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* win32/win32.c (rb_w32_getcwd): runtime's getcwd() will not success

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if the length of the cwd is longer than MAX_PATH.
  fixed [ruby-list:42335]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2006-06-01 07:18:12 +00:00
parent 2a9733a5c2
commit e4602e1d27
2 changed files with 37 additions and 20 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Thu Jun 1 16:17:26 2006 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (rb_w32_getcwd): runtime's getcwd() will not success
if the length of the cwd is longer than MAX_PATH.
fixed [ruby-list:42335]
Thu Jun 1 11:33:32 2006 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (rb_w32_getcwd): set errno if not set.

51
win32/win32.c
View file

@ -2933,34 +2933,45 @@ gettimeofday(struct timeval *tv, struct timezone *tz)
char *
rb_w32_getcwd(char *buffer, int size)
{
int length;
char *p = buffer;
char *bp;
int save_errno = errno;
int len;
#undef getcwd
#ifndef __BORLANDC__
#define getcwd _getcwd
#endif
errno = 0;
SetLastError(0);
if (getcwd(buffer, size) == NULL) {
if (!errno)
errno = GetLastError() ? map_errno(GetLastError()) : ERANGE;
return NULL;
len = GetCurrentDirectory(0, NULL);
if (!len) {
errno = map_errno(GetLastError());
return NULL;
}
length = strlen(buffer);
if (length >= size) {
errno = ERANGE;
return NULL;
}
errno = save_errno;
for (bp = buffer; *bp != '\0'; bp = CharNext(bp)) {
if (p) {
if (size < len) {
errno = ERANGE;
return NULL;
}
}
else {
p = malloc(len);
size = len;
if (!p) {
errno = ENOMEM;
return NULL;
}
}
if (!GetCurrentDirectory(size, p)) {
errno = map_errno(GetLastError());
if (!buffer)
free(p);
return NULL;
}
for (bp = p; *bp != '\0'; bp = CharNext(bp)) {
if (*bp == '\\') {
*bp = '/';
}
}
return buffer;
return p;
}
int