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libbb: add strncpy_IFNAMSIZ

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function                                             old     new   delta
...
udhcp_read_interface                                 225     220      -5
brctl_main                                          1151    1146      -5
add_interface                                        109     104      -5
ipaddr_list_or_flush                                2174    2167      -7
do_add_ioctl                                          88      80      -8
vconfig_main                                         249     240      -9
do_del_ioctl                                          78      68     -10
do_iplink                                           1186    1173     -13
do_if_fetch                                          766     753     -13
buffer_fill_and_print                                196     179     -17
parse_args                                          1709    1684     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/20 up/down: 11/-140)         Total: -129 bytes
This commit is contained in:
Denis Vlasenko
2008-12-02 18:18:50 +00:00
parent 928b2c0fee
commit 360d9661b6
19 changed files with 52 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
networking/libiproute/iptunnel.c
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@@ -34,7 +34,7 @@ static int do_ioctl_get_ifindex(char *dev)
struct ifreq ifr;
int fd;
strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, dev);
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
xioctl(fd, SIOCGIFINDEX, &ifr);
close(fd);
@@ -47,7 +47,7 @@ static int do_ioctl_get_iftype(char *dev)
int fd;
int err;
strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, dev);
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
err = ioctl_or_warn(fd, SIOCGIFHWADDR, &ifr);
close(fd);
@@ -73,7 +73,7 @@ static int do_get_ioctl(const char *basedev, struct ip_tunnel_parm *p)
int fd;
int err;
strncpy(ifr.ifr_name, basedev, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, basedev);
ifr.ifr_ifru.ifru_data = (void*)p;
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
err = ioctl_or_warn(fd, SIOCGETTUNNEL, &ifr);
@@ -88,9 +88,9 @@ static int do_add_ioctl(int cmd, const char *basedev, struct ip_tunnel_parm *p)
int fd;
if (cmd == SIOCCHGTUNNEL && p->name[0]) {
strncpy(ifr.ifr_name, p->name, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, p->name);
} else {
strncpy(ifr.ifr_name, basedev, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, basedev);
}
ifr.ifr_ifru.ifru_data = (void*)p;
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
@@ -114,9 +114,9 @@ static int do_del_ioctl(const char *basedev, struct ip_tunnel_parm *p)
int fd;
if (p->name[0]) {
strncpy(ifr.ifr_name, p->name, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, p->name);
} else {
strncpy(ifr.ifr_name, basedev, sizeof(ifr.ifr_name));
strncpy_IFNAMSIZ(ifr.ifr_name, basedev);
}
ifr.ifr_ifru.ifru_data = (void*)p;
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
@@ -148,7 +148,7 @@ static void parse_args(char **argv, int cmd, struct ip_tunnel_parm *p)
int key;
memset(p, 0, sizeof(*p));
memset(&medium, 0, sizeof(medium));
medium[0] = '\0';
p->iph.version = 4;
p->iph.ihl = 5;
@@ -250,7 +250,7 @@ static void parse_args(char **argv, int cmd, struct ip_tunnel_parm *p)
p->iph.saddr = get_addr32(*argv);
} else if (key == ARG_dev) {
NEXT_ARG();
strncpy(medium, *argv, IFNAMSIZ-1);
strncpy_IFNAMSIZ(medium, *argv);
} else if (key == ARG_ttl) {
unsigned uval;
NEXT_ARG();
@@ -279,7 +279,7 @@ static void parse_args(char **argv, int cmd, struct ip_tunnel_parm *p)
}
if (p->name[0])
duparg2("name", *argv);
strncpy(p->name, *argv, IFNAMSIZ);
strncpy_IFNAMSIZ(p->name, *argv);
if (cmd == SIOCCHGTUNNEL && count == 0) {
struct ip_tunnel_parm old_p;
memset(&old_p, 0, sizeof(old_p));
@@ -324,7 +324,6 @@ static void parse_args(char **argv, int cmd, struct ip_tunnel_parm *p)
}
}
/* Return value becomes exitcode. It's okay to not return at all */
static int do_add(int cmd, char **argv)
{