11058Sant/**************************************************************************** 22362Sohair * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * 31058Sant * * 41058Sant * Permission is hereby granted, free of charge, to any person obtaining a * 51058Sant * copy of this software and associated documentation files (the * 61058Sant * "Software"), to deal in the Software without restriction, including * 71058Sant * without limitation the rights to use, copy, modify, merge, publish, * 81058Sant * distribute, distribute with modifications, sublicense, and/or sell * 91058Sant * copies of the Software, and to permit persons to whom the Software is * 101058Sant * furnished to do so, subject to the following conditions: * 111058Sant * * 121058Sant * The above copyright notice and this permission notice shall be included * 131058Sant * in all copies or substantial portions of the Software. * 141058Sant * * 151058Sant * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 161058Sant * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 171058Sant * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 181058Sant * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 192362Sohair * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 202362Sohair * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 212362Sohair * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 221058Sant * * 231058Sant * Except as contained in this notice, the name(s) of the above copyright * 241058Sant * holders shall not be used in advertising or otherwise to promote the * 251058Sant * sale, use or other dealings in this Software without prior written * 2615235Sgoetz * authorization. * 271058Sant ****************************************************************************/ 281058Sant 291058Sant/**************************************************************************** 301058Sant * Author: Thomas E. Dickey 1997-on * 311058Sant ****************************************************************************/ 321058Sant/* 331058Sant * trace_buf.c - Tracing/Debugging buffers (attributes) 341058Sant */ 351058Sant 361058Sant#include <curses.priv.h> 371058Sant 381058SantMODULE_ID("$Id: trace_buf.c,v 1.14 2008/08/03 15:13:56 tom Exp $") 391058Sant 401058Sant#define MyList _nc_globals.tracebuf_ptr 411058Sant#define MySize _nc_globals.tracebuf_used 421058Sant 431058Santstatic char * 441058Sant_nc_trace_alloc(int bufnum, size_t want) 451058Sant{ 461058Sant char *result = 0; 471058Sant 481058Sant if (bufnum >= 0) { 491058Sant if ((size_t) (bufnum + 1) > MySize) { 501058Sant size_t need = (bufnum + 1) * 2; 511058Sant if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != 0) { 521058Sant while (need > MySize) 531058Sant MyList[MySize++].text = 0; 541058Sant } 551058Sant } 561058Sant 571058Sant if (MyList != 0) { 581058Sant if (MyList[bufnum].text == 0 591058Sant || want > MyList[bufnum].size) { 601058Sant MyList[bufnum].text = typeRealloc(char, want, MyList[bufnum].text); 611058Sant if (MyList[bufnum].text != 0) 621058Sant MyList[bufnum].size = want; 631058Sant } 641058Sant result = MyList[bufnum].text; 651058Sant } 661058Sant } 671058Sant#if NO_LEAKS 681058Sant else { 691058Sant if (MySize) { 701058Sant if (MyList) { 711058Sant while (MySize--) { 721058Sant if (MyList[MySize].text != 0) { 731058Sant free(MyList[MySize].text); 741058Sant } 751058Sant } 761058Sant free(MyList); 771058Sant MyList = 0; 781058Sant } 791058Sant MySize = 0; 801058Sant } 811058Sant } 821058Sant#endif 831058Sant return result; 841058Sant} 851058Sant 861058Sant/* 871058Sant * (re)Allocate a buffer big enough for the caller's wants. 881058Sant */ 891058SantNCURSES_EXPORT(char *) 901058Sant_nc_trace_buf(int bufnum, size_t want) 911058Sant{ 921058Sant char *result = _nc_trace_alloc(bufnum, want); 931058Sant if (result != 0) 941058Sant *result = '\0'; 951058Sant return result; 961058Sant} 97 98/* 99 * Append a new string to an existing buffer. 100 */ 101NCURSES_EXPORT(char *) 102_nc_trace_bufcat(int bufnum, const char *value) 103{ 104 char *buffer = _nc_trace_alloc(bufnum, 0); 105 if (buffer != 0) { 106 size_t have = strlen(buffer); 107 108 buffer = _nc_trace_alloc(bufnum, 1 + have + strlen(value)); 109 if (buffer != 0) 110 (void) strcpy(buffer + have, value); 111 112 } 113 return buffer; 114} 115