1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman /* 24*b30d1939SAndy Fiddaman * strftime implementation 25*b30d1939SAndy Fiddaman */ 26*b30d1939SAndy Fiddaman 27*b30d1939SAndy Fiddaman #define strftime ______strftime 28*b30d1939SAndy Fiddaman 29*b30d1939SAndy Fiddaman #include <ast.h> 30*b30d1939SAndy Fiddaman #include <tm.h> 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #undef strftime 33*b30d1939SAndy Fiddaman 34*b30d1939SAndy Fiddaman #undef _def_map_ast 35*b30d1939SAndy Fiddaman #include <ast_map.h> 36*b30d1939SAndy Fiddaman 37*b30d1939SAndy Fiddaman #undef _lib_strftime /* we can pass X/Open */ 38*b30d1939SAndy Fiddaman 39*b30d1939SAndy Fiddaman #if _lib_strftime 40*b30d1939SAndy Fiddaman 41*b30d1939SAndy Fiddaman NoN(strftime) 42*b30d1939SAndy Fiddaman 43*b30d1939SAndy Fiddaman #else 44*b30d1939SAndy Fiddaman 45*b30d1939SAndy Fiddaman #if defined(__EXPORT__) 46*b30d1939SAndy Fiddaman #define extern __EXPORT__ 47*b30d1939SAndy Fiddaman #endif 48*b30d1939SAndy Fiddaman 49*b30d1939SAndy Fiddaman extern size_t 50*b30d1939SAndy Fiddaman strftime(char* buf, size_t len, const char* format, const struct tm* tm) 51*b30d1939SAndy Fiddaman { 52*b30d1939SAndy Fiddaman register char* s; 53*b30d1939SAndy Fiddaman time_t t; 54*b30d1939SAndy Fiddaman Tm_t tl; 55*b30d1939SAndy Fiddaman 56*b30d1939SAndy Fiddaman memset(&tl, 0, sizeof(tl)); 57*b30d1939SAndy Fiddaman 58*b30d1939SAndy Fiddaman /* 59*b30d1939SAndy Fiddaman * nl_langinfo() may call strftime() with bogus tm except for 60*b30d1939SAndy Fiddaman * one value -- what a way to go 61*b30d1939SAndy Fiddaman */ 62*b30d1939SAndy Fiddaman 63*b30d1939SAndy Fiddaman if (tm->tm_sec < 0 || tm->tm_sec > 60 || 64*b30d1939SAndy Fiddaman tm->tm_min < 0 || tm->tm_min > 59 || 65*b30d1939SAndy Fiddaman tm->tm_hour < 0 || tm->tm_hour > 23 || 66*b30d1939SAndy Fiddaman tm->tm_wday < 0 || tm->tm_wday > 6 || 67*b30d1939SAndy Fiddaman tm->tm_mday < 1 || tm->tm_mday > 31 || 68*b30d1939SAndy Fiddaman tm->tm_mon < 0 || tm->tm_mon > 11 || 69*b30d1939SAndy Fiddaman tm->tm_year < 0 || tm->tm_year > (2138 - 1900)) 70*b30d1939SAndy Fiddaman { 71*b30d1939SAndy Fiddaman if (tm->tm_sec >= 0 && tm->tm_sec <= 60) 72*b30d1939SAndy Fiddaman tl.tm_sec = tm->tm_sec; 73*b30d1939SAndy Fiddaman if (tm->tm_min >= 0 && tm->tm_min <= 59) 74*b30d1939SAndy Fiddaman tl.tm_min = tm->tm_min; 75*b30d1939SAndy Fiddaman if (tm->tm_hour >= 0 && tm->tm_hour <= 23) 76*b30d1939SAndy Fiddaman tl.tm_hour = tm->tm_hour; 77*b30d1939SAndy Fiddaman if (tm->tm_wday >= 0 && tm->tm_wday <= 6) 78*b30d1939SAndy Fiddaman tl.tm_wday = tm->tm_wday; 79*b30d1939SAndy Fiddaman if (tm->tm_mday >= 0 && tm->tm_mday <= 31) 80*b30d1939SAndy Fiddaman tl.tm_mday = tm->tm_mday; 81*b30d1939SAndy Fiddaman if (tm->tm_mon >= 0 && tm->tm_mon <= 11) 82*b30d1939SAndy Fiddaman tl.tm_mon = tm->tm_mon; 83*b30d1939SAndy Fiddaman if (tm->tm_year >= 0 && tm->tm_year <= (2138 - 1900)) 84*b30d1939SAndy Fiddaman tl.tm_year = tm->tm_year; 85*b30d1939SAndy Fiddaman } 86*b30d1939SAndy Fiddaman else 87*b30d1939SAndy Fiddaman { 88*b30d1939SAndy Fiddaman tl.tm_sec = tm->tm_sec; 89*b30d1939SAndy Fiddaman tl.tm_min = tm->tm_min; 90*b30d1939SAndy Fiddaman tl.tm_hour = tm->tm_hour; 91*b30d1939SAndy Fiddaman tl.tm_mday = tm->tm_mday; 92*b30d1939SAndy Fiddaman tl.tm_mon = tm->tm_mon; 93*b30d1939SAndy Fiddaman tl.tm_year = tm->tm_year; 94*b30d1939SAndy Fiddaman tl.tm_wday = tm->tm_wday; 95*b30d1939SAndy Fiddaman tl.tm_yday = tm->tm_yday; 96*b30d1939SAndy Fiddaman tl.tm_isdst = tm->tm_isdst; 97*b30d1939SAndy Fiddaman } 98*b30d1939SAndy Fiddaman t = tmtime(&tl, TM_LOCALZONE); 99*b30d1939SAndy Fiddaman if (!(s = tmfmt(buf, len, format, &t))) 100*b30d1939SAndy Fiddaman return 0; 101*b30d1939SAndy Fiddaman return s - buf; 102*b30d1939SAndy Fiddaman } 103*b30d1939SAndy Fiddaman 104*b30d1939SAndy Fiddaman #endif 105