-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
- *
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
- * Copyright (C) 2006-2009 Brian Aker All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *
- * * The names of its contributors may not be used to endorse or
- * promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-
-#include <libmemcached/common.h>
-
-inline static memcached_return_t _string_check(memcached_string_st *string, size_t need)
-{
- if (need && need > (size_t)(string->current_size - (size_t)(string->end - string->string)))
- {
- size_t current_offset= (size_t) (string->end - string->string);
-
- /* This is the block multiplier. To keep it larger and surive division errors we must round it up */
- size_t adjust= (need - (size_t)(string->current_size - (size_t)(string->end - string->string))) / MEMCACHED_BLOCK_SIZE;
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020 Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
+
+#include "libmemcached/common.h"
+
+inline static memcached_return_t _string_check(memcached_string_st *string, size_t need) {
+ if (need && need > (size_t)(string->current_size - (size_t)(string->end - string->string))) {
+ size_t current_offset = (size_t)(string->end - string->string);
+
+ /* This is the block multiplier. To keep it larger and surive division errors we must round it
+ * up */
+ size_t adjust = (need - (size_t)(string->current_size - (size_t)(string->end - string->string)))
+ / MEMCACHED_BLOCK_SIZE;
adjust++;
- size_t new_size= sizeof(char) * (size_t)((adjust * MEMCACHED_BLOCK_SIZE) + string->current_size);
+ size_t new_size =
+ sizeof(char) * (size_t)((adjust * MEMCACHED_BLOCK_SIZE) + string->current_size);
/* Test for overflow */
- if (new_size < need)
- {
+ if (new_size < need) {
char error_message[1024];
- int error_message_length= snprintf(error_message, sizeof(error_message),"Needed %ld, got %ld", (long)need, (long)new_size);
- return memcached_set_error(*string->root, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, error_message, error_message_length);
+ int error_message_length = snprintf(error_message, sizeof(error_message),
+ "Needed %ld, got %ld", (long) need, (long) new_size);
+ return memcached_set_error(*string->root, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
+ error_message, error_message_length);
}
- char *new_value= libmemcached_xrealloc(string->root, string->string, new_size, char);
+ char *new_value = libmemcached_xrealloc(string->root, string->string, new_size, char);
- if (new_value == NULL)
- {
+ if (new_value == NULL) {
return memcached_set_error(*string->root, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
- string->string= new_value;
- string->end= string->string + current_offset;
+ string->string = new_value;
+ string->end = string->string + current_offset;
- string->current_size+= (MEMCACHED_BLOCK_SIZE * adjust);
+ string->current_size += (MEMCACHED_BLOCK_SIZE * adjust);
}
return MEMCACHED_SUCCESS;
}
-static inline void _init_string(memcached_string_st *self)
-{
- self->current_size= 0;
- self->end= self->string= NULL;
+static inline void _init_string(memcached_string_st *self) {
+ self->current_size = 0;
+ self->end = self->string = NULL;
}
-memcached_string_st *memcached_string_create(Memcached *memc, memcached_string_st *self, size_t initial_size)
-{
+memcached_string_st *memcached_string_create(Memcached *memc, memcached_string_st *self,
+ size_t initial_size) {
WATCHPOINT_ASSERT(memc);
/* Saving malloc calls :) */
- if (self)
- {
+ if (self) {
WATCHPOINT_ASSERT(self->options.is_initialized == false);
memcached_set_allocated(self, false);
- }
- else
- {
- self= libmemcached_xmalloc(memc, memcached_string_st);
+ } else {
+ self = libmemcached_xmalloc(memc, memcached_string_st);
- if (self == NULL)
- {
+ if (self == NULL) {
return NULL;
}
memcached_set_allocated(self, true);
}
- self->root= memc;
+ self->root = memc;
_init_string(self);
- if (memcached_failed(_string_check(self, initial_size)))
- {
- if (memcached_is_allocated(self))
- {
+ if (memcached_failed(_string_check(self, initial_size))) {
+ if (memcached_is_allocated(self)) {
libmemcached_free(memc, self);
}
return self;
}
-static memcached_return_t memcached_string_append_null(memcached_string_st& string)
-{
- if (memcached_failed(_string_check(&string, 1)))
- {
+static memcached_return_t memcached_string_append_null(memcached_string_st &string) {
+ if (memcached_failed(_string_check(&string, 1))) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
- *string.end= 0;
+ *string.end = 0;
return MEMCACHED_SUCCESS;
}
-static memcached_return_t memcached_string_append_null(memcached_string_st *string)
-{
- if (memcached_failed(_string_check(string, 1)))
- {
+static memcached_return_t memcached_string_append_null(memcached_string_st *string) {
+ if (memcached_failed(_string_check(string, 1))) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
- *string->end= 0;
+ *string->end = 0;
return MEMCACHED_SUCCESS;
}
-memcached_return_t memcached_string_append_character(memcached_string_st *string,
- char character)
-{
- if (memcached_failed(_string_check(string, 1)))
- {
+memcached_return_t memcached_string_append_character(memcached_string_st *string, char character) {
+ if (memcached_failed(_string_check(string, 1))) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
- *string->end= character;
+ *string->end = character;
string->end++;
return MEMCACHED_SUCCESS;
}
-memcached_return_t memcached_string_append(memcached_string_st *string,
- const char *value, size_t length)
-{
- if (memcached_failed(_string_check(string, length)))
- {
+memcached_return_t memcached_string_append(memcached_string_st *string, const char *value,
+ size_t length) {
+ if (memcached_failed(_string_check(string, length))) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
WATCHPOINT_ASSERT(string->end >= string->string);
memcpy(string->end, value, length);
- string->end+= length;
+ string->end += length;
return MEMCACHED_SUCCESS;
}
-char *memcached_string_c_copy(memcached_string_st *string)
-{
- if (memcached_string_length(string) == 0)
- {
+char *memcached_string_c_copy(memcached_string_st *string) {
+ if (memcached_string_length(string) == 0) {
return NULL;
}
- char *c_ptr= static_cast<char *>(libmemcached_malloc(string->root, (memcached_string_length(string)+1) * sizeof(char)));
+ char *c_ptr = static_cast<char *>(
+ libmemcached_malloc(string->root, (memcached_string_length(string) + 1) * sizeof(char)));
- if (c_ptr == NULL)
- {
+ if (c_ptr == NULL) {
return NULL;
}
memcpy(c_ptr, memcached_string_value(string), memcached_string_length(string));
- c_ptr[memcached_string_length(string)]= 0;
+ c_ptr[memcached_string_length(string)] = 0;
return c_ptr;
}
-bool memcached_string_set(memcached_string_st& string, const char* value, size_t length)
-{
+bool memcached_string_set(memcached_string_st &string, const char *value, size_t length) {
memcached_string_reset(&string);
- if (memcached_success(memcached_string_append(&string, value, length)))
- {
+ if (memcached_success(memcached_string_append(&string, value, length))) {
memcached_string_append_null(string);
return true;
}
return false;
}
-void memcached_string_reset(memcached_string_st *string)
-{
- string->end= string->string;
+void memcached_string_reset(memcached_string_st *string) {
+ string->end = string->string;
}
-void memcached_string_free(memcached_string_st& ptr)
-{
+void memcached_string_free(memcached_string_st &ptr) {
memcached_string_free(&ptr);
}
-void memcached_string_free(memcached_string_st *ptr)
-{
- if (ptr == NULL)
- {
+void memcached_string_free(memcached_string_st *ptr) {
+ if (ptr == NULL) {
return;
}
- if (ptr->string)
- {
+ if (ptr->string) {
libmemcached_free(ptr->root, ptr->string);
}
- if (memcached_is_allocated(ptr))
- {
+ if (memcached_is_allocated(ptr)) {
libmemcached_free(ptr->root, ptr);
- }
- else
- {
- ptr->options.is_initialized= false;
+ } else {
+ ptr->options.is_initialized = false;
}
}
-memcached_return_t memcached_string_check(memcached_string_st *string, size_t need)
-{
+memcached_return_t memcached_string_check(memcached_string_st *string, size_t need) {
return _string_check(string, need);
}
-bool memcached_string_resize(memcached_string_st& string, const size_t need)
-{
+bool memcached_string_resize(memcached_string_st &string, const size_t need) {
return memcached_success(_string_check(&string, need));
}
-size_t memcached_string_length(const memcached_string_st *self)
-{
- return size_t(self->end -self->string);
+size_t memcached_string_length(const memcached_string_st *self) {
+ return size_t(self->end - self->string);
}
-size_t memcached_string_length(const memcached_string_st& self)
-{
- return size_t(self.end -self.string);
+size_t memcached_string_length(const memcached_string_st &self) {
+ return size_t(self.end - self.string);
}
-size_t memcached_string_size(const memcached_string_st *self)
-{
+size_t memcached_string_size(const memcached_string_st *self) {
return self->current_size;
}
-const char *memcached_string_value(const memcached_string_st *self)
-{
+const char *memcached_string_value(const memcached_string_st *self) {
return self->string;
}
-const char *memcached_string_value(const memcached_string_st& self)
-{
+const char *memcached_string_value(const memcached_string_st &self) {
return self.string;
}
-char *memcached_string_take_value(memcached_string_st *self)
-{
- char* value= NULL;
+char *memcached_string_take_value(memcached_string_st *self) {
+ char *value = NULL;
assert_msg(self, "Invalid memcached_string_st");
- if (self)
- {
- if (memcached_string_length(self))
- {
+ if (self) {
+ if (memcached_string_length(self)) {
// If we fail at adding the null, we copy and move on
- if (memcached_failed(memcached_string_append_null(self)))
- {
+ if (memcached_failed(memcached_string_append_null(self))) {
return NULL;
}
- value= self->string;
+ value = self->string;
_init_string(self);
}
}
return value;
}
-char *memcached_string_value_mutable(const memcached_string_st *self)
-{
+char *memcached_string_value_mutable(const memcached_string_st *self) {
return self->string;
}
-char *memcached_string_c_str(memcached_string_st& self)
-{
+char *memcached_string_c_str(memcached_string_st &self) {
return self.string;
}
-void memcached_string_set_length(memcached_string_st *self, size_t length)
-{
- self->end= self->string +length;
+void memcached_string_set_length(memcached_string_st *self, size_t length) {
+ self->end = self->string + length;
}
-void memcached_string_set_length(memcached_string_st& self, const size_t length)
-{
+void memcached_string_set_length(memcached_string_st &self, const size_t length) {
assert(self.current_size >= length);
- size_t set_length= length;
- if (self.current_size > length)
- {
- if (memcached_failed(_string_check(&self, length)))
- {
- set_length= self.current_size;
+ size_t set_length = length;
+ if (self.current_size > length) {
+ if (memcached_failed(_string_check(&self, length))) {
+ set_length = self.current_size;
}
}
- self.end= self.string +set_length;
+ self.end = self.string + set_length;
}