73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/******************************************************************************
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* Copyright (c) Huawei Technologies Co., Ltd. 2019. All rights reserved.
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* clibcni licensed under the Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v2 for more details.
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* Author: tanyifeng
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* Create: 2019-04-25
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* Description: provide util function definition
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*********************************************************************************/
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#ifndef CLIBCNI_UTILS_H
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#define CLIBCNI_UTILS_H
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#include <unistd.h>
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#include <string.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#define CLIBCNI_BUFFER_SIZE 4096
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#define MB (1 * 1024 * 1024)
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#define CLIBCNI_NUMSTRLEN64_MAXLEN 21
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#define CLIBCNI_DEFAULT_SECURE_DIRECTORY_MODE 0750
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#if __WORDSIZE == 64
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/* current max user memory for 64-machine is 2^47 B */
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#define CLIBCNI_MAX_MEMORY_SIZE ((size_t)1 << 47)
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#else
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/* current max user memory for 32-machine is 2^31 B */
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#define CLIBCNI_MAX_MEMORY_SIZE ((size_t)1 << 31)
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#endif
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bool clibcni_is_null_or_empty(const char *str);
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size_t clibcni_util_array_len(const char * const *array);
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void clibcni_util_free_array(char **array);
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void *clibcni_util_smart_calloc_s(size_t count, size_t unit_size);
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void *clibcni_util_common_calloc_s(size_t size);
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ssize_t clibcni_util_write_nointr(int fd, const void *buf, size_t count);
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ssize_t clibcni_util_read_nointr(int fd, void *buf, size_t count);
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char *clibcni_util_string_join(const char *sep, const char * const *parts, size_t len);
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char *clibcni_util_uint8_join(const char *sep, const char *type, const uint8_t *parts, size_t len);
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int clibcni_util_safe_uint(const char *numstr, unsigned int *converted);
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bool clibcni_util_dir_exists(const char *path);
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int clibcni_util_grow_array(char ***orig_array, size_t *orig_capacity, size_t size, size_t increment);
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char *clibcni_util_strdup_s(const char *src);
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int clibcni_util_validate_absolute_path(const char *path);
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int clibcni_util_validate_name(const char *name);
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int clibcni_util_open(const char *filename, unsigned int flags, mode_t mode);
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int clibcni_util_build_dir(const char *name);
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#endif
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