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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Post-process adb scripts to move increment and decrement around. 31 * The reason is that at the start of each +/ line, adb prints out 32 * the current location. If the line then increments or decrements 33 * dot before printing the user may be confused. So we move the 34 * increment or decrement to the preceeding line. 35 */ 36 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <ctype.h> 41 42 #define BUFSIZE 1024 /* gross enough to never be exceeded (we hope) */ 43 44 char buf1[BUFSIZE], buf2[BUFSIZE]; 45 46 static char *scanpastnum(char *); 47 static int goodstart(char *); 48 49 int 50 main() 51 { 52 char *cur, *last, *cp1, *cp2, *ep, *t; 53 int len; 54 55 gets(buf1); 56 last = buf1; 57 cur = buf2; 58 while (gets(cur) != NULL) { 59 if (goodstart(cur) && goodstart(last)) { 60 /* 61 * Scan cur for initial increment. 62 * Ignore quoted strings, tabbing, adb newlines. 63 */ 64 cp1 = cur + 2; 65 while (*cp1) { 66 if (*cp1 == '"') { 67 /* scan past quoted string */ 68 while (*++cp1 && *cp1 != '"') 69 ; 70 cp1++; 71 continue; 72 } 73 if (*cp1 >= '0' && *cp1 <= '9') { 74 cp2 = scanpastnum(cp1); 75 } else { 76 cp2 = cp1; 77 } 78 if (*cp2 == 't' || *cp2 == 'n' || 79 *cp2 == ' ') { 80 /* ok to skip over this one */ 81 cp1 = cp2 + 1; 82 continue; 83 } else { 84 break; 85 } 86 } 87 /* 88 * Cp1 now points at the first non-quoted string and 89 * non adb tab specification. 90 * Now determine if it's an increment or decrement. 91 */ 92 cp2 = scanpastnum(cp1); 93 if (*cp2 == '+' || *cp2 == '-') { 94 /* 95 * This is what we were hoping to find. 96 * Move increment or decrement into last. 97 */ 98 cp2++; 99 ep = last + strlen(last); 100 len = cp2 - cp1; 101 strncpy(ep, cp1, len); 102 ep[len] = '\0'; 103 /* 104 * Remove it from cur. 105 */ 106 strcpy(cp1, cp2); 107 } 108 } 109 /* 110 * Prepare for next iteration. 111 */ 112 puts(last); 113 t = cur; 114 cur = last; 115 last = t; 116 } 117 puts(last); 118 return (0); 119 } 120 121 /* 122 * Cp points at a digit. 123 * Return pointer to next char that isn't a digit. 124 */ 125 static char * 126 scanpastnum(char *cp1) 127 { 128 char *cp2; 129 130 for (cp2 = cp1; isdigit(*cp2); cp2++) 131 ; 132 return (cp2); 133 } 134 135 /* 136 * Check whether a line has a good starting string. 137 * We need ./ or +/ at the beginning to even think 138 * of doing this motion stuff. 139 */ 140 static int 141 goodstart(char *cp) 142 { 143 if (*cp == '.' || *cp == '+') { 144 if (*++cp == '/') 145 return (1); 146 } 147 return (0); 148 } 149