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Get rid of unused variables.

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copied_key and copied_salt are assigned with NULL and never used
otherwise. Remove the two variables and related code.

Reviewed by:	pfg
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D16314
This commit is contained in:
Xin LI
2018-07-20 07:07:27 +00:00
committed by Sebastian Huber
parent 6fe3acd0d7
commit 1acb1925e9
2 changed files with 2 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
cpukit/libcrypt/crypt-sha256.c
View File

@@ -69,15 +69,12 @@ crypt_sha256_r(const char *key, const char *salt, struct crypt_data *data)
uint8_t alt_result[32], temp_result[32];
SHA256_CTX ctx, alt_ctx;
size_t salt_len, key_len, cnt, rounds;
char *cp, *copied_key, *copied_salt, *p_bytes, *s_bytes, *endp;
char *cp, *p_bytes, *s_bytes, *endp;
const char *num;
bool rounds_custom;
char *buffer = &data->buffer[0];
int buflen = (int)sizeof(data->buffer);
copied_key = NULL;
copied_salt = NULL;
/* Default number of rounds. */
rounds = ROUNDS_DEFAULT;
rounds_custom = false;
@@ -262,10 +259,6 @@ crypt_sha256_r(const char *key, const char *salt, struct crypt_data *data)
memset(s_bytes, '\0', salt_len);
memset(&ctx, '\0', sizeof(ctx));
memset(&alt_ctx, '\0', sizeof(alt_ctx));
if (copied_key != NULL)
memset(copied_key, '\0', key_len);
if (copied_salt != NULL)
memset(copied_salt, '\0', salt_len);
return buffer;
}

9
cpukit/libcrypt/crypt-sha512.c
View File

@@ -69,15 +69,12 @@ crypt_sha512_r(const char *key, const char *salt, struct crypt_data *data)
uint8_t alt_result[64], temp_result[64];
SHA512_CTX ctx, alt_ctx;
size_t salt_len, key_len, cnt, rounds;
char *cp, *copied_key, *copied_salt, *p_bytes, *s_bytes, *endp;
char *cp, *p_bytes, *s_bytes, *endp;
const char *num;
bool rounds_custom;
char *buffer = &data->buffer[0];
int buflen = (int)sizeof(data->buffer);
copied_key = NULL;
copied_salt = NULL;
/* Default number of rounds. */
rounds = ROUNDS_DEFAULT;
rounds_custom = false;
@@ -274,10 +271,6 @@ crypt_sha512_r(const char *key, const char *salt, struct crypt_data *data)
memset(s_bytes, '\0', salt_len);
memset(&ctx, '\0', sizeof(ctx));
memset(&alt_ctx, '\0', sizeof(alt_ctx));
if (copied_key != NULL)
memset(copied_key, '\0', key_len);
if (copied_salt != NULL)
memset(copied_salt, '\0', salt_len);
return buffer;
}