diff options
Diffstat (limited to 'nx-X11/programs/Xserver/os/xprintf.c')
-rw-r--r-- | nx-X11/programs/Xserver/os/xprintf.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/os/xprintf.c b/nx-X11/programs/Xserver/os/xprintf.c new file mode 100644 index 000000000..54bbeefe2 --- /dev/null +++ b/nx-X11/programs/Xserver/os/xprintf.c @@ -0,0 +1,163 @@ +/* + * 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; +} |