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bktr: Use memset(0) instead of zero initialization for struct sigaction

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sigaction is not defined in standards as a struct starting with another
struct. Some *BSD variants do however, resulting in a warning from the
zero initialization, which this change eliminates.

This partially reverts a92be9b856.
This commit is contained in:
Diego Biurrun
2016-10-21 14:17:07 +02:00
parent ed48a9d814
commit 2f806622e1
1 changed files with 2 additions and 1 deletions
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3
libavdevice/bktr.c
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@@ -104,7 +104,7 @@ static av_cold int bktr_init(const char *video_device, int width, int height,
long ioctl_frequency; long ioctl_frequency;
char *arg; char *arg;
int c; int c;
struct sigaction act = { 0 }, old; struct sigaction act, old;
int ret; int ret;
char errbuf[128]; char errbuf[128];
@@ -135,6 +135,7 @@ static av_cold int bktr_init(const char *video_device, int width, int height,
frequency = 0.0; frequency = 0.0;
} }
memset(&act, 0, sizeof(act));
sigemptyset(&act.sa_mask); sigemptyset(&act.sa_mask);
act.sa_handler = catchsignal; act.sa_handler = catchsignal;
sigaction(SIGUSR1, &act, &old); sigaction(SIGUSR1, &act, &old);