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mirror of https://github.com/rkd77/elinks.git synced 2024-10-13 05:43:37 -04:00
elinks/src/config/home.c
2007-07-18 00:27:08 +03:00

170 lines
3.2 KiB
C

/* Get home directory */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h> /* OS/2 needs this after sys/types.h */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "elinks.h"
#include "config/home.h"
#include "config/options.h"
#include "intl/gettext/libintl.h"
#include "main/main.h"
#include "osdep/osdep.h"
#include "util/memory.h"
#include "util/string.h"
unsigned char *elinks_home = NULL;
int first_use = 0;
static inline void
strip_trailing_dir_sep(unsigned char *path)
{
int i;
for (i = strlen(path) - 1; i > 0; i--)
if (!dir_sep(path[i]))
break;
path[i + 1] = 0;
}
static unsigned char *
test_confdir(unsigned char *home, unsigned char *path,
unsigned char *error_message)
{
struct stat st;
unsigned char *confdir;
if (!path || !*path) return NULL;
if (home && *home && !dir_sep(*path))
confdir = straconcat(home, STRING_DIR_SEP, path,
(unsigned char *) NULL);
else
confdir = stracpy(path);
if (!confdir) return NULL;
strip_trailing_dir_sep(confdir);
if (stat(confdir, &st)) {
if (!mkdir(confdir, 0700)) {
#if 0
/* I've no idea if following is needed for newly created
* directories. It's bad thing to do it everytime. --pasky */
#ifdef HAVE_CHMOD
chmod(home_elinks, 0700);
#endif
#endif
return confdir;
}
} else if (S_ISDIR(st.st_mode)) {
first_use = 0;
return confdir;
}
if (error_message) {
usrerror(gettext(error_message), path, confdir);
sleep(3);
}
mem_free(confdir);
return NULL;
}
/* TODO: Check possibility to use <libgen.h> dirname. */
static unsigned char *
elinks_dirname(unsigned char *path)
{
int i;
unsigned char *dir;
if (!path) return NULL;
dir = stracpy(path);
if (!dir) return NULL;
for (i = strlen(dir) - 1; i >= 0; i--)
if (dir_sep(dir[i]))
break;
dir[i + 1] = 0;
return dir;
}
static unsigned char *
get_home(void)
{
unsigned char *home_elinks;
unsigned char *envhome = getenv("HOME");
unsigned char *home = NULL;
if (!home && envhome)
home = stracpy(envhome);
if (!home)
home = user_appdata_directory();
if (!home)
home = elinks_dirname(program.path);
if (home)
strip_trailing_dir_sep(home);
home_elinks = test_confdir(home,
get_cmd_opt_str("config-dir"),
N_("Commandline options -config-dir set to %s, "
"but could not create directory %s."));
if (home_elinks) goto end;
home_elinks = test_confdir(home, getenv("ELINKS_CONFDIR"),
N_("ELINKS_CONFDIR set to %s, "
"but could not create directory %s."));
if (home_elinks) goto end;
home_elinks = test_confdir(home, ".elinks", NULL);
if (home_elinks) goto end;
home_elinks = test_confdir(home, "elinks", NULL);
end:
if (home_elinks)
add_to_strn(&home_elinks, STRING_DIR_SEP);
mem_free_if(home);
return home_elinks;
}
void
init_home(void)
{
first_use = 1;
elinks_home = get_home();
if (!elinks_home) {
ERROR(gettext("Unable to find or create ELinks config "
"directory. Please check if you have $HOME "
"variable set correctly and if you have "
"write permission to your home directory."));
sleep(3);
return;
}
}
void
done_home(void)
{
mem_free_if(elinks_home);
}