diff options
Diffstat (limited to 'winsup/cygwin/miscfuncs.cc')
| -rw-r--r-- | winsup/cygwin/miscfuncs.cc | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc index 845575edf..29b8159ad 100644 --- a/winsup/cygwin/miscfuncs.cc +++ b/winsup/cygwin/miscfuncs.cc @@ -141,26 +141,6 @@ cygwin_strncasecmp (const char *cs, const char *ct, size_t n) return RtlCompareUnicodeString (&us, &ut, TRUE); } -extern "C" wchar_t * __stdcall -cygwin_wcslwr (wchar_t *string) -{ - UNICODE_STRING us; - - RtlInitUnicodeString (&us, string); - RtlDowncaseUnicodeString (&us, &us, FALSE); - return string; -} - -extern "C" wchar_t * __stdcall -cygwin_wcsupr (wchar_t *string) -{ - UNICODE_STRING us; - - RtlInitUnicodeString (&us, string); - RtlUpcaseUnicodeString (&us, &us, FALSE); - return string; -} - extern "C" char * __stdcall cygwin_strlwr (char *string) { @@ -189,118 +169,6 @@ cygwin_strupr (char *string) return string; } -/* FIXME? We only support standard ANSI/OEM codepages according to - http://www.microsoft.com/globaldev/reference/cphome.mspx as well - as UTF-8 and codepage 1361, which is also mentioned as valid - doublebyte codepage in MSDN man pages (e.g. IsDBCSLeadByteEx). - Everything else will be hosed. */ - -bool -is_cp_multibyte (UINT cp) -{ - switch (cp) - { - case 932: - case 936: - case 949: - case 950: - case 1361: - case 65001: - return true; - } - return false; -} - -/* OMYGOD! CharNextExA is not UTF-8 aware! It only works fine with - double byte charsets. So we have to do it ourselves for UTF-8. - - While being at it, we do more. If a double-byte or multibyte - sequence is truncated due to an early end, we need a way to recognize - it. The reason is that multiple buffered write statements might - accidentally stop and start in the middle of a single character byte - sequence. If we have to interpret the byte sequences (as in - fhandler_console), we would print wrong output in these cases. - - So we have four possible return values here: - - ret = end if str >= end - ret = NULL if we encounter an invalid byte sequence - ret = str if we encounter the start byte of a truncated byte sequence - ret = str + n if we encounter a vaild byte sequence -*/ - -const unsigned char * -next_char (UINT cp, const unsigned char *str, const unsigned char *end) -{ - const unsigned char *ret = NULL; - - if (str >= end) - return end; - - switch (cp) - { - case 932: - case 936: - case 949: - case 950: - case 1361: - if (*str <= 0x7f) - ret = str + 1; - else if (str == end - 1 && IsDBCSLeadByteEx (cp, *str)) - ret = str; - else - ret = (const unsigned char *) CharNextExA (cp, (const CHAR *) str, 0); - break; - case CP_UTF8: - switch (str[0] >> 4) - { - case 0x0 ... 0x7: /* One byte character. */ - ret = str + 1; - break; - case 0x8 ... 0xb: /* Followup byte. Invalid as first byte. */ - ret = NULL; - break; - case 0xc ... 0xd: /* Two byte character. */ - /* Check followup bytes for validity. */ - if (str >= end - 1) - ret = str; - else if (str[1] <= 0xbf) - ret = str + 2; - else - ret = NULL; - break; - case 0xe: /* Three byte character. */ - if (str >= end - 2) - ret = str; - else if ((str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 - && (str[0] != 0xe0 || str[1] >= 0xa0) - && (str[0] != 0xed || str[1] <= 0x9f)) - ret = str + 3; - else - ret = NULL; - break; - case 0xf: /* Four byte character. */ - if (str[0] >= 0xf8) - ret = NULL; - else if (str >= end - 3) - ret = str; - else if ((str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 - && (str[3] & 0xc0) == 0x80 - && (str[0] == 0xf0 || str[1] >= 0x90) - && (str[0] == 0xf4 || str[1] <= 0x8f)) - ret = str + 4; - else - ret = NULL; - break; - } - break; - default: - ret = str + 1; - break; - } - return ret; -} - int __stdcall check_invalid_virtual_addr (const void *s, unsigned sz) { |