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VFS - ConvertFromUtf8 extended to all platforms.

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This commit is contained in:
Sandrine Avakian 2016-06-14 17:15:23 +02:00
parent 11b98c90f3
commit ab5a15124a
1 changed files with 63 additions and 35 deletions
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98
coreapi/sqlite3_bctbx_vfs.c
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@ -28,6 +28,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#endif /*_WIN32_WCE*/
#ifndef _WIN32
#if !defined(__QNXNTO__)
# include <langinfo.h>
# include <locale.h>
# include <iconv.h>
# include <string.h>
#endif
#endif
/**
* Closes the file whose file descriptor is stored in the file handle p.
@ -221,43 +231,64 @@ static int sqlite3bctbx_Sync(sqlite3_file *p, int flags){
/************************ END OF PLACE HOLDER FUNCTIONS ***********************/
#if _WIN32
static char* ConvertFromUtf8Filename(const char* fName){
void *zConverted = 0;
char* zFilename;
int nChar, nByte;
LPWSTR zWideFilename;
static char* ConvertFromUtf8Filename(const char* fName){
#if _WIN32
char* convertedFilename;
int nChar, nb_byte;
LPWSTR wideFilename;
nChar = MultiByteToWideChar(CP_UTF8, 0, fName, -1, NULL, 0);
if (nChar == 0){
return BCTBX_VFS_ERROR;
}
zWideFilename = bctbx_malloc(nChar*sizeof(zWideFilename[0]));
if (zWideFilename == 0){
wideFilename = bctbx_malloc(nChar*sizeof(wideFilename[0]));
if (wideFilename == 0){
return 0;
}
nChar = MultiByteToWideChar(CP_UTF8, 0, fName, -1, zWideFilename,
nChar);
nChar = MultiByteToWideChar(CP_UTF8, 0, fName, -1, wideFilename,
nChar);
if (nChar == 0){
bctbx_free(zWideFilename);
zWideFilename = 0;
bctbx_free(wideFilename);
wideFilename = 0;
}
nb_byte = WideCharToMultiByte(CP_ACP, 0, wideFilename, -1, 0, 0, 0, 0);
if (nb_byte == 0){
return 0;
}
convertedFilename = bctbx_malloc(nb_byte);
if (convertedFilename == 0){
return 0;
}
nb_byte = WideCharToMultiByte(CP_ACP, 0, wideFilename, -1, convertedFilename,
nb_byte, 0, 0);
if (nb_byte == 0){
bctbx_free(convertedFilename);
convertedFilename = 0;
}
bctbx_free(wideFilename);
return convertedFilename;
#else
#define MAX_PATH_SIZE 1024
char db_file_utf8[MAX_PATH_SIZE] = {'\0'};
char db_file_locale[MAX_PATH_SIZE] = "";
char *outbuf=db_file_locale, *inbuf=db_file_utf8;
size_t inbyteleft = MAX_PATH_SIZE, outbyteleft = MAX_PATH_SIZE;
iconv_t cb;
strncpy(db_file_utf8, fName, MAX_PATH_SIZE-1);
cb = iconv_open(nl_langinfo(CODESET), "UTF-8");
if(cb != (iconv_t)-1) {
int ret;
ret = iconv(cb, &inbuf, &inbyteleft, &outbuf, &outbyteleft);
if(ret == -1) db_file_locale[0] = '\0';
iconv_close(cb);
}
return bctbx_strdup(db_file_locale);
#endif
nByte = WideCharToMultiByte(CP_ACP, 0, zWideFilename, -1, 0, 0, 0, 0);
if (nByte == 0){
return 0;
}
zFilename = bctbx_malloc(nByte);
if (zFilename == 0){
return 0;
}
nByte = WideCharToMultiByte(CP_ACP, 0, zWideFilename, -1, zFilename,
nByte, 0, 0);
if (nByte == 0){
bctbx_free(zFilename);
zFilename = 0;
}
return zFilename;
}
#endif
@ -293,12 +324,13 @@ static int sqlite3bctbx_Open(sqlite3_vfs *pVfs, const char *fName, sqlite3_file
sqlite3_bctbx_file_t * pFile = (sqlite3_bctbx_file_t*)p; /*File handle sqlite3_bctbx_file_t*/
int openFlags = 0;
const char* wFname;
char* wFname;
/*returns error if filename is empty or file handle not initialized*/
if (pFile == NULL || fName == NULL){
return SQLITE_IOERR;
}
/* Set flags to open the file with */
if( flags&SQLITE_OPEN_EXCLUSIVE ) openFlags |= O_EXCL;
if( flags&SQLITE_OPEN_CREATE ) openFlags |= O_CREAT;
@ -307,12 +339,11 @@ static int sqlite3bctbx_Open(sqlite3_vfs *pVfs, const char *fName, sqlite3_file
#if defined(_WIN32)
openFlags |= O_BINARY;
wFname = ConvertFromUtf8Filename(fName);
#else
wFname = fName;
#endif
wFname = ConvertFromUtf8Filename(fName);
pFile->pbctbx_file = bctbx_file_open2(bctbx_vfs_get_default(), wFname, openFlags);
bctbx_free(wFname);
if( pFile->pbctbx_file == NULL){
return SQLITE_CANTOPEN;
}
@ -390,6 +421,3 @@ void sqlite3_bctbx_vfs_unregister(void)
sqlite3_vfs_unregister(pVfs);
}
#endif