File: posix_win.c

package info (click to toggle)
mysql-8.0 8.0.43-2
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,904 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,184; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,196; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (61 lines) | stat: -rw-r--r-- 857 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
 
/*
 * Public domain
 *
 * File IO compatibility shims
 * Brent Cook <bcook@openbsd.org>
 */

#define NO_REDEF_POSIX_FUNCTIONS

#include <windows.h>

#include <errno.h>
#include <io.h>

#include "posix_win.h"

int
posix_open(const char *path, ...)
{
	va_list ap;
	int mode = 0;
	int flags;

	va_start(ap, path);
	flags = va_arg(ap, int);
	if (flags & O_CREAT)
		mode = va_arg(ap, int);
	va_end(ap);

	flags |= O_BINARY | O_NOINHERIT;

	return (open(path, flags, mode));
}

int
posix_close(int fd)
{
	return (close(fd));
}

ssize_t
posix_read(int fd, void *buf, size_t count)
{
	if (count > INT_MAX) {
		errno = EINVAL;
		return (-1);
	}

	return (read(fd, buf, (unsigned int)count));
}

ssize_t
posix_write(int fd, const void *buf, size_t count)
{
	if (count > INT_MAX) {
		errno = EINVAL;
		return (-1);
	}

	return (write(fd, buf, (unsigned int)count));
}