mirror of https://github.com/ventoy/Ventoy.git
147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
#ifndef __FAT_FILELIB_H__
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#define __FAT_FILELIB_H__
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#include "fat_opts.h"
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#include "fat_access.h"
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#include "fat_list.h"
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//-----------------------------------------------------------------------------
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// Defines
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//-----------------------------------------------------------------------------
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef EOF
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#define EOF (-1)
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#endif
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//-----------------------------------------------------------------------------
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// Structures
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//-----------------------------------------------------------------------------
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struct sFL_FILE;
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struct cluster_lookup
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{
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uint32 ClusterIdx;
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uint32 CurrentCluster;
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};
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typedef struct sFL_FILE
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{
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uint32 parentcluster;
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uint32 startcluster;
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uint32 bytenum;
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uint32 filelength;
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int filelength_changed;
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char path[FATFS_MAX_LONG_FILENAME];
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char filename[FATFS_MAX_LONG_FILENAME];
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uint8 shortfilename[11];
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#ifdef FAT_CLUSTER_CACHE_ENTRIES
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uint32 cluster_cache_idx[FAT_CLUSTER_CACHE_ENTRIES];
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uint32 cluster_cache_data[FAT_CLUSTER_CACHE_ENTRIES];
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#endif
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// Cluster Lookup
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struct cluster_lookup last_fat_lookup;
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// Read/Write sector buffer
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uint8 file_data_sector[FAT_SECTOR_SIZE];
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uint32 file_data_address;
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int file_data_dirty;
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// File fopen flags
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uint8 flags;
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#define FILE_READ (1 << 0)
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#define FILE_WRITE (1 << 1)
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#define FILE_APPEND (1 << 2)
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#define FILE_BINARY (1 << 3)
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#define FILE_ERASE (1 << 4)
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#define FILE_CREATE (1 << 5)
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struct fat_node list_node;
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} FL_FILE;
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//-----------------------------------------------------------------------------
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// Prototypes
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//-----------------------------------------------------------------------------
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// External
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void fl_init(void);
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void fl_attach_locks(void (*lock)(void), void (*unlock)(void));
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int fl_attach_media(fn_diskio_read rd, fn_diskio_write wr);
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void fl_shutdown(void);
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// Standard API
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void* fl_fopen(const char *path, const char *modifiers);
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void fl_fclose(void *file);
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int fl_fflush(void *file);
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int fl_fgetc(void *file);
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char * fl_fgets(char *s, int n, void *f);
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int fl_fputc(int c, void *file);
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int fl_fputs(const char * str, void *file);
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int fl_fwrite(const void * data, int size, int count, void *file );
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int fl_fread(void * data, int size, int count, void *file );
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int fl_fseek(void *file , long offset , int origin );
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int fl_fgetpos(void *file , uint32 * position);
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long fl_ftell(void *f);
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int fl_feof(void *f);
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int fl_remove(const char * filename);
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// Equivelant dirent.h
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typedef struct fs_dir_list_status FL_DIR;
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typedef struct fs_dir_ent fl_dirent;
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FL_DIR* fl_opendir(const char* path, FL_DIR *dir);
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int fl_readdir(FL_DIR *dirls, fl_dirent *entry);
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int fl_closedir(FL_DIR* dir);
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// Extensions
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void fl_listdirectory(const char *path);
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int fl_createdirectory(const char *path);
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int fl_is_dir(const char *path);
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int fl_format(uint32 volume_sectors, const char *name);
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// Test hooks
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#ifdef FATFS_INC_TEST_HOOKS
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struct fatfs* fl_get_fs(void);
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#endif
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//-----------------------------------------------------------------------------
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// Stdio file I/O names
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//-----------------------------------------------------------------------------
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#ifdef USE_FILELIB_STDIO_COMPAT_NAMES
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#define FILE FL_FILE
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#define fopen(a,b) fl_fopen(a, b)
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#define fclose(a) fl_fclose(a)
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#define fflush(a) fl_fflush(a)
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#define fgetc(a) fl_fgetc(a)
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#define fgets(a,b,c) fl_fgets(a, b, c)
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#define fputc(a,b) fl_fputc(a, b)
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#define fputs(a,b) fl_fputs(a, b)
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#define fwrite(a,b,c,d) fl_fwrite(a, b, c, d)
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#define fread(a,b,c,d) fl_fread(a, b, c, d)
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#define fseek(a,b,c) fl_fseek(a, b, c)
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#define fgetpos(a,b) fl_fgetpos(a, b)
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#define ftell(a) fl_ftell(a)
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#define feof(a) fl_feof(a)
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#define remove(a) fl_remove(a)
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#define mkdir(a) fl_createdirectory(a)
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#define rmdir(a) 0
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#endif
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#endif
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