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remove superfluous free() checks

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free() correctly handles NULL pointers, so we can omit explicit checks
for that condition.
This commit is contained in:
Clemens Ladisch 2006-02-27 09:58:32 +00:00
parent 45850439b3
commit 4433248bf3
33 changed files with 108 additions and 205 deletions
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12
src/alisp/alisp.c
View file

@ -165,8 +165,7 @@ static void free_object(struct alisp_object * p)
switch (alisp_get_type(p)) {
case ALISP_OBJ_STRING:
case ALISP_OBJ_IDENTIFIER:
if (p->value.s)
free(p->value.s);
free(p->value.s);
alisp_set_type(p, ALISP_OBJ_INTEGER);
break;
default:
@ -523,8 +522,7 @@ static int init_lex(struct alisp_instance *instance)
static void done_lex(struct alisp_instance *instance)
{
if (instance->token_buffer)
free(instance->token_buffer);
free(instance->token_buffer);
}
static char * extend_buf(struct alisp_instance *instance, char *p)
@ -1184,8 +1182,7 @@ static struct alisp_object * F_concat(struct alisp_instance *instance, struct al
str1 = realloc(str, (str ? strlen(str) : 0) + strlen(p1->value.s) + 1);
if (str1 == NULL) {
nomem();
if (str)
free(str);
free(str);
return NULL;
}
if (str == NULL)
@ -2366,8 +2363,7 @@ static struct alisp_object * eval_func(struct alisp_instance *instance, struct a
}
_end:
if (eval_objs)
free(eval_objs);
free(eval_objs);
return p4;
} else {