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libpq: Small code clarification, and avoid casting away const

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This commit is contained in:
Peter Eisentraut
2012-03-06 23:20:43 +02:00
parent 19dbc34631
commit e685a8e665
1 changed files with 8 additions and 6 deletions
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14
src/interfaces/libpq/fe-auth.c
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@@ -739,7 +739,8 @@ static int
pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
{
int ret;
char *crypt_pwd;
char *crypt_pwd = NULL;
const char *pwd_to_send;
/* Encrypt the password if needed. */
@@ -771,21 +772,22 @@ pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
free(crypt_pwd);
return STATUS_ERROR;
}
pwd_to_send = crypt_pwd;
break;
}
case AUTH_REQ_PASSWORD:
/* discard const so we can assign it */
crypt_pwd = (char *) password;
pwd_to_send = password;
break;
default:
return STATUS_ERROR;
}
/* Packet has a message type as of protocol 3.0 */
if (PG_PROTOCOL_MAJOR(conn->pversion) >= 3)
ret = pqPacketSend(conn, 'p', crypt_pwd, strlen(crypt_pwd) + 1);
ret = pqPacketSend(conn, 'p', pwd_to_send, strlen(pwd_to_send) + 1);
else
ret = pqPacketSend(conn, 0, crypt_pwd, strlen(crypt_pwd) + 1);
if (areq == AUTH_REQ_MD5)
ret = pqPacketSend(conn, 0, pwd_to_send, strlen(pwd_to_send) + 1);
if (crypt_pwd)
free(crypt_pwd);
return ret;
}