X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.h;h=d229e1e68c95ac447462255fdf7907900f8b9482;hb=f85ef957e647c5182acf5e64298f68e4b7fbfe8f;hp=ca0c2e5e3deab194c1c7a03726ef8ce5ff7eba47;hpb=b9a5f8588facd64fcff0f75fa91e3f80730b93f2;p=elogind.git diff --git a/src/shared/util.h b/src/shared/util.h index ca0c2e5e3..d229e1e68 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -25,7 +25,6 @@ #include #include #include -#include #include #include #include @@ -34,14 +33,13 @@ #include #include #include +#include #include #include -#include #include #include #include #include -#include #include #if SIZEOF_PID_T == 4 @@ -355,16 +353,11 @@ static inline uint32_t random_u32(void) { return name##_table[i]; \ } -#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \ - scope type name##_from_string(const char *s) { \ - type i; \ - if (!s) \ - return (type) -1; \ - for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ - if (name##_table[i] && \ - streq(name##_table[i], s)) \ - return i; \ - return (type) -1; \ +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(name,type,scope) \ @@ -439,6 +432,7 @@ int sigaction_many(const struct sigaction *sa, ...); int fopen_temporary(const char *path, FILE **_f, char **_temp_path); ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll); +int loop_read_exact(int fd, void *buf, size_t nbytes, bool do_poll); int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll); bool is_device_path(const char *path); @@ -481,6 +475,8 @@ cpu_set_t* cpu_set_malloc(unsigned *ncpus); int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0); int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5); +#define xsprintf(buf, fmt, ...) assert_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf)) + int fd_columns(int fd); unsigned columns(void); int fd_lines(int fd); @@ -740,6 +736,8 @@ void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size, int (*compar) (const void *, const void *, void *), void *arg); +#define _(String) gettext (String) +void init_gettext(void); bool is_locale_utf8(void); typedef enum DrawSpecialChar { @@ -858,7 +856,7 @@ static inline unsigned u32ctz(uint32_t n) { #endif } -static inline int log2i(int x) { +static inline unsigned log2i(int x) { assert(x > 0); return __SIZEOF_INT__ * 8 - __builtin_clz(x) - 1; @@ -919,19 +917,19 @@ int unlink_noerrno(const char *path); (void*)memset(_new_, 0, _size_); \ }) -#define strappenda(a, ...) \ - ({ \ - int _len = strlen(a); \ - unsigned _i; \ - char *_d_, *_p_; \ - const char *_appendees_[] = { __VA_ARGS__ }; \ - for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \ - _len += strlen(_appendees_[_i]); \ - _d_ = alloca(_len + 1); \ - _p_ = stpcpy(_d_, a); \ - for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \ - _p_ = stpcpy(_p_, _appendees_[_i]); \ - _d_; \ +#define strjoina(a, ...) \ + ({ \ + const char *_appendees_[] = { a, __VA_ARGS__ }; \ + char *_d_, *_p_; \ + int _len_ = 0; \ + unsigned _i_; \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _len_ += strlen(_appendees_[_i_]); \ + _p_ = _d_ = alloca(_len_ + 1); \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _p_ = stpcpy(_p_, _appendees_[_i_]); \ + *_p_ = 0; \ + _d_; \ }) #define procfs_file_alloca(pid, field) \ @@ -1081,3 +1079,7 @@ void sigkill_wait(pid_t *pid); #define _cleanup_sigkill_wait_ _cleanup_(sigkill_wait) int syslog_parse_priority(const char **p, int *priority, bool with_facility); + +void cmsg_close_all(struct msghdr *mh); + +int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);