diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/xfuncs_printf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c index 345c842..241887a 100644 --- a/libbb/xfuncs_printf.c +++ b/libbb/xfuncs_printf.c @@ -140,6 +140,15 @@ int FAST_FUNC xopen(const char *pathname, int flags) return xopen3(pathname, flags, 0666); } +/* Die if we can't open an existing file readonly with O_NONBLOCK + * and return the fd. + * Note that for ioctl O_RDONLY is sufficient. + */ +int FAST_FUNC xopen_nonblocking(const char *pathname) +{ + return xopen(pathname, O_RDONLY | O_NONBLOCK); +} + // Warn if we can't open a file and return a fd. int FAST_FUNC open3_or_warn(const char *pathname, int flags, int mode) { |