core/{execute, manager}: reduce scope of iterator variables a bit
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
0b3861d224
commit
5b10116e49
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@ -101,8 +101,6 @@
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#define SNDBUF_SIZE (8*1024*1024)
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static int shift_fds(int fds[], size_t n_fds) {
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int start, restart_from;
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if (n_fds <= 0)
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return 0;
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@ -110,13 +108,10 @@ static int shift_fds(int fds[], size_t n_fds) {
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assert(fds);
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start = 0;
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for (;;) {
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int i;
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for (int start = 0;;) {
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int restart_from = -1;
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restart_from = -1;
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for (i = start; i < (int) n_fds; i++) {
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for (int i = start; i < (int) n_fds; i++) {
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int nfd;
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/* Already at right index? */
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@ -146,7 +141,7 @@ static int shift_fds(int fds[], size_t n_fds) {
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}
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static int flags_fds(const int fds[], size_t n_socket_fds, size_t n_storage_fds, bool nonblock) {
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size_t i, n_fds;
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size_t n_fds;
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int r;
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n_fds = n_socket_fds + n_storage_fds;
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@ -158,7 +153,7 @@ static int flags_fds(const int fds[], size_t n_socket_fds, size_t n_storage_fds,
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/* Drops/Sets O_NONBLOCK and FD_CLOEXEC from the file flags.
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* O_NONBLOCK only applies to socket activation though. */
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for (i = 0; i < n_fds; i++) {
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for (size_t i = 0; i < n_fds; i++) {
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if (i < n_socket_fds) {
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r = fd_nonblock(fds[i], nonblock);
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@ -1745,7 +1740,6 @@ static int build_environment(
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char ***ret) {
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_cleanup_strv_free_ char **our_env = NULL;
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ExecDirectoryType t;
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size_t n_env = 0;
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char *x;
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@ -1873,7 +1867,7 @@ static int build_environment(
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our_env[n_env++] = x;
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}
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for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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_cleanup_free_ char *pre = NULL, *joined = NULL;
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const char *n;
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@ -1991,12 +1985,10 @@ static bool exec_needs_mount_namespace(
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return true;
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if (context->root_directory) {
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ExecDirectoryType t;
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if (context->mount_apivfs)
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return true;
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for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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if (!params->prefix[t])
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continue;
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@ -2880,8 +2872,7 @@ static int compile_bind_mounts(
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_cleanup_strv_free_ char **empty_directories = NULL;
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BindMount *bind_mounts;
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size_t n, h = 0, i;
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ExecDirectoryType t;
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size_t n, h = 0;
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int r;
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assert(context);
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@ -2891,7 +2882,7 @@ static int compile_bind_mounts(
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assert(ret_empty_directories);
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n = context->n_bind_mounts;
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for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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if (!params->prefix[t])
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continue;
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@ -2909,7 +2900,7 @@ static int compile_bind_mounts(
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if (!bind_mounts)
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return -ENOMEM;
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for (i = 0; i < context->n_bind_mounts; i++) {
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for (size_t i = 0; i < context->n_bind_mounts; i++) {
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BindMount *item = context->bind_mounts + i;
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char *s, *d;
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@ -2935,7 +2926,7 @@ static int compile_bind_mounts(
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};
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}
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for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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char **suffix;
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if (!params->prefix[t])
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@ -3020,8 +3011,6 @@ static bool insist_on_sandboxing(
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const BindMount *bind_mounts,
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size_t n_bind_mounts) {
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size_t i;
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assert(context);
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assert(n_bind_mounts == 0 || bind_mounts);
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@ -3043,7 +3032,7 @@ static bool insist_on_sandboxing(
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/* If there are any bind mounts set that don't map back onto themselves, fs namespacing becomes
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* essential. */
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for (i = 0; i < n_bind_mounts; i++)
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for (size_t i = 0; i < n_bind_mounts; i++)
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if (!path_equal(bind_mounts[i].source, bind_mounts[i].destination))
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return true;
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@ -3236,13 +3225,12 @@ static int apply_root_directory(
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assert(context);
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assert(exit_status);
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if (params->flags & EXEC_APPLY_CHROOT) {
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if (params->flags & EXEC_APPLY_CHROOT)
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if (!needs_mount_ns && context->root_directory)
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if (chroot(context->root_directory) < 0) {
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*exit_status = EXIT_CHROOT;
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return -errno;
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}
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}
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return 0;
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}
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@ -3467,7 +3455,6 @@ static int acquire_home(const ExecContext *c, uid_t uid, const char** home, char
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static int compile_suggested_paths(const ExecContext *c, const ExecParameters *p, char ***ret) {
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_cleanup_strv_free_ char ** list = NULL;
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ExecDirectoryType t;
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int r;
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assert(c);
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@ -3480,7 +3467,7 @@ static int compile_suggested_paths(const ExecContext *c, const ExecParameters *p
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* dynamic UID allocation, in order to save us from doing costly recursive chown()s of the special
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* directories. */
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for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
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char **i;
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if (t == EXEC_DIRECTORY_CONFIGURATION)
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@ -3615,7 +3602,6 @@ static int exec_child(
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uid_t uid = UID_INVALID;
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gid_t gid = GID_INVALID;
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size_t n_fds;
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ExecDirectoryType dt;
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int secure_bits;
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_cleanup_free_ gid_t *gids_after_pam = NULL;
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int ngids_after_pam = 0;
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@ -3954,7 +3940,7 @@ static int exec_child(
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}
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}
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for (dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) {
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for (ExecDirectoryType dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) {
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r = setup_exec_directory(context, params, uid, gid, dt, exit_status);
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if (r < 0)
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return log_unit_error_errno(unit, r, "Failed to set up special execution directory in %s: %m", params->prefix[dt]);
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@ -4674,8 +4660,6 @@ int exec_spawn(Unit *unit,
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}
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void exec_context_init(ExecContext *c) {
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ExecDirectoryType i;
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assert(c);
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c->umask = 0022;
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@ -4686,8 +4670,8 @@ void exec_context_init(ExecContext *c) {
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c->ignore_sigpipe = true;
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c->timer_slack_nsec = NSEC_INFINITY;
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c->personality = PERSONALITY_INVALID;
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for (i = 0; i < _EXEC_DIRECTORY_TYPE_MAX; i++)
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c->directories[i].mode = 0755;
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++)
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c->directories[t].mode = 0755;
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c->timeout_clean_usec = USEC_INFINITY;
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c->capability_bounding_set = CAP_ALL;
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assert_cc(NAMESPACE_FLAGS_INITIAL != NAMESPACE_FLAGS_ALL);
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@ -4697,9 +4681,6 @@ void exec_context_init(ExecContext *c) {
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}
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void exec_context_done(ExecContext *c) {
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ExecDirectoryType i;
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size_t l;
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assert(c);
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c->environment = strv_free(c->environment);
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@ -4709,7 +4690,7 @@ void exec_context_done(ExecContext *c) {
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rlimit_free_all(c->rlimit);
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for (l = 0; l < 3; l++) {
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for (size_t l = 0; l < 3; l++) {
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c->stdio_fdname[l] = mfree(c->stdio_fdname[l]);
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c->stdio_file[l] = mfree(c->stdio_file[l]);
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}
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@ -4758,8 +4739,8 @@ void exec_context_done(ExecContext *c) {
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c->syscall_archs = set_free(c->syscall_archs);
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c->address_families = set_free(c->address_families);
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for (i = 0; i < _EXEC_DIRECTORY_TYPE_MAX; i++)
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c->directories[i].paths = strv_free(c->directories[i].paths);
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for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++)
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c->directories[t].paths = strv_free(c->directories[t].paths);
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c->log_level_max = -1;
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@ -4852,23 +4833,17 @@ ExecCommand* exec_command_free_list(ExecCommand *c) {
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}
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void exec_command_free_array(ExecCommand **c, size_t n) {
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size_t i;
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for (i = 0; i < n; i++)
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for (size_t i = 0; i < n; i++)
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c[i] = exec_command_free_list(c[i]);
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}
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void exec_command_reset_status_array(ExecCommand *c, size_t n) {
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size_t i;
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for (i = 0; i < n; i++)
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for (size_t i = 0; i < n; i++)
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exec_status_reset(&c[i].exec_status);
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}
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void exec_command_reset_status_list_array(ExecCommand **c, size_t n) {
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size_t i;
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for (i = 0; i < n; i++) {
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for (size_t i = 0; i < n; i++) {
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ExecCommand *z;
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LIST_FOREACH(command, z, c[i])
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@ -4920,7 +4895,7 @@ static int exec_context_named_iofds(
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const ExecParameters *p,
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int named_iofds[static 3]) {
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size_t i, targets;
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size_t targets;
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const char* stdio_fdname[3];
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size_t n_fds;
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@ -4932,12 +4907,12 @@ static int exec_context_named_iofds(
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(c->std_output == EXEC_OUTPUT_NAMED_FD) +
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(c->std_error == EXEC_OUTPUT_NAMED_FD);
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for (i = 0; i < 3; i++)
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for (size_t i = 0; i < 3; i++)
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stdio_fdname[i] = exec_context_fdname(c, i);
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n_fds = p->n_storage_fds + p->n_socket_fds;
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for (i = 0; i < n_fds && targets > 0; i++)
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for (size_t i = 0; i < n_fds && targets > 0; i++)
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if (named_iofds[STDIN_FILENO] < 0 &&
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c->std_input == EXEC_INPUT_NAMED_FD &&
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stdio_fdname[STDIN_FILENO] &&
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@ -4975,7 +4950,6 @@ static int exec_context_load_environment(const Unit *unit, const ExecContext *c,
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STRV_FOREACH(i, c->environment_files) {
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char *fn;
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int k;
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unsigned n;
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bool ignore = false;
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char **p;
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_cleanup_globfree_ glob_t pglob = {};
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@ -5008,7 +4982,7 @@ static int exec_context_load_environment(const Unit *unit, const ExecContext *c,
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/* When we don't match anything, -ENOENT should be returned */
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assert(pglob.gl_pathc > 0);
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for (n = 0; n < pglob.gl_pathc; n++) {
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for (unsigned n = 0; n < pglob.gl_pathc; n++) {
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k = load_env_file(NULL, pglob.gl_pathv[n], &p);
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if (k < 0) {
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if (ignore)
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@ -5095,8 +5069,6 @@ static void strv_fprintf(FILE *f, char **l) {
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void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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char **e, **d, buf_clean[FORMAT_TIMESPAN_MAX];
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ExecDirectoryType dt;
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unsigned i;
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int r;
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assert(c);
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@ -5207,7 +5179,7 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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fprintf(f, "%sRuntimeDirectoryPreserve: %s\n", prefix, exec_preserve_mode_to_string(c->runtime_directory_preserve_mode));
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for (dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) {
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for (ExecDirectoryType dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) {
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fprintf(f, "%s%sMode: %04o\n", prefix, exec_directory_type_to_string(dt), c->directories[dt].mode);
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STRV_FOREACH(d, c->directories[dt].paths)
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@ -5233,7 +5205,7 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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"%sCoredumpFilter: 0x%"PRIx64"\n",
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prefix, c->coredump_filter);
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for (i = 0; i < RLIM_NLIMITS; i++)
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for (unsigned i = 0; i < RLIM_NLIMITS; i++)
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if (c->rlimit[i]) {
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fprintf(f, "%sLimit%s: " RLIM_FMT "\n",
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prefix, rlimit_to_string(i), c->rlimit[i]->rlim_max);
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@ -5361,16 +5333,12 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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if (c->log_ratelimit_burst > 0)
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fprintf(f, "%sLogRateLimitBurst: %u\n", prefix, c->log_ratelimit_burst);
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if (c->n_log_extra_fields > 0) {
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size_t j;
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for (j = 0; j < c->n_log_extra_fields; j++) {
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fprintf(f, "%sLogExtraFields: ", prefix);
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fwrite(c->log_extra_fields[j].iov_base,
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1, c->log_extra_fields[j].iov_len,
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f);
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fputc('\n', f);
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}
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for (size_t j = 0; j < c->n_log_extra_fields; j++) {
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fprintf(f, "%sLogExtraFields: ", prefix);
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fwrite(c->log_extra_fields[j].iov_base,
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1, c->log_extra_fields[j].iov_len,
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f);
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fputc('\n', f);
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}
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if (c->log_namespace)
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@ -5434,24 +5402,22 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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fputs("\n", f);
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}
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if (c->n_bind_mounts > 0)
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for (i = 0; i < c->n_bind_mounts; i++)
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fprintf(f, "%s%s: %s%s:%s:%s\n", prefix,
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c->bind_mounts[i].read_only ? "BindReadOnlyPaths" : "BindPaths",
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c->bind_mounts[i].ignore_enoent ? "-": "",
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c->bind_mounts[i].source,
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c->bind_mounts[i].destination,
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c->bind_mounts[i].recursive ? "rbind" : "norbind");
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for (size_t i = 0; i < c->n_bind_mounts; i++)
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fprintf(f, "%s%s: %s%s:%s:%s\n", prefix,
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c->bind_mounts[i].read_only ? "BindReadOnlyPaths" : "BindPaths",
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c->bind_mounts[i].ignore_enoent ? "-": "",
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c->bind_mounts[i].source,
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c->bind_mounts[i].destination,
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c->bind_mounts[i].recursive ? "rbind" : "norbind");
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if (c->n_temporary_filesystems > 0)
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for (i = 0; i < c->n_temporary_filesystems; i++) {
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TemporaryFileSystem *t = c->temporary_filesystems + i;
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for (size_t i = 0; i < c->n_temporary_filesystems; i++) {
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const TemporaryFileSystem *t = c->temporary_filesystems + i;
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fprintf(f, "%sTemporaryFileSystem: %s%s%s\n", prefix,
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t->path,
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isempty(t->options) ? "" : ":",
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strempty(t->options));
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}
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fprintf(f, "%sTemporaryFileSystem: %s%s%s\n", prefix,
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t->path,
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isempty(t->options) ? "" : ":",
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strempty(t->options));
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}
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if (c->utmp_id)
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fprintf(f,
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@ -5566,7 +5532,7 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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fprintf(f, "%d\n", c->syscall_errno);
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}
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for (i = 0; i < c->n_mount_images; i++) {
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for (size_t i = 0; i < c->n_mount_images; i++) {
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MountOptions *o;
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fprintf(f, "%sMountImages: %s%s:%s%s", prefix,
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@ -5613,11 +5579,9 @@ int exec_context_get_effective_ioprio(const ExecContext *c) {
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}
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void exec_context_free_log_extra_fields(ExecContext *c) {
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size_t l;
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assert(c);
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||||
|
||||
for (l = 0; l < c->n_log_extra_fields; l++)
|
||||
for (size_t l = 0; l < c->n_log_extra_fields; l++)
|
||||
free(c->log_extra_fields[l].iov_base);
|
||||
c->log_extra_fields = mfree(c->log_extra_fields);
|
||||
c->n_log_extra_fields = 0;
|
||||
|
|
@ -5654,14 +5618,13 @@ int exec_context_get_clean_directories(
|
|||
char ***ret) {
|
||||
|
||||
_cleanup_strv_free_ char **l = NULL;
|
||||
ExecDirectoryType t;
|
||||
int r;
|
||||
|
||||
assert(c);
|
||||
assert(prefix);
|
||||
assert(ret);
|
||||
|
||||
for (t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
|
||||
for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) {
|
||||
char **i;
|
||||
|
||||
if (!FLAGS_SET(mask, 1U << t))
|
||||
|
|
|
|||
|
|
@ -1883,7 +1883,6 @@ Unit *manager_get_unit(Manager *m, const char *name) {
|
|||
|
||||
static int manager_dispatch_target_deps_queue(Manager *m) {
|
||||
Unit *u;
|
||||
unsigned k;
|
||||
int r = 0;
|
||||
|
||||
static const UnitDependency deps[] = {
|
||||
|
|
@ -1901,7 +1900,7 @@ static int manager_dispatch_target_deps_queue(Manager *m) {
|
|||
LIST_REMOVE(target_deps_queue, u->manager->target_deps_queue, u);
|
||||
u->in_target_deps_queue = false;
|
||||
|
||||
for (k = 0; k < ELEMENTSOF(deps); k++) {
|
||||
for (size_t k = 0; k < ELEMENTSOF(deps); k++) {
|
||||
Unit *target;
|
||||
Iterator i;
|
||||
void *v;
|
||||
|
|
@ -2123,12 +2122,10 @@ void manager_dump_units(Manager *s, FILE *f, const char *prefix) {
|
|||
}
|
||||
|
||||
void manager_dump(Manager *m, FILE *f, const char *prefix) {
|
||||
ManagerTimestamp q;
|
||||
|
||||
assert(m);
|
||||
assert(f);
|
||||
|
||||
for (q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
|
||||
for (ManagerTimestamp q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
|
||||
const dual_timestamp *t = m->timestamps + q;
|
||||
char buf[CONST_MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
|
||||
|
||||
|
|
@ -3228,7 +3225,6 @@ int manager_serialize(
|
|||
FDSet *fds,
|
||||
bool switching_root) {
|
||||
|
||||
ManagerTimestamp q;
|
||||
const char *t;
|
||||
Iterator i;
|
||||
Unit *u;
|
||||
|
|
@ -3264,7 +3260,7 @@ int manager_serialize(
|
|||
(void) serialize_usec(f, "reboot-watchdog-overridden", m->watchdog_overridden[WATCHDOG_REBOOT]);
|
||||
(void) serialize_usec(f, "kexec-watchdog-overridden", m->watchdog_overridden[WATCHDOG_KEXEC]);
|
||||
|
||||
for (q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
|
||||
for (ManagerTimestamp q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
|
||||
_cleanup_free_ char *joined = NULL;
|
||||
|
||||
if (!manager_timestamp_shall_serialize(q))
|
||||
|
|
@ -4193,11 +4189,9 @@ int manager_get_effective_environment(Manager *m, char ***ret) {
|
|||
}
|
||||
|
||||
int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) {
|
||||
int i;
|
||||
|
||||
assert(m);
|
||||
|
||||
for (i = 0; i < _RLIMIT_MAX; i++) {
|
||||
for (unsigned i = 0; i < _RLIMIT_MAX; i++) {
|
||||
m->rlimit[i] = mfree(m->rlimit[i]);
|
||||
|
||||
if (!default_rlimit[i])
|
||||
|
|
|
|||
Loading…
Reference in New Issue