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| author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
|---|---|---|
| committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
| commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
| tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/unistd/ttyname.c | |
Initial version
Diffstat (limited to 'src/unistd/ttyname.c')
| -rw-r--r-- | src/unistd/ttyname.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/unistd/ttyname.c b/src/unistd/ttyname.c new file mode 100644 index 0000000..0f3e114 --- /dev/null +++ b/src/unistd/ttyname.c @@ -0,0 +1,14 @@ +#include <unistd.h> +#include <errno.h> +#include <limits.h> + +char *ttyname(int fd) +{ + static char buf[TTY_NAME_MAX]; + int result; + if ((result = ttyname_r(fd, buf, sizeof buf))) { + errno = result; + return NULL; + } + return buf; +} |