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cli: avoid unnecessary string clones for stripping whitespace for property values

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This commit is contained in:
Thomas Haller 2019-03-18 13:14:33 +01:00
parent 649968632e
commit 2bc29453bd
2 changed files with 40 additions and 38 deletions
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76
clients/common/nm-meta-setting-desc.c
View file

@ -124,7 +124,8 @@ _parse_ip_route (int family,
gint64 metric = -1;
guint i;
gs_free const char **routev = NULL;
gs_free char *str_clean = NULL;
gs_free char *str_clean_free = NULL;
const char *str_clean;
gs_free char *dest_clone = NULL;
const char *dest;
const char *plen;
@ -136,7 +137,7 @@ _parse_ip_route (int family,
nm_assert (str);
nm_assert (!error || !*error);
str_clean = g_strstrip (g_strdup (str));
str_clean = nm_strstrip_avoid_copy (str, &str_clean_free);
routev = nm_utils_strsplit_set (str_clean, " \t", FALSE);
if (!routev) {
g_set_error (error, 1, 0,
@ -299,7 +300,8 @@ _parse_team_link_watcher (const char *str,
GError **error)
{
gs_free const char **watcherv = NULL;
gs_free char *str_clean = NULL;
gs_free char *str_clean_free = NULL;
const char *str_clean;
guint i;
gs_free const char *name = NULL;
int val1 = 0, val2 = 0, val3 = 3, val4 = -1;
@ -310,7 +312,7 @@ _parse_team_link_watcher (const char *str,
nm_assert (str);
nm_assert (!error || !*error);
str_clean = g_strstrip (g_strdup (str));
str_clean = nm_strstrip_avoid_copy (str, &str_clean_free);
watcherv = nm_utils_strsplit_set (str_clean, " \t", FALSE);
if (!watcherv) {
g_set_error (error, 1, 0, "'%s' is not valid", str);
@ -1064,14 +1066,10 @@ _set_fcn_gobject_int (ARGS_SET_FCN)
if (property_info->property_typ_data) {
if ( value
&& (value_infos = property_info->property_typ_data->subtype.gobject_int.value_infos)) {
gs_free char *vv_stripped = NULL;
const char *vv = nm_str_skip_leading_spaces (value);
if (vv[0] && g_ascii_isspace (vv[strlen (vv) - 1])) {
vv_stripped = g_strstrip (g_strdup (vv));
vv = vv_stripped;
}
gs_free char *vv_free = NULL;
const char *vv;
vv = nm_strstrip_avoid_copy (value, &vv_free);
for (; value_infos->nick; value_infos++) {
if (nm_streq (value_infos->nick, vv)) {
v = value_infos->value;
@ -1636,9 +1634,12 @@ vpn_data_item (const char *key, const char *value, gpointer user_data)
\
strv = nm_utils_strsplit_set (value, ",", FALSE); \
for (iter = strv; iter && *iter; iter++) { \
gs_free char *left_clone = g_strstrip (g_strdup (*iter)); \
char *left = left_clone; \
char *right = strchr (left, '='); \
char *left; \
char *right; \
\
left = g_strstrip ((char *) *iter); \
right = strchr (left, '='); \
\
if (!right) { \
g_set_error (error, 1, 0, _("'%s' is not valid; use <option>=<value>"), *iter); \
return FALSE; \
@ -1947,8 +1948,6 @@ _set_fcn_gobject_bytes (ARGS_SET_FCN)
gs_unref_bytes GBytes *bytes = NULL;
GByteArray *array;
nm_assert (!error || !*error);
val_strip = nm_strstrip_avoid_copy (value, &val_strip_free);
/* First try hex string in the format of AAbbCCDd */
@ -2195,19 +2194,17 @@ _get_fcn_802_1x_phase2_private_key (ARGS_GET_FCN)
static gboolean \
def_func (ARGS_SET_FCN) \
{ \
char *val_strip = g_strstrip (g_strdup (value)); \
char *p = val_strip; \
gs_free char *value_to_free = NULL; \
NMSetting8021xCKScheme scheme = NM_SETTING_802_1X_CK_SCHEME_PATH; \
gboolean success; \
\
if (strncmp (val_strip, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PKCS11, NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PKCS11)) == 0) \
value = nm_strstrip_avoid_copy (value, &value_to_free); \
\
if (strncmp (value, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PKCS11, NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PKCS11)) == 0) \
scheme = NM_SETTING_802_1X_CK_SCHEME_PKCS11; \
else if (strncmp (val_strip, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH, NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH)) == 0) \
p += NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH); \
else if (strncmp (value, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH, NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH)) == 0) \
value += NM_STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH); \
\
success = set_func (NM_SETTING_802_1X (setting), p, scheme, NULL, error); \
g_free (val_strip); \
return success; \
return set_func (NM_SETTING_802_1X (setting), value, scheme, NULL, error); \
}
#define DEFINE_SETTER_PRIV_KEY(def_func, pwd_func, set_func) \
@ -3246,8 +3243,9 @@ _set_fcn_ip4_config_dns (ARGS_SET_FCN)
strv = nm_utils_strsplit_set (value, " \t,", FALSE);
for (iter = strv; iter && *iter; iter++) {
gs_free char *addr = g_strstrip (g_strdup (*iter));
const char *addr;
addr = g_strstrip ((char *) *iter);
if (inet_pton (AF_INET, addr, &ip4_addr) < 1) {
g_set_error (error, 1, 0, _("invalid IPv4 address '%s'"), addr);
return FALSE;
@ -3369,16 +3367,16 @@ DEFINE_REMOVER_INDEX_OR_VALUE_COMPLEX (_remove_fcn_ipv4_config_addresses,
static gboolean
_set_fcn_ip4_config_gateway (ARGS_SET_FCN)
{
gs_free char *addr = NULL;
gs_free char *value_to_free = NULL;
addr = g_strstrip (g_strdup (value));
value = nm_strstrip_avoid_copy (value, &value_to_free);
if (!nm_utils_ipaddr_valid (AF_INET, addr)) {
if (!nm_utils_ipaddr_valid (AF_INET, value)) {
g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_INVALID_ARGUMENT,
_("invalid gateway address '%s'"), value);
return FALSE;
}
g_object_set (setting, property_info->property_name, addr, NULL);
g_object_set (setting, property_info->property_name, value, NULL);
return TRUE;
}
@ -3451,7 +3449,9 @@ _set_fcn_ip6_config_dns (ARGS_SET_FCN)
strv = nm_utils_strsplit_set (value, " \t,", FALSE);
for (iter = strv; iter && *iter; iter++) {
gs_free char *addr = g_strstrip (g_strdup (*iter));
const char *addr;
addr = g_strstrip ((char *) *iter);
if (inet_pton (AF_INET6, addr, &ip6_addr) < 1) {
g_set_error (error, 1, 0, _("invalid IPv6 address '%s'"), addr);
@ -3530,18 +3530,18 @@ DEFINE_REMOVER_INDEX_OR_VALUE_COMPLEX (_remove_fcn_ipv6_config_addresses,
static gboolean
_set_fcn_ip6_config_gateway (ARGS_SET_FCN)
{
gs_free char *addr = NULL;
gs_free char *value_to_free = NULL;
addr = g_strstrip (g_strdup (value));
value = nm_strstrip_avoid_copy (value, &value_to_free);
if (!nm_utils_ipaddr_valid (AF_INET6, addr)) {
if (!nm_utils_ipaddr_valid (AF_INET6, value)) {
g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_INVALID_ARGUMENT,
_("invalid gateway address '%s'"),
addr);
value);
return FALSE;
}
g_object_set (setting, property_info->property_name, addr, NULL);
g_object_set (setting, property_info->property_name, value, NULL);
return TRUE;
}
@ -4629,11 +4629,11 @@ _get_fcn_ethtool (ARGS_GET_FCN)
static gboolean
_set_fcn_ethtool (ARGS_SET_FCN)
{
gs_free char *value_clone = NULL;
gs_free char *value_to_free = NULL;
NMTernary val;
NMEthtoolID ethtool_id = property_info->property_typ_data->subtype.ethtool.ethtool_id;
value = nm_strstrip_avoid_copy (value, &value_clone);
value = nm_strstrip_avoid_copy (value, &value_to_free);
if (NM_IN_STRSET (value, "1", "yes", "true", "on"))
val = NM_TERNARY_TRUE;

2
shared/nm-utils/nm-shared-utils.c
View file

@ -987,6 +987,8 @@ comp_l:
* The strings to which the result strv array points to are allocated
* after the returned result itself. Don't free the strings themself,
* but free everything with g_free().
* It is however safe and allowed to modify the indiviual strings,
* like "g_strstrip((char *) iter[0])".
*/
const char **
nm_utils_strsplit_set (const char *str, const char *delimiters, gboolean allow_escaping)