char *
msys2_get_relocated_path_list(char const * paths)
{
char win_part[MAX_PATH];
get_executable_path (NULL, &win_part[0], MAX_PATH);
strip_n_suffix_folders (&win_part[0], 2); /* 2 because the file name is present. */
char **arr = NULL;
size_t count = split_path_list(paths, ':', &arr);
int result_size = 1 + (count - 1); /* count - 1 is for ; delim. */
size_t i;
for (i = 0; i < count; ++i)
{
arr[i] = (char *) strip_n_prefix_folders (arr[i], 1);
result_size += strlen (arr[i]) + strlen (win_part);
}
char * result = (char *) malloc (result_size);
if (result == NULL)
{
return NULL;
}
result[0] = '\0';
for (i = 0; i < count; ++i)
{
strcat (result, win_part);
strcat (result, arr[i]);
if (i != count-1)
{
strcat (result, ";");
}
}
free ((void*)arr);
return result;
}
void
update_path_env(int force)
{
if(path_env_was_changed(force))
{
append_scripts_dirs();
split_path_list();
}
}
char *
get_relocated_path_list(char const * from, char const * to_path_list)
{
char exe_path[MAX_PATH];
char * temp;
get_executable_path (NULL, &exe_path[0], sizeof (exe_path) / sizeof (exe_path[0]));
if ((temp = strrchr (exe_path, '/')) != NULL)
{
temp[1] = '\0';
}
char **arr = NULL;
/* Ask Alexey why he added this. Are we not 100% sure
that we're dealing with unix paths here? */
char split_char = ':';
if (strchr (to_path_list, ';'))
{
split_char = ';';
}
size_t count = split_path_list (to_path_list, split_char, &arr);
int result_size = 1 + (count - 1); /* count - 1 is for ; delim. */
size_t exe_path_size = strlen (exe_path);
size_t i;
/* Space required is:
count * (exe_path_size + strlen (rel_to_datadir))
rel_to_datadir upper bound is:
(count * strlen (from)) + (3 * num_slashes (from))
+ strlen(arr[i]) + 1.
.. pathalogically num_slashes (from) is strlen (from)
(from = ////////) */
size_t space_required = (count * (exe_path_size + 4 * strlen (from))) + count - 1;
for (i = 0; i < count; ++i)
{
space_required += strlen (arr[i]);
}
char * scratch = (char *) alloca (space_required);
if (scratch == NULL)
return NULL;
for (i = 0; i < count; ++i)
{
char * rel_to_datadir = get_relative_path (from, arr[i]);
scratch[0] = '\0';
arr[i] = scratch;
strcat (scratch, exe_path);
strcat (scratch, rel_to_datadir);
simplify_path (arr[i]);
size_t arr_i_size = strlen (arr[i]);
result_size += arr_i_size;
scratch = arr[i] + arr_i_size + 1;
}
char * result = (char *) malloc (result_size);
if (result == NULL)
{
return NULL;
}
result[0] = '\0';
for (i = 0; i < count; ++i)
{
strcat (result, arr[i]);
if (i != count-1)
{
#if defined(_WIN32)
strcat (result, ";");
#else
strcat (result, ":");
#endif
}
}
free ((void*)arr);
return result;
}
