Changeset: d4dc3e38202c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=d4dc3e38202c
Modified Files:
sql/backends/monet5/sql_statement.c
Branch: default
Log Message:
Plug memory leaks.
pushArgumentId no longer takes over the name argument but copies its content.
diffs (102 lines):
diff --git a/sql/backends/monet5/sql_statement.c
b/sql/backends/monet5/sql_statement.c
--- a/sql/backends/monet5/sql_statement.c
+++ b/sql/backends/monet5/sql_statement.c
@@ -286,6 +286,7 @@ stmt_var(backend *be, const char *varnam
{
MalBlkPtr mb = be->mb;
InstrPtr q = NULL;
+ char buf[IDLENGTH];
if (level == 1 ) { /* global */
int tt = t->type->localtype;
@@ -298,26 +299,16 @@ stmt_var(backend *be, const char *varnam
setVarType(mb, getArg(q, 0), tt);
setVarUDFtype(mb, getArg(q, 0));
} else if (!declare) {
- char *buf = GDKmalloc(MAXIDENTLEN);
-
- if (buf == NULL)
- return NULL;
- (void) snprintf(buf, MAXIDENTLEN, "A%s", varname);
+ (void) snprintf(buf, sizeof(buf), "A%s", varname);
q = newAssignment(mb);
q = pushArgumentId(mb, q, buf);
- GDKfree(buf);
} else {
- char *buf;
int tt;
tt = t->type->localtype;
- buf = GDKmalloc(MAXIDENTLEN);
- if (buf == NULL)
- return NULL;
- (void) snprintf(buf, MAXIDENTLEN, "A%s", varname);
+ (void) snprintf(buf, sizeof(buf), "A%s", varname);
q = newInstruction(mb, NULL, NULL);
if (q == NULL) {
- GDKfree(buf);
return NULL;
}
q->argc = q->retc = 0;
@@ -349,20 +340,15 @@ stmt_vars(backend *be, const char *varna
{
MalBlkPtr mb = be->mb;
InstrPtr q = NULL;
-
- char *buf;
+ char buf[IDLENGTH];
int tt = 0;
/* declared table */
if (dump_table(mb, t) < 0)
return NULL;
- buf = GDKmalloc(MAXIDENTLEN);
- if (buf == NULL)
- return NULL;
- (void) snprintf(buf, MAXIDENTLEN, "A%s", varname);
+ (void) snprintf(buf, sizeof(buf), "A%s", varname);
q = newInstruction(mb, NULL, NULL);
if (q == NULL) {
- GDKfree(buf);
return NULL;
}
q->argc = q->retc = 0;
@@ -398,11 +384,9 @@ stmt_varnr(backend *be, int nr, sql_subt
if (be->mvc->argc && be->mvc->args[nr]->varid >= 0) {
q = pushArgument(mb, q, be->mvc->args[nr]->varid);
} else {
- char *buf = GDKmalloc(IDLENGTH);
-
- if (buf == NULL)
- return NULL;
- (void) snprintf(buf, IDLENGTH, "A%d", nr);
+ char buf[IDLENGTH];
+
+ (void) snprintf(buf, sizeof(buf), "A%d", nr);
q = pushArgumentId(mb, q, buf);
}
if (q) {
@@ -3414,7 +3398,7 @@ stmt_assign(backend *be, const char *var
if (val && val->nr < 0)
return NULL;
if (level != 1) {
- char *buf;
+ char buf[IDLENGTH];
if (!val) {
/* drop declared table */
@@ -3423,13 +3407,9 @@ stmt_assign(backend *be, const char *var
if (getDestVar(k) < 0)
return NULL;
}
- buf = GDKmalloc(MAXIDENTLEN);
- if (buf == NULL)
- return NULL;
- (void) snprintf(buf, MAXIDENTLEN, "A%s", varname);
+ (void) snprintf(buf, sizeof(buf), "A%s", varname);
q = newInstruction(mb, NULL, NULL);
if (q == NULL) {
- GDKfree(buf);
return NULL;
}
q->argc = q->retc = 0;
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