The file module has functions to assign and flush a file buffer that are equivalents to POSIX API functions (see Listing - File Module Function and Listing - POSIX API Equivalent); the primary difference is the advantage of valuable return error codes to the application.
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void FSFile_BufAssign (FS_FILE *p_file,
void *p_buf,
FS_FLAGS mode,
CPU_SIZE_T size,
FS_ERR *p_err);
void FSFile_BufFlush (FS_FILE *p_file,
FS_ERR *p_err); |
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int fs_setvbuf (FS_FILE *stream,
char *buf,
int mode,
fs_size_t size);
int fs_fflush (FS_FILE *stream); |
For more information about and an example of configuring a file buffer, see Configuring a File Buffer - POSIX.