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-rw-r--r--src/basic/escape.c2
-rw-r--r--src/basic/escape.h9
-rw-r--r--src/core/load-fragment.c14
-rw-r--r--src/core/path.c9
-rw-r--r--src/core/service.c7
-rw-r--r--src/core/swap.c5
-rw-r--r--src/cryptsetup/cryptsetup.c8
-rw-r--r--src/import/pull-common.c23
-rw-r--r--src/libsystemd/sd-login/sd-login.c10
-rw-r--r--src/login/logind-inhibit.c23
-rw-r--r--src/network/networkd-dhcp4.c8
-rw-r--r--src/network/networkd-dhcp6.c8
-rw-r--r--src/network/networkd-lldp-tx.c8
-rw-r--r--src/nspawn/nspawn.c2
-rw-r--r--src/shared/bpf-program.c7
-rw-r--r--src/shared/bus-unit-util.c15
-rw-r--r--src/shared/devnode-acl.c6
-rw-r--r--src/shared/serialize.c7
-rw-r--r--src/shared/udev-util.c13
-rw-r--r--src/tmpfiles/tmpfiles.c30
-rw-r--r--src/xdg-autostart-generator/xdg-autostart-service.c7
21 files changed, 112 insertions, 109 deletions
diff --git a/src/basic/escape.c b/src/basic/escape.c
index 00ab4ab73f..6095ac43b5 100644
--- a/src/basic/escape.c
+++ b/src/basic/escape.c
@@ -288,7 +288,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit,
return r;
}
-int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret) {
+ssize_t cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret) {
_cleanup_free_ char *ans = NULL;
char *t;
const char *f;
diff --git a/src/basic/escape.h b/src/basic/escape.h
index 907b572bd4..98e61789c4 100644
--- a/src/basic/escape.h
+++ b/src/basic/escape.h
@@ -45,14 +45,15 @@ char* cescape(const char *s);
char* cescape_length(const char *s, size_t n);
int cescape_char(char c, char *buf);
-int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret);
-static inline int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret) {
+int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit, bool accept_nul);
+
+ssize_t cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret);
+static inline ssize_t cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret) {
return cunescape_length_with_prefix(s, length, NULL, flags, ret);
}
-static inline int cunescape(const char *s, UnescapeFlags flags, char **ret) {
+static inline ssize_t cunescape(const char *s, UnescapeFlags flags, char **ret) {
return cunescape_length(s, strlen(s), flags, ret);
}
-int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit, bool accept_nul);
typedef enum XEscapeFlags {
XESCAPE_8_BIT = 1 << 0,
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index c72f5c22da..a3ac73f823 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -1010,8 +1010,6 @@ int config_parse_exec_input_text(
_cleanup_free_ char *unescaped = NULL, *resolved = NULL;
ExecContext *c = data;
const Unit *u = userdata;
- size_t sz;
- void *p;
int r;
assert(data);
@@ -1026,9 +1024,9 @@ int config_parse_exec_input_text(
return 0;
}
- r = cunescape(rvalue, 0, &unescaped);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
+ ssize_t l = cunescape(rvalue, 0, &unescaped);
+ if (l < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, l,
"Failed to decode C escaped text '%s', ignoring: %m", rvalue);
return 0;
}
@@ -1040,7 +1038,7 @@ int config_parse_exec_input_text(
return 0;
}
- sz = strlen(resolved);
+ size_t sz = strlen(resolved);
if (c->stdin_data_size + sz + 1 < c->stdin_data_size || /* check for overflow */
c->stdin_data_size + sz + 1 > EXEC_STDIN_DATA_MAX) {
log_syntax(unit, LOG_WARNING, filename, line, 0,
@@ -1049,7 +1047,7 @@ int config_parse_exec_input_text(
return 0;
}
- p = realloc(c->stdin_data, c->stdin_data_size + sz + 1);
+ void *p = realloc(c->stdin_data, c->stdin_data_size + sz + 1);
if (!p)
return log_oom();
@@ -4516,7 +4514,7 @@ int config_parse_set_credential(
}
} else {
char *unescaped = NULL;
- int l;
+ ssize_t l;
/* We support escape codes here, so that users can insert trailing \n if they like */
l = cunescape(p, UNESCAPE_ACCEPT_NUL, &unescaped);
diff --git a/src/core/path.c b/src/core/path.c
index e098e83a31..87930f637f 100644
--- a/src/core/path.c
+++ b/src/core/path.c
@@ -674,13 +674,14 @@ static int path_deserialize_item(Unit *u, const char *key, const char *value, FD
p->result = f;
} else if (streq(key, "path-spec")) {
- int previous_exists, skip = 0, r;
+ int previous_exists, skip = 0;
_cleanup_free_ char *type_str = NULL;
if (sscanf(value, "%ms %i %n", &type_str, &previous_exists, &skip) < 2)
log_unit_debug(u, "Failed to parse path-spec value: %s", value);
else {
_cleanup_free_ char *unescaped = NULL;
+ ssize_t l;
PathType type;
PathSpec *s;
@@ -690,9 +691,9 @@ static int path_deserialize_item(Unit *u, const char *key, const char *value, FD
return 0;
}
- r = cunescape(value+skip, 0, &unescaped);
- if (r < 0) {
- log_unit_warning_errno(u, r, "Failed to unescape serialize path: %m");
+ l = cunescape(value+skip, 0, &unescaped);
+ if (l < 0) {
+ log_unit_warning_errno(u, l, "Failed to unescape serialize path: %m");
return 0;
}
diff --git a/src/core/service.c b/src/core/service.c
index cb0a528f0d..34aac18dd8 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -2890,10 +2890,11 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
log_unit_error_errno(u, r, "Unable to deserialize current bus owner %s: %m", value);
} else if (streq(key, "status-text")) {
char *t;
+ ssize_t l;
- r = cunescape(value, 0, &t);
- if (r < 0)
- log_unit_debug_errno(u, r, "Failed to unescape status text '%s': %m", value);
+ l = cunescape(value, 0, &t);
+ if (l < 0)
+ log_unit_debug_errno(u, l, "Failed to unescape status text '%s': %m", value);
else
free_and_replace(s->status_text, t);
diff --git a/src/core/swap.c b/src/core/swap.c
index 3843b19500..fabee3c1f3 100644
--- a/src/core/swap.c
+++ b/src/core/swap.c
@@ -1202,8 +1202,9 @@ static int swap_load_proc_swaps(Manager *m, bool set_flags) {
continue;
}
- if (cunescape(dev, UNESCAPE_RELAX, &d) < 0)
- return log_oom();
+ ssize_t l = cunescape(dev, UNESCAPE_RELAX, &d);
+ if (l < 0)
+ return log_error_errno(l, "Failed to unescape device path: %m");
device_found_node(m, d, DEVICE_FOUND_SWAP, DEVICE_FOUND_SWAP);
diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index 0fa41b8360..8243ea108f 100644
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -453,7 +453,6 @@ static char* disk_description(const char *path) {
_cleanup_(sd_device_unrefp) sd_device *device = NULL;
const char *i, *name;
struct stat st;
- int r;
assert(path);
@@ -468,14 +467,15 @@ static char* disk_description(const char *path) {
if (sd_device_get_property_value(device, "ID_PART_ENTRY_NAME", &name) >= 0) {
_cleanup_free_ char *unescaped = NULL;
+ ssize_t l;
/* ID_PART_ENTRY_NAME uses \x style escaping, using libblkid's blkid_encode_string(). Let's
* reverse this here to make the string more human friendly in case people embed spaces or
* other weird stuff. */
- r = cunescape(name, UNESCAPE_RELAX, &unescaped);
- if (r < 0) {
- log_debug_errno(r, "Failed to unescape ID_PART_ENTRY_NAME, skipping device: %m");
+ l = cunescape(name, UNESCAPE_RELAX, &unescaped);
+ if (l < 0) {
+ log_debug_errno(l, "Failed to unescape ID_PART_ENTRY_NAME, skipping device: %m");
return NULL;
}
diff --git a/src/import/pull-common.c b/src/import/pull-common.c
index 75c5c7493e..cb77454e0f 100644
--- a/src/import/pull-common.c
+++ b/src/import/pull-common.c
@@ -34,10 +34,6 @@ int pull_find_old_etags(
const char *suffix,
char ***etags) {
- _cleanup_free_ char *escaped_url = NULL;
- _cleanup_closedir_ DIR *d = NULL;
- _cleanup_strv_free_ char **l = NULL;
- struct dirent *de;
int r;
assert(url);
@@ -46,11 +42,11 @@ int pull_find_old_etags(
if (!image_root)
image_root = "/var/lib/machines";
- escaped_url = xescape(url, FILENAME_ESCAPE);
+ _cleanup_free_ char *escaped_url = xescape(url, FILENAME_ESCAPE);
if (!escaped_url)
return -ENOMEM;
- d = opendir(image_root);
+ _cleanup_closedir_ DIR *d = opendir(image_root);
if (!d) {
if (errno == ENOENT) {
*etags = NULL;
@@ -60,6 +56,9 @@ int pull_find_old_etags(
return -errno;
}
+ _cleanup_strv_free_ char **ans = NULL;
+ struct dirent *de;
+
FOREACH_DIRENT_ALL(de, d, return -errno) {
_cleanup_free_ char *u = NULL;
const char *a, *b;
@@ -93,19 +92,21 @@ int pull_find_old_etags(
if (a >= b)
continue;
- r = cunescape_length(a, b - a, 0, &u);
- if (r < 0)
- return r;
+ ssize_t l = cunescape_length(a, b - a, 0, &u);
+ if (l < 0) {
+ assert(l >= INT8_MIN);
+ return l;
+ }
if (!http_etag_is_valid(u))
continue;
- r = strv_consume(&l, TAKE_PTR(u));
+ r = strv_consume(&ans, TAKE_PTR(u));
if (r < 0)
return r;
}
- *etags = TAKE_PTR(l);
+ *etags = TAKE_PTR(ans);
return 0;
}
diff --git a/src/libsystemd/sd-login/sd-login.c b/src/libsystemd/sd-login/sd-login.c
index f6fff204f6..3adf1cef5c 100644
--- a/src/libsystemd/sd-login/sd-login.c
+++ b/src/libsystemd/sd-login/sd-login.c
@@ -585,8 +585,8 @@ _public_ int sd_session_get_class(const char *session, char **class) {
_public_ int sd_session_get_desktop(const char *session, char **desktop) {
_cleanup_free_ char *escaped = NULL;
- char *t;
int r;
+ ssize_t l;
assert_return(desktop, -EINVAL);
@@ -594,11 +594,9 @@ _public_ int sd_session_get_desktop(const char *session, char **desktop) {
if (r < 0)
return r;
- r = cunescape(escaped, 0, &t);
- if (r < 0)
- return r;
-
- *desktop = t;
+ l = cunescape(escaped, 0, desktop);
+ if (l < 0)
+ return l;
return 0;
}
diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c
index 57198ce652..f8048f6d23 100644
--- a/src/login/logind-inhibit.c
+++ b/src/login/logind-inhibit.c
@@ -209,18 +209,11 @@ void inhibitor_stop(Inhibitor *i) {
}
int inhibitor_load(Inhibitor *i) {
-
- _cleanup_free_ char
- *what = NULL,
- *uid = NULL,
- *pid = NULL,
- *who = NULL,
- *why = NULL,
- *mode = NULL;
-
+ _cleanup_free_ char *what = NULL, *uid = NULL, *pid = NULL, *who = NULL, *why = NULL, *mode = NULL;
InhibitWhat w;
InhibitMode mm;
char *cc;
+ ssize_t l;
int r;
r = parse_env_file(NULL, i->state_file,
@@ -255,17 +248,17 @@ int inhibitor_load(Inhibitor *i) {
}
if (who) {
- r = cunescape(who, 0, &cc);
- if (r < 0)
- return log_oom();
+ l = cunescape(who, 0, &cc);
+ if (l < 0)
+ return log_debug_errno(l, "Failed to unescape \"who\" of inhibitor: %m");
free_and_replace(i->who, cc);
}
if (why) {
- r = cunescape(why, 0, &cc);
- if (r < 0)
- return log_oom();
+ l = cunescape(why, 0, &cc);
+ if (l < 0)
+ return log_debug_errno(l, "Failed to unescape \"why\" of inhibitor: %m");
free_and_replace(i->why, cc);
}
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index f80adcdbcf..1ba21fc9de 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -1735,7 +1735,7 @@ int config_parse_dhcp_mud_url(
_cleanup_free_ char *unescaped = NULL;
Network *network = data;
- int r;
+ ssize_t l;
assert(filename);
assert(lvalue);
@@ -1746,9 +1746,9 @@ int config_parse_dhcp_mud_url(
return 0;
}
- r = cunescape(rvalue, 0, &unescaped);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
+ l = cunescape(rvalue, 0, &unescaped);
+ if (l < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, l,
"Failed to Failed to unescape MUD URL, ignoring: %s", rvalue);
return 0;
}
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c
index 2b72b618fc..4506932a58 100644
--- a/src/network/networkd-dhcp6.c
+++ b/src/network/networkd-dhcp6.c
@@ -1814,7 +1814,7 @@ int config_parse_dhcp6_mud_url(
_cleanup_free_ char *unescaped = NULL;
Network *network = data;
- int r;
+ ssize_t l;
assert(filename);
assert(lvalue);
@@ -1825,9 +1825,9 @@ int config_parse_dhcp6_mud_url(
return 0;
}
- r = cunescape(rvalue, 0, &unescaped);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
+ l = cunescape(rvalue, 0, &unescaped);
+ if (l < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, l,
"Failed to Failed to unescape MUD URL, ignoring: %s", rvalue);
return 0;
}
diff --git a/src/network/networkd-lldp-tx.c b/src/network/networkd-lldp-tx.c
index 45a087b301..c2d269156e 100644
--- a/src/network/networkd-lldp-tx.c
+++ b/src/network/networkd-lldp-tx.c
@@ -430,15 +430,15 @@ int config_parse_lldp_mud(
_cleanup_free_ char *unescaped = NULL;
Network *n = data;
- int r;
+ ssize_t l;
assert(filename);
assert(lvalue);
assert(rvalue);
- r = cunescape(rvalue, 0, &unescaped);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
+ l = cunescape(rvalue, 0, &unescaped);
+ if (l < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, l,
"Failed to Failed to unescape LLDP MUD URL, ignoring: %s", rvalue);
return 0;
}
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 04685fecba..aea4eb7b0b 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1565,7 +1565,7 @@ static int parse_argv(int argc, char *argv[]) {
const char *p = optarg;
Credential *a;
size_t i;
- int l;
+ ssize_t l;
r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
if (r == -ENOMEM)
diff --git a/src/shared/bpf-program.c b/src/shared/bpf-program.c
index 0f865a7168..4575bb4e2f 100644
--- a/src/shared/bpf-program.c
+++ b/src/shared/bpf-program.c
@@ -426,6 +426,7 @@ int bpf_program_deserialize_attachment(const char *v, FDSet *fds, BPFProgram **b
_cleanup_free_ char *sfd = NULL, *sat = NULL, *unescaped = NULL;
_cleanup_(bpf_program_unrefp) BPFProgram *p = NULL;
_cleanup_close_ int fd = -1;
+ ssize_t l;
int ifd, at, r;
assert(v);
@@ -456,9 +457,9 @@ int bpf_program_deserialize_attachment(const char *v, FDSet *fds, BPFProgram **b
return at;
/* The rest is the path */
- r = cunescape(v, 0, &unescaped);
- if (r < 0)
- return r;
+ l = cunescape(v, 0, &unescaped);
+ if (l < 0)
+ return l;
fd = fdset_remove(fds, ifd);
if (fd < 0)
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index a97ffbcea4..1ff1e7600d 100644
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -1096,7 +1096,7 @@ static int bus_append_execute_property(sd_bus_message *m, const char *field, con
r = sd_bus_message_append_array(m, 'y', decoded, decoded_size);
} else {
_cleanup_free_ char *unescaped = NULL;
- int l;
+ ssize_t l;
l = cunescape(p, UNESCAPE_ACCEPT_NUL, &unescaped);
if (l < 0)
@@ -1233,18 +1233,19 @@ static int bus_append_execute_property(sd_bus_message *m, const char *field, con
if (streq(field, "StandardInputText")) {
_cleanup_free_ char *unescaped = NULL;
+ ssize_t l;
- r = cunescape(eq, 0, &unescaped);
- if (r < 0)
- return log_error_errno(r, "Failed to unescape text '%s': %m", eq);
+ l = cunescape(eq, 0, &unescaped);
+ if (l < 0)
+ return log_error_errno(l, "Failed to unescape text '%s': %m", eq);
if (!strextend(&unescaped, "\n"))
return log_oom();
- /* Note that we don't expand specifiers here, but that should be OK, as this is a programmatic
- * interface anyway */
+ /* Note that we don't expand specifiers here, but that should be OK, as this is a
+ * programmatic interface anyway */
- return bus_append_byte_array(m, field, unescaped, strlen(unescaped));
+ return bus_append_byte_array(m, field, unescaped, l + 1);
}
if (streq(field, "StandardInputData")) {
diff --git a/src/shared/devnode-acl.c b/src/shared/devnode-acl.c
index 07e29e1019..9ea89ee920 100644
--- a/src/shared/devnode-acl.c
+++ b/src/shared/devnode-acl.c
@@ -220,9 +220,11 @@ int devnode_acl_all(const char *seat,
if (dir) {
FOREACH_DIRENT(dent, dir, return -errno) {
_cleanup_free_ char *unescaped_devname = NULL;
+ ssize_t l;
- if (cunescape(dent->d_name, UNESCAPE_RELAX, &unescaped_devname) < 0)
- return -ENOMEM;
+ l = cunescape(dent->d_name, UNESCAPE_RELAX, &unescaped_devname);
+ if (l < 0)
+ return l;
n = path_join("/dev", unescaped_devname);
if (!n)
diff --git a/src/shared/serialize.c b/src/shared/serialize.c
index 23aac3ef52..47996b9ead 100644
--- a/src/shared/serialize.c
+++ b/src/shared/serialize.c
@@ -176,6 +176,7 @@ int deserialize_dual_timestamp(const char *value, dual_timestamp *t) {
int deserialize_environment(const char *value, char ***list) {
_cleanup_free_ char *unescaped = NULL;
+ ssize_t l;
int r;
assert(value);
@@ -183,9 +184,9 @@ int deserialize_environment(const char *value, char ***list) {
/* Changes the *environment strv inline. */
- r = cunescape(value, 0, &unescaped);
- if (r < 0)
- return log_error_errno(r, "Failed to unescape: %m");
+ l = cunescape(value, 0, &unescaped);
+ if (l < 0)
+ return log_error_errno(l, "Failed to unescape: %m");
r = strv_env_replace_consume(list, TAKE_PTR(unescaped));
if (r < 0)
diff --git a/src/shared/udev-util.c b/src/shared/udev-util.c
index f934fc157e..27dfd11a6a 100644
--- a/src/shared/udev-util.c
+++ b/src/shared/udev-util.c
@@ -351,7 +351,6 @@ void log_device_uevent(sd_device *device, const char *str) {
int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos) {
char *i, *j;
- int r;
bool is_escaped;
/* value must be double quotated */
@@ -373,6 +372,7 @@ int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos) {
j[0] = '\0';
} else {
_cleanup_free_ char *unescaped = NULL;
+ ssize_t l;
/* find the end position of value */
for (i = str; *i != '"'; i++) {
@@ -383,11 +383,12 @@ int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos) {
}
i[0] = '\0';
- r = cunescape_length(str, i - str, 0, &unescaped);
- if (r < 0)
- return r;
- assert(r <= i - str);
- memcpy(str, unescaped, r + 1);
+ l = cunescape_length(str, i - str, 0, &unescaped);
+ if (l < 0)
+ return l;
+
+ assert(l <= i - str);
+ memcpy(str, unescaped, l + 1);
}
*ret_value = str;
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index b32b709ef5..b89555d8e0 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -2775,8 +2775,6 @@ static bool should_include_path(const char *path) {
}
static int specifier_expansion_from_arg(Item *i) {
- _cleanup_free_ char *unescaped = NULL, *resolved = NULL;
- char **xattr;
int r;
assert(i);
@@ -2789,33 +2787,37 @@ static int specifier_expansion_from_arg(Item *i) {
case CREATE_SYMLINK:
case CREATE_FILE:
case TRUNCATE_FILE:
- case WRITE_FILE:
- r = cunescape(i->argument, 0, &unescaped);
- if (r < 0)
- return log_error_errno(r, "Failed to unescape parameter to write: %s", i->argument);
+ case WRITE_FILE: {
+ _cleanup_free_ char *unescaped = NULL, *resolved = NULL;
+ ssize_t l;
+
+ l = cunescape(i->argument, 0, &unescaped);
+ if (l < 0)
+ return log_error_errno(l, "Failed to unescape parameter to write: %s", i->argument);
r = specifier_printf(unescaped, PATH_MAX-1, specifier_table, arg_root, NULL, &resolved);
if (r < 0)
return r;
- free_and_replace(i->argument, resolved);
- break;
-
+ return free_and_replace(i->argument, resolved);
+ }
case SET_XATTR:
- case RECURSIVE_SET_XATTR:
+ case RECURSIVE_SET_XATTR: {
+ char **xattr;
STRV_FOREACH(xattr, i->xattrs) {
+ _cleanup_free_ char *resolved = NULL;
+
r = specifier_printf(*xattr, SIZE_MAX, specifier_table, arg_root, NULL, &resolved);
if (r < 0)
return r;
free_and_replace(*xattr, resolved);
}
- break;
-
+ return 0;
+ }
default:
- break;
+ return 0;
}
- return 0;
}
static int patch_var_run(const char *fname, unsigned line, char **path) {
diff --git a/src/xdg-autostart-generator/xdg-autostart-service.c b/src/xdg-autostart-generator/xdg-autostart-service.c
index fe73bfe9db..d6e90302fd 100644
--- a/src/xdg-autostart-generator/xdg-autostart-service.c
+++ b/src/xdg-autostart-generator/xdg-autostart-service.c
@@ -397,10 +397,11 @@ int xdg_autostart_format_exec_start(
first_arg = true;
for (i = n = 0; exec_split[i]; i++) {
_cleanup_free_ char *c = NULL, *raw = NULL, *p = NULL, *escaped = NULL, *quoted = NULL;
+ ssize_t l;
- r = cunescape(exec_split[i], 0, &c);
- if (r < 0)
- return log_debug_errno(r, "Failed to unescape '%s': %m", exec_split[i]);
+ l = cunescape(exec_split[i], 0, &c);
+ if (l < 0)
+ return log_debug_errno(l, "Failed to unescape '%s': %m", exec_split[i]);
if (first_arg) {
_cleanup_free_ char *executable = NULL;
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