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3d5213c65d3edf32818cffafac37da2cfd0f6833 blob 277 bytes (raw)
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#include <unistd.h>
#include <errno.h>
#include <sys/ioctl.h>
#include "syscall.h"

int isatty(int fd)
{
	struct winsize wsz;
	unsigned long r = __syscall_ret(__syscall(SYS_ioctl, fd, TIOCGWINSZ, &wsz));
	if (r == 0) return 1;
	if (errno != EBADF) errno = ENOTTY;
	return 0;
}

debug log:
solving 3d5213c6 ...
found 3d5213c6 in https://inbox.vuxu.org/musl/20180913162755.18911-1-benjamin@python.org/
found c8badaf5 in https://git.vuxu.org/mirror/musl/
preparing index
index prepared:
100644 c8badaf55edd7d6c4e692e5d238e093848cc7290	src/unistd/isatty.c

applying [1/1] https://inbox.vuxu.org/musl/20180913162755.18911-1-benjamin@python.org/
diff --git a/src/unistd/isatty.c b/src/unistd/isatty.c
index c8badaf5..3d5213c6 100644

Checking patch src/unistd/isatty.c...
Applied patch src/unistd/isatty.c cleanly.

index at:
100644 3d5213c65d3edf32818cffafac37da2cfd0f6833	src/unistd/isatty.c

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