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Update to newer functions in resetprop

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This commit is contained in:
topjohnwu 2017-04-17 00:35:34 +08:00
parent 73802aabac
commit fe89f9e55e
1 changed files with 9 additions and 5 deletions
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14
jni/resetprop/resetprop.cpp
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@ -80,7 +80,6 @@ int main(int argc, char *argv[]) {
static int verbose = 0;
static bool is_legal_property_name(const char* name, size_t namelen) {
if (namelen >= PROP_NAME_MAX) return false;
if (namelen < 1) return false;
if (name[0] == '.') return false;
if (name[namelen - 1] == '.') return false;
@ -126,14 +125,20 @@ int init_resetprop() {
return 0;
}
static void read_prop_info(void* cookie, const char *name, const char *value, uint32_t serial) {
strcpy((char *) cookie, value);
}
// Get prop by name, return string (should free manually!)
char *getprop(const char *name) {
char value[PROP_VALUE_MAX];
LOGD("restprop: getprop [%s]\n", name);
if (__system_property_get(name, value) == 0) {
const prop_info *pi = __system_property_find(name);
if (pi == NULL) {
LOGE("resetprop: prop not found: [%s]\n", name);
return NULL;
}
char value[PROP_VALUE_MAX];
__system_property_read_callback(pi, read_prop_info, value);
LOGD("resetprop: getprop [%s]: [%s]\n", name, value);
return strdup(value);
}
@ -146,7 +151,6 @@ int setprop2(const char *name, const char *value, int trigger) {
char *check = getprop(name);
if (check) {
LOGD("resetprop: prop [%s] has existing value [%s]\n", name, value);
free(check);
if (trigger) {
if (!strncmp(name, "ro.", 3)) deleteprop(name);