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cleanup: unify NULL custom check

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Unify testing of NULL custom pointer.
Resolve 'factor' only in required if() branch.
This commit is contained in:
Zdenek Kabelac 2015-11-17 13:19:39 +01:00
parent cad3568def
commit 121341e52c
1 changed files with 41 additions and 31 deletions
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72
libdm/libdm-report.c
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@ -3211,7 +3211,9 @@ static const char *_tok_value(struct dm_report *rh,
break;
case DM_REPORT_FIELD_TYPE_STRING_LIST:
str_list = (struct selection_str_list **) custom;
if (!(str_list = (struct selection_str_list **) custom))
goto_bad;
s = _tok_value_string_list(ft, mem, s, begin, end, str_list);
if (!(*str_list)) {
log_error("Failed to parse string list value "
@ -3232,8 +3234,6 @@ static const char *_tok_value(struct dm_report *rh,
return NULL;
}
factor = (uint64_t *) custom;
if (*s == DM_PERCENT_CHAR) {
s++;
c = DM_PERCENT_CHAR;
@ -3244,24 +3244,29 @@ static const char *_tok_value(struct dm_report *rh,
"numeric" : "size", ft->id);
return NULL;
}
} else if ((*factor = dm_units_to_factor(s, &c, 0, &tmp))) {
s = tmp;
if (expected_type != DM_REPORT_FIELD_TYPE_SIZE) {
log_error("Found size unit specifier "
"but %s value expected for "
"selection field %s.",
expected_type == DM_REPORT_FIELD_TYPE_NUMBER ?
"numeric" : "percent", ft->id);
return NULL;
} else {
if (!(factor = (uint64_t *) custom))
goto_bad;
if ((*factor = dm_units_to_factor(s, &c, 0, &tmp))) {
s = tmp;
if (expected_type != DM_REPORT_FIELD_TYPE_SIZE) {
log_error("Found size unit specifier "
"but %s value expected for "
"selection field %s.",
expected_type == DM_REPORT_FIELD_TYPE_NUMBER ?
"numeric" : "percent", ft->id);
return NULL;
}
} else if (expected_type == DM_REPORT_FIELD_TYPE_SIZE) {
/*
* If size unit is not defined in the selection
* and the type expected is size, use use 'm'
* (1 MiB) for the unit by default. This is the
* same behaviour as seen in lvcreate -L <size>.
*/
*factor = 1024*1024;
}
} else if (expected_type == DM_REPORT_FIELD_TYPE_SIZE) {
/*
* If size unit is not defined in the selection
* and the type expected is size, use use 'm'
* (1 MiB) for the unit by default. This is the
* same behaviour as seen in lvcreate -L <size>.
*/
*factor = 1024*1024;
}
*flags |= expected_type;
@ -3273,7 +3278,9 @@ static const char *_tok_value(struct dm_report *rh,
break;
case DM_REPORT_FIELD_TYPE_TIME:
tval = (struct time_value *) custom;
if (!(tval = (struct time_value *) custom))
goto_bad;
if (!(s = _tok_value_time(ft, mem, s, begin, end, tval))) {
log_error("Failed to parse time value "
"for selection field %s.", ft->id);
@ -3290,6 +3297,10 @@ static const char *_tok_value(struct dm_report *rh,
}
return s;
bad:
log_error(INTERNAL_ERROR "Forbidden NULL custom detected.");
return NULL;
}
/*
@ -3412,7 +3423,8 @@ static struct field_selection *_create_field_selection(struct dm_report *rh,
}
if (((rvw->reserved && (rvw->reserved->type & DM_REPORT_FIELD_RESERVED_VALUE_RANGE)) ||
(((flags & DM_REPORT_FIELD_TYPE_MASK) == DM_REPORT_FIELD_TYPE_TIME) && ((struct time_value *) custom)->range))
(((flags & DM_REPORT_FIELD_TYPE_MASK) == DM_REPORT_FIELD_TYPE_TIME) &&
custom && ((struct time_value *) custom)->range))
&&
!(fs->value->next = dm_pool_zalloc(rh->selection->mem, sizeof(struct field_selection_value)))) {
log_error(_field_selection_value_alloc_failed_msg, field_id);
@ -3529,10 +3541,8 @@ static struct field_selection *_create_field_selection(struct dm_report *rh,
}
break;
case DM_REPORT_FIELD_TYPE_STRING_LIST:
if (!custom) {
log_error(INTERNAL_ERROR "Custom selection list is undefined.");
goto error;
}
if (!custom)
goto_bad;
fs->value->v.l = *(struct selection_str_list **)custom;
if (_check_value_is_strictly_reserved(rh, field_num, DM_REPORT_FIELD_TYPE_STRING_LIST, fs->value->v.l, NULL)) {
log_error("String list value found in selection is reserved.");
@ -3545,11 +3555,8 @@ static struct field_selection *_create_field_selection(struct dm_report *rh,
if (rvw->reserved->type & DM_REPORT_FIELD_RESERVED_VALUE_RANGE)
fs->value->next->v.t = (((const time_t *) rvw->value)[1]);
} else {
if (!custom) {
log_error(INTERNAL_ERROR "Custom time value is undefined.");
goto error;
}
tval = (struct time_value *) custom;
if (!(tval = (struct time_value *) custom))
goto_bad;
fs->value->v.t = tval->t1;
if (tval->range)
fs->value->next->v.t = tval->t2;
@ -3567,8 +3574,11 @@ static struct field_selection *_create_field_selection(struct dm_report *rh,
}
return fs;
bad:
log_error(INTERNAL_ERROR "Forbiden NULL custom detected.");
error:
dm_pool_free(rh->selection->mem, fs);
return NULL;
}