diff options
Diffstat (limited to 'contrib/file/src/pread.c')
-rw-r--r-- | contrib/file/src/pread.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/contrib/file/src/pread.c b/contrib/file/src/pread.c new file mode 100644 index 0000000..649f609 --- /dev/null +++ b/contrib/file/src/pread.c @@ -0,0 +1,14 @@ +#include "file.h" +#ifndef lint +FILE_RCSID("@(#)$File: pread.c,v 1.2 2013/04/02 16:23:07 christos Exp $") +#endif /* lint */ +#include <fcntl.h> +#include <unistd.h> + +ssize_t +pread(int fd, void *buf, size_t len, off_t off) { + if (lseek(fd, off, SEEK_SET) == (off_t)-1) + return -1; + + return read(fd, buf, len); +} |