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Rename get_key_size_strlen() to int_log10().

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because that's what the function does
This commit is contained in:
Ondrej Kozina
2018-08-24 13:53:51 +02:00
committed by Milan Broz
parent d41b1a7560
commit 7ab419701c
1 changed files with 7 additions and 10 deletions
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17
lib/libdevmapper.c
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@@ -376,15 +376,12 @@ static void hex_key(char *hexkey, size_t key_size, const char *key)
sprintf(&hexkey[i * 2], "%02x", (unsigned char)key[i]);
}
/* get string length for key_size written in decimal system */
static size_t get_key_size_strlen(size_t key_size)
static size_t int_log10(size_t x)
{
size_t ret = 1;
while ((key_size /= 10))
ret++;
return ret;
size_t r = 0;
for (x /= 10; x > 0; x /= 10)
r++;
return r;
}
#define CLEN 64 /* 2*MAX_CIPHER_LEN */
@@ -561,7 +558,7 @@ static char *get_dm_crypt_params(struct crypt_dm_active_device *dmd, uint32_t fl
null_cipher = 1;
if (flags & CRYPT_ACTIVATE_KEYRING_KEY) {
keystr_len = strlen(dmd->u.crypt.vk->key_description) + get_key_size_strlen(dmd->u.crypt.vk->keylength) + 9;
keystr_len = strlen(dmd->u.crypt.vk->key_description) + int_log10(dmd->u.crypt.vk->keylength) + 10;
hexkey = crypt_safe_alloc(keystr_len);
} else
hexkey = crypt_safe_alloc(null_cipher ? 2 : (dmd->u.crypt.vk->keylength * 2 + 1));
@@ -2131,7 +2128,7 @@ int dm_resume_and_reinstate_key(struct crypt_device *cd, const char *name,
goto out;
if (vk->key_description)
msg_size = strlen(vk->key_description) + get_key_size_strlen(vk->keylength) + 17;
msg_size = strlen(vk->key_description) + int_log10(vk->keylength) + 18;
else
msg_size = vk->keylength * 2 + 10; // key set <key>