diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h b/drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h deleted file mode 100644 index 84efbbe78650..000000000000 --- a/drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * 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__ */ |