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keystore: rephrase the comment to make the usage more clear.

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Change-Id: I529ca7ed443060089c95fe96dd230288be4b6c96
This commit is contained in:
Chia-chi Yeh 2010-03-17 16:31:20 +08:00
parent ab02873e8f
commit 6efed6c20e
1 changed files with 5 additions and 3 deletions
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8
cmds/keystore/keystore_get.h
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@ -32,9 +32,11 @@ extern "C" {
#endif
/* This function is provided for native components to get values from keystore.
* Users are required to link against libcutils. The lengths of keys and values
* are limited to KEYSTORE_MESSAGE_SIZE. This function returns the length of
* the requested value or -1 if something goes wrong. */
* Users are required to link against libcutils. Keys are values are 8-bit safe.
* The first two arguments are the key and its length. The third argument
* specifies the buffer to store the retrieved value, which must be an array of
* KEYSTORE_MESSAGE_SIZE bytes. This function returns the length of the value or
* -1 if an error happens. */
static int keystore_get(const char *key, int length, char *value)
{
uint8_t bytes[2] = {length >> 8, length};