1 /*- 2 * Copyright (c) 1992 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rodney Ruddock of the University of Guelph. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)q.c 5.5 (Berkeley) 03/18/93"; 13 #endif /* not lint */ 14 15 #include <sys/types.h> 16 17 #include <regex.h> 18 #include <setjmp.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <unistd.h> 23 24 #ifdef DBI 25 #include <db.h> 26 #endif 27 28 #include "ed.h" 29 #include "extern.h" 30 31 /* 32 * End this editting session and exit with saving the buffer. If no 33 * write has occurred since the last buffer modification a warning 34 * is given once ('Q' over-rides the warning). 35 */ 36 void 37 q(inputt, errnum) 38 FILE *inputt; 39 int *errnum; 40 { 41 register int l_ss = ss; 42 int l_which; /* Which is it? 'q' or 'Q'. */ 43 44 sigspecial = 1; /* yes, 1, because we want to ensure it's on */ 45 sigspecial2 = 0; 46 47 l_which = ss; 48 if (ss != -1) { 49 for (;;) { 50 l_ss = getc(inputt); 51 if ((l_ss != ' ') && (l_ss != '\n') && (l_ss != EOF)) { 52 *errnum = -1; 53 strcpy(help_msg, "illegal command option"); 54 return; 55 } 56 if ((l_ss == '\n') || (l_ss == EOF)) 57 break; 58 } 59 60 ungetc(l_ss, inputt); 61 } 62 /* Note: 'Q' will bypass this if stmt., which warns of no save. */ 63 if ((change_flag == 1L) && ((l_which == 'q') || (l_which == -1)) ) { 64 change_flag = 0L; 65 strcpy(help_msg, "buffer changes not saved"); 66 *errnum = -1; 67 ss = l_ss; 68 if (l_which == EOF) 69 ungetc('\n', inputt); 70 return; 71 } 72 /* Do cleanup; should it be even bothered?? */ 73 Start = top; 74 End = bottom; 75 Start_default = End_default = 0; 76 77 /* We don't care about the returned errnum val anymore. */ 78 if (l_which == EOF) 79 ungetc('\n', inputt); 80 d(inputt, errnum); 81 u_clr_stk(); 82 free(text); 83 free(filename_current); 84 #ifdef STDIO 85 fclose(fhtmp); 86 #endif 87 #ifdef DBI 88 (dbhtmp->close) (dbhtmp); /* Overhead as the cache is flushed. */ 89 #endif 90 #ifndef MEMORY 91 unlink(template); 92 #endif 93 exit(0); 94 } 95