+/*
+** Interpret zArg as an integer value, possibly with suffixes.
+*/
+static sqlite3_int64 integerValue(const char *zArg){
+ sqlite3_int64 v = 0;
+ static const struct { char *zSuffix; int iMult; } aMult[] = {
+ { "KiB", 1024 },
+ { "MiB", 1024*1024 },
+ { "GiB", 1024*1024*1024 },
+ { "KB", 1000 },
+ { "MB", 1000000 },
+ { "GB", 1000000000 },
+ { "K", 1000 },
+ { "M", 1000000 },
+ { "G", 1000000000 },
+ };
+ int i;
+ int isNeg = 0;
+ if( zArg[0]=='-' ){
+ isNeg = 1;
+ zArg++;
+ }else if( zArg[0]=='+' ){
+ zArg++;
+ }
+ while( isdigit(zArg[0]) ){
+ v = v*10 + zArg[0] - '0';
+ zArg++;
+ }
+ for(i=0; i<sizeof(aMult)/sizeof(aMult[0]); i++){
+ if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
+ v *= aMult[i].iMult;
+ break;
+ }
+ }
+ return isNeg? -v : v;
+}
+