58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* env.c
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*
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* Copyright (C) 2011 Henrik Hautakoski <henrik@fiktivkod.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <errno.h>
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#include "env.h"
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static char base[4096];
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static void get_base() {
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char *ptr;
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int len;
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ptr = getenv("HOME");
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if (!ptr)
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ptr = ".";
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len = strlen(ptr);
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if (len < sizeof(base) - 9) {
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memcpy(base, ptr, len);
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memcpy(base+len, "/.dlight", 9);
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}
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}
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const char* env_get_dir() {
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if (!*base) {
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get_base();
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if (mkdir(base, 0700) < 0 && errno != EEXIST) {
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fprintf(stderr, "unable to create '%s': %s\n",
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base, strerror(errno));
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exit(1);
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}
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}
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return base;
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}
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