/* make-suffix.c: unconditionally add a filename suffix. Copyright (C) 1992, 93, 95 Free Software Foundation, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library 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 Library General Public License for more details. You should have received a copy of the GNU Library 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. */ #include #include /* Return a new string: S suffixed with SUFFIX, regardless of what it was before. This returns a newly allocated string. */ string make_suffix P2C(const_string, s, const_string, suffix) { string new_s; const_string dot_pos = strrchr (s, '.'); const_string slash_pos; for (slash_pos = s + strlen (s) - 1; slash_pos > dot_pos && slash_pos > s; slash_pos--) { if (IS_DIR_SEP (*slash_pos)) break; } if (dot_pos == NULL || slash_pos > dot_pos ) new_s = concat3 (s, ".", suffix); else { unsigned past_dot_index = dot_pos + 1 - s; new_s = xmalloc (past_dot_index + strlen (suffix) + 1); strncpy (new_s, s, dot_pos + 1 - s); strcpy (new_s + past_dot_index, suffix); } return new_s; }