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can-utils: fix unused variable warnings 

As pointed out by Gary Bisson clang complains about unused variables in
some valid cases.

Reported-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
pull/209/head
Oliver Hartkopp 2020-05-28 19:29:11 +02:00
parent 8df3d1dd3f
commit 2c87dcf468
3 changed files with 5 additions and 5 deletions
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2
bcmserver.c
View File

@ -135,7 +135,7 @@ void childdied(int i)
wait(NULL);
}
int main(int argc, char **argv)
int main(void)
{
int sl, sa, sc;

6
cansniffer.c
View File

@ -129,7 +129,7 @@ static char *vdl = LDL; /* variable delimiter */
static char *ldl = LDL; /* long delimiter */
void print_snifline(int slot);
int handle_keyb(int fd);
int handle_keyb(void);
int handle_frame(int fd, long currcms);
int handle_timeo(long currcms);
void writesettings(char* name);
@ -367,7 +367,7 @@ int main(int argc, char **argv)
currcms = (tv.tv_sec - start_tv.tv_sec) * 100 + (tv.tv_usec / 10000);
if (FD_ISSET(0, &rdfs))
running &= handle_keyb(s);
running &= handle_keyb();
if (FD_ISSET(s, &rdfs))
running &= handle_frame(s, currcms);
@ -398,7 +398,7 @@ void do_modify_sniftab(unsigned int value, unsigned int mask, char cmd)
}
}
int handle_keyb(int fd)
int handle_keyb(void)
{
char cmd [25] = {0};
int i, clen;

2
log2long.c
View File

@ -52,7 +52,7 @@
#define COMMENTSZ 200
#define BUFSZ (sizeof("(1345212884.318850)") + IFNAMSIZ + 4 + CL_CFSZ + COMMENTSZ) /* for one line in the logfile */
int main(int argc, char **argv)
int main(void)
{
char buf[BUFSZ], timestamp[BUFSZ], device[BUFSZ], ascframe[BUFSZ];
struct canfd_frame cf;