/*
- relocate.cc -- implement relocation based on argv0
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "relocate.hh"
string
expand_environment_variables (string orig)
{
- const char *start_ptr = orig.c_str ();
- const char *ptr = orig.c_str ();
+ char const *start_ptr = orig.c_str ();
+ char const *ptr = orig.c_str ();
size_t len = orig.length ();
string out;
while (ptr < start_ptr + len)
{
- char *dollar = strchr (ptr, '$');
+ char const *dollar = strchr (ptr, '$');
if (dollar != NULL)
{
- char *start_var = dollar + 1;
- char *end_var = start_var;
- char *start_next = end_var;
+ char const *start_var = dollar + 1;
+ char const *end_var = start_var;
+ char const *start_next = end_var;
out += string (ptr, dollar - ptr);
ptr = dollar;
if (start_var < end_var)
{
string var_name (start_var, end_var - start_var);
- const char *value = getenv (var_name.c_str ());
+ char const *value = getenv (var_name.c_str ());
if (value != NULL)
out += string (value);
return out;
}
-
+// Ugh - very inefficient, but safer than fgets.
static string
read_line (FILE *f)
{
int c = 0;
while ((c = fgetc (f)) != EOF && c != '\n')
- out += c;
+ out += char(c);
return out;
}