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Fix parser crash on empty strings

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This commit is contained in:
Ron Pedde 2006-03-24 22:29:24 +00:00
parent 1cca7d3a53
commit 75fab9657d
1 changed files with 11 additions and 6 deletions
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17
src/smart-parser.c
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@ -1353,7 +1353,9 @@ int sp_node_size(SP_NODE *node) {
if(node->op_type == SP_OPTYPE_STRING) {
string_size = 0;
db_sql_escape(NULL,&string_size,"%q",node->right.cvalue);
if((node->right.cvalue) && (strlen(node->right.cvalue)))
db_sql_escape(NULL,&string_size,"%q",node->right.cvalue);
size += (2 + string_size);
if(node->op == T_INCLUDES) {
size += 2; /* extra %'s */
@ -1406,13 +1408,16 @@ void sp_serialize_sql(SP_NODE *node, char *string) {
if((node->op == T_INCLUDES) || (node->op == T_ENDSWITH))
strcat(string,"%");
size = 0;
db_sql_escape(NULL,&size,"%q",node->right.cvalue);
/* we don't have a way to verify we have that much
if((node->right.cvalue) && (strlen(node->right.cvalue)))
db_sql_escape(NULL,&size,"%q",node->right.cvalue);
/* we don't have a way to verify we have that much
* room, but we must... we allocated it earlier.
*/
db_sql_escape(&string[strlen(string)],&size,"%q",node->right.cvalue);
if((node->right.cvalue) && (strlen(node->right.cvalue)))
db_sql_escape(&string[strlen(string)],&size,"%q",
node->right.cvalue);
// strcat(string,node->right.cvalue);
if((node->op == T_INCLUDES) || (node->op == T_STARTSWITH))
strcat(string,"%");