1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * /usr/lib/calprog produces an egrep -f file 35*0Sstevel@tonic-gate * that will select today's and tomorrow's 36*0Sstevel@tonic-gate * calendar entries, with special weekend provisions 37*0Sstevel@tonic-gate * used by calendar command 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #include <fcntl.h> 42*0Sstevel@tonic-gate #include <stdarg.h> 43*0Sstevel@tonic-gate #include <stdio.h> 44*0Sstevel@tonic-gate #include <ctype.h> 45*0Sstevel@tonic-gate #include <sys/types.h> 46*0Sstevel@tonic-gate #include <time.h> 47*0Sstevel@tonic-gate #include <sys/stat.h> 48*0Sstevel@tonic-gate #include <locale.h> 49*0Sstevel@tonic-gate #include <errno.h> 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #define DAY (3600*24L) 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate extern char *getenv(), *malloc(); 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate static char *file; 57*0Sstevel@tonic-gate static int old_behavior; 58*0Sstevel@tonic-gate static int linenum = 1; 59*0Sstevel@tonic-gate static time_t t; 60*0Sstevel@tonic-gate static char errmsg[128]; 61*0Sstevel@tonic-gate static char *errlst[] = { 62*0Sstevel@tonic-gate /* 0 */ "error on open of \"%s\", errno = %d", 63*0Sstevel@tonic-gate /* 1 */ "could not malloc enough memory", 64*0Sstevel@tonic-gate /* 2 */ "error on stat of \"%s\", errno = %d", 65*0Sstevel@tonic-gate /* 3 */ "file \"%s\" is not a regular file", 66*0Sstevel@tonic-gate /* 4 */ "error in reading the file \"%s\"", 67*0Sstevel@tonic-gate /* 5 */ "\"%s\" file: error on line %d", 68*0Sstevel@tonic-gate /* 6 */ "\"%s\" file: format descriptions are missing" 69*0Sstevel@tonic-gate }; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate static 72*0Sstevel@tonic-gate char *month[] = { 73*0Sstevel@tonic-gate "[Jj]an", 74*0Sstevel@tonic-gate "[Ff]eb", 75*0Sstevel@tonic-gate "[Mm]ar", 76*0Sstevel@tonic-gate "[Aa]pr", 77*0Sstevel@tonic-gate "[Mm]ay", 78*0Sstevel@tonic-gate "[Jj]un", 79*0Sstevel@tonic-gate "[Jj]ul", 80*0Sstevel@tonic-gate "[Aa]ug", 81*0Sstevel@tonic-gate "[Ss]ep", 82*0Sstevel@tonic-gate "[Oo]ct", 83*0Sstevel@tonic-gate "[Nn]ov", 84*0Sstevel@tonic-gate "[Dd]ec" 85*0Sstevel@tonic-gate }; 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate static void error(const char *fmt, ...); 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate static 90*0Sstevel@tonic-gate tprint(t) 91*0Sstevel@tonic-gate time_t t; 92*0Sstevel@tonic-gate { 93*0Sstevel@tonic-gate struct tm *tm; 94*0Sstevel@tonic-gate tm = localtime(&t); 95*0Sstevel@tonic-gate (void) printf 96*0Sstevel@tonic-gate ("(^|[ \t(,;])((%s[^ ]* *|0*%d/|\\*/)0*%d)([^0123456789]|$)\n", 97*0Sstevel@tonic-gate month[tm->tm_mon], tm->tm_mon + 1, tm->tm_mday); 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate main() 101*0Sstevel@tonic-gate { 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 104*0Sstevel@tonic-gate (void) time(&t); 105*0Sstevel@tonic-gate if (((file = getenv("DATEMSK")) == 0) || file[0] == '\0') 106*0Sstevel@tonic-gate old_behavior = 1; 107*0Sstevel@tonic-gate if (old_behavior) 108*0Sstevel@tonic-gate tprint(t); 109*0Sstevel@tonic-gate else 110*0Sstevel@tonic-gate read_tmpl(); 111*0Sstevel@tonic-gate switch (localtime(&t)->tm_wday) { 112*0Sstevel@tonic-gate case 5: 113*0Sstevel@tonic-gate t += DAY; 114*0Sstevel@tonic-gate if (old_behavior) 115*0Sstevel@tonic-gate tprint(t); 116*0Sstevel@tonic-gate else 117*0Sstevel@tonic-gate read_tmpl(); 118*0Sstevel@tonic-gate case 6: 119*0Sstevel@tonic-gate t += DAY; 120*0Sstevel@tonic-gate if (old_behavior) 121*0Sstevel@tonic-gate tprint(t); 122*0Sstevel@tonic-gate else 123*0Sstevel@tonic-gate read_tmpl(); 124*0Sstevel@tonic-gate default: 125*0Sstevel@tonic-gate t += DAY; 126*0Sstevel@tonic-gate if (old_behavior) 127*0Sstevel@tonic-gate tprint(t); 128*0Sstevel@tonic-gate else 129*0Sstevel@tonic-gate read_tmpl(); 130*0Sstevel@tonic-gate } 131*0Sstevel@tonic-gate exit(0); 132*0Sstevel@tonic-gate } 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate static 136*0Sstevel@tonic-gate read_tmpl() 137*0Sstevel@tonic-gate { 138*0Sstevel@tonic-gate char *clean_line(); 139*0Sstevel@tonic-gate FILE *fp; 140*0Sstevel@tonic-gate char *bp, *start; 141*0Sstevel@tonic-gate struct stat sb; 142*0Sstevel@tonic-gate int no_empty = 0; 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate if ((start = (char *)malloc(512)) == NULL) 145*0Sstevel@tonic-gate error(errlst[1]); 146*0Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) 147*0Sstevel@tonic-gate error(errlst[0], file, errno); 148*0Sstevel@tonic-gate if (fstat(fileno(fp), &sb) < 0) 149*0Sstevel@tonic-gate error(errlst[2], file, errno); 150*0Sstevel@tonic-gate if ((sb.st_mode & S_IFMT) != S_IFREG) 151*0Sstevel@tonic-gate error(errlst[3], file); 152*0Sstevel@tonic-gate for (;;) { 153*0Sstevel@tonic-gate bp = start; 154*0Sstevel@tonic-gate if (!fgets(bp, 512, fp)) { 155*0Sstevel@tonic-gate if (!feof(fp)) { 156*0Sstevel@tonic-gate free(start); 157*0Sstevel@tonic-gate fclose(fp); 158*0Sstevel@tonic-gate error(errlst[4], file); 159*0Sstevel@tonic-gate } 160*0Sstevel@tonic-gate break; 161*0Sstevel@tonic-gate } 162*0Sstevel@tonic-gate if (*(bp+strlen(bp)-1) != '\n') /* terminating newline? */ 163*0Sstevel@tonic-gate { 164*0Sstevel@tonic-gate free(start); 165*0Sstevel@tonic-gate fclose(fp); 166*0Sstevel@tonic-gate error(errlst[5], file, linenum); 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate bp = clean_line(bp); 169*0Sstevel@tonic-gate if (strlen(bp)) /* anything left? */ 170*0Sstevel@tonic-gate { 171*0Sstevel@tonic-gate no_empty++; 172*0Sstevel@tonic-gate generate(bp); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate linenum++; 175*0Sstevel@tonic-gate } 176*0Sstevel@tonic-gate free(start); 177*0Sstevel@tonic-gate fclose(fp); 178*0Sstevel@tonic-gate if (!no_empty) 179*0Sstevel@tonic-gate error(errlst[6], file); 180*0Sstevel@tonic-gate } 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate char * 184*0Sstevel@tonic-gate clean_line(s) 185*0Sstevel@tonic-gate char *s; 186*0Sstevel@tonic-gate { 187*0Sstevel@tonic-gate char *ns; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate *(s + strlen(s) -1) = (char)0; /* delete newline */ 190*0Sstevel@tonic-gate if (!strlen(s)) 191*0Sstevel@tonic-gate return (s); 192*0Sstevel@tonic-gate ns = s + strlen(s) - 1; /* s->start; ns->end */ 193*0Sstevel@tonic-gate while ((ns != s) && (isspace(*ns))) { 194*0Sstevel@tonic-gate *ns = (char)0; /* delete terminating spaces */ 195*0Sstevel@tonic-gate --ns; 196*0Sstevel@tonic-gate } 197*0Sstevel@tonic-gate while (*s) /* delete beginning white spaces */ 198*0Sstevel@tonic-gate if (isspace(*s)) 199*0Sstevel@tonic-gate ++s; 200*0Sstevel@tonic-gate else 201*0Sstevel@tonic-gate break; 202*0Sstevel@tonic-gate return (s); 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate static void 206*0Sstevel@tonic-gate error(const char *fmt, ...) 207*0Sstevel@tonic-gate { 208*0Sstevel@tonic-gate va_list args; 209*0Sstevel@tonic-gate 210*0Sstevel@tonic-gate va_start(args, fmt); 211*0Sstevel@tonic-gate (void) vsnprintf(errmsg, sizeof (errmsg), fmt, args); 212*0Sstevel@tonic-gate fprintf(stderr, "%s\n", errmsg); 213*0Sstevel@tonic-gate va_end(args); 214*0Sstevel@tonic-gate exit(1); 215*0Sstevel@tonic-gate } 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate static 218*0Sstevel@tonic-gate generate(fmt) 219*0Sstevel@tonic-gate char *fmt; 220*0Sstevel@tonic-gate { 221*0Sstevel@tonic-gate char timebuf[1024]; 222*0Sstevel@tonic-gate char outbuf[2 * 1024]; 223*0Sstevel@tonic-gate char *tb, *ob; 224*0Sstevel@tonic-gate int space = 0; 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate strftime(timebuf, sizeof (timebuf), fmt, localtime(&t)); 227*0Sstevel@tonic-gate tb = timebuf; 228*0Sstevel@tonic-gate ob = outbuf; 229*0Sstevel@tonic-gate while (*tb) 230*0Sstevel@tonic-gate if (isspace(*tb)) 231*0Sstevel@tonic-gate { 232*0Sstevel@tonic-gate ++tb; 233*0Sstevel@tonic-gate space++; 234*0Sstevel@tonic-gate } 235*0Sstevel@tonic-gate else 236*0Sstevel@tonic-gate { 237*0Sstevel@tonic-gate if (space) 238*0Sstevel@tonic-gate { 239*0Sstevel@tonic-gate *ob++ = '['; 240*0Sstevel@tonic-gate *ob++ = ' '; 241*0Sstevel@tonic-gate *ob++ = '\t'; 242*0Sstevel@tonic-gate *ob++ = ']'; 243*0Sstevel@tonic-gate *ob++ = '*'; 244*0Sstevel@tonic-gate space = 0; 245*0Sstevel@tonic-gate continue; 246*0Sstevel@tonic-gate } 247*0Sstevel@tonic-gate if (isalpha(*tb)) 248*0Sstevel@tonic-gate { 249*0Sstevel@tonic-gate *ob++ = '['; 250*0Sstevel@tonic-gate *ob++ = toupper(*tb); 251*0Sstevel@tonic-gate *ob++ = tolower(*tb++); 252*0Sstevel@tonic-gate *ob++ = ']'; 253*0Sstevel@tonic-gate continue; 254*0Sstevel@tonic-gate } 255*0Sstevel@tonic-gate else 256*0Sstevel@tonic-gate *ob++ = *tb++; 257*0Sstevel@tonic-gate if (*(tb - 1) == '0') 258*0Sstevel@tonic-gate *ob++ = '*'; 259*0Sstevel@tonic-gate } 260*0Sstevel@tonic-gate *ob = '\0'; 261*0Sstevel@tonic-gate printf("%s\n", outbuf); 262*0Sstevel@tonic-gate } 263