1 #include <stdio.h> 2 #include <stdlib.h> 3 4 #include <cutils/properties.h> 5 6 #include <sys/system_properties.h> 7 #include "dynarray.h" 8 9 static void record_prop(const char* key, const char* name, void* opaque) 10 { 11 strlist_t* list = opaque; 12 char temp[PROP_VALUE_MAX + PROP_NAME_MAX + 16]; 13 snprintf(temp, sizeof temp, "[%s]: [%s]", key, name); 14 strlist_append_dup(list, temp); 15 } 16 17 static void list_properties(void) 18 { 19 strlist_t list[1] = { STRLIST_INITIALIZER }; 20 21 /* Record properties in the string list */ 22 (void)property_list(record_prop, list); 23 24 /* Sort everything */ 25 strlist_sort(list); 26 27 /* print everything */ 28 STRLIST_FOREACH(list, str, printf("%s\n", str)); 29 30 /* voila */ 31 strlist_done(list); 32 } 33 34 int __system_property_wait(prop_info *pi); 35 36 int getprop_main(int argc, char *argv[]) 37 { 38 int n = 0; 39 40 if (argc == 1) { 41 list_properties(); 42 } else { 43 char value[PROPERTY_VALUE_MAX]; 44 char *default_value; 45 if(argc > 2) { 46 default_value = argv[2]; 47 } else { 48 default_value = ""; 49 } 50 51 property_get(argv[1], value, default_value); 52 printf("%s\n", value); 53 } 54 return 0; 55 } 56
