media: atomisp: get rid of a string_support.h abstraction layer (662fb4fc) · Commits · EulixOS / Software / Kernel

drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h

deleted100644 → 0

+0 −165

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0 */
		/*
		* Support for Intel Camera Imaging ISP subsystem.
		* Copyright (c) 2015, Intel Corporation.
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms and conditions of the GNU General Public License,
		* version 2, as published by the Free Software Foundation.
		*
		* This program is distributed in the hope it will be useful, but WITHOUT
		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
		* more details.
		*/

		#ifndef __STRING_SUPPORT_H_INCLUDED__
		#define __STRING_SUPPORT_H_INCLUDED__
		#include <platform_support.h>
		#include <type_support.h>

		/*
		* For all non microsoft cases, we need the following functions
		*/

		/* @brief Copy from src_buf to dest_buf.
		*
		* @param[out] dest_buf. Destination buffer to copy to
		* @param[in] dest_size. The size of the destination buffer in bytes
		* @param[in] src_buf. The source buffer
		* @param[in] src_size. The size of the source buffer in bytes
		* @return 0 on success, error code on failure
		* @return -EINVAL on Invalid arguments
		* @return ERANGE on Destination size too small
		*/
		static inline int memcpy_s(
		void *dest_buf,
		size_t dest_size,
		const void *src_buf,
		size_t src_size)
		{
		if ((!src_buf) \|\| (!dest_buf)) {
		/* Invalid arguments*/
		return -EINVAL;
		}

		if ((dest_size < src_size) \|\| (src_size == 0)) {
		/* Destination too small*/
		return ERANGE;
		}

		memcpy(dest_buf, src_buf, src_size);
		return 0;
		}

		/* @brief Get the length of the string, excluding the null terminator
		*
		* @param[in] src_str. The source string
		* @param[in] max_len. Look only for max_len bytes in the string
		* @return Return the string length excluding null character
		* @return Return max_len if no null character in the first max_len bytes
		* @return Returns 0 if src_str is NULL
		*/
		static size_t strnlen_s(
		const char *src_str,
		size_t max_len)
		{
		size_t ix;

		if (!src_str) {
		/* Invalid arguments*/
		return 0;
		}

		for (ix = 0; ix < max_len && src_str[ix] != '\0'; ix++)
		;

		/* On Error, it will return src_size == max_len*/
		return ix;
		}

		/* @brief Copy string from src_str to dest_str
		*
		* @param[out] dest_str. Destination buffer to copy to
		* @param[in] dest_size. The size of the destination buffer in bytes
		* @param[in] src_str. The source buffer
		* @param[in] src_size. The size of the source buffer in bytes
		* @return Returns 0 on success
		* @return Returns -EINVAL on invalid arguments
		* @return Returns ERANGE on destination size too small
		*/
		static inline int strncpy_s(
		char *dest_str,
		size_t dest_size,
		const char *src_str,
		size_t src_size)
		{
		size_t len;

		if (!dest_str) {
		/* Invalid arguments*/
		return -EINVAL;
		}

		if ((!src_str) \|\| (dest_size == 0)) {
		/* Invalid arguments*/
		dest_str[0] = '\0';
		return -EINVAL;
		}

		len = strnlen_s(src_str, src_size);

		if (len >= dest_size) {
		/* Destination too small*/
		dest_str[0] = '\0';
		return ERANGE;
		}

		/* dest_str is big enough for the len */
		strncpy(dest_str, src_str, len);
		dest_str[len] = '\0';
		return 0;
		}

		/* @brief Copy string from src_str to dest_str
		*
		* @param[out] dest_str. Destination buffer to copy to
		* @param[in] dest_size. The size of the destination buffer in bytes
		* @param[in] src_str. The source buffer
		* @return Returns 0 on success
		* @return Returns -EINVAL on invalid arguments
		* @return Returns ERANGE on destination size too small
		*/
		static inline int strcpy_s(
		char *dest_str,
		size_t dest_size,
		const char *src_str)
		{
		size_t len;

		if (!dest_str) {
		/* Invalid arguments*/
		return -EINVAL;
		}

		if ((!src_str) \|\| (dest_size == 0)) {
		/* Invalid arguments*/
		dest_str[0] = '\0';
		return -EINVAL;
		}

		len = strnlen_s(src_str, dest_size);

		if (len >= dest_size) {
		/* Destination too small*/
		dest_str[0] = '\0';
		return ERANGE;
		}

		/* dest_str is big enough for the len */
		strncpy(dest_str, src_str, len);
		dest_str[len] = '\0';
		return 0;
		}

		#endif /* __STRING_SUPPORT_H_INCLUDED__ */

drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc_1.0/ia_css_ctc_table.host.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -13,8 +13,9 @@
		* more details.
		*/

		#include <linux/string.h> /* for memcpy() */

		#include <type_support.h>
		#include <string_support.h> /* memcpy */
		#include "system_global.h"
		#include "vamem.h"
		#include "ia_css_types.h"

drivers/staging/media/atomisp/pci/isp/kernels/gc/gc_1.0/ia_css_gc_table.host.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -13,8 +13,9 @@
		* more details.
		*/

		#include <linux/string.h> /* for memcpy() */

		#include <type_support.h>
		#include <string_support.h> /* memcpy */
		#include "system_global.h"
		#include "vamem.h"
		#include "ia_css_types.h"

drivers/staging/media/atomisp/pci/isp/kernels/gc/gc_2/ia_css_gc2_table.host.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -13,8 +13,9 @@
		* more details.
		*/

		#include <linux/string.h> /* for memcpy() */

		#include <type_support.h>
		#include <string_support.h> /* memcpy */
		#include "system_global.h"
		#include "vamem.h"
		#include "ia_css_types.h"

drivers/staging/media/atomisp/pci/isp/kernels/xnr/xnr_1.0/ia_css_xnr_table.host.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -13,8 +13,9 @@
		* more details.
		*/

		#include <linux/string.h> /* for memcpy() */

		#include <type_support.h>
		#include <string_support.h> /* memcpy */
		#include "system_global.h"
		#include "vamem.h"
		#include "ia_css_types.h"