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variable.c, remove memory leaks

This commit is contained in:
h_vogt 2016-07-24 18:05:48 +02:00 committed by rlar
parent ac336c9920
commit fe24b3e6dd
1 changed files with 8 additions and 14 deletions
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22
src/frontend/variable.c
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@ -183,6 +183,8 @@ cp_vset(char *varname, enum cp_types type, void *value)
v->va_next = variables;
variables = v;
}
else if (v_free)
free_struct_variable(v);
break;
case US_DONTRECORD:
@ -191,6 +193,8 @@ cp_vset(char *varname, enum cp_types type, void *value)
fprintf(cp_err, "cp_vset: Internal Error: "
"%s already there, but 'dont record'\n", v->va_name);
}
if (v_free)
free_struct_variable(v);
break;
case US_READONLY:
@ -220,30 +224,24 @@ cp_vset(char *varname, enum cp_types type, void *value)
v->va_next = ft_curckt->ci_vars;
ft_curckt->ci_vars = v;
} else {
/* va: avoid memory leak within memcpy */
if (u->va_type == CP_STRING)
tfree(u->va_string);
else if (u->va_type == CP_LIST)
tfree(u->va_vlist);
u->va_V = v->va_V;
/* va_name is the same string */
u->va_type = v->va_type;
/* va_name is the same string */
tfree(u->va_name);
u->va_name = v->va_name;
/* va_next left unchanged */
// tfree(v->va_name);
tfree(v);
/* va: old version with memory leaks
w = u->va_next;
memcpy(u, v, sizeof(*u));
u->va_next = w;
*/
}
}
break;
case US_NOSIMVAR:
/* What do you do? */
tfree(v->va_name);
tfree(v);
free_struct_variable(v);
break;
default:
@ -251,10 +249,6 @@ cp_vset(char *varname, enum cp_types type, void *value)
break;
}
/* if (v_free) {
tfree(v->va_name);
tfree(v);
} */
tfree(copyvarname);
}