Annotation of embedaddon/sudo/include/sudo_util.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 2013-2014 Todd C. Miller <Todd.Miller@courtesan.com>
! 3: *
! 4: * Permission to use, copy, modify, and distribute this software for any
! 5: * purpose with or without fee is hereby granted, provided that the above
! 6: * copyright notice and this permission notice appear in all copies.
! 7: *
! 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 15: */
! 16:
! 17: #ifndef _SUDO_UTIL_H
! 18: #define _SUDO_UTIL_H
! 19:
! 20: #ifdef HAVE_STDBOOL_H
! 21: # include <stdbool.h>
! 22: #else
! 23: # include "compat/stdbool.h"
! 24: #endif /* HAVE_STDBOOL_H */
! 25:
! 26: /*
! 27: * Macros for operating on struct timeval.
! 28: */
! 29: #define sudo_timevalclear(tv) ((tv)->tv_sec = (tv)->tv_usec = 0)
! 30:
! 31: #define sudo_timevalisset(tv) ((tv)->tv_sec || (tv)->tv_usec)
! 32:
! 33: #define sudo_timevalcmp(tv1, tv2, op) \
! 34: (((tv1)->tv_sec == (tv2)->tv_sec) ? \
! 35: ((tv1)->tv_usec op (tv2)->tv_usec) : \
! 36: ((tv1)->tv_sec op (tv2)->tv_sec))
! 37:
! 38: #define sudo_timevaladd(tv1, tv2, tv3) \
! 39: do { \
! 40: (tv3)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \
! 41: (tv3)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \
! 42: if ((tv3)->tv_usec >= 1000000) { \
! 43: (tv3)->tv_sec++; \
! 44: (tv3)->tv_usec -= 1000000; \
! 45: } \
! 46: } while (0)
! 47:
! 48: #define sudo_timevalsub(tv1, tv2, tv3) \
! 49: do { \
! 50: (tv3)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec; \
! 51: (tv3)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec; \
! 52: if ((tv3)->tv_usec < 0) { \
! 53: (tv3)->tv_sec--; \
! 54: (tv3)->tv_usec += 1000000; \
! 55: } \
! 56: } while (0)
! 57:
! 58: #ifndef TIMEVAL_TO_TIMESPEC
! 59: # define TIMEVAL_TO_TIMESPEC(tv, ts) \
! 60: do { \
! 61: (ts)->tv_sec = (tv)->tv_sec; \
! 62: (ts)->tv_nsec = (tv)->tv_usec * 1000; \
! 63: } while (0)
! 64: #endif
! 65:
! 66: /*
! 67: * Macros for operating on struct timespec.
! 68: */
! 69: #define sudo_timespecclear(ts) ((ts)->tv_sec = (ts)->tv_nsec = 0)
! 70:
! 71: #define sudo_timespecisset(ts) ((ts)->tv_sec || (ts)->tv_nsec)
! 72:
! 73: #define sudo_timespeccmp(ts1, ts2, op) \
! 74: (((ts1)->tv_sec == (ts2)->tv_sec) ? \
! 75: ((ts1)->tv_nsec op (ts2)->tv_nsec) : \
! 76: ((ts1)->tv_sec op (ts2)->tv_sec))
! 77:
! 78: #define sudo_timespecadd(ts1, ts2, ts3) \
! 79: do { \
! 80: (ts3)->tv_sec = (ts1)->tv_sec + (ts2)->tv_sec; \
! 81: (ts3)->tv_nsec = (ts1)->tv_nsec + (ts2)->tv_nsec; \
! 82: while ((ts3)->tv_nsec >= 1000000000) { \
! 83: (ts3)->tv_sec++; \
! 84: (ts3)->tv_nsec -= 1000000000; \
! 85: } \
! 86: } while (0)
! 87:
! 88: #define sudo_timespecsub(ts1, ts2, ts3) \
! 89: do { \
! 90: (ts3)->tv_sec = (ts1)->tv_sec - (ts2)->tv_sec; \
! 91: (ts3)->tv_nsec = (ts1)->tv_nsec - (ts2)->tv_nsec; \
! 92: while ((ts3)->tv_nsec < 0) { \
! 93: (ts3)->tv_sec--; \
! 94: (ts3)->tv_nsec += 1000000000; \
! 95: } \
! 96: } while (0)
! 97:
! 98: #ifndef TIMESPEC_TO_TIMEVAL
! 99: # define TIMESPEC_TO_TIMEVAL(tv, ts) \
! 100: do { \
! 101: (tv)->tv_sec = (ts)->tv_sec; \
! 102: (tv)->tv_usec = (ts)->tv_nsec / 1000; \
! 103: } while (0)
! 104: #endif
! 105:
! 106: /*
! 107: * Macros to extract ctime and mtime as timevals.
! 108: */
! 109: #ifdef HAVE_ST_MTIM
! 110: # ifdef HAVE_ST__TIM
! 111: # define ctim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctim.st__tim)
! 112: # define mtim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtim.st__tim)
! 113: # else
! 114: # define ctim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctim)
! 115: # define mtim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtim)
! 116: # endif
! 117: #else
! 118: # ifdef HAVE_ST_MTIMESPEC
! 119: # define ctim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctimespec)
! 120: # define mtim_get(_x, _y) TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtimespec)
! 121: # else
! 122: # define ctim_get(_x, _y) do { (_y)->tv_sec = (_x)->st_ctime; (_y)->tv_usec = 0; } while (0)
! 123: # define mtim_get(_x, _y) do { (_y)->tv_sec = (_x)->st_mtime; (_y)->tv_usec = 0; } while (0)
! 124: # endif /* HAVE_ST_MTIMESPEC */
! 125: #endif /* HAVE_ST_MTIM */
! 126:
! 127: /*
! 128: * Macros to quiet gcc's warn_unused_result attribute.
! 129: */
! 130: #ifdef __GNUC__
! 131: # define ignore_result(x) do { \
! 132: __typeof__(x) y = (x); \
! 133: (void)y; \
! 134: } while(0)
! 135: #else
! 136: # define ignore_result(x) (void)(x)
! 137: #endif
! 138:
! 139: /* aix.c */
! 140: void aix_prep_user(char *user, const char *tty);
! 141: void aix_restoreauthdb(void);
! 142: void aix_setauthdb(char *user);
! 143:
! 144: /* atobool.c */
! 145: int atobool(const char *str);
! 146:
! 147: /* atoid.c */
! 148: id_t atoid(const char *str, const char *sep, char **endp, const char **errstr);
! 149:
! 150: /* atomode.c */
! 151: int atomode(const char *cp, const char **errstr);
! 152:
! 153: /* fmt_string.h */
! 154: char *fmt_string(const char *var, const char *value);
! 155:
! 156: /* gidlist.c */
! 157: int parse_gid_list(const char *gidstr, const gid_t *basegid, GETGROUPS_T **gidsp);
! 158:
! 159: /* progname.c */
! 160: void initprogname(const char *);
! 161:
! 162: /* setgroups.c */
! 163: int sudo_setgroups(int ngids, const GETGROUPS_T *gids);
! 164:
! 165: /* term.c */
! 166: bool term_cbreak(int);
! 167: bool term_copy(int, int);
! 168: bool term_noecho(int);
! 169: bool term_raw(int, int);
! 170: bool term_restore(int, bool);
! 171:
! 172: /* ttysize.c */
! 173: void get_ttysize(int *rowp, int *colp);
! 174:
! 175: #endif /* _SUDO_UTIL_H */
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