projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9c4b96b4 C |
1 | /* $Header: ngstuff.c,v 4.3.1.2 85/05/10 14:31:52 lwall Exp $ |
| 2 | * | |
| 3 | * $Log: ngstuff.c,v $ | |
| 4 | * Revision 4.3.1.2 85/05/10 14:31:52 lwall | |
| 5 | * Prevented "Junked" or "Marked unread" when no state change. | |
| 6 | * | |
| 7 | * Revision 4.3.1.1 85/05/10 11:36:45 lwall | |
| 8 | * Branch for patches. | |
| 9 | * | |
| 10 | * Revision 4.3 85/05/01 11:45:03 lwall | |
| 11 | * Baseline for release with 4.3bsd. | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #include "EXTERN.h" | |
| 16 | #include "common.h" | |
| 17 | #include "term.h" | |
| 18 | #include "util.h" | |
| 19 | #include "ng.h" | |
| 20 | #include "bits.h" | |
| 21 | #include "intrp.h" | |
| 22 | #include "cheat.h" | |
| 23 | #include "head.h" | |
| 24 | #include "final.h" | |
| 25 | #include "sw.h" | |
| 26 | #include "INTERN.h" | |
| 27 | #include "ngstuff.h" | |
| 28 | ||
| 29 | void | |
| 30 | ngstuff_init() | |
| 31 | { | |
| 32 | ; | |
| 33 | } | |
| 34 | ||
| 35 | /* do a shell escape */ | |
| 36 | ||
| 37 | int | |
| 38 | escapade() | |
| 39 | { | |
| 40 | register char *s; | |
| 41 | bool interactive = (buf[1] == FINISHCMD); | |
| 42 | bool docd; | |
| 43 | char whereiam[256]; | |
| 44 | ||
| 45 | if (!finish_command(interactive)) /* get remainder of command */ | |
| 46 | return -1; | |
| 47 | s = buf+1; | |
| 48 | docd = *s != '!'; | |
| 49 | if (!docd) { | |
| 50 | s++; | |
| 51 | } | |
| 52 | else { | |
| 53 | getwd(whereiam); | |
| 54 | if (chdir(cwd)) { | |
| 55 | printf(nocd,cwd) FLUSH; | |
| 56 | sig_catcher(0); | |
| 57 | } | |
| 58 | } | |
| 59 | while (*s == ' ') s++; | |
| 60 | /* skip leading spaces */ | |
| 61 | interp(cmd_buf, (sizeof cmd_buf), s);/* interpret any % escapes */ | |
| 62 | resetty(); /* make sure tty is friendly */ | |
| 63 | doshell(Nullch,cmd_buf); /* invoke the shell */ | |
| 64 | noecho(); /* and make terminal */ | |
| 65 | crmode(); /* unfriendly again */ | |
| 66 | if (docd) { | |
| 67 | if (chdir(whereiam)) { | |
| 68 | printf(nocd,whereiam) FLUSH; | |
| 69 | sig_catcher(0); | |
| 70 | } | |
| 71 | } | |
| 72 | #ifdef MAILCALL; | |
| 73 | mailcount = 0; /* force recheck */ | |
| 74 | #endif | |
| 75 | return 0; | |
| 76 | } | |
| 77 | ||
| 78 | /* process & command */ | |
| 79 | ||
| 80 | int | |
| 81 | switcheroo() | |
| 82 | { | |
| 83 | if (!finish_command(TRUE)) /* get rest of command */ | |
| 84 | return -1; /* if rubbed out, try something else */ | |
| 85 | if (!buf[1]) | |
| 86 | pr_switches(); | |
| 87 | #ifdef PUSHBACK | |
| 88 | else if (buf[1] == '&') { | |
| 89 | if (!buf[2]) { | |
| 90 | page_init(); | |
| 91 | show_macros(); | |
| 92 | } | |
| 93 | else { | |
| 94 | char tmpbuf[LBUFLEN]; | |
| 95 | register char *s; | |
| 96 | ||
| 97 | for (s=buf+2; isspace(*s); s++); | |
| 98 | mac_line(s,tmpbuf,(sizeof tmpbuf)); | |
| 99 | } | |
| 100 | } | |
| 101 | #endif | |
| 102 | else { | |
| 103 | bool docd = (instr(buf,"-d") != Nullch); | |
| 104 | char whereami[256]; | |
| 105 | ||
| 106 | if (docd) | |
| 107 | getwd(whereami); | |
| 108 | sw_list(buf+1); | |
| 109 | if (docd) { | |
| 110 | cwd_check(); | |
| 111 | if (chdir(whereami)) { /* -d does chdirs */ | |
| 112 | printf(nocd,whereami) FLUSH; | |
| 113 | sig_catcher(0); | |
| 114 | } | |
| 115 | } | |
| 116 | } | |
| 117 | return 0; | |
| 118 | } | |
| 119 | ||
| 120 | /* process range commands */ | |
| 121 | ||
| 122 | int | |
| 123 | numnum() | |
| 124 | { | |
| 125 | ART_NUM min, max; | |
| 126 | char *cmdlst = Nullch; | |
| 127 | register char *s, *c; | |
| 128 | ART_NUM oldart = art; | |
| 129 | char tmpbuf[LBUFLEN]; | |
| 130 | bool justone = TRUE; /* assume only one article */ | |
| 131 | ||
| 132 | if (!finish_command(TRUE)) /* get rest of command */ | |
| 133 | return NN_INP; | |
| 134 | if (lastart < 1) { | |
| 135 | fputs("\nNo articles\n",stdout) FLUSH; | |
| 136 | return NN_ASK; | |
| 137 | } | |
| 138 | #ifdef ARTSRCH | |
| 139 | if (srchahead) | |
| 140 | srchahead = -1; | |
| 141 | #endif | |
| 142 | for (s=buf; *s && (isdigit(*s) || index(" ,-.$",*s)); s++) | |
| 143 | if (!isdigit(*s)) | |
| 144 | justone = FALSE; | |
| 145 | if (*s) { | |
| 146 | cmdlst = savestr(s); | |
| 147 | justone = FALSE; | |
| 148 | } | |
| 149 | else if (!justone) | |
| 150 | cmdlst = savestr("m"); | |
| 151 | *s++ = ','; | |
| 152 | *s = '\0'; | |
| 153 | safecpy(tmpbuf,buf,LBUFLEN); | |
| 154 | for (s = tmpbuf; c = index(s,','); s = ++c) { | |
| 155 | *c = '\0'; | |
| 156 | if (*s == '.') | |
| 157 | min = oldart; | |
| 158 | else | |
| 159 | min = atol(s); | |
| 160 | if (min<absfirst) { /* make sure it is reasonable */ | |
| 161 | min = absfirst; | |
| 162 | printf("(First article is %ld)\n",(long)absfirst) FLUSH; | |
| 163 | pad(just_a_sec/3); | |
| 164 | } | |
| 165 | if ((s=index(s,'-')) != Nullch) { | |
| 166 | s++; | |
| 167 | if (*s == '$') | |
| 168 | max = lastart; | |
| 169 | else if (*s == '.') | |
| 170 | max = oldart; | |
| 171 | else | |
| 172 | max = atol(s); | |
| 173 | } | |
| 174 | else | |
| 175 | max = min; | |
| 176 | if (max>lastart) { | |
| 177 | max = lastart; | |
| 178 | if (min > max) | |
| 179 | min = max; | |
| 180 | printf("(Last article is %ld)\n",(long)lastart) FLUSH; | |
| 181 | pad(just_a_sec/3); | |
| 182 | } | |
| 183 | if (max < min) { | |
| 184 | fputs("\nBad range\n",stdout) FLUSH; | |
| 185 | if (cmdlst) | |
| 186 | free(cmdlst); | |
| 187 | return NN_ASK; | |
| 188 | } | |
| 189 | if (justone) { | |
| 190 | art = min; | |
| 191 | return NN_REREAD; | |
| 192 | } | |
| 193 | check_first(min); | |
| 194 | for (art=min; art<=max; art++) { | |
| 195 | if (perform(cmdlst,TRUE)) { | |
| 196 | #ifdef VERBOSE | |
| 197 | IF(verbose) | |
| 198 | printf("\n(Interrupted at article %ld)\n",(long)art) | |
| 199 | FLUSH; | |
| 200 | ELSE | |
| 201 | #endif | |
| 202 | #ifdef TERSE | |
| 203 | printf("\n(Intr at %ld)\n",(long)art) FLUSH; | |
| 204 | #endif | |
| 205 | if (cmdlst) | |
| 206 | free(cmdlst); | |
| 207 | return NN_ASK; | |
| 208 | } | |
| 209 | } | |
| 210 | } | |
| 211 | art = oldart; | |
| 212 | if (cmdlst) | |
| 213 | free(cmdlst); | |
| 214 | return NN_NORM; | |
| 215 | } | |
| 216 | ||
| 217 | int | |
| 218 | perform(cmdlst,toplevel) | |
| 219 | register char *cmdlst; | |
| 220 | int toplevel; | |
| 221 | { | |
| 222 | register int ch; | |
| 223 | ||
| 224 | if (toplevel) { | |
| 225 | printf("%-6ld",art); | |
| 226 | fflush(stdout); | |
| 227 | } | |
| 228 | for (; ch = *cmdlst; cmdlst++) { | |
| 229 | if (isspace(ch) || ch == ':') | |
| 230 | continue; | |
| 231 | if (ch == 'j') { | |
| 232 | if (!was_read(art)) { | |
| 233 | mark_as_read(art); | |
| 234 | #ifdef VERBOSE | |
| 235 | IF(verbose) | |
| 236 | fputs("\tJunked",stdout); | |
| 237 | #endif | |
| 238 | } | |
| 239 | } | |
| 240 | else if (ch == 'm') { | |
| 241 | if (was_read(art)) { | |
| 242 | unmark_as_read(art); | |
| 243 | #ifdef VERBOSE | |
| 244 | IF(verbose) | |
| 245 | fputs("\tMarked unread",stdout); | |
| 246 | #endif | |
| 247 | } | |
| 248 | } | |
| 249 | else if (ch == 'M') { | |
| 250 | #ifdef DELAYMARK | |
| 251 | delay_unmark(art); | |
| 252 | #ifdef VERBOSE | |
| 253 | IF(verbose) | |
| 254 | fputs("\tWill return",stdout); | |
| 255 | #endif | |
| 256 | #else | |
| 257 | notincl("M"); | |
| 258 | return -1; | |
| 259 | #endif | |
| 260 | } | |
| 261 | else if (ch == '=') { | |
| 262 | printf("\t%s",fetchsubj(art,FALSE,FALSE)); | |
| 263 | #ifdef VERBOSE | |
| 264 | IF(verbose) | |
| 265 | ; | |
| 266 | ELSE | |
| 267 | #endif | |
| 268 | putchar('\n') FLUSH; /* ghad! */ | |
| 269 | } | |
| 270 | else if (ch == 'C') { | |
| 271 | #ifdef ASYNC_PARSE | |
| 272 | printf("\t%sancelled",(cancel_article() ? "Not c" : "C")); | |
| 273 | #else | |
| 274 | notincl("C"); | |
| 275 | return -1; | |
| 276 | #endif | |
| 277 | } | |
| 278 | else if (ch == '%') { | |
| 279 | #ifdef ASYNC_PARSE | |
| 280 | char tmpbuf[512]; | |
| 281 | ||
| 282 | cmdlst = dointerp(tmpbuf, (sizeof tmpbuf), cmdlst,":"); | |
| 283 | if (*cmdlst != ':') | |
| 284 | --cmdlst; | |
| 285 | if (perform(tmpbuf,FALSE)) | |
| 286 | return -1; | |
| 287 | #else | |
| 288 | notincl("%"); | |
| 289 | return -1; | |
| 290 | #endif | |
| 291 | } | |
| 292 | else if (index("!&sSwW|",ch)) { | |
| 293 | cmdlst = cpytill(buf,cmdlst,':') - 1; | |
| 294 | /* we now have the command in buf */ | |
| 295 | if (ch == '!') { | |
| 296 | escapade(); | |
| 297 | #ifdef VERBOSE | |
| 298 | IF(verbose) | |
| 299 | fputs("\tShell escaped",stdout); | |
| 300 | #endif | |
| 301 | } | |
| 302 | else if (ch == '&') { | |
| 303 | switcheroo(); | |
| 304 | #ifdef VERBOSE | |
| 305 | IF(verbose) | |
| 306 | fputs("\tSwitched",stdout); | |
| 307 | #endif | |
| 308 | } | |
| 309 | else { | |
| 310 | putchar('\t'); | |
| 311 | save_article(); | |
| 312 | } | |
| 313 | } | |
| 314 | else { | |
| 315 | printf("\t???%s\n",cmdlst); | |
| 316 | return -1; | |
| 317 | } | |
| 318 | #ifdef VERBOSE | |
| 319 | fflush(stdout); | |
| 320 | #endif | |
| 321 | } | |
| 322 | if (toplevel) { | |
| 323 | #ifdef VERBOSE | |
| 324 | IF(verbose) | |
| 325 | putchar('\n') FLUSH; | |
| 326 | ELSE | |
| 327 | #endif | |
| 328 | #ifdef TERSE | |
| 329 | putchar(' '); | |
| 330 | #endif | |
| 331 | } | |
| 332 | return 0; | |
| 333 | } | |
| 334 |