diff options
author | Anthony G. Basile <blueness@gentoo.org> | 2014-08-05 19:22:24 -0400 |
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committer | Anthony G. Basile <blueness@gentoo.org> | 2014-08-05 19:22:24 -0400 |
commit | b1ac60946d1625e14029ea9b7fa3aa4c06e0795f (patch) | |
tree | 28cdd75fec8c6c6a2cf69c9668add048c10370f8 /src/libudev/util.h | |
parent | 4b8733ffe9c0fe8e5a527186d323dab93e43fb37 (diff) |
src/shared: refactor shared code
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
Diffstat (limited to 'src/libudev/util.h')
-rw-r--r-- | src/libudev/util.h | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/src/libudev/util.h b/src/libudev/util.h deleted file mode 100644 index 5e699ca5a8..0000000000 --- a/src/libudev/util.h +++ /dev/null @@ -1,353 +0,0 @@ -/*** - This file is part of eudev, forked from systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#pragma once - -#include <fcntl.h> -#include <string.h> -#include <time.h> -#include <stdlib.h> -#include <stdio.h> -#include <sched.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <dirent.h> -#include <stddef.h> -#include <unistd.h> -#include <sys/socket.h> - -#include "missing.h" -#include "config.h" - -#if SIZEOF_PID_T == 4 -# define PID_FMT "%" PRIu32 -#elif SIZEOF_PID_T == 2 -# define PID_FMT "%" PRIu16 -#else -# error Unknown pid_t size -#endif - -#if SIZEOF_UID_T == 4 -# define UID_FMT "%" PRIu32 -#elif SIZEOF_UID_T == 2 -# define UID_FMT "%" PRIu16 -#else -# error Unknown uid_t size -#endif - -#if SIZEOF_GID_T == 4 -# define GID_FMT "%" PRIu32 -#elif SIZEOF_GID_T == 2 -# define GID_FMT "%" PRIu16 -#else -# error Unknown gid_t size -#endif - -#if SIZEOF_TIME_T == 8 -# define PRI_TIME PRIu64 -#elif SIZEOF_GID_T == 4 -# define PRI_TIME PRIu32 -#else -# error Unknown time_t size -#endif - -#if SIZEOF_RLIM_T == 8 -# define RLIM_FMT "%" PRIu64 -#elif SIZEOF_RLIM_T == 4 -# define RLIM_FMT "%" PRIu32 -#else -# error Unknown rlim_t size -#endif - -#include "macro.h" -#include "missing.h" - -/* What is interpreted as whitespace? */ -#define WHITESPACE " \t\n\r" -#define NEWLINE "\n\r" -#define QUOTES "\"\'" -#define COMMENTS "#;" -#define GLOB_CHARS "*?[" - -#define FORMAT_BYTES_MAX 8 - -#define ANSI_HIGHLIGHT_ON "\x1B[1;39m" -#define ANSI_RED_ON "\x1B[31m" -#define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m" -#define ANSI_GREEN_ON "\x1B[32m" -#define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m" -#define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m" -#define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m" -#define ANSI_HIGHLIGHT_OFF "\x1B[0m" -#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K" - -size_t page_size(void); -#define PAGE_ALIGN(l) ALIGN_TO((l), page_size()) - -#define streq(a,b) (strcmp((a),(b)) == 0) -#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) -#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0) -#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0) - -bool streq_ptr(const char *a, const char *b) _pure_; - -#define new(t, n) ((t*) malloc_multiply(sizeof(t), (n))) - -#define new0(t, n) ((t*) calloc((n), sizeof(t))) -#define malloc0(n) (calloc((n), 1)) - -static inline bool isempty(const char *p) { - return !p || !p[0]; -} - -static inline const char *startswith(const char *s, const char *prefix) { - if (strncmp(s, prefix, strlen(prefix)) == 0) - return s + strlen(prefix); - return NULL; -} - -char *endswith(const char *s, const char *postfix) _pure_; - -int close_nointr(int fd); -int safe_close(int fd); - -void close_nointr_nofail(int fd); - -int safe_atou(const char *s, unsigned *ret_u); -int safe_atoi(const char *s, int *ret_i); - -int safe_atollu(const char *s, unsigned long long *ret_u); -int safe_atolli(const char *s, long long int *ret_i); - -const char* split(const char **state, size_t *l, const char *separator, bool quoted); - -#define FOREACH_WORD_QUOTED(word, length, s, state) \ - _FOREACH_WORD(word, length, s, WHITESPACE, true, state) - -#define _FOREACH_WORD(word, length, s, separator, quoted, state) \ - for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted))) - -char *strappend(const char *s, const char *suffix); -char *strnappend(const char *s, const char *suffix, size_t length); - -char *truncate_nl(char *s); - -char octchar(int x) _const_; -char hexchar(int x) _const_; - -char *cescape(const char *s); -char *xescape(const char *s, const char *bad); - -bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) _pure_; - -bool ignore_file(const char *filename) _pure_; - -void random_bytes(void *p, size_t n); - -/* For basic lookup tables with strictly enumerated entries */ -#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ - scope const char *name##_to_string(type i) { \ - if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ - return NULL; \ - return name##_table[i]; \ - } \ - scope type name##_from_string(const char *s) { \ - type i; \ - assert(s); \ - for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ - if (name##_table[i] && \ - streq(name##_table[i], s)) \ - return i; \ - return (type) -1; \ - } \ - struct __useless_struct_to_allow_trailing_semicolon__ - -#define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,) -#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static) - -/* For string conversions where numbers are also acceptable */ -#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(); \ - } else { \ - r = asprintf(&s, "%u", i); \ - if (r < 0) \ - return log_oom(); \ - } \ - *str = s; \ - return 0; \ - } \ - 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)) \ - return i; \ - if (safe_atou(s, &u) >= 0 && u <= max) \ - return (type) u; \ - return (type) -1; \ - } \ - struct __useless_struct_to_allow_trailing_semicolon__ - -int open_terminal(const char *name, int mode); - -int flush_fd(int fd); - -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 chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid); - -bool null_or_empty(struct stat *st) _pure_; -int null_or_empty_path(const char *fn); -int null_or_empty_fd(int fd); - -int execute_command(const char *command, char *const argv[]); - -bool nulstr_contains(const char*nulstr, const char *needle); - -char *strjoin(const char *x, ...) _sentinel_; - -bool is_main_thread(void); - -#define NULSTR_FOREACH(i, l) \ - for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1) - -#define NULSTR_FOREACH_PAIR(i, j, l) \ - for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i)) - -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_; - -int log_facility_unshifted_to_string_alloc(int i, char **s); -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); - -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); - -const char *signal_to_string(int i) _const_; - -extern int saved_argc; -extern char **saved_argv; - -int fd_inc_sndbuf(int fd, size_t n); - -bool in_initrd(void); - -static inline void freep(void *p) { - free(*(void**) p); -} - -#define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \ - static inline void func##p(type *p) { \ - if (*p) \ - func(*p); \ - } \ - struct __useless_struct_to_allow_trailing_semicolon__ - -static inline void fclosep(FILE **f) { - if (*f) - fclose(*f); -} - -static inline void closep(int *fd) { - if (*fd >= 0) - close_nointr_nofail(*fd); -} - -static inline void closedirp(DIR **d) { - if (*d) - closedir(*d); -} - -#define _cleanup_free_ _cleanup_(freep) -#define _cleanup_fclose_ _cleanup_(fclosep) -#define _cleanup_close_ _cleanup_(closep) -#define _cleanup_closedir_ _cleanup_(closedirp) - -_malloc_ _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) { - if (_unlikely_(b == 0 || a > ((size_t) -1) / b)) - return NULL; - - return malloc(a * b); -} - -/** - * Check if a string contains any glob patterns. - */ -_pure_ static inline bool string_is_glob(const char *p) { - return !!strpbrk(p, GLOB_CHARS); -} - -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 FOREACH_LINE(line, f, on_error) \ - for (;;) \ - if (!fgets(line, sizeof(line), f)) { \ - if (ferror(f)) { \ - on_error; \ - } \ - break; \ - } else - -static inline void _reset_errno_(int *saved_errno) { - errno = *saved_errno; -} - -#define PROTECT_ERRNO _cleanup_(_reset_errno_) __attribute__((unused)) int _saved_errno_ = errno - -int unlink_noerrno(const char *path); -static inline void qsort_safe(void *base, size_t nmemb, size_t size, - int (*compar)(const void *, const void *)) { - if (nmemb) { - assert(base); - qsort(base, nmemb, size, compar); - } -} - -int proc_cmdline(char **ret); -int getpeercred(int fd, struct ucred *ucred); - -union file_handle_union { - struct file_handle handle; - char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ]; -}; |