diff options
Diffstat (limited to 'src/port/preadv.c')
| -rw-r--r-- | src/port/preadv.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/src/port/preadv.c b/src/port/preadv.c index aa7537503fb..48b64d4593d 100644 --- a/src/port/preadv.c +++ b/src/port/preadv.c @@ -8,33 +8,19 @@ * IDENTIFICATION * src/port/preadv.c * - * Note that this implementation changes the current file position, unlike - * the POSIX-like function, so we use the name pg_preadv(). - * *------------------------------------------------------------------------- */ #include "postgres.h" -#ifdef WIN32 -#include <windows.h> -#else #include <unistd.h> -#endif #include "port/pg_iovec.h" ssize_t -pg_preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset) +preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset) { -#ifdef HAVE_READV - if (iovcnt == 1) - return pread(fd, iov[0].iov_base, iov[0].iov_len, offset); - if (lseek(fd, offset, SEEK_SET) < 0) - return -1; - return readv(fd, iov, iovcnt); -#else ssize_t sum = 0; ssize_t part; @@ -54,5 +40,4 @@ pg_preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset) return sum; } return sum; -#endif } |