tree-wide: use IN_SET macro (#6977)

src/basic/calendarspec.c

@@ -421,11 +421,7 @@ static int parse_weekdays(const char **p, CalendarSpec *c) {
 
                         skip = strlen(day_nr[i].name);
 
-                        if ((*p)[skip] != '-' &&
-                            (*p)[skip] != '.' &&
-                            (*p)[skip] != ',' &&
-                            (*p)[skip] != ' ' &&
-                            (*p)[skip] != 0)
+                        if (!IN_SET((*p)[skip], 0, '-', '.', ',', ' '))
                                 return -EINVAL;
 
                         c->weekdays_bits |= 1 << day_nr[i].nr;
@@ -484,7 +480,7 @@ static int parse_weekdays(const char **p, CalendarSpec *c) {
                 }
 
                 /* Allow a trailing comma but not an open range */
-                if (**p == 0 || **p == ' ') {
+                if (IN_SET(**p, 0, ' ')) {
                         *p += strspn(*p, " ");
                         return l < 0 ? 0 : -EINVAL;
                 }
@@ -644,7 +640,7 @@ static int prepend_component(const char **p, bool usec, CalendarComponent **c) {
                         return -ERANGE;
         }
 
-        if (*e != 0 && *e != ' ' && *e != ',' && *e != '-' && *e != '~' && *e != ':')
+        if (!IN_SET(*e, 0, ' ', ',', '-', '~', ':'))
                 return -EINVAL;
 
         cc = new0(CalendarComponent, 1);
@@ -741,7 +737,7 @@ static int parse_date(const char **p, CalendarSpec *c) {
                 return r;
 
         /* Already the end? A ':' as separator? In that case this was a time, not a date */
-        if (*t == 0 || *t == ':') {
+        if (IN_SET(*t, 0, ':')) {
                 free_chain(first);
                 return 0;
         }
@@ -761,7 +757,7 @@ static int parse_date(const char **p, CalendarSpec *c) {
         }
 
         /* Got two parts, hence it's month and day */
-        if (*t == ' ' || *t == 0) {
+        if (IN_SET(*t, 0, ' ')) {
                 *p = t + strspn(t, " ");
                 c->month = first;
                 c->day = second;
@@ -789,7 +785,7 @@ static int parse_date(const char **p, CalendarSpec *c) {
         }
 
         /* Got three parts, hence it is year, month and day */
-        if (*t == ' ' || *t == 0) {
+        if (IN_SET(*t, 0, ' ')) {
                 *p = t + strspn(t, " ");
                 c->year = first;
                 c->month = second;

src/basic/cgroup-util.c

@@ -374,7 +374,7 @@ int cg_kill_recursive(
 
         if (flags & CGROUP_REMOVE) {
                 r = cg_rmdir(controller, path);
-                if (r < 0 && ret >= 0 && r != -ENOENT && r != -EBUSY)
+                if (r < 0 && ret >= 0 && !IN_SET(r, -ENOENT, -EBUSY))
                         return r;
         }
 
@@ -509,7 +509,7 @@ int cg_migrate_recursive(
 
         if (flags & CGROUP_REMOVE) {
                 r = cg_rmdir(cfrom, pfrom);
-                if (r < 0 && ret >= 0 && r != -ENOENT && r != -EBUSY)
+                if (r < 0 && ret >= 0 && !IN_SET(r, -ENOENT, -EBUSY))
                         return r;
         }
 
@@ -1883,9 +1883,7 @@ char *cg_escape(const char *p) {
         /* The return value of this function (unlike cg_unescape())
          * needs free()! */
 
-        if (p[0] == 0 ||
-            p[0] == '_' ||
-            p[0] == '.' ||
+        if (IN_SET(p[0], 0, '_', '.') ||
             streq(p, "notify_on_release") ||
             streq(p, "release_agent") ||
             streq(p, "tasks") ||
@@ -1951,7 +1949,7 @@ bool cg_controller_is_valid(const char *p) {
         if (s)
                 p = s;
 
-        if (*p == 0 || *p == '_')
+        if (IN_SET(*p, 0, '_'))
                 return false;
 
         for (t = p; *t; t++)
@@ -2003,7 +2001,7 @@ int cg_slice_to_path(const char *unit, char **ret) {
                 char n[dash - p + sizeof(".slice")];
 
                 /* Don't allow trailing or double dashes */
-                if (dash[1] == 0 || dash[1] == '-')
+                if (IN_SET(dash[1], 0, '-'))
                         return -EINVAL;
 
                 strcpy(stpncpy(n, p, dash - p), ".slice");

src/basic/env-util.c

@@ -707,7 +707,7 @@ char **replace_env_argv(char **argv, char **env) {
         STRV_FOREACH(i, argv) {
 
                 /* If $FOO appears as single word, replace it by the split up variable */
-                if ((*i)[0] == '$' && (*i)[1] != '{' && (*i)[1] != '$') {
+                if ((*i)[0] == '$' && !IN_SET((*i)[1], '{', '$')) {
                         char *e;
                         char **w, **m = NULL;
                         unsigned q;

src/basic/escape.c

@@ -426,7 +426,7 @@ char *octescape(const char *s, size_t len) {
 
         for (f = s, t = r; f < s + len; f++) {
 
-                if (*f < ' ' || *f >= 127 || *f == '\\' || *f == '"') {
+                if (*f < ' ' || *f >= 127 || IN_SET(*f, '\\', '"')) {
                         *(t++) = '\\';
                         *(t++) = '0' + (*f >> 6);
                         *(t++) = '0' + ((*f >> 3) & 8);

src/basic/extract-word.c

@@ -152,7 +152,7 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
                         for (;; (*p)++, c = **p) {
                                 if (c == 0)
                                         goto finish_force_terminate;
-                                else if ((c == '\'' || c == '"') && (flags & EXTRACT_QUOTES)) {
+                                else if (IN_SET(c, '\'', '"') && (flags & EXTRACT_QUOTES)) {
                                         quote = c;
                                         break;
                                 } else if (c == '\\' && !(flags & EXTRACT_RETAIN_ESCAPE)) {

src/basic/fs-util.c

@@ -324,7 +324,7 @@ int touch_file(const char *path, bool parents, usec_t stamp, uid_t uid, gid_t gi
                 mkdir_parents(path, 0755);
 
         fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY,
-                        (mode == 0 || mode == MODE_INVALID) ? 0644 : mode);
+                  IN_SET(mode, 0, MODE_INVALID) ? 0644 : mode);
         if (fd < 0)
                 return -errno;
 

src/basic/hashmap.c

@@ -508,7 +508,7 @@ static void base_remove_entry(HashmapBase *h, unsigned idx) {
         /* Find the stop bucket ("right"). It is either free or has DIB == 0. */
         for (right = next_idx(h, left); ; right = next_idx(h, right)) {
                 raw_dib = dibs[right];
-                if (raw_dib == 0 || raw_dib == DIB_RAW_FREE)
+                if (IN_SET(raw_dib, 0, DIB_RAW_FREE))
                         break;
 
                 /* The buckets are not supposed to be all occupied and with DIB > 0.

src/basic/hostname-util.c

@@ -90,9 +90,7 @@ static bool hostname_valid_char(char c) {
                 (c >= 'a' && c <= 'z') ||
                 (c >= 'A' && c <= 'Z') ||
                 (c >= '0' && c <= '9') ||
-                c == '-' ||
-                c == '_' ||
-                c == '.';
+                IN_SET(c, '-', '_', '.');
 }
 
 /**
@@ -235,7 +233,7 @@ int read_hostname_config(const char *path, char **hostname) {
         /* may have comments, ignore them */
         FOREACH_LINE(l, f, return -errno) {
                 truncate_nl(l);
-                if (l[0] != '\0' && l[0] != '#') {
+                if (!IN_SET(l[0], '\0', '#')) {
                         /* found line with value */
                         name = hostname_cleanup(l);
                         name = strdup(name);

src/basic/mount-util.c

@@ -472,14 +472,14 @@ int bind_remount_recursive_with_mountinfo(const char *prefix, bool ro, char **bl
                 while ((x = set_steal_first(todo))) {
 
                         r = set_consume(done, x);
-                        if (r == -EEXIST || r == 0)
+                        if (IN_SET(r, 0, -EEXIST))
                                 continue;
                         if (r < 0)
                                 return r;
 
                         /* Deal with mount points that are obstructed by a later mount */
                         r = path_is_mount_point(x, NULL, 0);
-                        if (r == -ENOENT || r == 0)
+                        if (IN_SET(r, 0, -ENOENT))
                                 continue;
                         if (r < 0)
                                 return r;

src/basic/parse-util.c

@@ -152,7 +152,7 @@ int parse_size(const char *t, uint64_t base, uint64_t *size) {
         unsigned n_entries, start_pos = 0;
 
         assert(t);
-        assert(base == 1000 || base == 1024);
+        assert(IN_SET(base, 1000, 1024));
         assert(size);
 
         if (base == 1000) {

src/basic/process-util.c

@@ -392,7 +392,7 @@ int is_kernel_thread(pid_t pid) {
         bool eof;
         FILE *f;
 
-        if (pid == 0 || pid == 1 || pid == getpid_cached()) /* pid 1, and we ourselves certainly aren't a kernel thread */
+        if (IN_SET(pid, 0, 1) || pid == getpid_cached()) /* pid 1, and we ourselves certainly aren't a kernel thread */
                 return 0;
 
         assert(pid > 1);
@@ -817,7 +817,7 @@ bool pid_is_alive(pid_t pid) {
                 return true;
 
         r = get_process_state(pid);
-        if (r == -ESRCH || r == 'Z')
+        if (IN_SET(r, -ESRCH, 'Z'))
                 return false;
 
         return true;

src/basic/rm-rf.c

@@ -132,7 +132,7 @@ int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev) {
 
                                 r = btrfs_subvol_remove_fd(fd, de->d_name, BTRFS_REMOVE_RECURSIVE|BTRFS_REMOVE_QUOTA);
                                 if (r < 0) {
-                                        if (r != -ENOTTY && r != -EINVAL) {
+                                        if (!IN_SET(r, -ENOTTY, -EINVAL)) {
                                                 if (ret == 0)
                                                         ret = r;
 
@@ -193,7 +193,7 @@ int rm_rf(const char *path, RemoveFlags flags) {
                 if (r >= 0)
                         return r;
 
-                if (r != -ENOTTY && r != -EINVAL && r != -ENOTDIR)
+                if (!IN_SET(r, -ENOTTY, -EINVAL, -ENOTDIR))
                         return r;
 
                 /* Not btrfs or not a subvolume */

src/basic/socket-util.c

@@ -892,7 +892,7 @@ bool ifname_valid(const char *p) {
                 if ((unsigned char) *p <= 32U)
                         return false;
 
-                if (*p == ':' || *p == '/')
+                if (IN_SET(*p, ':', '/'))
                         return false;
 
                 numeric = numeric && (*p >= '0' && *p <= '9');

src/basic/string-util.c

@@ -673,7 +673,7 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) {
                 case STATE_BRACKET:
 
                         if (i >= *ibuf + isz || /* EOT */
-                            (!(*i >= '0' && *i <= '9') && *i != ';' && *i != 'm')) {
+                            (!(*i >= '0' && *i <= '9') && !IN_SET(*i, ';', 'm'))) {
                                 fputc_unlocked('\x1B', f);
                                 fputc_unlocked('[', f);
                                 state = STATE_OTHER;

src/basic/time-util.c

@@ -1308,7 +1308,7 @@ bool timezone_is_valid(const char *name) {
                 if (!(*p >= '0' && *p <= '9') &&
                     !(*p >= 'a' && *p <= 'z') &&
                     !(*p >= 'A' && *p <= 'Z') &&
-                    !(*p == '-' || *p == '_' || *p == '+' || *p == '/'))
+                    !IN_SET(*p, '-', '_', '+', '/'))
                         return false;
 
                 if (*p == '/') {

src/basic/unit-name.c

@@ -305,7 +305,7 @@ static char *do_escape(const char *f, char *t) {
         for (; *f; f++) {
                 if (*f == '/')
                         *(t++) = '-';
-                else if (*f == '-' || *f == '\\' || !strchr(VALID_CHARS, *f))
+                else if (IN_SET(*f, '-', '\\') || !strchr(VALID_CHARS, *f))
                         t = do_escape_char(*f, t);
                 else
                         *(t++) = *f;

src/basic/user-util.c

@@ -543,8 +543,7 @@ bool valid_user_group_name(const char *u) {
                 if (!(*i >= 'a' && *i <= 'z') &&
                     !(*i >= 'A' && *i <= 'Z') &&
                     !(*i >= '0' && *i <= '9') &&
-                    *i != '_' &&
-                    *i != '-')
+                    !IN_SET(*i, '_', '-'))
                         return false;
         }
 

src/basic/utf8.c

@@ -73,7 +73,7 @@ static bool unichar_is_control(char32_t ch) {
           '\t' is in C0 range, but more or less harmless and commonly used.
         */
 
-        return (ch < ' ' && ch != '\t' && ch != '\n') ||
+        return (ch < ' ' && !IN_SET(ch, '\t', '\n')) ||
                 (0x7F <= ch && ch <= 0x9F);
 }
 

src/basic/xattr-util.c

@@ -129,7 +129,7 @@ static int parse_crtime(le64_t le, usec_t *usec) {
         assert(usec);
 
         u = le64toh(le);
-        if (u == 0 || u == (uint64_t) -1)
+        if (IN_SET(u, 0, (uint64_t) -1))
                 return -EIO;
 
         *usec = (usec_t) u;

src/basic/xml.c

@@ -208,7 +208,7 @@ int xml_tokenize(const char **p, char **name, void **state, unsigned *line) {
                         if (*c == '=') {
                                 c++;
 
-                                if (*c == '\'' || *c == '\"') {
+                                if (IN_SET(*c, '\'', '\"')) {
                                         /* Tag with a quoted value */
 
                                         e = strchr(c+1, *c);