| 1 | #ifndef PRIVATE_H |
| 2 | |
| 3 | #define PRIVATE_H |
| 4 | |
| 5 | /* |
| 6 | ** This file is in the public domain, so clarified as of |
| 7 | ** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov). |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * FreeBSD modifications: separate libc's privates from zic's. |
| 12 | * This makes it easier when we need to update one but not the other. |
| 13 | * I have removed all of the ifdef spaghetti which is not relevant to |
| 14 | * zic from this file. |
| 15 | * |
| 16 | * $FreeBSD: src/usr.sbin/zic/private.h,v 1.7 2004/06/20 21:41:11 stefanf Exp $ |
| 17 | */ |
| 18 | |
| 19 | /* |
| 20 | ** This header is for use ONLY with the time conversion code. |
| 21 | ** There is no guarantee that it will remain unchanged, |
| 22 | ** or that it will remain at all. |
| 23 | ** Do NOT copy it to any system include directory. |
| 24 | ** Thank you! |
| 25 | */ |
| 26 | |
| 27 | /* |
| 28 | ** ID |
| 29 | */ |
| 30 | |
| 31 | #ifndef lint |
| 32 | #ifndef NOID |
| 33 | static const char privatehid[] = "@(#)private.h 7.53"; |
| 34 | #endif /* !defined NOID */ |
| 35 | #endif /* !defined lint */ |
| 36 | |
| 37 | /* |
| 38 | ** Defaults for preprocessor symbols. |
| 39 | ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'. |
| 40 | */ |
| 41 | |
| 42 | #ifndef HAVE_GETTEXT |
| 43 | #define HAVE_GETTEXT 0 |
| 44 | #endif /* !defined HAVE_GETTEXT */ |
| 45 | |
| 46 | #ifndef HAVE_STRERROR |
| 47 | #define HAVE_STRERROR 1 |
| 48 | #endif /* !defined HAVE_STRERROR */ |
| 49 | |
| 50 | #ifndef HAVE_SYMLINK |
| 51 | #define HAVE_SYMLINK 1 |
| 52 | #endif /* !defined HAVE_SYMLINK */ |
| 53 | |
| 54 | #ifndef HAVE_SYS_STAT_H |
| 55 | #define HAVE_SYS_STAT_H 1 |
| 56 | #endif /* !defined HAVE_SYS_STAT_H */ |
| 57 | |
| 58 | #ifndef HAVE_SYS_WAIT_H |
| 59 | #define HAVE_SYS_WAIT_H 1 |
| 60 | #endif /* !defined HAVE_SYS_WAIT_H */ |
| 61 | |
| 62 | #ifndef HAVE_UNISTD_H |
| 63 | #define HAVE_UNISTD_H 1 |
| 64 | #endif /* !defined HAVE_UNISTD_H */ |
| 65 | |
| 66 | /* |
| 67 | ** Nested includes |
| 68 | */ |
| 69 | |
| 70 | #include "sys/types.h" /* for time_t */ |
| 71 | #include "stdio.h" |
| 72 | #include "errno.h" |
| 73 | #include "string.h" |
| 74 | #include "limits.h" /* for CHAR_BIT */ |
| 75 | #include "time.h" |
| 76 | #include "stdlib.h" |
| 77 | |
| 78 | #if HAVE_GETTEXT - 0 |
| 79 | #include "libintl.h" |
| 80 | #endif /* HAVE_GETTEXT - 0 */ |
| 81 | |
| 82 | #if HAVE_SYS_WAIT_H - 0 |
| 83 | #include <sys/wait.h> /* for WIFEXITED and WEXITSTATUS */ |
| 84 | #endif /* HAVE_SYS_WAIT_H - 0 */ |
| 85 | |
| 86 | #if HAVE_UNISTD_H - 0 |
| 87 | #include "unistd.h" /* for F_OK and R_OK */ |
| 88 | #endif /* HAVE_UNISTD_H - 0 */ |
| 89 | |
| 90 | #if !(HAVE_UNISTD_H - 0) |
| 91 | #ifndef F_OK |
| 92 | #define F_OK 0 |
| 93 | #endif /* !defined F_OK */ |
| 94 | #ifndef R_OK |
| 95 | #define R_OK 4 |
| 96 | #endif /* !defined R_OK */ |
| 97 | #endif /* !(HAVE_UNISTD_H - 0) */ |
| 98 | |
| 99 | /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ |
| 100 | #define is_digit(c) ((unsigned)(c) - '0' <= 9) |
| 101 | |
| 102 | #define P(x) x |
| 103 | |
| 104 | /* |
| 105 | ** Private function declarations. |
| 106 | */ |
| 107 | char * icalloc P((int nelem, int elsize)); |
| 108 | char * icatalloc P((char * old, const char * new)); |
| 109 | char * icpyalloc P((const char * string)); |
| 110 | char * imalloc P((int n)); |
| 111 | void * irealloc P((void * pointer, int size)); |
| 112 | void icfree P((char * pointer)); |
| 113 | void ifree P((char * pointer)); |
| 114 | char * scheck P((const char *string, const char *format)); |
| 115 | |
| 116 | /* |
| 117 | ** Finally, some convenience items. |
| 118 | */ |
| 119 | |
| 120 | #ifndef TRUE |
| 121 | #define TRUE 1 |
| 122 | #endif /* !defined TRUE */ |
| 123 | |
| 124 | #ifndef FALSE |
| 125 | #define FALSE 0 |
| 126 | #endif /* !defined FALSE */ |
| 127 | |
| 128 | #ifndef TYPE_BIT |
| 129 | #define TYPE_BIT(type) (sizeof (type) * CHAR_BIT) |
| 130 | #endif /* !defined TYPE_BIT */ |
| 131 | |
| 132 | #ifndef TYPE_SIGNED |
| 133 | #define TYPE_SIGNED(type) (((type) -1) < 0) |
| 134 | #endif /* !defined TYPE_SIGNED */ |
| 135 | |
| 136 | #ifndef INT_STRLEN_MAXIMUM |
| 137 | /* |
| 138 | ** 302 / 1000 is log10(2.0) rounded up. |
| 139 | ** Subtract one for the sign bit if the type is signed; |
| 140 | ** add one for integer division truncation; |
| 141 | ** add one more for a minus sign if the type is signed. |
| 142 | */ |
| 143 | #define INT_STRLEN_MAXIMUM(type) \ |
| 144 | ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type)) |
| 145 | #endif /* !defined INT_STRLEN_MAXIMUM */ |
| 146 | |
| 147 | /* |
| 148 | ** INITIALIZE(x) |
| 149 | */ |
| 150 | |
| 151 | #ifndef GNUC_or_lint |
| 152 | #ifdef lint |
| 153 | #define GNUC_or_lint |
| 154 | #endif /* defined lint */ |
| 155 | #ifndef lint |
| 156 | #ifdef __GNUC__ |
| 157 | #define GNUC_or_lint |
| 158 | #endif /* defined __GNUC__ */ |
| 159 | #endif /* !defined lint */ |
| 160 | #endif /* !defined GNUC_or_lint */ |
| 161 | |
| 162 | #ifndef INITIALIZE |
| 163 | #ifdef GNUC_or_lint |
| 164 | #define INITIALIZE(x) ((x) = 0) |
| 165 | #endif /* defined GNUC_or_lint */ |
| 166 | #ifndef GNUC_or_lint |
| 167 | #define INITIALIZE(x) |
| 168 | #endif /* !defined GNUC_or_lint */ |
| 169 | #endif /* !defined INITIALIZE */ |
| 170 | |
| 171 | /* |
| 172 | ** For the benefit of GNU folk... |
| 173 | ** `_(MSGID)' uses the current locale's message library string for MSGID. |
| 174 | ** The default is to use gettext if available, and use MSGID otherwise. |
| 175 | */ |
| 176 | |
| 177 | #ifndef _ |
| 178 | #if HAVE_GETTEXT - 0 |
| 179 | #define _(msgid) gettext(msgid) |
| 180 | #else /* !(HAVE_GETTEXT - 0) */ |
| 181 | #define _(msgid) msgid |
| 182 | #endif /* !(HAVE_GETTEXT - 0) */ |
| 183 | #endif /* !defined _ */ |
| 184 | |
| 185 | #ifndef TZ_DOMAIN |
| 186 | #define TZ_DOMAIN "tz" |
| 187 | #endif /* !defined TZ_DOMAIN */ |
| 188 | |
| 189 | /* |
| 190 | ** UNIX was a registered trademark of The Open Group in 2003. |
| 191 | */ |
| 192 | |
| 193 | #endif /* !defined PRIVATE_H */ |