| 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[] = "@(#)rol.c 5.3 (Berkeley) %G%"; |
| 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 <string.h> |
| 21 | |
| 22 | #ifdef DBI |
| 23 | #include <db.h> |
| 24 | #endif |
| 25 | |
| 26 | #include "ed.h" |
| 27 | #include "extern.h" |
| 28 | |
| 29 | /* |
| 30 | * After the command check the rest of the line to see nothing illegal |
| 31 | * is following. Any single instance of a printsfx suffix is the only |
| 32 | * legal thing to follow ( that is, a 'l', 'n', or 'p'). If a suffix |
| 33 | * occurs the execution of that suffix occurs back in the cmd_loop |
| 34 | * function after the command that called this function finishes |
| 35 | * successfully. |
| 36 | */ |
| 37 | int |
| 38 | rol(inputt, errnum) |
| 39 | FILE *inputt; |
| 40 | int *errnum; |
| 41 | { |
| 42 | ss = getc(inputt); |
| 43 | printsfx = 0; |
| 44 | |
| 45 | /* Only one of the suffix is allowed. */ |
| 46 | if (ss == 'p') |
| 47 | printsfx = 1; |
| 48 | else |
| 49 | if (ss == 'n') |
| 50 | printsfx = 2; |
| 51 | else |
| 52 | if (ss == 'l') |
| 53 | printsfx = 4; |
| 54 | else |
| 55 | ungetc(ss, inputt); |
| 56 | |
| 57 | for (;;) { |
| 58 | ss = getc(inputt); |
| 59 | if ((ss != ' ') && (ss != '\n') && (ss != EOF)) { |
| 60 | *errnum = -1; |
| 61 | strcpy(help_msg, "illegal command option"); |
| 62 | return (1); |
| 63 | } |
| 64 | if ((ss == '\n') || (ss == EOF)) |
| 65 | break; |
| 66 | } |
| 67 | |
| 68 | /* Rest-of-line was okay. */ |
| 69 | return (0); |
| 70 | } |