diff options
Diffstat (limited to 'winsup/cygwin/strfuncs.cc')
-rw-r--r-- | winsup/cygwin/strfuncs.cc | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/winsup/cygwin/strfuncs.cc b/winsup/cygwin/strfuncs.cc deleted file mode 100644 index 8c0bbb241..000000000 --- a/winsup/cygwin/strfuncs.cc +++ /dev/null @@ -1,146 +0,0 @@ -/* strfuncs.cc: misc funcs that don't belong anywhere else - - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, - 2005, 2006, 2007, 2008 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#include "winsup.h" -#include <stdlib.h> -#include <wchar.h> -#include <winnls.h> -#include <ntdll.h> -#include "cygerrno.h" -#include "security.h" -#include "path.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" - -codepage_type current_codepage = ansi_cp; -UINT active_codepage = 0; - -UINT -get_cp () -{ - if (!active_codepage) - codepage_init ("ansi"); - return active_codepage; -} - -/* tlen is always treated as the maximum buffer size, including the '\0' - character. sys_wcstombs will always return a 0-terminated result, no - matter what. */ -int __stdcall -sys_wcstombs (char *tgt, int tlen, const PWCHAR src, int slen) -{ - int ret; - - /* Convert UNICODE private use area. Reverse functionality (only for - path names) is transform_chars in path.cc. */ - if (slen < 0) - slen = wcslen (src) + 1; - WCHAR sbuf[slen]; - memcpy (sbuf, src, slen * sizeof (WCHAR)); - const unsigned char *end = (unsigned char *) (sbuf + slen); - for (unsigned char *s = ((unsigned char *) sbuf) + 1; s < end; - s += sizeof (WCHAR)) - if (*s == 0xf0) - *s = 0; - ret = WideCharToMultiByte (get_cp (), 0, sbuf, slen, tgt, tlen, NULL, NULL); - if (ret && tgt) - { - ret = (ret < tlen) ? ret : tlen - 1; - tgt[ret] = '\0'; - } - return ret; -} - -/* Allocate a buffer big enough for the string, always including the - terminating '\0'. The buffer pointer is returned in *tgt_p, the return - value is the number of bytes written to the buffer, as usual. - The "type" argument determines where the resulting buffer is stored. - It's either one of the cygheap_types values, or it's "HEAP_NOTHEAP". - In the latter case the allocation uses simple calloc. - - Note that this code is shared by cygserver (which requires it via - __small_vsprintf) and so when built there plain calloc is the - only choice. */ -int __stdcall -sys_wcstombs_alloc (char **tgt_p, int type, const PWCHAR src, int slen) -{ - int ret; - - ret = WideCharToMultiByte (get_cp (), 0, src, slen, NULL, 0 ,NULL, NULL); - if (ret) - { - size_t tlen = (slen == -1) ? ret : ret + 1; - - if (type == HEAP_NOTHEAP) - *tgt_p = (char *) calloc (tlen, sizeof (char)); - else - *tgt_p = (char *) ccalloc ((cygheap_types) type, tlen, sizeof (char)); - if (!*tgt_p) - return 0; - ret = sys_wcstombs (*tgt_p, tlen, src, slen); - } - return ret; -} - -int __stdcall -sys_mbstowcs (PWCHAR tgt, int tlen, const char *src, int slen) -{ - int ret = MultiByteToWideChar (get_cp (), 0, src, slen, tgt, tlen); - if (ret && tgt) - { - ret = (ret < tlen) ? ret : tlen - 1; - tgt[ret] = L'\0'; - } - return ret; -} - -/* Same as sys_wcstombs_alloc, just backwards. */ -int __stdcall -sys_mbstowcs_alloc (PWCHAR *tgt_p, int type, const char *src, int slen) -{ - int ret; - - ret = MultiByteToWideChar (get_cp (), 0, src, slen, NULL, 0); - if (ret) - { - size_t tlen = (slen == -1 ? ret : ret + 1); - - if (type == HEAP_NOTHEAP) - *tgt_p = (PWCHAR) calloc (tlen, sizeof (WCHAR)); - else - *tgt_p = (PWCHAR) ccalloc ((cygheap_types) type, tlen, sizeof (WCHAR)); - if (!*tgt_p) - return 0; - ret = sys_mbstowcs (*tgt_p, tlen, src, slen); - } - return ret; -} - -static WCHAR hex_wchars[] = L"0123456789abcdef"; - -NTSTATUS NTAPI -RtlInt64ToHexUnicodeString (ULONGLONG value, PUNICODE_STRING dest, - BOOLEAN append) -{ - USHORT len = append ? dest->Length : 0; - if (dest->MaximumLength - len < 16 * (int) sizeof (WCHAR)) - return STATUS_BUFFER_OVERFLOW; - PWCHAR end = (PWCHAR) ((PBYTE) dest->Buffer + len); - register PWCHAR p = end + 16; - while (p-- > end) - { - *p = hex_wchars[value & 0xf]; - value >>= 4; - } - dest->Length += 16 * sizeof (WCHAR); - return STATUS_SUCCESS; -} |