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Respect environment variable WEECHAT_HOME #391

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merged 1 commit into from Apr 25, 2015
Merged

Respect environment variable WEECHAT_HOME #391

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98 changes: 63 additions & 35 deletions src/core/weechat.c
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Expand Up @@ -270,65 +270,93 @@ weechat_parse_args (int argc, char *argv[])
}

/*
* Creates WeeChat home directory (by default ~/.weechat).
*
* Any error in this function is fatal: WeeChat can not run without a home
* directory.
* Helper function for weechat_create_home_dir.
* Expands and assigns given string to weechat_home
*/

void
weechat_create_home_dir ()
weechat_create_home_dir_set_path (char* local_weechat_home)
{
char *ptr_home, *config_weechat_home = WEECHAT_HOME;
char *ptr_home;
int dir_length;
struct stat statinfo;

if (!weechat_home)
if (local_weechat_home[0] == '~')
{
if (strlen (config_weechat_home) == 0)
/* replace leading '~' by $HOME */
ptr_home = getenv ("HOME");
if (!ptr_home)
{
string_iconv_fprintf (stderr,
_("Error: WEECHAT_HOME is undefined, check "
"build options\n"));
_("Error: unable to get HOME directory\n"));
weechat_shutdown (EXIT_FAILURE, 0);
/* make C static analyzer happy (never executed) */
return;
}

if (config_weechat_home[0] == '~')
dir_length = strlen (ptr_home) + strlen (local_weechat_home + 1) + 1;
weechat_home = malloc (dir_length);
if (weechat_home)
{
/* replace leading '~' by $HOME */
ptr_home = getenv ("HOME");
if (!ptr_home)
{
string_iconv_fprintf (stderr,
_("Error: unable to get HOME directory\n"));
weechat_shutdown (EXIT_FAILURE, 0);
/* make C static analyzer happy (never executed) */
return;
}
dir_length = strlen (ptr_home) + strlen (config_weechat_home + 1) + 1;
weechat_home = malloc (dir_length);
if (weechat_home)
{
snprintf (weechat_home, dir_length,
"%s%s", ptr_home, config_weechat_home + 1);
}
snprintf (weechat_home, dir_length,
"%s%s", ptr_home, local_weechat_home + 1);
}
else
}
else
{
weechat_home = strdup (local_weechat_home);
}

if (!weechat_home)
{
string_iconv_fprintf (stderr,
_("Error: not enough memory for home "
"directory\n"));
weechat_shutdown (EXIT_FAILURE, 0);
/* make C static analyzer happy (never executed) */
return;
}
}

/*
* Creates WeeChat home directory (by default ~/.weechat).
*
* Any error in this function is fatal: WeeChat can not run without a home
* directory.
*/

void
weechat_create_home_dir ()
{
char *ptr_weechat_home, *config_weechat_home;
struct stat statinfo;

/* weechat home is not set yet. Look for environment variable WEECHAT_HOME */
if (!weechat_home)
{
ptr_weechat_home = getenv ("WEECHAT_HOME");

/* Proceed only if environment variable WEECHAT_HOME is set to some value */
if (ptr_weechat_home && strlen (ptr_weechat_home) != 0)
{
weechat_home = strdup (config_weechat_home);
weechat_create_home_dir_set_path (ptr_weechat_home);
}
}

/* If weechat_home is still not set, try to use compile time default */
if (!weechat_home)
{
config_weechat_home = WEECHAT_HOME;

if (!weechat_home)
if (strlen (config_weechat_home) == 0)
{
string_iconv_fprintf (stderr,
_("Error: not enough memory for home "
"directory\n"));
_("Error: WEECHAT_HOME is undefined, check "
"build options\n"));
weechat_shutdown (EXIT_FAILURE, 0);
/* make C static analyzer happy (never executed) */
return;
}

weechat_create_home_dir_set_path (config_weechat_home);
}

/* if home already exists, it has to be a directory */
Expand Down