68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
#ifndef LIBAOS_BUF_H
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#define LIBAOS_BUF_H
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#include "aos_define.h"
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#include "aos_list.h"
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AOS_CPP_START
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typedef struct {
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aos_list_t node;
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uint8_t *pos;
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uint8_t *last;
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uint8_t *start;
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uint8_t *end;
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} aos_buf_t;
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typedef struct {
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aos_list_t node;
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int64_t file_pos;
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int64_t file_last;
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apr_file_t *file;
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uint32_t owner:1;
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} aos_file_buf_t;
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aos_buf_t *aos_create_buf(aos_pool_t *p, int size);
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#define aos_buf_size(b) (b->last - b->pos)
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aos_file_buf_t *aos_create_file_buf(aos_pool_t *p);
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aos_buf_t *aos_buf_pack(aos_pool_t *p, const void *data, int size);
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int64_t aos_buf_list_len(aos_list_t *list);
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char *aos_buf_list_content(aos_pool_t *p, aos_list_t *list);
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void aos_buf_append_string(aos_pool_t *p, aos_buf_t *b, const char *str, int len);
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/**
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* @param fb file_pos, file_last equal file_size.
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* @return AOSE_OK success, other failure.
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*/
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int aos_open_file_for_read(aos_pool_t *p, const char *path, aos_file_buf_t *fb);
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int aos_open_file_for_all_read(aos_pool_t *p, const char *path, aos_file_buf_t *fb);
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int aos_open_file_for_range_read(aos_pool_t *p, const char *path,
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int64_t file_pos, int64_t file_last,
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aos_file_buf_t *fb);
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/**
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* create the file if not there, truncate if file exists.
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* @param fb not check file_pos, file_last.
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* @return AOSE_OK success, other failure.
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*/
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int aos_open_file_for_write(aos_pool_t *p, const char *path, aos_file_buf_t *fb);
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/**
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* create the file if not there.
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* @param fb not check file_pos, file_last.
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* @return AOSE_OK success, other failure.
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*/
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int aos_open_file_for_write_notrunc(aos_pool_t *p, const char *path, aos_file_buf_t *fb);
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AOS_CPP_END
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#endif
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