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42 lines
1.2 KiB
42 lines
1.2 KiB
#pragma once
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#include <stdbool.h>
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#include <stddef.h>
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#include "espfsformat.h"
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typedef enum {
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ESPFS_INIT_RESULT_OK,
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ESPFS_INIT_RESULT_NO_IMAGE,
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ESPFS_INIT_RESULT_BAD_ALIGN,
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} EspFsInitResult;
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typedef struct EspFsFile EspFsFile;
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struct EspFsWalk {
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uint32_t hpos;
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};
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typedef struct EspFsWalk EspFsWalk;
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/** Init filesystem walk */
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void espFsWalkInit(EspFsWalk *walk);
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/**
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* Advance in the filesystem walk
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*
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* header - the next file's header is read here
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* namebuf - the name is read here
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* filepos - the file header's pos is copied here, if not NULL
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*/
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bool espFsWalkNext(EspFsWalk *walk, EspFsHeader *header, char *namebuf, size_t namebuf_cap, uint32_t *filepos);
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/** Open a file with header starting at the given position */
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EspFsFile *espFsOpenAt(uint32_t hpos);
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/**
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* Open a file using an already read header and it's offset.
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* This is the same function as espFsOpenAt, but avoids reading the header again if already read.
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*/
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EspFsFile *espFsOpenFromHeader(EspFsHeader *h, uint32_t hpos);
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EspFsInitResult espFsInit();
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EspFsFile *espFsOpen(const char *fileName);
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int espFsFlags(EspFsFile *fh);
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int espFsRead(EspFsFile *fh, char *buff, size_t len);
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void espFsClose(EspFsFile *fh);
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