1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #pragma prototyped 23*4887Schin /* 24*4887Schin * strftime implementation 25*4887Schin */ 26*4887Schin 27*4887Schin #define strftime ______strftime 28*4887Schin 29*4887Schin #include <ast.h> 30*4887Schin #include <tm.h> 31*4887Schin 32*4887Schin #undef strftime 33*4887Schin 34*4887Schin #undef _def_map_ast 35*4887Schin #include <ast_map.h> 36*4887Schin 37*4887Schin #undef _lib_strftime /* we can pass X/Open */ 38*4887Schin 39*4887Schin #if _lib_strftime 40*4887Schin 41*4887Schin NoN(strftime) 42*4887Schin 43*4887Schin #else 44*4887Schin 45*4887Schin #if defined(__EXPORT__) 46*4887Schin #define extern __EXPORT__ 47*4887Schin #endif 48*4887Schin 49*4887Schin extern size_t 50*4887Schin strftime(char* buf, size_t len, const char* format, const struct tm* tm) 51*4887Schin { 52*4887Schin register char* s; 53*4887Schin time_t t; 54*4887Schin Tm_t tl; 55*4887Schin 56*4887Schin memset(&tl, 0, sizeof(tl)); 57*4887Schin 58*4887Schin /* 59*4887Schin * nl_langinfo() may call strftime() with bogus tm except for 60*4887Schin * one value -- what a way to go 61*4887Schin */ 62*4887Schin 63*4887Schin if (tm->tm_sec < 0 || tm->tm_sec > 60 || 64*4887Schin tm->tm_min < 0 || tm->tm_min > 59 || 65*4887Schin tm->tm_hour < 0 || tm->tm_hour > 23 || 66*4887Schin tm->tm_wday < 0 || tm->tm_wday > 6 || 67*4887Schin tm->tm_mday < 1 || tm->tm_mday > 31 || 68*4887Schin tm->tm_mon < 0 || tm->tm_mon > 11 || 69*4887Schin tm->tm_year < 0 || tm->tm_year > (2138 - 1900)) 70*4887Schin { 71*4887Schin if (tm->tm_sec >= 0 && tm->tm_sec <= 60) 72*4887Schin tl.tm_sec = tm->tm_sec; 73*4887Schin if (tm->tm_min >= 0 && tm->tm_min <= 59) 74*4887Schin tl.tm_min = tm->tm_min; 75*4887Schin if (tm->tm_hour >= 0 && tm->tm_hour <= 23) 76*4887Schin tl.tm_hour = tm->tm_hour; 77*4887Schin if (tm->tm_wday >= 0 && tm->tm_wday <= 6) 78*4887Schin tl.tm_wday = tm->tm_wday; 79*4887Schin if (tm->tm_mday >= 0 && tm->tm_mday <= 31) 80*4887Schin tl.tm_mday = tm->tm_mday; 81*4887Schin if (tm->tm_mon >= 0 && tm->tm_mon <= 11) 82*4887Schin tl.tm_mon = tm->tm_mon; 83*4887Schin if (tm->tm_year >= 0 && tm->tm_year <= (2138 - 1900)) 84*4887Schin tl.tm_year = tm->tm_year; 85*4887Schin } 86*4887Schin else 87*4887Schin { 88*4887Schin tl.tm_sec = tm->tm_sec; 89*4887Schin tl.tm_min = tm->tm_min; 90*4887Schin tl.tm_hour = tm->tm_hour; 91*4887Schin tl.tm_mday = tm->tm_mday; 92*4887Schin tl.tm_mon = tm->tm_mon; 93*4887Schin tl.tm_year = tm->tm_year; 94*4887Schin tl.tm_wday = tm->tm_wday; 95*4887Schin tl.tm_yday = tm->tm_yday; 96*4887Schin tl.tm_isdst = tm->tm_isdst; 97*4887Schin } 98*4887Schin t = tmtime(&tl, TM_LOCALZONE); 99*4887Schin if (!(s = tmfmt(buf, len, format, &t))) 100*4887Schin return 0; 101*4887Schin return s - buf; 102*4887Schin } 103*4887Schin 104*4887Schin #endif 105