diff options
Diffstat (limited to 'src/test_quota.c')
| -rw-r--r-- | src/test_quota.c | 93 |
1 files changed, 79 insertions, 14 deletions
diff --git a/src/test_quota.c b/src/test_quota.c index 38dc36f..2ce46ac 100644 --- a/src/test_quota.c +++ b/src/test_quota.c @@ -48,7 +48,7 @@ /* ** Figure out if we are dealing with Unix, Windows, or some other ** operating system. After the following block of preprocess macros, -** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, SQLITE_OS_OS2, and SQLITE_OS_OTHER +** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, and SQLITE_OS_OTHER ** will defined to either 1 or 0. One of the four will be 1. The other ** three will be 0. */ @@ -58,8 +58,6 @@ # define SQLITE_OS_UNIX 0 # undef SQLITE_OS_WIN # define SQLITE_OS_WIN 0 -# undef SQLITE_OS_OS2 -# define SQLITE_OS_OS2 0 # else # undef SQLITE_OS_OTHER # endif @@ -71,20 +69,12 @@ || defined(__MINGW32__) || defined(__BORLANDC__) # define SQLITE_OS_WIN 1 # define SQLITE_OS_UNIX 0 -# define SQLITE_OS_OS2 0 -# elif defined(__EMX__) || defined(_OS2) || defined(OS2) \ - || defined(_OS2_) || defined(__OS2__) -# define SQLITE_OS_WIN 0 -# define SQLITE_OS_UNIX 0 -# define SQLITE_OS_OS2 1 # else # define SQLITE_OS_WIN 0 # define SQLITE_OS_UNIX 1 -# define SQLITE_OS_OS2 0 # endif # else # define SQLITE_OS_UNIX 0 -# define SQLITE_OS_OS2 0 # endif #else # ifndef SQLITE_OS_WIN @@ -1042,7 +1032,7 @@ size_t sqlite3_quota_fread( ** the write if we exceed quota. */ size_t sqlite3_quota_fwrite( - void *pBuf, /* Take content to write from here */ + const void *pBuf, /* Take content to write from here */ size_t size, /* Size of each element */ size_t nmemb, /* Number of elements */ quota_FILE *p /* Write to this quota_FILE objecct */ @@ -1052,7 +1042,7 @@ size_t sqlite3_quota_fwrite( sqlite3_int64 szNew; quotaFile *pFile; size_t rc; - + iOfst = ftell(p->f); iEnd = iOfst + size*nmemb; pFile = p->pFile; @@ -1091,7 +1081,7 @@ size_t sqlite3_quota_fwrite( pFile->iSize = iNewEnd; quotaLeave(); } - return rc; + return rc; } /* @@ -1161,6 +1151,13 @@ long sqlite3_quota_ftell(quota_FILE *p){ } /* +** Test the error indicator for the given file. +*/ +int sqlite3_quota_ferror(quota_FILE *p){ + return ferror(p->f); +} + +/* ** Truncate a file to szNew bytes. */ int sqlite3_quota_ftruncate(quota_FILE *p, sqlite3_int64 szNew){ @@ -1236,6 +1233,25 @@ sqlite3_int64 sqlite3_quota_file_truesize(quota_FILE *p){ sqlite3_int64 sqlite3_quota_file_size(quota_FILE *p){ return p->pFile ? p->pFile->iSize : -1; } + +/* +** Determine the amount of data in bytes available for reading +** in the given file. +*/ +long sqlite3_quota_file_available(quota_FILE *p){ + FILE* f = p->f; + long pos1, pos2; + int rc; + pos1 = ftell(f); + if ( pos1 < 0 ) return -1; + rc = fseek(f, 0, SEEK_END); + if ( rc != 0 ) return -1; + pos2 = ftell(f); + if ( pos2 < 0 ) return -1; + rc = fseek(f, pos1, SEEK_SET); + if ( rc != 0 ) return -1; + return pos2 - pos1; +} /* ** Remove a managed file. Update quotas accordingly. @@ -1896,6 +1912,53 @@ static int test_quota_glob( } /* +** tclcmd: sqlite3_quota_file_available HANDLE +** +** Return the number of bytes from the current file point to the end of +** the file. +*/ +static int test_quota_file_available( + void * clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *CONST objv[] +){ + quota_FILE *p; + sqlite3_int64 x; + if( objc!=2 ){ + Tcl_WrongNumArgs(interp, 1, objv, "HANDLE"); + return TCL_ERROR; + } + p = sqlite3TestTextToPtr(Tcl_GetString(objv[1])); + x = sqlite3_quota_file_available(p); + Tcl_SetObjResult(interp, Tcl_NewWideIntObj(x)); + return TCL_OK; +} + +/* +** tclcmd: sqlite3_quota_ferror HANDLE +** +** Return true if the file handle is in the error state. +*/ +static int test_quota_ferror( + void * clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *CONST objv[] +){ + quota_FILE *p; + int x; + if( objc!=2 ){ + Tcl_WrongNumArgs(interp, 1, objv, "HANDLE"); + return TCL_ERROR; + } + p = sqlite3TestTextToPtr(Tcl_GetString(objv[1])); + x = sqlite3_quota_ferror(p); + Tcl_SetObjResult(interp, Tcl_NewIntObj(x)); + return TCL_OK; +} + +/* ** This routine registers the custom TCL commands defined in this ** module. This should be the only procedure visible from outside ** of this module. @@ -1924,6 +1987,8 @@ int Sqlitequota_Init(Tcl_Interp *interp){ { "sqlite3_quota_file_mtime", test_quota_file_mtime }, { "sqlite3_quota_remove", test_quota_remove }, { "sqlite3_quota_glob", test_quota_glob }, + { "sqlite3_quota_file_available",test_quota_file_available }, + { "sqlite3_quota_ferror", test_quota_ferror }, }; int i; |