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m_action: style cleanup 

Break long lines, and use bool where possible.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2017-11-26 12:36:15 -08:00
parent eb4bccf12b
commit ed4856919f
1 changed files with 45 additions and 32 deletions
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77
tc/m_action.c
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@ -11,10 +11,11 @@
* TODO:
* - parse to be passed a filedescriptor for logging purposes
*
*/
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
@ -41,7 +42,7 @@ static void act_usage(void)
* with any action .so from the old days. But if someone really
* does that, they would know how to fix this ..
*
*/
*/
fprintf(stderr, "usage: tc actions <ACTSPECOP>*\n");
fprintf(stderr,
"Where: \tACTSPECOP := ACR | GD | FL\n"
@ -68,16 +69,19 @@ static int print_noaopt(struct action_util *au, FILE *f, struct rtattr *opt)
return 0;
}
static int parse_noaopt(struct action_util *au, int *argc_p, char ***argv_p, int code, struct nlmsghdr *n)
static int parse_noaopt(struct action_util *au, int *argc_p,
char ***argv_p, int code, struct nlmsghdr *n)
{
int argc = *argc_p;
char **argv = *argv_p;
if (argc) {
fprintf(stderr, "Unknown action \"%s\", hence option \"%s\" is unparsable\n", au->id, *argv);
} else {
if (argc)
fprintf(stderr,
"Unknown action \"%s\", hence option \"%s\" is unparsable\n",
au->id, *argv);
else
fprintf(stderr, "Unknown action \"%s\"\n", au->id);
}
return -1;
}
@ -135,18 +139,14 @@ noexist:
return a;
}
static int
static bool
new_cmd(char **argv)
{
if ((matches(*argv, "change") == 0) ||
return (matches(*argv, "change") == 0) ||
(matches(*argv, "replace") == 0) ||
(matches(*argv, "delete") == 0) ||
(matches(*argv, "get") == 0) ||
(matches(*argv, "add") == 0))
return 1;
return 0;
(matches(*argv, "add") == 0);
}
int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
@ -179,9 +179,8 @@ int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
argv++;
eap = 1;
#ifdef CONFIG_GACT
if (!gact_ld) {
if (!gact_ld)
get_action_kind("gact");
}
#endif
continue;
} else if (strcmp(*argv, "flowid") == 0) {
@ -207,9 +206,9 @@ done0:
goto done;
}
if (a == NULL) {
if (a == NULL)
goto bad_val;
}
tail = NLMSG_TAIL(n);
addattr_l(n, MAX_MSG, ++prio, NULL, 0);
@ -268,7 +267,8 @@ done:
return 0;
bad_val:
/* no need to undo things, returning from here should
* cause enough pain */
* cause enough pain
*/
fprintf(stderr, "parse_action: bad value (%d:%s)!\n", argc, *argv);
return -1;
}
@ -436,7 +436,8 @@ int print_action(const struct sockaddr_nl *who,
return 0;
}
static int tc_action_gd(int cmd, unsigned int flags, int *argc_p, char ***argv_p)
static int tc_action_gd(int cmd, unsigned int flags,
int *argc_p, char ***argv_p)
{
char k[FILTER_NAMESZ];
struct action_util *a = NULL;
@ -492,7 +493,8 @@ static int tc_action_gd(int cmd, unsigned int flags, int *argc_p, char ***argv_p
argc -= 1;
argv += 1;
if (argc <= 0) {
fprintf(stderr, "Error: no index specified action: %s\n", k);
fprintf(stderr,
"Error: no index specified action: %s\n", k);
ret = -1;
goto bad_val;
}
@ -507,7 +509,8 @@ static int tc_action_gd(int cmd, unsigned int flags, int *argc_p, char ***argv_p
argc -= 1;
argv += 1;
} else {
fprintf(stderr, "Error: no index specified action: %s\n", k);
fprintf(stderr,
"Error: no index specified action: %s\n", k);
ret = -1;
goto bad_val;
}
@ -543,7 +546,8 @@ bad_val:
return ret;
}
static int tc_action_modify(int cmd, unsigned int flags, int *argc_p, char ***argv_p)
static int tc_action_modify(int cmd, unsigned int flags,
int *argc_p, char ***argv_p)
{
int argc = *argc_p;
char **argv = *argv_p;
@ -604,9 +608,9 @@ static int tc_act_list_or_flush(int *argc_p, char ***argv_p, int event)
strncpy(k, *argv, sizeof(k) - 1);
#ifdef CONFIG_GACT
if (!gact_ld) {
if (!gact_ld)
get_action_kind("gact");
}
#endif
a = get_action_kind(k);
if (a == NULL) {
@ -644,10 +648,12 @@ static int tc_act_list_or_flush(int *argc_p, char ***argv_p, int event)
addattr32(&req.n, MAX_MSG, TCA_ROOT_TIME_DELTA, msec_since);
tail4->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail4;
}
msg_size = NLMSG_ALIGN(req.n.nlmsg_len) - NLMSG_ALIGN(sizeof(struct nlmsghdr));
msg_size = NLMSG_ALIGN(req.n.nlmsg_len)
- NLMSG_ALIGN(sizeof(struct nlmsghdr));
if (event == RTM_GETACTION) {
if (rtnl_dump_request(&rth, event, (void *)&req.t, msg_size) < 0) {
if (rtnl_dump_request(&rth, event,
(void *)&req.t, msg_size) < 0) {
perror("Cannot send dump request");
return 1;
}
@ -681,10 +687,14 @@ int do_action(int argc, char **argv)
while (argc > 0) {
if (matches(*argv, "add") == 0) {
ret = tc_action_modify(RTM_NEWACTION, NLM_F_EXCL|NLM_F_CREATE, &argc, &argv);
ret = tc_action_modify(RTM_NEWACTION,
NLM_F_EXCL | NLM_F_CREATE,
&argc, &argv);
} else if (matches(*argv, "change") == 0 ||
matches(*argv, "replace") == 0) {
ret = tc_action_modify(RTM_NEWACTION, NLM_F_CREATE|NLM_F_REPLACE, &argc, &argv);
ret = tc_action_modify(RTM_NEWACTION,
NLM_F_CREATE | NLM_F_REPLACE,
&argc, &argv);
} else if (matches(*argv, "delete") == 0) {
argc -= 1;
argv += 1;
@ -693,8 +703,9 @@ int do_action(int argc, char **argv)
argc -= 1;
argv += 1;
ret = tc_action_gd(RTM_GETACTION, 0, &argc, &argv);
} else if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
|| matches(*argv, "lst") == 0) {
} else if (matches(*argv, "list") == 0 ||
matches(*argv, "show") == 0 ||
matches(*argv, "lst") == 0) {
if (argc <= 2) {
act_usage();
return -1;
@ -718,7 +729,9 @@ int do_action(int argc, char **argv)
act_usage();
return -1;
} else {
fprintf(stderr, "Command \"%s\" is unknown, try \"tc actions help\".\n", *argv);
fprintf(stderr,
"Command \"%s\" is unknown, try \"tc actions help\".\n",
*argv);
return -1;
}