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Convert editHead and editTail from wchar_t

master
C. McEnroe 2020-02-04 21:27:52 -05:00
parent 104b3ffd4f
commit 0df8bd51aa
1 changed files with 18 additions and 4 deletions
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22
edit.c
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@ -14,17 +14,31 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>. * along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
#include <err.h> #include <assert.h>
#include <limits.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sysexits.h> #include <wchar.h>
#include "chat.h" #include "chat.h"
enum { Cap = 512 };
static wchar_t buf[Cap] = L"foo\0033bar\3baz";
static size_t len = 12;
static size_t pos = 6;
const char *editHead(void) { const char *editHead(void) {
return "foo\0033bar"; static char mbs[MB_LEN_MAX * Cap];
const wchar_t *ptr = buf;
size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs), NULL);
assert(n != (size_t)-1);
return mbs;
} }
const char *editTail(void) { const char *editTail(void) {
return "baz\3"; static char mbs[MB_LEN_MAX * Cap];
const wchar_t *ptr = &buf[pos];
size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs), NULL);
assert(n != (size_t)-1);
return mbs;
} }