diff options
Diffstat (limited to 'src/misc/ptsname.c')
| -rw-r--r-- | src/misc/ptsname.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/misc/ptsname.c b/src/misc/ptsname.c index 4f56781d..a3477927 100644 --- a/src/misc/ptsname.c +++ b/src/misc/ptsname.c @@ -1,9 +1,15 @@ #include <stdlib.h> +#include <errno.h> int __ptsname_r(int, char *, size_t); char *ptsname(int fd) { static char buf[9 + sizeof(int)*3 + 1]; - return __ptsname_r(fd, buf, sizeof buf) < 0 ? 0 : buf; + int err = __ptsname_r(fd, buf, sizeof buf); + if (err) { + errno = err; + return 0; + } + return buf; } |