diff options
| -rw-r--r-- | networking/brctl.c | 68 |
1 files changed, 20 insertions, 48 deletions
diff --git a/networking/brctl.c b/networking/brctl.c index 804728e..0f2c10f 100644 --- a/networking/brctl.c +++ b/networking/brctl.c @@ -66,9 +66,9 @@ //usage: "\n setpathcost BRIDGE IFACE COST Set path cost" //usage: ) // Not yet implemented: -// hairpin BRIDGE IFACE on|off Hairpin on/off -// showmacs BRIDGE List mac addrs -// showstp BRIDGE Show stp info +// hairpin BRIDGE IFACE on|off Hairpin on/off +// showmacs BRIDGE List mac addrs +// showstp BRIDGE Show stp info #include "libbb.h" #include "common_bufsiz.h" @@ -88,51 +88,23 @@ # define SIOCBRDELIF BRCTL_DEL_IF #endif -/* Use internal number parsing and not the "exact" conversion. */ -/* #define BRCTL_USE_INTERNAL 0 */ /* use exact conversion */ -#define BRCTL_USE_INTERNAL 1 - #if ENABLE_FEATURE_BRCTL_FANCY -/* FIXME: These 4 funcs are not really clean and could be improved */ -static ALWAYS_INLINE void bb_strtotimeval(struct timeval *tv, - const char *time_str) +static unsigned str_to_jiffies(const char *time_str) { - double secs; -# if BRCTL_USE_INTERNAL + double dd; char *endptr; - secs = /*bb_*/strtod(time_str, &endptr); - if (endptr == time_str) -# else - if (sscanf(time_str, "%lf", &secs) != 1) -# endif + dd = /*bb_*/strtod(time_str, &endptr); + if (endptr == time_str || dd < 0) bb_error_msg_and_die(bb_msg_invalid_arg_to, time_str, "timespec"); - tv->tv_sec = secs; - tv->tv_usec = 1000000 * (secs - tv->tv_sec); -} -static ALWAYS_INLINE unsigned long tv_to_jiffies(const struct timeval *tv) -{ - unsigned long long jif; + dd *= 100; + /* For purposes of brctl, + * capping SECONDS by ~20 million seconds is quite enough: + */ + if (dd > INT_MAX) + dd = INT_MAX; - jif = 1000000ULL * tv->tv_sec + tv->tv_usec; - - return jif/10000; -} -# if 0 -static void jiffies_to_tv(struct timeval *tv, unsigned long jiffies) -{ - unsigned long long tvusec; - - tvusec = 10000ULL*jiffies; - tv->tv_sec = tvusec/1000000; - tv->tv_usec = tvusec - 1000000 * tv->tv_sec; -} -# endif -static unsigned long str_to_jiffies(const char *time_str) -{ - struct timeval tv; - bb_strtotimeval(&tv, time_str); - return tv_to_jiffies(&tv); + return dd; } #endif @@ -208,7 +180,7 @@ static int show_bridge(const char *name, int need_hdr) return 0; } -static void write_ulong(const char *name, const char *leaf, unsigned long val) +static void write_uint(const char *name, const char *leaf, unsigned val) { char pathbuf[IFNAMSIZ + sizeof("/bridge/bridge_id") + 32]; int fd, n; @@ -219,7 +191,7 @@ static void write_ulong(const char *name, const char *leaf, unsigned long val) sprintf(pathbuf, "%.*s/%s", (int)IFNAMSIZ, name, leaf); #endif fd = xopen(pathbuf, O_WRONLY); - n = sprintf(filedata, "%lu\n", val); + n = sprintf(filedata, "%u\n", val); if (write(fd, filedata, n) < 0) bb_simple_perror_msg_and_die(name); close(fd); @@ -338,7 +310,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv) if (onoff < 0) bb_error_msg_and_die(bb_msg_invalid_arg_to, *argv, applet_name); onoff = (unsigned)onoff / 4; - write_ulong(br, "bridge/stp_state", onoff); + write_uint(br, "bridge/stp_state", onoff); //goto done_next_argv; return EXIT_SUCCESS; } @@ -349,7 +321,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv) * sethello BR N: "N*100\n" to /sys/class/net/BR/bridge/hello_time * setmaxage BR N: "N*100\n" to /sys/class/net/BR/bridge/max_age */ - write_ulong(br, + write_uint(br, nth_string( "bridge/ageing_time" "\0" /* ARG_setageing */ "bridge/forward_delay""\0" /* ARG_setfd */ @@ -364,7 +336,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv) } if (key == ARG_setbridgeprio) { - write_ulong(br, "bridge/priority", xatoi_positive(*argv)); + write_uint(br, "bridge/priority", xatoi_positive(*argv)); //goto done_next_argv; return EXIT_SUCCESS; } @@ -380,7 +352,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv) * "setportprio BR PORT N" writes "N\n" to * /sys/class/net/PORT/brport/priority */ - write_ulong(argv[0], + write_uint(argv[0], nth_string( "brport/path_cost" "\0" /* ARG_setpathcost */ "brport/priority", /* ARG_setportprio */ |