From 9b52c0d4544b2ed0fba156f87b75632c75b2084c Mon Sep 17 00:00:00 2001 From: Mathieu Lirzin Date: Mon, 24 Apr 2017 21:28:09 +0200 Subject: wrapper: Move 'wrap_env_path' to a new 'utils' module. * src/wrapper.c: Move 'wrap_env_path' to ... * src/utils.h: ... here. New module. * src/utils.c: New file. * configure.ac: Use AC_PROG_RANLIB and AM_PROG_AR. * Makefile.am (noinst_LIBRARIES, src_libmcron_a_SOURCES): New variables. (LDADD): Add 'src/libmcron.a'. --- src/utils.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/utils.c (limited to 'src/utils.c') diff --git a/src/utils.c b/src/utils.c new file mode 100644 index 0000000..b011e77 --- /dev/null +++ b/src/utils.c @@ -0,0 +1,44 @@ +/* utils.c -- Utility functions. + Copyright © 2017 Mathieu Lirzin + + This file is part of GNU Mcron. + + GNU Mcron 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. + + GNU Mcron 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 GNU Mcron. If not, see . */ + +#include "utils.h" +#include +#include +#include +#include + +void +wrap_env_path (const char *envar, const char *dir) +{ + const char *path = getenv (envar); + if (path == NULL) + setenv (envar, dir, true); + else + { + char *new_path; + int ret = asprintf (&new_path, "%s:%s", dir, path); + if (ret >= 0) + setenv (envar, new_path, true); + else + { + perror (envar); + exit (EXIT_FAILURE); + } + free (new_path); + } +} -- cgit v1.2.3