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Overview
| Comment: | Treat a zero return value from the Win32 APIs MultiByteToWideChar and WideCharToMultiByte as an error condition. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
c65e5a36f1a1c91cb3415158ebe0f575 |
| User & Date: | mistachkin 2011-12-14 00:37:45 |
Context
|
2011-12-14
| ||
| 18:33 | Merge the nx-devkit changes into trunk. This includes the new SQLITE_FCNTL_VFSNAME file-control. (check-in: da118e02 user: drh tags: trunk) | |
| 00:37 | Treat a zero return value from the Win32 APIs MultiByteToWideChar and WideCharToMultiByte as an error condition. (check-in: c65e5a36 user: mistachkin tags: trunk) | |
|
2011-12-13
| ||
| 15:37 | Merge the nx-devkit changes into trunk. (check-in: 03a70c3d user: drh tags: trunk) | |
Changes
Changes to src/os_win.c.
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** Space to hold the returned string is obtained from malloc.
*/
static LPWSTR utf8ToUnicode(const char *zFilename){
int nChar;
LPWSTR zWideFilename;
nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename, -1, NULL, 0);
zWideFilename = sqlite3_malloc( nChar*sizeof(zWideFilename[0]) );
if( zWideFilename==0 ){
return 0;
}
nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename,
nChar);
if( nChar==0 ){
................................................................................
** obtained from sqlite3_malloc().
*/
static char *unicodeToUtf8(LPCWSTR zWideFilename){
int nByte;
char *zFilename;
nByte = osWideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, 0, 0, 0, 0);
zFilename = sqlite3_malloc( nByte );
if( zFilename==0 ){
return 0;
}
nByte = osWideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, zFilename, nByte,
0, 0);
if( nByte == 0 ){
................................................................................
static LPWSTR mbcsToUnicode(const char *zFilename){
int nByte;
LPWSTR zMbcsFilename;
int codepage = osAreFileApisANSI() ? CP_ACP : CP_OEMCP;
nByte = osMultiByteToWideChar(codepage, 0, zFilename, -1, NULL,
0)*sizeof(WCHAR);
zMbcsFilename = sqlite3_malloc( nByte*sizeof(zMbcsFilename[0]) );
if( zMbcsFilename==0 ){
return 0;
}
nByte = osMultiByteToWideChar(codepage, 0, zFilename, -1, zMbcsFilename,
nByte);
if( nByte==0 ){
................................................................................
*/
static char *unicodeToMbcs(LPCWSTR zWideFilename){
int nByte;
char *zFilename;
int codepage = osAreFileApisANSI() ? CP_ACP : CP_OEMCP;
nByte = osWideCharToMultiByte(codepage, 0, zWideFilename, -1, 0, 0, 0, 0);
zFilename = sqlite3_malloc( nByte );
if( zFilename==0 ){
return 0;
}
nByte = osWideCharToMultiByte(codepage, 0, zWideFilename, -1, zFilename,
nByte, 0, 0);
if( nByte == 0 ){
|
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** Space to hold the returned string is obtained from malloc.
*/
static LPWSTR utf8ToUnicode(const char *zFilename){
int nChar;
LPWSTR zWideFilename;
nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename, -1, NULL, 0);
if( nChar==0 ){
return 0;
}
zWideFilename = sqlite3_malloc( nChar*sizeof(zWideFilename[0]) );
if( zWideFilename==0 ){
return 0;
}
nChar = osMultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename,
nChar);
if( nChar==0 ){
................................................................................
** obtained from sqlite3_malloc().
*/
static char *unicodeToUtf8(LPCWSTR zWideFilename){
int nByte;
char *zFilename;
nByte = osWideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, 0, 0, 0, 0);
if( nByte == 0 ){
return 0;
}
zFilename = sqlite3_malloc( nByte );
if( zFilename==0 ){
return 0;
}
nByte = osWideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, zFilename, nByte,
0, 0);
if( nByte == 0 ){
................................................................................
static LPWSTR mbcsToUnicode(const char *zFilename){
int nByte;
LPWSTR zMbcsFilename;
int codepage = osAreFileApisANSI() ? CP_ACP : CP_OEMCP;
nByte = osMultiByteToWideChar(codepage, 0, zFilename, -1, NULL,
0)*sizeof(WCHAR);
if( nByte==0 ){
return 0;
}
zMbcsFilename = sqlite3_malloc( nByte*sizeof(zMbcsFilename[0]) );
if( zMbcsFilename==0 ){
return 0;
}
nByte = osMultiByteToWideChar(codepage, 0, zFilename, -1, zMbcsFilename,
nByte);
if( nByte==0 ){
................................................................................
*/
static char *unicodeToMbcs(LPCWSTR zWideFilename){
int nByte;
char *zFilename;
int codepage = osAreFileApisANSI() ? CP_ACP : CP_OEMCP;
nByte = osWideCharToMultiByte(codepage, 0, zWideFilename, -1, 0, 0, 0, 0);
if( nByte == 0 ){
return 0;
}
zFilename = sqlite3_malloc( nByte );
if( zFilename==0 ){
return 0;
}
nByte = osWideCharToMultiByte(codepage, 0, zWideFilename, -1, zFilename,
nByte, 0, 0);
if( nByte == 0 ){
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