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#include "config.h"
#include <Eina.h>
#include "e_macros.h"
#ifdef E_LOGGING
#include "e_log.h"
#endif
static Eina_Prefix *pfx = NULL;
static const char *_prefix_path_data = NULL;
static unsigned int _prefix_path_data_len = 0;
static void
_env_set(const char *var, const char *val)
{
if (val)
{
#ifdef HAVE_SETENV
setenv(var, val, 1);
#else
char buf[8192];
snprintf(buf, sizeof(buf), "%s=%s", var, val);
putenv(strdup(buf));
#endif
}
else
{
#ifdef HAVE_UNSETENV
unsetenv(var);
#else
if (getenv(var)) putenv(var);
#endif
}
}
/* externally accessible functions */
E_API int
e_prefix_determine(char *argv0)
{
if (pfx) return 1;
pfx = eina_prefix_new(argv0, e_prefix_determine,
"E", "enlightenment", "AUTHORS",
PACKAGE_BIN_DIR,
PACKAGE_LIB_DIR,
PACKAGE_DATA_DIR,
LOCALE_DIR);
if (!pfx) return 0;
_prefix_path_data = eina_prefix_data_get(pfx);
_prefix_path_data_len = strlen(_prefix_path_data);
#ifdef E_LOGGING
INF("=================================");
INF("Enlightenment relocation handling");
INF("=================================");
INF("PREFIX: %s", eina_prefix_get(pfx));
INF("BINDIR: %s", eina_prefix_bin_get(pfx));
INF("LIBDIR: %s", eina_prefix_lib_get(pfx));
INF("DATADIR: %s", eina_prefix_data_get(pfx));
INF("LOCALE: %s", eina_prefix_locale_get(pfx));
INF("=================================");
#else
printf("=================================\n");
printf("Enlightenment relocation handling\n");
printf("=================================\n");
printf("PREFIX: %s\n", eina_prefix_get(pfx));
printf("BINDIR: %s\n", eina_prefix_bin_get(pfx));
printf("LIBDIR: %s\n", eina_prefix_lib_get(pfx));
printf("DATADIR: %s\n", eina_prefix_data_get(pfx));
printf("LOCALE: %s\n", eina_prefix_locale_get(pfx));
printf("=================================\n");
#endif
_env_set("E_PREFIX", eina_prefix_get(pfx));
_env_set("E_BIN_DIR", eina_prefix_bin_get(pfx));
_env_set("E_LIB_DIR", eina_prefix_lib_get(pfx));
_env_set("E_DATA_DIR", eina_prefix_data_get(pfx));
_env_set("E_LOCALE_DIR", eina_prefix_locale_get(pfx));
return 1;
}
EINTERN void
e_prefix_shutdown(void)
{
if (!pfx) return;
_prefix_path_data = NULL;
_prefix_path_data_len = 0;
eina_prefix_free(pfx);
pfx = NULL;
}
E_API void
e_prefix_fallback(void)
{
}
E_API const char *
e_prefix_get(void)
{
return eina_prefix_get(pfx);
}
E_API const char *
e_prefix_locale_get(void)
{
return eina_prefix_locale_get(pfx);
}
E_API const char *
e_prefix_bin_get(void)
{
return eina_prefix_bin_get(pfx);
}
E_API const char *
e_prefix_data_get(void)
{
return eina_prefix_data_get(pfx);
}
E_API const char *
e_prefix_lib_get(void)
{
return eina_prefix_lib_get(pfx);
}
E_API size_t
e_prefix_data_concat_len(char *dst, size_t size, const char *path, size_t path_len)
{
return eina_str_join_len(dst, size, '/', _prefix_path_data, _prefix_path_data_len, path, path_len);
}
E_API size_t
e_prefix_data_concat(char *dst, size_t size, const char *path)
{
return e_prefix_data_concat_len(dst, size, path, strlen(path));
}
E_API size_t EINA_PRINTF(3, 4)
e_prefix_data_snprintf(char *dst, size_t size, const char *fmt, ...)
{
size_t off, ret;
va_list ap;
va_start(ap, fmt);
off = _prefix_path_data_len + 1;
if (size < _prefix_path_data_len + 2)
{
if (size > 1)
{
memcpy(dst, _prefix_path_data, size - 1);
dst[size - 1] = '\0';
}
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}
memcpy(dst, _prefix_path_data, _prefix_path_data_len);
dst[_prefix_path_data_len] = '/';
ret = off + vsnprintf(dst + off, size - off, fmt, ap);
va_end(ap);
return ret;
}