Source:NetHack 1.4f/pctty.c
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Below is the full text to pctty.c from the source code of NetHack 1.4f. To link to a particular line, write [[NetHack 1.4f/pctty.c#line123]], for example.
Warning! This is the source code from an old release. For the latest release, see Source code
Screenshots and source code from Hack are used under the CWI license.
1. /* SCCS Id: @(#)pctty.c 1.4 87/08/08 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* tty.c - (PC) version 1.0.3 */ 4. /* With thanks to the people who sent code for SYSV - hpscdi!jon, 5. arnold@ucsf-cgl, wcs@bo95b, cbcephus!pds and others. */ 6. 7. #include <stdio.h> 8. #include "hack.h" 9. #include "func_tab.h" 10. 11. static char erase_char, kill_char; 12. 13. /* 14. * Get initial state of terminal, set ospeed (for termcap routines) 15. * and switch off tab expansion if necessary. 16. * Called by startup() in termcap.c and after returning from ! or ^Z 17. */ 18. gettty(){ 19. erase_char = '\b'; 20. kill_char = 21; /* cntl-U */ 21. flags.cbreak = TRUE; 22. #ifdef DGK 23. disable_ctrlP(); /* turn off ^P processing */ 24. #endif 25. } 26. 27. /* reset terminal to original state */ 28. settty(s) char *s; { 29. end_screen(); 30. if(s) printf(s); 31. (void) fflush(stdout); 32. #ifdef DGK 33. enable_ctrlP(); /* turn on ^P processing */ 34. #endif 35. } 36. 37. 38. /* fatal error */ 39. /*VARARGS1*/ 40. error(s,x,y) char *s; { 41. end_screen(); 42. putchar('\n'); 43. printf(s,x,y); 44. putchar('\n'); 45. exit(1); 46. } 47. 48. /* 49. * Read a line closed with '\n' into the array char bufp[BUFSZ]. 50. * (The '\n' is not stored. The string is closed with a '\0'.) 51. * Reading can be interrupted by an escape ('\033') - now the 52. * resulting string is "\033". 53. */ 54. getlin(bufp) 55. register char *bufp; 56. { 57. register char *obufp = bufp; 58. register int c; 59. 60. flags.toplin = 2; /* nonempty, no --More-- required */ 61. for(;;) { 62. (void) fflush(stdout); 63. if((c = getchar()) == EOF) { 64. *bufp = 0; 65. return; 66. } 67. if(c == '\033') { 68. *obufp = c; 69. obufp[1] = 0; 70. return; 71. } 72. if(c == erase_char || c == '\b') { 73. if(bufp != obufp) { 74. bufp--; 75. putstr("\b \b"); /* putsym converts \b */ 76. } else bell(); 77. } else if(c == '\n') { 78. *bufp = 0; 79. return; 80. } else if(' ' <= c && c < '\177') { 81. /* avoid isprint() - some people don't have it 82. ' ' is not always a printing char */ 83. *bufp = c; 84. bufp[1] = 0; 85. putstr(bufp); 86. if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO) 87. bufp++; 88. } else if(c == kill_char || c == '\177') { /* Robert Viduya */ 89. /* this test last - @ might be the kill_char */ 90. while(bufp != obufp) { 91. bufp--; 92. putstr("\b \b"); 93. } 94. } else 95. bell(); 96. } 97. } 98. 99. getret() { 100. cgetret(""); 101. } 102. 103. cgetret(s) 104. register char *s; 105. { 106. putsym('\n'); 107. if(flags.standout) 108. standoutbeg(); 109. putstr("Hit "); 110. putstr(flags.cbreak ? "space" : "return"); 111. putstr(" to continue: "); 112. if(flags.standout) 113. standoutend(); 114. xwaitforspace(s); 115. } 116. 117. char morc; /* tell the outside world what char he used */ 118. 119. xwaitforspace(s) 120. register char *s; /* chars allowed besides space or return */ 121. { 122. register int c; 123. 124. morc = 0; 125. while((c = readchar()) != '\n') { 126. if(flags.cbreak) { 127. if(c == ' ') break; 128. if(s && index(s,c)) { 129. morc = c; 130. break; 131. } 132. bell(); 133. } 134. } 135. } 136. 137. static int last_multi; 138. 139. char * 140. parse() 141. { 142. static char inline[COLNO]; 143. register foo; 144. 145. flags.move = 1; 146. if(!Invisible) curs_on_u(); else home(); 147. multi = 0; 148. #ifdef DGK 149. while((foo = readchar()) >= '0' && foo <= '9') { 150. multi = 10*multi+foo-'0'; 151. if (multi < 0 || multi > LARGEST_INT) 152. multi = LARGEST_INT; 153. if (multi > 9) { 154. remember_topl(); 155. home(); 156. cl_end(); 157. printf("Count: %d", multi); 158. } 159. last_multi = multi; 160. } 161. # ifdef REDO 162. if (foo == DOAGAIN || in_doagain) 163. multi = last_multi; 164. else { 165. savech(0); /* reset input queue */ 166. savech(foo); 167. } 168. # endif 169. 170. #else /* DGK */ 171. 172. while((foo = readchar()) >= '0' && foo <= '9') 173. multi = 10*multi+foo-'0'; 174. 175. #endif /* DGK */ 176. 177. if(multi) { 178. multi--; 179. save_cm = inline; 180. } 181. inline[0] = foo; 182. inline[1] = 0; 183. if(foo == 'g' || foo == 'G'){ 184. inline[1] = getchar(); 185. savech(inline[1]); 186. inline[2] = 0; 187. } 188. if(foo == 'm' || foo == 'M'){ 189. inline[1] = getchar(); 190. savech(inline[1]); 191. inline[2] = 0; 192. } 193. clrlin(); 194. return(inline); 195. } 196. 197. char 198. readchar() { 199. register int sym; 200. 201. (void) fflush(stdout); 202. sym = getchar(); 203. if(flags.toplin == 1) 204. flags.toplin = 2; 205. return((char) sym); 206. } 207. #ifdef COM_COMPL 208. /* Read in an extended command - doing command line completion for 209. * when enough character have been entered to make a unique command. 210. * This is just a modified getlin(). -jsb 211. */ 212. get_ext_cmd(bufp) 213. register char *bufp; 214. { 215. register char *obufp = bufp; 216. register int c; 217. int com_index, index; 218. 219. flags.toplin = 2; /* nonempty, no --More-- required */ 220. 221. for(;;) { 222. (void) fflush(stdout); 223. if((c = readchar()) == EOF) { 224. *bufp = 0; 225. return; 226. } 227. if(c == '\033') { 228. *obufp = c; 229. obufp[1] = 0; 230. return; 231. } 232. if(c == erase_char || c == '\b') { 233. if(bufp != obufp) { 234. bufp--; 235. putstr("\b \b"); /* putsym converts \b */ 236. } else bell(); 237. } else if(c == '\n') { 238. *bufp = 0; 239. return; 240. } else if(' ' <= c && c < '\177') { 241. /* avoid isprint() - some people don't have it 242. ' ' is not always a printing char */ 243. *bufp = c; 244. bufp[1] = 0; 245. index = 0; 246. com_index = -1; 247. 248. while(extcmdlist[index].ef_txt != (char *) 0){ 249. if(!strncmp(obufp, extcmdlist[index].ef_txt, 250. strlen(obufp))) 251. if(com_index == -1) /* No matches yet*/ 252. com_index = index; 253. else /* More than 1 match */ 254. com_index = -2; 255. index++; 256. } 257. if(com_index >= 0){ 258. strcpy(obufp, 259. extcmdlist[com_index].ef_txt); 260. /* finish print our string */ 261. putstr(bufp); 262. bufp = obufp; /* reset it */ 263. if(strlen(obufp) < BUFSIZ-1 && 264. strlen(obufp) < COLNO) 265. /* set bufp at the end of our 266. * string 267. */ 268. bufp += strlen(obufp); 269. } else { 270. putstr(bufp); 271. if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO) 272. bufp++; 273. } 274. } else if(c == kill_char || c == '\177') { /* Robert Viduya */ 275. /* this test last - @ might be the kill_char */ 276. while(bufp != obufp) { 277. bufp--; 278. putstr("\b \b"); 279. } 280. } else 281. bell(); 282. } 283. 284. } 285. #endif COM_COMPL