Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
970 bytes
|
Line | |
---|
1 | #include <stdlib.h> |
---|
2 | #include <wchar.h> |
---|
3 | #include "local.h" |
---|
4 | |
---|
5 | size_t |
---|
6 | _wcstombs_r (struct _reent *r, |
---|
7 | char *__restrict s, |
---|
8 | const wchar_t *__restrict pwcs, |
---|
9 | size_t n, |
---|
10 | mbstate_t *state) |
---|
11 | { |
---|
12 | char *ptr = s; |
---|
13 | size_t max = n; |
---|
14 | char buff[8]; |
---|
15 | int i, bytes, num_to_copy; |
---|
16 | |
---|
17 | if (s == NULL) |
---|
18 | { |
---|
19 | size_t num_bytes = 0; |
---|
20 | while (*pwcs != 0) |
---|
21 | { |
---|
22 | bytes = __WCTOMB (r, buff, *pwcs++, state); |
---|
23 | if (bytes == -1) |
---|
24 | return -1; |
---|
25 | num_bytes += bytes; |
---|
26 | } |
---|
27 | return num_bytes; |
---|
28 | } |
---|
29 | else |
---|
30 | { |
---|
31 | while (n > 0) |
---|
32 | { |
---|
33 | bytes = __WCTOMB (r, buff, *pwcs, state); |
---|
34 | if (bytes == -1) |
---|
35 | return -1; |
---|
36 | num_to_copy = (n > bytes ? bytes : (int)n); |
---|
37 | for (i = 0; i < num_to_copy; ++i) |
---|
38 | *ptr++ = buff[i]; |
---|
39 | |
---|
40 | if (*pwcs == 0x00) |
---|
41 | return ptr - s - (n >= bytes); |
---|
42 | ++pwcs; |
---|
43 | n -= num_to_copy; |
---|
44 | } |
---|
45 | return max; |
---|
46 | } |
---|
47 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.