mirror of
https://github.com/MidnightCommander/mc
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758ab591d8
Mostly \file and \brief tag added. Signed-off-by: Mikhail S. Pobolovets <styx.mp@gmail.com>
116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/** \file glibcompat.c
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* \brief Source: old glib compatibility
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*
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* Following code was copied from glib to GNU Midnight Commander to
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* provide compatibility with older versions of glib.
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*/
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#include <config.h>
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#include <string.h>
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#include <glib.h>
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#include "global.h"
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#include "glibcompat.h"
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#if GLIB_MAJOR_VERSION < 2
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/* Functions g_strlcpy and g_strlcat were originally developed by
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* Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
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* See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
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* for more information.
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*/
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#ifdef HAVE_STRLCPY
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gsize
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g_strlcpy (gchar *dest,
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const gchar *src,
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gsize dest_size)
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{
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g_return_val_if_fail (dest != NULL, 0);
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g_return_val_if_fail (src != NULL, 0);
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return strlcpy (dest, src, dest_size);
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}
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gsize
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g_strlcat (gchar *dest,
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const gchar *src,
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gsize dest_size)
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{
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g_return_val_if_fail (dest != NULL, 0);
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g_return_val_if_fail (src != NULL, 0);
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return strlcat (dest, src, dest_size);
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}
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#else /* ! HAVE_STRLCPY */
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/* g_strlcpy
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*
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* Copy string src to buffer dest (of buffer size dest_size). At most
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* dest_size-1 characters will be copied. Always NUL terminates
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* (unless dest_size == 0). This function does NOT allocate memory.
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* Unlike strncpy, this function doesn't pad dest (so it's often faster).
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* Returns size of attempted result, strlen(src),
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* so if retval >= dest_size, truncation occurred.
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*/
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gsize
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g_strlcpy (gchar *dest,
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const gchar *src,
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gsize dest_size)
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{
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register gchar *d = dest;
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register const gchar *s = src;
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register gsize n = dest_size;
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g_return_val_if_fail (dest != NULL, 0);
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g_return_val_if_fail (src != NULL, 0);
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/* Copy as many bytes as will fit */
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if (n != 0 && --n != 0)
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do
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{
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register gchar c = *s++;
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*d++ = c;
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if (c == 0)
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break;
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}
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while (--n != 0);
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/* If not enough room in dest, add NUL and traverse rest of src */
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if (n == 0)
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{
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if (dest_size != 0)
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*d = 0;
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while (*s++)
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;
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}
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return s - src - 1; /* count does not include NUL */
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}
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#endif /* ! HAVE_STRLCPY */
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#endif /* GLIB_MAJOR_VERSION < 2 */
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