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core: avoid compiler warning when compiling with -fexceptions

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Initialize auto variables with cleanup attribute, otherwise we
get a compiler warning with -fexceptions.

    ./configure CFLAGS='-Wmaybe-uninitialized -fexceptions -O2'
This commit is contained in:
Thomas Haller 2016-02-27 13:40:50 +01:00
parent 06fb28b16e
commit 3587161ade
3 changed files with 5 additions and 5 deletions
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6
src/basic/fileio.c
View File

@ -588,7 +588,7 @@ static int parse_env_file_push(
va_list aq, *ap = userdata; va_list aq, *ap = userdata;
if (!utf8_is_valid(key)) { if (!utf8_is_valid(key)) {
_cleanup_free_ char *p; _cleanup_free_ char *p = NULL;
p = utf8_escape_invalid(key); p = utf8_escape_invalid(key);
log_error("%s:%u: invalid UTF-8 in key '%s', ignoring.", strna(filename), line, p); log_error("%s:%u: invalid UTF-8 in key '%s', ignoring.", strna(filename), line, p);
@ -596,7 +596,7 @@ static int parse_env_file_push(
} }
if (value && !utf8_is_valid(value)) { if (value && !utf8_is_valid(value)) {
_cleanup_free_ char *p; _cleanup_free_ char *p = NULL;
p = utf8_escape_invalid(value); p = utf8_escape_invalid(value);
log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, p); log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, p);
@ -1069,7 +1069,7 @@ int fflush_and_check(FILE *f) {
/* This is much like like mkostemp() but is subject to umask(). */ /* This is much like like mkostemp() but is subject to umask(). */
int mkostemp_safe(char *pattern, int flags) { int mkostemp_safe(char *pattern, int flags) {
_cleanup_umask_ mode_t u; _cleanup_umask_ mode_t u = 0;
int fd; int fd;
assert(pattern); assert(pattern);

2
src/libsystemd-network/sd-dhcp-client.c
View File

@ -408,7 +408,7 @@ static void client_stop(sd_dhcp_client *client, int error) {
static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret, static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
uint8_t type, size_t *_optlen, size_t *_optoffset) { uint8_t type, size_t *_optlen, size_t *_optoffset) {
_cleanup_free_ DHCPPacket *packet; _cleanup_free_ DHCPPacket *packet = NULL;
size_t optlen, optoffset, size; size_t optlen, optoffset, size;
be16_t max_size; be16_t max_size;
usec_t time_now; usec_t time_now;

2
src/libsystemd-network/sd-dhcp-lease.c
View File

@ -825,7 +825,7 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) {
r = sd_dhcp_lease_get_client_id(lease, &client_id, &client_id_len); r = sd_dhcp_lease_get_client_id(lease, &client_id, &client_id_len);
if (r >= 0) { if (r >= 0) {
_cleanup_free_ char *client_id_hex; _cleanup_free_ char *client_id_hex = NULL;
client_id_hex = hexmem(client_id, client_id_len); client_id_hex = hexmem(client_id, client_id_len);
if (!client_id_hex) { if (!client_id_hex) {