X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Futil.c;h=328a1ead922b7e37778e4b93941d09b12f83894f;hb=3b8a1f3fee7bf83af5bbae541166508cf172b67c;hp=ca769c22e6a62b2cbdd5956f5835435acf59a052;hpb=ccaa61498c7932cbd5c91540841840266914b10e;p=elogind.git diff --git a/src/util.c b/src/util.c index ca769c22e..328a1ead9 100644 --- a/src/util.c +++ b/src/util.c @@ -53,6 +53,7 @@ #include #include #include +#include #include "macro.h" #include "util.h" @@ -1156,6 +1157,29 @@ int readlink_and_make_absolute(const char *p, char **r) { return 0; } +int readlink_and_canonicalize(const char *p, char **r) { + char *t, *s; + int j; + + assert(p); + assert(r); + + j = readlink_and_make_absolute(p, &t); + if (j < 0) + return j; + + s = canonicalize_file_name(t); + if (s) { + free(t); + *r = s; + } else + *r = t; + + path_kill_slashes(*r); + + return 0; +} + int parent_of_path(const char *path, char **_r) { const char *e, *a = NULL, *b = NULL, *p; char *r; @@ -2947,6 +2971,10 @@ int make_stdio(int fd) { if (r < 0 || s < 0 || t < 0) return -errno; + fd_cloexec(STDIN_FILENO, false); + fd_cloexec(STDOUT_FILENO, false); + fd_cloexec(STDERR_FILENO, false); + return 0; } @@ -3861,8 +3889,12 @@ char *normalize_env_assignment(const char *s) { } int wait_for_terminate(pid_t pid, siginfo_t *status) { + siginfo_t dummy; + assert(pid >= 1); - assert(status); + + if (!status) + status = &dummy; for (;;) { zero(*status); @@ -3935,6 +3967,17 @@ bool null_or_empty(struct stat *st) { return false; } +int null_or_empty_path(const char *fn) { + struct stat st; + + assert(fn); + + if (stat(fn, &st) < 0) + return -errno; + + return null_or_empty(&st); +} + DIR *xopendirat(int fd, const char *name, int flags) { int nfd; DIR *d; @@ -4758,7 +4801,7 @@ static int file_is_conf(const struct dirent *d, const char *suffix) { static int files_add(Hashmap *h, const char *path, const char *suffix) { DIR *dir; - struct dirent *de; + struct dirent buffer, *de; int r = 0; dir = opendir(path); @@ -4768,9 +4811,18 @@ static int files_add(Hashmap *h, const char *path, const char *suffix) { return -errno; } - for (de = readdir(dir); de; de = readdir(dir)) { + for (;;) { + int k; char *p, *f; - const char *base; + + k = readdir_r(dir, &buffer, &de); + if (k != 0) { + r = -k; + goto finish; + } + + if (!de) + break; if (!file_is_conf(de, suffix)) continue; @@ -4789,8 +4841,7 @@ static int files_add(Hashmap *h, const char *path, const char *suffix) { free(p); log_debug("found: %s\n", f); - base = f + strlen(path) + 1; - if (hashmap_put(h, base, f) <= 0) + if (hashmap_put(h, file_name_from_path(f), f) <= 0) free(f); } @@ -4896,7 +4947,7 @@ int hwclock_is_localtime(void) { return local; } -int hwclock_apply_localtime_delta(void) { +int hwclock_apply_localtime_delta(int *min) { const struct timeval *tv_null = NULL; struct timespec ts; struct tm *tm; @@ -4917,8 +4968,9 @@ int hwclock_apply_localtime_delta(void) { */ if (settimeofday(tv_null, &tz) < 0) return -errno; - - return minuteswest; + if (min) + *min = minuteswest; + return 0; } int hwclock_reset_localtime_delta(void) { @@ -5234,6 +5286,77 @@ int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **h return 0; } +int glob_exists(const char *path) { + glob_t g; + int r, k; + + assert(path); + + zero(g); + errno = 0; + k = glob(path, GLOB_NOSORT|GLOB_BRACE, NULL, &g); + + if (k == GLOB_NOMATCH) + r = 0; + else if (k == GLOB_NOSPACE) + r = -ENOMEM; + else if (k == 0) + r = !strv_isempty(g.gl_pathv); + else + r = errno ? -errno : -EIO; + + globfree(&g); + + return r; +} + +int dirent_ensure_type(DIR *d, struct dirent *de) { + struct stat st; + + assert(d); + assert(de); + + if (de->d_type != DT_UNKNOWN) + return 0; + + if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) + return -errno; + + de->d_type = + S_ISREG(st.st_mode) ? DT_REG : + S_ISDIR(st.st_mode) ? DT_DIR : + S_ISLNK(st.st_mode) ? DT_LNK : + S_ISFIFO(st.st_mode) ? DT_FIFO : + S_ISSOCK(st.st_mode) ? DT_SOCK : + S_ISCHR(st.st_mode) ? DT_CHR : + S_ISBLK(st.st_mode) ? DT_BLK : + DT_UNKNOWN; + + return 0; +} + +int in_search_path(const char *path, char **search) { + char **i, *parent; + int r; + + r = parent_of_path(path, &parent); + if (r < 0) + return r; + + r = 0; + + STRV_FOREACH(i, search) { + if (path_equal(parent, *i)) { + r = 1; + break; + } + } + + free(parent); + + return r; +} + static const char *const ioprio_class_table[] = { [IOPRIO_CLASS_NONE] = "none", [IOPRIO_CLASS_RT] = "realtime",