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Comment out unused code when SQLITE_OMIT_FLOATING_POINT is selected.

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Added testcase() macros to boundary conditions in util.c routines.

FossilOrigin-Name: dfc6595d347ea87923a857778b68751103f535d2
This commit is contained in:
drh
2010-01-13 04:22:20 +00:00
parent 7ec5ea942e
commit 44dbca83c7
4 changed files with 26 additions and 11 deletions
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13
src/util.c
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@@ -255,6 +255,7 @@ int sqlite3IsNumber(const char *z, int *realnum, u8 enc){
z += incr;
*realnum = 0;
while( sqlite3Isdigit(*z) ){ z += incr; }
#ifndef SQLITE_OMIT_FLOATING_POINT
if( *z=='.' ){
z += incr;
if( !sqlite3Isdigit(*z) ) return 0;
@@ -268,6 +269,7 @@ int sqlite3IsNumber(const char *z, int *realnum, u8 enc){
while( sqlite3Isdigit(*z) ){ z += incr; }
*realnum = 1;
}
#endif
return *z==0;
}
@@ -429,6 +431,9 @@ static int compare2pow63(const char *zNum){
c = memcmp(zNum,"922337203685477580",18)*10;
if( c==0 ){
c = zNum[18] - '8';
testcase( c==(-1) );
testcase( c==0 );
testcase( c==(+1) );
}
return c;
}
@@ -465,6 +470,9 @@ int sqlite3Atoi64(const char *zNum, i64 *pNum){
v = v*10 + c - '0';
}
*pNum = neg ? -v : v;
testcase( i==18 );
testcase( i==19 );
testcase( i==20 );
if( c!=0 || (i==0 && zStart==zNum) || i>19 ){
/* zNum is empty or contains non-numeric text or is longer
** than 19 digits (thus guaranting that it is too large) */
@@ -508,6 +516,9 @@ int sqlite3FitsIn64Bits(const char *zNum, int negFlag){
zNum++; /* Skip leading zeros. Ticket #2454 */
}
for(i=0; zNum[i]; i++){ assert( zNum[i]>='0' && zNum[i]<='9' ); }
testcase( i==18 );
testcase( i==19 );
testcase( i==20 );
if( i<19 ){
/* Guaranteed to fit if less than 19 digits */
return 1;
@@ -548,9 +559,11 @@ int sqlite3GetInt32(const char *zNum, int *pValue){
** 1234567890
** 2^31 -> 2147483648
*/
testcase( i==10 );
if( i>10 ){
return 0;
}
testcase( v-neg==2147483647 );
if( v-neg>2147483647 ){
return 0;
}