diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-06-01 07:18:12 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-06-01 07:18:12 +0000 |
commit | e4602e1d275752f38a84c89ce4ddb87826f4fa17 (patch) | |
tree | 02e19c995b059a884c3c64633dcff93214b53842 /win32 | |
parent | 2a9733a5c24cf57bc4774a97c1bb1b08337284e1 (diff) |
* 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]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32')
-rw-r--r-- | win32/win32.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/win32/win32.c b/win32/win32.c index 999ff68044..62a65d2346 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -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; + + 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; } - errno = save_errno; - for (bp = buffer; *bp != '\0'; bp = CharNext(bp)) { + for (bp = p; *bp != '\0'; bp = CharNext(bp)) { if (*bp == '\\') { *bp = '/'; } } - return buffer; + + return p; } int |