diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/os/os_netbsd.odin | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/core/os/os_netbsd.odin b/core/os/os_netbsd.odin index 82a8dc1eb..130848ab0 100644 --- a/core/os/os_netbsd.odin +++ b/core/os/os_netbsd.odin @@ -426,7 +426,9 @@ foreign libc { @(link_name="open") _unix_open :: proc(path: cstring, flags: c.int, #c_vararg mode: ..u32) -> Handle --- @(link_name="close") _unix_close :: proc(fd: Handle) -> c.int --- @(link_name="read") _unix_read :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t --- + @(link_name="pread") _unix_pread :: proc(fd: Handle, buf: rawptr, size: c.size_t, offset: i64) -> c.ssize_t --- @(link_name="write") _unix_write :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t --- + @(link_name="pwrite") _unix_pwrite :: proc(fd: Handle, buf: rawptr, size: c.size_t, offset: i64) -> c.ssize_t --- @(link_name="lseek") _unix_seek :: proc(fd: Handle, offset: i64, whence: c.int) -> i64 --- @(link_name="getpagesize") _unix_getpagesize :: proc() -> c.int --- @(link_name="stat") _unix_stat :: proc(path: cstring, stat: ^OS_Stat) -> c.int --- @@ -535,23 +537,31 @@ write :: proc(fd: Handle, data: []byte) -> (int, Error) { } read_at :: proc(fd: Handle, data: []byte, offset: i64) -> (n: int, err: Error) { - curr := seek(fd, offset, SEEK_CUR) or_return - n, err = read(fd, data) - _, err1 := seek(fd, curr, SEEK_SET) - if err1 != nil && err == nil { - err = err1 + if len(data) == 0 { + return 0, nil } - return + + to_read := min(uint(len(data)), MAX_RW) + + bytes_read := _unix_pread(fd, raw_data(data), to_read, offset) + if bytes_read < 0 { + return -1, get_last_error() + } + return bytes_read, nil } write_at :: proc(fd: Handle, data: []byte, offset: i64) -> (n: int, err: Error) { - curr := seek(fd, offset, SEEK_CUR) or_return - n, err = write(fd, data) - _, err1 := seek(fd, curr, SEEK_SET) - if err1 != nil && err == nil { - err = err1 + if len(data) == 0 { + return 0, nil } - return + + to_write := min(uint(len(data)), MAX_RW) + + bytes_written := _unix_pwrite(fd, raw_data(data), to_write, offset) + if bytes_written < 0 { + return -1, get_last_error() + } + return bytes_written, nil } seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Error) { |