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#include "e.h"
static const char *_e_user_homedir = NULL;
static size_t _e_user_homedir_len = 0;
/* externally accessible functions */
EAPI const char *
e_user_homedir_get(void)
{
char *d;
if (_e_user_homedir)
return _e_user_homedir;
_e_user_homedir = d = getenv("HOME");
if (!_e_user_homedir)
{
_e_user_homedir = "/tmp";
_e_user_homedir_len = sizeof("/tmp") - 1;
return _e_user_homedir;
}
_e_user_homedir_len = strlen(_e_user_homedir);
while ((_e_user_homedir_len > 1) &&
(d[_e_user_homedir_len - 1] == '/'))
{
_e_user_homedir_len--;
d[_e_user_homedir_len] = '\0';
}
return _e_user_homedir;
}
/**
* Concatenate '~/' and @a path.
*
* @return similar to snprintf(), this returns the number of bytes written or
* that would be required to write if greater or equal than size.
*/
EAPI size_t
e_user_homedir_concat_len(char *dst, size_t size, const char *path, size_t path_len)
{
if (!_e_user_homedir)
e_user_homedir_get();
return eina_str_join_len(dst, size, '/', _e_user_homedir, _e_user_homedir_len, path, path_len);
}
EAPI size_t
e_user_homedir_concat(char *dst, size_t size, const char *path)
{
return e_user_homedir_concat_len(dst, size, path, strlen(path));
}
/**
* same as snprintf("~/"fmt, ...).
*/
EAPI size_t
e_user_homedir_snprintf(char *dst, size_t size, const char *fmt, ...)
{
size_t off, ret;
va_list ap;
if (!_e_user_homedir)
e_user_homedir_get();
if (!_e_user_homedir)
return 0;
va_start(ap, fmt);
off = _e_user_homedir_len + 1;
if (size < _e_user_homedir_len + 2)
{
if (size > 1)
{
memcpy(dst, _e_user_homedir, size - 1);
dst[size - 1] = '\0';
}
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}
memcpy(dst, _e_user_homedir, _e_user_homedir_len);
dst[_e_user_homedir_len] = '/';
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}
/**
* Return the directory where user .desktop files should be stored.
* If the directory does not exist, it will be created. If it cannot be
* created, a dialog will be displayed an NULL will be returned
*/
EAPI const char *
e_user_desktop_dir_get(void)
{
static char dir[PATH_MAX] = "";
if (!dir[0])
snprintf(dir, sizeof(dir), "%s/applications", efreet_data_home_get());
return dir;
}
/**
* Return the directory where user .icon files should be stored.
* If the directory does not exist, it will be created. If it cannot be
* created, a dialog will be displayed an NULL will be returned
*/
EAPI const char *
e_user_icon_dir_get(void)
{
static char dir[PATH_MAX] = "";
if (!dir[0])
snprintf(dir, sizeof(dir), "%s/icons", efreet_data_home_get());
return dir;
}
static const char *_e_user_dir = NULL;
static size_t _e_user_dir_len = 0;
/**
* Return ~/.e/e
*/
EAPI const char *
e_user_dir_get(void)
{
static char dir[PATH_MAX] = "";
static char buf[PATH_MAX] = "";
if (!dir[0])
{
char *e_home = getenv("E_HOME");
if (e_home)
{
snprintf(buf, sizeof(buf), "%s/e", e_home);
}
else
{
snprintf(buf, sizeof(buf), ".e/e");
}
_e_user_dir_len = e_user_homedir_concat(dir, sizeof(dir), buf);
_e_user_dir = dir;
}
return dir;
}
/**
* Concatenate '~/.e/e' and @a path.
*
* @return similar to snprintf(), this returns the number of bytes written or
* that would be required to write if greater or equal than size.
*/
EAPI size_t
e_user_dir_concat_len(char *dst, size_t size, const char *path, size_t path_len)
{
if (!_e_user_dir)
e_user_dir_get();
return eina_str_join_len(dst, size, '/', _e_user_dir, _e_user_dir_len, path, path_len);
}
EAPI size_t
e_user_dir_concat(char *dst, size_t size, const char *path)
{
return e_user_dir_concat_len(dst, size, path, strlen(path));
}
/**
* same as snprintf("~/.e/e/"fmt, ...).
*/
EAPI size_t
e_user_dir_snprintf(char *dst, size_t size, const char *fmt, ...)
{
size_t off, ret;
va_list ap;
if (!_e_user_dir)
e_user_dir_get();
if (!_e_user_dir)
return 0;
va_start(ap, fmt);
off = _e_user_dir_len + 1;
if (size < _e_user_dir_len + 2)
{
if (size > 1)
{
memcpy(dst, _e_user_dir, size - 1);
dst[size - 1] = '\0';
}
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}
memcpy(dst, _e_user_dir, _e_user_dir_len);
dst[_e_user_dir_len] = '/';
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}
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