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[core:os/os2] zeroed n value on failed file operations

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This commit is contained in:
A1029384756
2025-10-27 12:23:47 -04:00
parent 788ef8ee0a
commit 7afbe23a34
2 changed files with 19 additions and 12 deletions
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core/os/os2/file_posix.odin
+15 -8
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@@ -382,12 +382,14 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
}
to_read := uint(min(len(p), MAX_RW))
n = i64(posix.read(fd, raw_data(p), to_read))
_n := i64(posix.read(fd, raw_data(p), to_read))
switch {
case n == 0:
case _n == 0:
err = .EOF
case n < 0:
case _n < 0:
err = .Unknown
case:
n = _n
}
return
@@ -402,12 +404,14 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
}
to_read := uint(min(len(p), MAX_RW))
n = i64(posix.pread(fd, raw_data(p), to_read, posix.off_t(offset)))
_n := i64(posix.pread(fd, raw_data(p), to_read, posix.off_t(offset)))
switch {
case n == 0:
case _n == 0:
err = .EOF
case n < 0:
case _n < 0:
err = .Unknown
case:
n = _n
}
return
@@ -460,15 +464,18 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
return
}
n = i64(posix.lseek(fd, posix.off_t(offset), posix.Whence(whence)))
if n < 0 {
_n := i64(posix.lseek(fd, posix.off_t(offset), posix.Whence(whence)))
if _n < 0 {
#partial switch posix.get_errno() {
case .EINVAL:
err = .Invalid_Offset
case:
err = .Unknown
}
return
}
n = _n
return
case .Size: