X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Futil.h;h=f55480abe8b4fd626ae2724aa0cae831f5921113;hb=5382831207810d62db22b6c87f35f73ddfb30b23;hp=1245b39f744fce4e001907018f1a71f454f34edc;hpb=903ff64069e63a831ad1036182d4e56421e0dc86;p=elogind.git diff --git a/src/basic/util.h b/src/basic/util.h index 1245b39f7..f55480abe 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -22,30 +22,30 @@ ***/ #include +#include #include #include -#include +#include +#include +#include #include #include -#include +#include #include -#include -#include -#include +#include +#include #include #include -#include -#include -#include -#include -#include -#include #include +#include +#include +#include +#include +#include "formats-util.h" #include "macro.h" #include "missing.h" #include "time-util.h" -#include "formats-util.h" /* What is interpreted as whitespace? */ #define WHITESPACE " \t\n\r" @@ -83,7 +83,7 @@ int strcmp_ptr(const char *a, const char *b) _pure_; #define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n))) -#define malloc0(n) (calloc((n), 1)) +#define malloc0(n) (calloc(1, (n))) static inline void *mfree(void *memory) { free(memory); @@ -149,12 +149,22 @@ void safe_close_pair(int p[]); void close_many(const int fds[], unsigned n_fd); -int parse_size(const char *t, off_t base, off_t *size); +int fclose_nointr(FILE *f); +FILE* safe_fclose(FILE *f); +DIR* safe_closedir(DIR *f); + +int parse_size(const char *t, uint64_t base, uint64_t *size); int parse_boolean(const char *v) _pure_; int parse_pid(const char *s, pid_t* ret_pid); int parse_uid(const char *s, uid_t* ret_uid); -#define parse_gid(s, ret_uid) parse_uid(s, ret_uid) +#define parse_gid(s, ret_gid) parse_uid(s, ret_gid) + +bool uid_is_valid(uid_t uid); + +static inline bool gid_is_valid(gid_t gid) { + return uid_is_valid((uid_t) gid); +} int safe_atou(const char *s, unsigned *ret_u); int safe_atoi(const char *s, int *ret_i); @@ -283,9 +293,9 @@ bool chars_intersect(const char *a, const char *b) _pure_; ssize_t string_table_lookup(const char * const *table, size_t len, const char *key); -#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \ - scope inline type name##_from_string(const char *s) { \ - return (type)string_table_lookup(name##_table, ELEMENTSOF(name##_table), s); \ +#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \ + scope type name##_from_string(const char *s) { \ + return (type) string_table_lookup(name##_table, ELEMENTSOF(name##_table), s); \ } #define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ @@ -302,17 +312,15 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k #define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \ int name##_to_string_alloc(type i, char **str) { \ char *s; \ - int r; \ if (i < 0 || i > max) \ return -ERANGE; \ if (i < (type) ELEMENTSOF(name##_table)) { \ s = strdup(name##_table[i]); \ if (!s) \ - return log_oom(); \ + return -ENOMEM; \ } else { \ - r = asprintf(&s, "%i", i); \ - if (r < 0) \ - return log_oom(); \ + if (asprintf(&s, "%i", i) < 0) \ + return -ENOMEM; \ } \ *str = s; \ return 0; \ @@ -320,10 +328,10 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k type name##_from_string(const char *s) { \ type i; \ unsigned u = 0; \ - assert(s); \ - for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ - if (name##_table[i] && \ - streq(name##_table[i], s)) \ + if (!s) \ + return (type) -1; \ + for (i = 0; i < (type) ELEMENTSOF(name##_table); i++) \ + if (streq_ptr(name##_table[i], s)) \ return i; \ if (safe_atou(s, &u) >= 0 && u <= max) \ return (type) u; \ @@ -363,13 +371,13 @@ int fd_is_temporary_fs(int fd); int pipe_eof(int fd); -// UNNEEDED cpu_set_t* cpu_set_malloc(unsigned *ncpus); - -#define xsprintf(buf, fmt, ...) assert_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf)) +#define xsprintf(buf, fmt, ...) \ + assert_message_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf), \ + "xsprintf: " #buf "[] must be big enough") int files_same(const char *filea, const char *fileb); -// UNNEEDED int running_in_chroot(void); +int running_in_chroot(void); char *ellipsize(const char *s, size_t length, unsigned percent); /* bytes columns */ @@ -388,14 +396,12 @@ DIR *xopendirat(int dirfd, const char *name, int flags); // UNNEEDED char *fstab_node_to_udev_node(const char *p); -// UNNEEDED void execute_directories(const char* const* directories, usec_t timeout, char *argv[]); +void execute_directories(const char* const* directories, usec_t timeout, char *argv[]); bool nulstr_contains(const char*nulstr, const char *needle); // UNNEEDED bool plymouth_running(void); -bool machine_name_is_valid(const char *s) _pure_; - char* strshorten(char *s, size_t l); // UNNEEDED int symlink_idempotent(const char *from, const char *to); @@ -446,28 +452,28 @@ static inline bool _pure_ in_charset(const char *s, const char* charset) { int ioprio_class_to_string_alloc(int i, char **s); int ioprio_class_from_string(const char *s); -const char *sigchld_code_to_string(int i) _const_; -int sigchld_code_from_string(const char *s) _pure_; +// UNNEEDED const char *sigchld_code_to_string(int i) _const_; +// UNNEEDED int sigchld_code_from_string(const char *s) _pure_; -int log_facility_unshifted_to_string_alloc(int i, char **s); -int log_facility_unshifted_from_string(const char *s); +// UNNEEDED int log_facility_unshifted_to_string_alloc(int i, char **s); +// UNNEEDED int log_facility_unshifted_from_string(const char *s); int log_level_to_string_alloc(int i, char **s); int log_level_from_string(const char *s); -int sched_policy_to_string_alloc(int i, char **s); -int sched_policy_from_string(const char *s); +// UNNEEDED int sched_policy_to_string_alloc(int i, char **s); +// UNNEEDED int sched_policy_from_string(const char *s); const char *rlimit_to_string(int i) _const_; int rlimit_from_string(const char *s) _pure_; -int ip_tos_to_string_alloc(int i, char **s); -int ip_tos_from_string(const char *s); +// UNNEEDED int ip_tos_to_string_alloc(int i, char **s); +// UNNEEDED int ip_tos_from_string(const char *s); extern int saved_argc; extern char **saved_argv; -bool kexec_loaded(void); +// UNNEEDED bool kexec_loaded(void); // UNNEEDED int prot_from_flags(int flags) _const_; @@ -510,7 +516,10 @@ static inline void close_pairp(int (*p)[2]) { safe_close_pair(*p); } -DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, fclose); +static inline void fclosep(FILE **f) { + safe_fclose(*f); +} + DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, pclose); DEFINE_TRIVIAL_CLEANUP_FUNC(DIR*, closedir); DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent); @@ -563,6 +572,7 @@ _pure_ static inline bool string_is_glob(const char *p) { // UNNEEDED void *arg); #define _(String) gettext (String) +#define N_(String) String // UNNEEDED void init_gettext(void); bool is_locale_utf8(void); @@ -866,11 +876,6 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra // UNNEEDED int extract_first_word_and_warn(const char **p, char **ret, const char *separators, ExtractFlags flags, const char *unit, const char *filename, unsigned line, const char *rvalue); // UNNEEDED int extract_many_words(const char **p, const char *separators, ExtractFlags flags, ...) _sentinel_; -static inline void free_and_replace(char **s, char *v) { - free(*s); - *s = v; -} - int free_and_strdup(char **p, const char *s); #define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1) @@ -885,7 +890,11 @@ union inotify_event_buffer { uint8_t raw[INOTIFY_EVENT_MAX]; }; -#define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW) +#ifdef __GLIBC__ + #define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW) +#else + #define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), 0) +#endif // UNNEEDED int ptsname_malloc(int fd, char **ret); @@ -900,10 +909,10 @@ int fd_getcrtime(int fd, usec_t *usec); // UNNEEDED int same_fd(int a, int b); -int chattr_fd(int fd, unsigned value, unsigned mask); +// UNNEEDED int chattr_fd(int fd, unsigned value, unsigned mask); // UNNEEDED int chattr_path(const char *p, unsigned value, unsigned mask); -int read_attr_fd(int fd, unsigned *ret); +// UNNEEDED int read_attr_fd(int fd, unsigned *ret); // UNNEEDED int read_attr_path(const char *p, unsigned *ret); #define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim }) @@ -919,8 +928,8 @@ void sigkill_wait(pid_t *pid); // UNNEEDED int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath); -char *shell_escape(const char *s, const char *bad); -char *shell_maybe_quote(const char *s); +// UNNEEDED char *shell_escape(const char *s, const char *bad); +// UNNEEDED char *shell_maybe_quote(const char *s); int parse_mode(const char *s, mode_t *ret); @@ -930,3 +939,12 @@ int reset_uid_gid(void); int getxattr_malloc(const char *path, const char *name, char **value, bool allow_symlink); int fgetxattr_malloc(int fd, const char *name, char **value); + +int send_one_fd(int transport_fd, int fd, int flags); +// UNNEEDED int receive_one_fd(int transport_fd, int flags); + +// UNNEEDED void nop_signal_handler(int sig); + +int version(void); + +// UNNEEDED bool fdname_is_valid(const char *s);