d %d",
Iface, &Destination, &Gateway, &Flags, &RefCnt, iface, &destination, &gateway, &flags, &refcnt,
&Use, &Metric, &Mask, &MTU, &Window, &IRTT) != 11) { &use, &metric, &mask, &mtu, &window, &irtt) != 11) {
continue; continue;
} }
route->iface = g_strdup(Iface); route->destination = hex_to_ip_address(&destination, 0);
route->destination = hexToIPAddress(&Destination, 0);
if (route->destination == NULL) { if (route->destination == NULL) {
continue; continue;
} }
route->gateway = hexToIPAddress(&Gateway, 0); route->iface = g_strdup(iface);
route->mask = hexToIPAddress(&Mask, 0); route->gateway = hex_to_ip_address(&gateway, 0);
route->metric = Metric; route->mask = hex_to_ip_address(&mask, 0);
route->metric = metric;
route->has_flags = true; route->has_flags = true;
route->flags = Flags; route->flags = flags;
route->has_refcnt = true; route->has_refcnt = true;
route->refcnt = RefCnt; route->refcnt = refcnt;
route->has_use = true; route->has_use = true;
route->use = Use; route->use = use;
route->has_mtu = true; route->has_mtu = true;
route->mtu = MTU; route->mtu = mtu;
route->has_window = true; route->has_window = true;
route->window = Window; route->window = window;
route->has_irtt = true; route->has_irtt = true;
route->irtt = IRTT; route->irtt = irtt;
route->version = 4; route->version = 4;
} }