Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-09-28 05:26:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added missing _wmktemp().

Browse source 
svn path=/trunk/; revision=2045
This commit is contained in:
Eric Kohl 2001-07-06 14:33:19 +00:00
parent 10cde64c1f
commit aa234d8870
1 changed files with 52 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
reactos/lib/msvcrt/io/mktemp.c
View file

@ -69,3 +69,55 @@ char* _mktemp (char *_template)
*_template = 0;
return 0;
}
wchar_t* _wmktemp (wchar_t *_template)
{
static int count = 0;
wchar_t *cp, *dp;
int i, len, xcount, loopcnt;
len = wcslen (_template);
cp = _template + len;
xcount = 0;
while (xcount < 6 && cp > _template && cp[-1] == L'X')
xcount++, cp--;
if (xcount) {
dp = cp;
while (dp > _template && dp[-1] != L'/' && dp[-1] != L'\\' && dp[-1] != L':')
dp--;
/* Keep the first characters of the template, but turn the rest into
Xs. */
while (cp > dp + 8 - xcount) {
*--cp = L'X';
xcount = (xcount >= 6) ? 6 : 1 + xcount;
}
/* If dots occur too early -- squash them. */
while (dp < cp) {
if (*dp == L'.') *dp = L'a';
dp++;
}
/* Try to add ".tmp" to the filename. Truncate unused Xs. */
if (cp + xcount + 3 < _template + len)
wcscpy (cp + xcount, L".tmp");
else
cp[xcount] = 0;
/* This loop can run up to 2<<(5*6) times, or about 10^9 times. */
for (loopcnt = 0; loopcnt < (1 << (5 * xcount)); loopcnt++) {
int c = count++;
for (i = 0; i < xcount; i++, c >>= 5)
cp[i] = L"abcdefghijklmnopqrstuvwxyz012345"[c & 0x1f];
if (_waccess(_template,0) == -1)
return _template;
}
}
/* Failure: truncate the template and return NULL. */
*_template = 0;
return 0;
}