/* GLIB - Library of useful routines for C programming * Copyright (C) 1995-1997, 2002 Peter Mattis, Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include "glib.h" #include "gprintf.h" #include "gprintfint.h" /** * g_printf: * @format: the format string. See the printf() documentation. * @Varargs: the arguments to insert in the output. * * An implementation of the standard printf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_printf (gchar const *fmt, ...) { va_list args; gint retval; va_start (args, fmt); retval = g_vprintf (fmt, args); va_end (args); return retval; } /** * g_fprintf: * @file: the stream to write to. * @format: the format string. See the printf() documentation. * @Varargs: the arguments to insert in the output. * * An implementation of the standard fprintf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_fprintf (FILE *file, gchar const *fmt, ...) { va_list args; gint retval; va_start (args, fmt); retval = g_vfprintf (file, fmt, args); va_end (args); return retval; } /** * g_sprintf: * @string: the buffer to hold the output. * @format: the format string. See the printf() documentation. * @Varargs: the arguments to insert in the output. * * An implementation of the standard sprintf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_sprintf (gchar *str, gchar const *fmt, ...) { va_list args; gint retval; va_start (args, fmt); retval = g_vsprintf (str, fmt, args); va_end (args); return retval; } /** * g_snprintf: * @string: the buffer to hold the output. * @n: the maximum number of characters to produce (including the * terminating nul character). * @format: the format string. See the printf() documentation. * @Varargs: the arguments to insert in the output. * * A safer form of the standard sprintf() function. The output is guaranteed * to not exceed @n characters (including the terminating nul character), so * it is easy to ensure that a buffer overflow cannot occur. * * See also g_strdup_printf(). * * In versions of GLib prior to 1.2.3, this function may return -1 if the * output was truncated, and the truncated string may not be nul-terminated. * In versions prior to 1.3.12, this function returns the length of the output * string. * * The return value of g_snprintf() conforms to the snprintf() * function as standardized in ISO C99. Note that this is different from * traditional snprintf(), which returns the length of the output string. * * The format string may contain positional parameters, as specified in * the Single Unix Specification. * * Returns: the number of characters which would be produced if the buffer * was large enough. **/ gint g_snprintf (gchar *str, gulong n, gchar const *fmt, ...) { va_list args; gint retval; va_start (args, fmt); retval = g_vsnprintf (str, n, fmt, args); va_end (args); return retval; } /** * g_vprintf: * @format: the format string. See the printf() documentation. * @args: the list of arguments to insert in the output. * * An implementation of the standard vprintf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_vprintf (gchar const *fmt, va_list args) { g_return_val_if_fail (fmt != NULL, 0); return _g_vprintf (fmt, args); } /** * g_vfprintf: * @file: the stream to write to. * @format: the format string. See the printf() documentation. * @args: the list of arguments to insert in the output. * * An implementation of the standard fprintf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_vfprintf (FILE *file, gchar const *fmt, va_list args) { g_return_val_if_fail (fmt != NULL, 0); return _g_vfprintf (file, fmt, args); } /** * g_vsprintf: * @string: the buffer to hold the output. * @format: the format string. See the printf() documentation. * @args: the list of arguments to insert in the output. * * An implementation of the standard vsprintf() function which supports * positional parameters, as specified in the Single Unix Specification. * * Returns: the number of characters printed. * * Since: 2.2 **/ gint g_vsprintf (gchar *str, gchar const *fmt, va_list args) { g_return_val_if_fail (str != NULL, 0); g_return_val_if_fail (fmt != NULL, 0); return _g_vsprintf (str, fmt, args); } /** * g_vsnprintf: * @string: the buffer to hold the output. * @n: the maximum number of characters to produce (including the * terminating nul character). * @format: the format string. See the printf() documentation. * @args: the list of arguments to insert in the output. * * A safer form of the standard vsprintf() function. The output is guaranteed * to not exceed @n characters (including the terminating nul character), so * it is easy to ensure that a buffer overflow cannot occur. * * See also g_strdup_vprintf(). * * In versions of GLib prior to 1.2.3, this function may return -1 if the * output was truncated, and the truncated string may not be nul-terminated. * In versions prior to 1.3.12, this function returns the length of the output * string. * * The return value of g_vsnprintf() conforms to the vsnprintf() function * as standardized in ISO C99. Note that this is different from traditional * vsnprintf(), which returns the length of the output string. * * The format string may contain positional parameters, as specified in * the Single Unix Specification. * * Returns: the number of characters which would be produced if the buffer * was large enough. */ gint g_vsnprintf (gchar *str, gulong n, gchar const *fmt, va_list args) { g_return_val_if_fail (n == 0 || str != NULL, 0); g_return_val_if_fail (fmt != NULL, 0); return _g_vsnprintf (str, n, fmt, args); }