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Add the "-heap" option to the command-line shell - to allocate a fixed heap

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for use with SQLITE_ENABLE_MEMSYS5.

FossilOrigin-Name: 74fff692345fed4b247e2b34c1e63b4d50cddfd4
This commit is contained in:
drh
2010-12-17 14:03:01 +00:00
parent cd2f58b374
commit 9c88d68988
3 changed files with 29 additions and 10 deletions
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19
src/shell.c
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@@ -2542,6 +2542,7 @@ int main(int argc, char **argv){
/* Do an initial pass through the command-line argument to locate
** the name of the database file, the name of the initialization file,
** the size of the alternative malloc heap,
** and the first command to execute.
*/
for(i=1; i<argc-1; i++){
@@ -2560,6 +2561,22 @@ int main(int argc, char **argv){
*/
}else if( strcmp(argv[i],"-batch")==0 ){
stdin_is_interactive = 0;
}else if( strcmp(argv[i],"-heap")==0 ){
int j, c;
const char *zSize;
sqlite3_int64 szHeap;
zSize = argv[++i];
szHeap = atoi(zSize);
for(j=0; (c = zSize[j])!=0; j++){
if( c=='M' ){ szHeap *= 1000000; break; }
if( c=='K' ){ szHeap *= 1000; break; }
if( c=='G' ){ szHeap *= 1000000000; break; }
}
if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000;
#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
#endif
}
}
if( i<argc ){
@@ -2666,6 +2683,8 @@ int main(int argc, char **argv){
stdin_is_interactive = 1;
}else if( strcmp(z,"-batch")==0 ){
stdin_is_interactive = 0;
}else if( strcmp(z,"-heap")==0 ){
i++;
}else if( strcmp(z,"-help")==0 || strcmp(z, "--help")==0 ){
usage(1);
}else{