patch 8.1.2234: get_short_pathname() fails depending on encoding
Problem: get_short_pathname() fails depending on encoding.
Solution: Use the wide version of the library function. (closes #5129)
diff --git a/src/filepath.c b/src/filepath.c
index cf401dc..4ddeeaf 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -30,26 +30,56 @@
get_short_pathname(char_u **fnamep, char_u **bufp, int *fnamelen)
{
int l, len;
- char_u *newbuf;
+ WCHAR *newbuf;
+ WCHAR *wfname;
- len = *fnamelen;
- l = GetShortPathName((LPSTR)*fnamep, (LPSTR)*fnamep, len);
+ len = MAXPATHL;
+ newbuf = malloc(len * sizeof(*newbuf));
+ if (newbuf == NULL)
+ return FAIL;
+
+ wfname = enc_to_utf16(*fnamep, NULL);
+ if (wfname == NULL)
+ {
+ vim_free(newbuf);
+ return FAIL;
+ }
+
+ l = GetShortPathNameW(wfname, newbuf, len);
if (l > len - 1)
{
// If that doesn't work (not enough space), then save the string
// and try again with a new buffer big enough.
- newbuf = vim_strnsave(*fnamep, l);
+ WCHAR *newbuf_t = newbuf;
+ newbuf = vim_realloc(newbuf, (l + 1) * sizeof(*newbuf));
if (newbuf == NULL)
+ {
+ vim_free(wfname);
+ vim_free(newbuf_t);
return FAIL;
-
- vim_free(*bufp);
- *fnamep = *bufp = newbuf;
-
+ }
// Really should always succeed, as the buffer is big enough.
- l = GetShortPathName((LPSTR)*fnamep, (LPSTR)*fnamep, l+1);
+ l = GetShortPathNameW(wfname, newbuf, l+1);
}
+ if (l != 0)
+ {
+ char_u *p = utf16_to_enc(newbuf, NULL);
+ if (p != NULL)
+ {
+ vim_free(*bufp);
+ *fnamep = *bufp = p;
+ }
+ else
+ {
+ vim_free(wfname);
+ vim_free(newbuf);
+ return FAIL;
+ }
+ }
+ vim_free(wfname);
+ vim_free(newbuf);
- *fnamelen = l;
+ *fnamelen = l == 0 ? l : STRLEN(*bufp);
return OK;
}