Revert "ext/sodium: throw exceptions instead of errors"

This reverts commit c05cbd1.

Author: jedisct1

ext/sodium/libsodium.c

@@ -1853,13 +1853,11 @@ PHP_FUNCTION(sodium_crypto_pwhash)
 		return;
 	}
 	if (opslimit < crypto_pwhash_OPSLIMIT_MIN) {
-		zend_throw_exception(sodium_exception_ce,
-							 "number of operations for the password hashing function is too low", 0);
-		return;
+		zend_error(E_ERROR,
+				   "number of operations for the password hashing function is too low");
 	}
 	if (memlimit < crypto_pwhash_MEMLIMIT_MIN) {
-		zend_throw_exception(sodium_exception_ce,
-							 "maximum memory for the password hashing function is too low", 0);
+		zend_error(E_ERROR, "maximum memory for the password hashing function is too low");
 	}
 	hash = zend_string_alloc((size_t) hash_len, 0);
 	ret = -1;
@@ -1918,12 +1916,12 @@ PHP_FUNCTION(sodium_crypto_pwhash_str)
 		zend_error(E_WARNING, "empty password");
 	}
 	if (opslimit < crypto_pwhash_OPSLIMIT_MIN) {
-		zend_throw_exception(sodium_exception_ce,
-							 "number of operations for the password hashing function is too low", 0);
+		zend_error(E_ERROR,
+				   "number of operations for the password hashing function is too low");
 	}
 	if (memlimit < crypto_pwhash_MEMLIMIT_MIN) {
-		zend_throw_exception(sodium_exception_ce,
-							 "maximum memory for the password hashing function is too low", 0);
+		zend_error(E_ERROR,
+				   "maximum memory for the password hashing function is too low");
 	}
 	hash_str = zend_string_alloc(crypto_pwhash_STRBYTES - 1, 0);
 	if (crypto_pwhash_str
@@ -2032,12 +2030,12 @@ PHP_FUNCTION(sodium_crypto_pwhash_scryptsalsa208sha256)
 		return;
 	}
 	if (opslimit < crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE) {
-		zend_throw_exception(sodium_exception_ce,
-							 "number of operations for the scrypt function is too low", 0);
+		zend_error(E_ERROR,
+				   "number of operations for the scrypt function is too low");
 	}
 	if (memlimit < crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE) {
-		zend_throw_exception(sodium_exception_ce,
-							 "maximum memory for the scrypt function is too low", 0);
+		zend_error(E_ERROR,
+				   "maximum memory for the scrypt function is too low");
 	}
 	hash = zend_string_alloc((size_t) hash_len, 0);
 	if (crypto_pwhash_scryptsalsa208sha256
@@ -2079,12 +2077,12 @@ PHP_FUNCTION(sodium_crypto_pwhash_scryptsalsa208sha256_str)
 		zend_error(E_WARNING, "empty password");
 	}
 	if (opslimit < crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE) {
-		zend_throw_exception(sodium_exception_ce,
-							 "number of operations for the scrypt function is too low", 0);
+		zend_error(E_ERROR,
+				   "number of operations for the scrypt function is too low");
 	}
 	if (memlimit < crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE) {
-		zend_throw_exception(sodium_exception_ce,
-							 "maximum memory for the scrypt function is too low", 0);
+		zend_error(E_ERROR,
+				   "maximum memory for the scrypt function is too low");
 	}
 	hash_str = zend_string_alloc
 		(crypto_pwhash_scryptsalsa208sha256_STRBYTES - 1, 0);