/* * printf routines which xalloc their buffer */ /* * Copyright (c) 2004 Alexander Gottwald * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name(s) of the above copyright * holders shall not be used in advertising or otherwise to promote the sale, * use or other dealings in this Software without prior written authorization. */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include <X11/Xos.h> #include "os.h" #include <stdarg.h> #include <stdio.h> #ifndef va_copy # ifdef __va_copy # define va_copy __va_copy # else # error "no working va_copy was found" # endif #endif #ifdef NX_TRANS_SOCKET #define PANIC #define WARNING #undef TEST #undef DEBUG #define START_SIZE 256 #define END_SIZE 2048 char * Xvprintf(const char *format, va_list va) { char *ret; char *newret; int size; int r; size = 0; for (;;) { if (size == 0) { ret = (char *)malloc(START_SIZE); if (ret == NULL) return NULL; size = START_SIZE; } else if (size < END_SIZE && (newret = (char *) realloc(ret, 2 * size)) != NULL) { ret = newret; size = 2 * size; } else { free(ret); return NULL; } r = vsnprintf(ret, size, format, va); if (r == -1 || r == size || r > size || r == size - 1) { continue; } else { ret[r] = 0; return ret; } } } #else char * Xvprintf(const char *format, va_list va) { char *ret; int size; va_list va2; va_copy(va2, va); size = vsnprintf(NULL, 0, format, va2); va_end(va2); ret = (char *)Xalloc(size + 1); if (ret == NULL) return NULL; vsnprintf(ret, size + 1, format, va); ret[size] = 0; return ret; } #endif char *Xprintf(const char *format, ...) { char *ret; va_list va; va_start(va, format); ret = Xvprintf(format, va); va_end(va); return ret; } char * XNFvprintf(const char *format, va_list va) { char *ret; int size; va_list va2; va_copy(va2, va); size = vsnprintf(NULL, 0, format, va2); va_end(va2); ret = (char *)XNFalloc(size + 1); if (ret == NULL) return NULL; vsnprintf(ret, size + 1, format, va); ret[size] = 0; return ret; } char *XNFprintf(const char *format, ...) { char *ret; va_list va; va_start(va, format); ret = XNFvprintf(format, va); va_end(va); return ret; }