am c383c6d1: Merge "Add "import" support to system property files." (12e3639a) · Commits · e / os / android_system_core

init/property_service.c

+57 −22

Original line number	Diff line number	Diff line
		@@ -439,40 +439,73 @@ void get_property_workspace(int fd, int sz)
		*sz = pa_workspace.size;
		}

		static void load_properties(char data, char prefix)
		static void load_properties_from_file(const char , const char );

		/*
		* Filter is used to decide which properties to load: NULL loads all keys,
		* "ro.foo.*" is a prefix match, and "ro.foo.bar" is an exact match.
		*/
		static void load_properties(char data, const char filter)
		{
		char key, value, eol, sol, *tmp;
		size_t plen;
		char key, value, eol, sol, tmp, fn;
		size_t flen = 0;

		if (filter) {
		flen = strlen(filter);
		}

		if (prefix)
		plen = strlen(prefix);
		sol = data;
		while ((eol = strchr(sol, '\n'))) {
		key = sol;
		*eol++ = 0;
		sol = eol;

		while (isspace(*key)) key++;
		if (*key == '#') continue;

		tmp = eol - 2;
		while ((tmp > key) && isspace(tmp)) tmp-- = 0;

		if (!strncmp(key, "import ", 7) && flen == 0) {
		fn = key + 7;
		while (isspace(*fn)) fn++;

		key = strchr(fn, ' ');
		if (key) {
		*key++ = 0;
		while (isspace(*key)) key++;
		}

		load_properties_from_file(fn, key);

		} else {
		value = strchr(key, '=');
		if(value == 0) continue;
		if (!value) continue;
		*value++ = 0;

		while(isspace(*key)) key++;
		if(*key == '#') continue;
		tmp = value - 2;
		while ((tmp > key) && isspace(tmp)) tmp-- = 0;

		if (prefix && strncmp(key, prefix, plen))
		continue;

		while (isspace(*value)) value++;
		tmp = eol - 2;
		while((tmp > value) && isspace(tmp)) tmp-- = 0;

		if (flen > 0) {
		if (filter[flen - 1] == '*') {
		if (strncmp(key, filter, flen - 1)) continue;
		} else {
		if (strcmp(key, filter)) continue;
		}
		}

		property_set(key, value);
		}
		}
		}

		static void load_properties_from_file(const char fn, char prefix)
		/*
		* Filter is used to decide which properties to load: NULL loads all keys,
		* "ro.foo.*" is a prefix match, and "ro.foo.bar" is an exact match.
		*/
		static void load_properties_from_file(const char fn, const char filter)
		{
		char *data;
		unsigned sz;
		@@ -480,7 +513,7 @@ static void load_properties_from_file(const char fn, char prefix)
		data = read_file(fn, &sz);

		if(data != 0) {
		load_properties(data, prefix);
		load_properties(data, filter);
		free(data);
		}
		}
		@@ -592,8 +625,10 @@ void start_property_service(void)

		load_properties_from_file(PROP_PATH_SYSTEM_BUILD, NULL);
		load_properties_from_file(PROP_PATH_SYSTEM_DEFAULT, NULL);
		load_properties_from_file(PROP_PATH_FACTORY, "ro.");
		load_properties_from_file(PROP_PATH_FACTORY, "ro.*");

		load_override_properties();

		/* Read persistent properties after all default values have been loaded. */
		load_persistent_properties();