1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include <stdio.h> 44 45 /* 46 * Convert a character, making appropriate changes to make it printable 47 * for a terminfo source entry. Change escape to \E, tab to \t, backspace 48 * to \b, formfeed to \f, newline to \n, and return to \r. Change other 49 * control characters into ^X notation. Change meta characters into octal 50 * (\nnn) notation. Also place a backslash in front of commas, 51 * carets(^), and backslashes(\). Return the number of characters printed. 52 */ 53 54 #define BACKSLASH '\\' 55 #define BACKBACK "\\\\" 56 57 static char retbuffer[1024]; 58 59 /* 60 * Expand a string taking terminfo sequences into consideration. 61 */ 62 char 63 *iexpand(char *string) 64 { 65 int c; 66 char *retptr = retbuffer; 67 68 retbuffer[0] = '\0'; 69 while ((c = *string++) != 0) { 70 /* should check here to make sure that there is enough room */ 71 /* in retbuffer and realloc it if necessary. */ 72 c &= 0377; 73 /* we ignore the return value from sprintf because BSD/V7 */ 74 /* systems return a (char *) rather than an int. */ 75 if (c >= 0200) { 76 (void) sprintf(retptr, "\\%.3o", c); retptr += 4; } 77 else if (c == '\033') { 78 (void) sprintf(retptr, "\\E"); retptr += 2; } 79 else if (c == '\t') { 80 (void) sprintf(retptr, "\\t"); retptr += 2; } 81 else if (c == '\b') { 82 (void) sprintf(retptr, "\\b"); retptr += 2; } 83 else if (c == '\f') { 84 (void) sprintf(retptr, "\\f"); retptr += 2; } 85 else if (c == '\n') { 86 (void) sprintf(retptr, "\\n"); retptr += 2; } 87 else if (c == '\r') { 88 (void) sprintf(retptr, "\\r"); retptr += 2; } 89 else if (c == ',') { 90 (void) sprintf(retptr, "\\,"); retptr += 2; } 91 else if (c == '^') { 92 (void) sprintf(retptr, "\\^"); retptr += 2; } 93 else if (c == BACKSLASH) { 94 (void) sprintf(retptr, BACKBACK); retptr += 2; } 95 else if (c == ' ') { 96 (void) sprintf(retptr, "\\s"); retptr += 2; } 97 else if (c < ' ' || c == 0177) { 98 (void) sprintf(retptr, "^%c", c ^ 0100); retptr += 2; } 99 else { 100 (void) sprintf(retptr, "%c", c); retptr++; } 101 } 102 *retptr = '\0'; 103 return (retbuffer); 104 } 105 106 /* 107 * Print out a string onto a stream, changing unprintables into 108 * terminfo printables. 109 */ 110 void 111 tpr(FILE *stream, char *string) 112 { 113 if (string != NULL) 114 (void) fprintf(stream, "%s", iexpand(string)); 115 } 116