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Merge pull request #8284 from keszybz/gcc-warning-fixes

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Gcc warning fixes
This commit is contained in:
Lennart Poettering 2018-02-26 21:20:13 +01:00 committed by GitHub
commit 84df74c6f0
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 42 additions and 35 deletions
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4
src/basic/cgroup-util.c
View File

@ -1062,13 +1062,11 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
continue;
*e = 0;
FOREACH_WORD_SEPARATOR(word, k, l, ",", state) {
FOREACH_WORD_SEPARATOR(word, k, l, ",", state)
if (k == cs && memcmp(word, controller_str, cs) == 0) {
found = true;
break;
}
}
if (!found)
continue;
}

22
src/basic/env-util.c
View File

@ -539,8 +539,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
assert(format);
for (e = format, i = 0; *e && i < n; e ++, i ++) {
for (e = format, i = 0; *e && i < n; e ++, i ++)
switch (state) {
case WORD:
@ -554,8 +553,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e-1;
state = VARIABLE;
@ -565,8 +563,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e+1;
state = WORD;
@ -576,8 +573,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e-1;
state = VARIABLE_RAW;
@ -596,8 +592,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e+1;
state = WORD;
@ -653,8 +648,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e+1;
state = WORD;
@ -673,8 +667,7 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
if (!k)
return NULL;
free(r);
r = k;
free_and_replace(r, k);
word = e--;
i--;
@ -682,7 +675,6 @@ char *replace_env_n(const char *format, size_t n, char **env, unsigned flags) {
}
break;
}
}
if (state == VARIABLE_RAW) {
const char *t;

2
src/basic/exec-util.c
View File

@ -65,7 +65,7 @@ static int do_spawn(const char *path, char *argv[], int stdout_fd, pid_t *pid) {
/* If the fd happens to be in the right place, go along with that */
if (stdout_fd != STDOUT_FILENO &&
dup2(stdout_fd, STDOUT_FILENO) < 0)
return -errno;
_exit(EXIT_FAILURE);
(void) fd_cloexec(STDOUT_FILENO, false);
}

28
src/basic/xattr-util.c
View File

@ -107,7 +107,14 @@ int fgetxattr_malloc(int fd, const char *name, char **value) {
}
}
ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute, void *value, size_t size, int flags) {
int fgetxattrat_fake(
int dirfd,
const char *filename,
const char *attribute,
void *value, size_t size,
int flags,
size_t *ret_size) {
char fn[STRLEN("/proc/self/fd/") + DECIMAL_STR_MAX(int) + 1];
_cleanup_close_ int fd = -1;
ssize_t l;
@ -134,7 +141,8 @@ ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute,
if (l < 0)
return -errno;
return l;
*ret_size = l;
return 0;
}
static int parse_crtime(le64_t le, usec_t *usec) {
@ -154,7 +162,7 @@ int fd_getcrtime_at(int dirfd, const char *name, usec_t *ret, int flags) {
struct_statx sx;
usec_t a, b;
le64_t le;
ssize_t n;
size_t n;
int r;
assert(ret);
@ -180,13 +188,13 @@ int fd_getcrtime_at(int dirfd, const char *name, usec_t *ret, int flags) {
else
a = USEC_INFINITY;
n = fgetxattrat_fake(dirfd, name, "user.crtime_usec", &le, sizeof(le), flags);
if (n < 0)
r = -errno;
else if (n != sizeof(le))
r = -EIO;
else
r = parse_crtime(le, &b);
r = fgetxattrat_fake(dirfd, name, "user.crtime_usec", &le, sizeof(le), flags, &n);
if (r >= 0) {
if (n != sizeof(le))
r = -EIO;
else
r = parse_crtime(le, &b);
}
if (r < 0) {
if (a != USEC_INFINITY) {
*ret = a;

8
src/basic/xattr-util.h
View File

@ -29,7 +29,13 @@
int getxattr_malloc(const char *path, const char *name, char **value, bool allow_symlink);
int fgetxattr_malloc(int fd, const char *name, char **value);
ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute, void *value, size_t size, int flags);
int fgetxattrat_fake(
int dirfd,
const char *filename,
const char *attribute,
void *value, size_t size,
int flags,
size_t *ret_size);
int fd_setcrtime(int fd, usec_t usec);

3
src/core/path.c
View File

@ -80,7 +80,8 @@ int path_spec_watch(PathSpec *s, sd_event_io_handler_t handler) {
(void) sd_event_source_set_description(s->event_source, "path");
/* This assumes the path was passed through path_kill_slashes()! */
/* This function assumes the path was passed through path_kill_slashes()! */
assert(!strstr(s->path, "//"));
for (slash = strchr(s->path, '/'); ; slash = strchr(slash+1, '/')) {
char *cut = NULL;

2
src/core/unit.c
View File

@ -1699,7 +1699,7 @@ static void unit_status_log_starting_stopping_reloading(Unit *u, JobType t) {
format = unit_get_status_message_format(u, t);
DISABLE_WARNING_FORMAT_NONLITERAL;
snprintf(buf, sizeof buf, format, unit_description(u));
(void) snprintf(buf, sizeof buf, format, unit_description(u));
REENABLE_WARNING;
mid = t == JOB_START ? "MESSAGE_ID=" SD_MESSAGE_UNIT_STARTING_STR :

8
src/test/test-xattr-util.c
View File

@ -36,8 +36,9 @@ static void test_fgetxattrat_fake(void) {
char t[] = "/var/tmp/xattrtestXXXXXX";
_cleanup_close_ int fd = -1;
const char *x;
char v[3] = {};
char v[3];
int r;
size_t size;
assert_se(mkdtemp(t));
x = strjoina(t, "/test");
@ -51,13 +52,14 @@ static void test_fgetxattrat_fake(void) {
fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
assert_se(fd >= 0);
assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0) >= 0);
assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0, &size) >= 0);
assert_se(size == 3);
assert_se(memcmp(v, "bar", 3) == 0);
safe_close(fd);
fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
assert_se(fd >= 0);
assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0) == -ENODATA);
assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0, &size) == -ENODATA);
cleanup:
assert_se(unlink(x) >= 0);