void arcan_set_namespace_defaults()
{
/* when CWD is correctly set to the installation path */
char* respath = "./resources";
size_t len = strlen(respath);
/* typically inside build-directory */
if (!arcan_isdir(respath)){
respath = "../resources";
}
char debug_dir[ len + sizeof("/logs") ];
char state_dir[ len + sizeof("/savestates") ];
char font_dir[ len + sizeof("/fonts") ];
snprintf(debug_dir, sizeof(debug_dir), "%s/logs", respath);
snprintf(state_dir, sizeof(state_dir), "%s/savestates", respath);
snprintf(font_dir, sizeof(font_dir), "%s/fonts", respath);
arcan_softoverride_namespace(respath, RESOURCE_APPL_SHARED);
arcan_softoverride_namespace(state_dir, RESOURCE_SYS_APPLSTATE);
arcan_softoverride_namespace(debug_dir, RESOURCE_SYS_DEBUG);
arcan_softoverride_namespace(font_dir, RESOURCE_SYS_FONT);
arcan_softoverride_namespace("./", RESOURCE_SYS_BINS);
arcan_softoverride_namespace("./", RESOURCE_SYS_LIBS);
}
char* arcan_find_resource(const char* label,
enum arcan_namespaces space, enum resource_type ares)
{
if (label == NULL || verify_traverse(label) == NULL)
return NULL;
size_t label_len = strlen(label);
for (int i = 1, j = 0; i <= RESOURCE_SYS_ENDM; i <<= 1, j++){
if ((space & i) == 0 || !namespaces.paths[j])
continue;
char scratch[ namespaces.lenv[j] + label_len + 2 ];
snprintf(scratch, sizeof(scratch),
label[0] == '/' ? "%s%s" : "%s/%s",
namespaces.paths[j], label
);
if (
((ares & ARES_FILE) && arcan_isfile(scratch)) ||
((ares & ARES_FOLDER) && arcan_isdir(scratch))
)
return strdup(scratch);
}
return NULL;
}
static char* unix_find(const char* fname)
{
char* res = NULL;
char* pathtbl[] = {
".",
NULL, /* fill in with HOME */
"/usr/local/share/arcan",
"/usr/share/arcan",
NULL /* NULL terminates */
};
if (getenv("HOME")){
size_t len = strlen( getenv("HOME") ) + 9;
pathtbl[1] = malloc(len);
snprintf(pathtbl[1], len, "%s/.arcan", getenv("HOME") );
}
else
pathtbl[1] = strdup("");
size_t fn_l = strlen(fname);
for (char** base = pathtbl; *base != NULL; base++){
char buf[ fn_l + strlen(*base) + 2 ];
snprintf(buf, sizeof(buf), "%s/%s", *base, fname);
if (arcan_isdir(buf)){
res = strdup(buf);
break;
}
}
free(pathtbl[1]);
return res;
}
/*
* current several namespaces are (legacy) specified relative
* to the old resources namespace, since those are expanded in
* set_namespace_defaults where the command-line switch isn't
* available, we have to generate these dependent namespaces
* overrides as well.
*/
static void override_resspaces(const char* respath)
{
size_t len = strlen(respath);
if (len == 0 || !arcan_isdir(respath)){
arcan_warning("-p argument ignored, invalid path specified.");
return;
}
char debug_dir[ len + sizeof("/logs") ];
char state_dir[ len + sizeof("/savestates") ];
char font_dir[ len + sizeof("/fonts") ];
snprintf(debug_dir, sizeof(debug_dir), "%s/logs", respath);
snprintf(state_dir, sizeof(state_dir), "%s/savestates", respath);
snprintf(font_dir, sizeof(font_dir), "%s/fonts", respath);
arcan_override_namespace(respath, RESOURCE_APPL_SHARED);
arcan_override_namespace(debug_dir, RESOURCE_SYS_DEBUG);
arcan_override_namespace(state_dir, RESOURCE_APPL_STATE);
arcan_override_namespace(font_dir, RESOURCE_SYS_FONT);
}
