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Merge "Add "import" support to system property files."

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Colin Cross 2014-03-19 20:32:13 +00:00 committed by Gerrit Code Review
commit c383c6d1d8
1 changed files with 59 additions and 24 deletions
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83
init/property_service.c
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@ -439,40 +439,73 @@ void get_property_workspace(int *fd, int *sz)
*sz = pa_workspace.size;
}
static void load_properties(char *data, char *prefix)
{
char *key, *value, *eol, *sol, *tmp;
size_t plen;
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, *fn;
size_t flen = 0;
if (filter) {
flen = strlen(filter);
}
if (prefix)
plen = strlen(prefix);
sol = data;
while((eol = strchr(sol, '\n'))) {
while ((eol = strchr(sol, '\n'))) {
key = sol;
*eol++ = 0;
sol = eol;
value = strchr(key, '=');
if(value == 0) continue;
*value++ = 0;
while (isspace(*key)) key++;
if (*key == '#') continue;
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;
while ((tmp > key) && isspace(*tmp)) *tmp-- = 0;
property_set(key, value);
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) continue;
*value++ = 0;
tmp = value - 2;
while ((tmp > key) && isspace(*tmp)) *tmp-- = 0;
while (isspace(*value)) value++;
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();