diff options
Diffstat (limited to 'sdk-modifications/libsrc/fs/fs_api.c')
| -rwxr-xr-x | sdk-modifications/libsrc/fs/fs_api.c | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/sdk-modifications/libsrc/fs/fs_api.c b/sdk-modifications/libsrc/fs/fs_api.c deleted file mode 100755 index b23a450..0000000 --- a/sdk-modifications/libsrc/fs/fs_api.c +++ /dev/null @@ -1,452 +0,0 @@ -//fs_api.c
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <string.h>
-#include <sys/stat.h>
-#include "fs_common.h"
-#include "fatfile.h"
-#include "fatdir.h"
-
-typedef unsigned int size_t;
-typedef unsigned int mode_t;
-
-typedef struct {
- const char* mode; /* mode string */
- unsigned int flag; /* mode flag */
-// unsigned char mode_r; /* READ */
-// unsigned char mode_w; /* WRITE */
-// unsigned char mode_a; /* APPEND */
-// unsigned char mode_c; /* CREATE */
-} _fat_mode_type;
-
-static const _fat_mode_type _fat_valid_mode[] = {
- { "r" , O_RDONLY },
- { "w" , O_WRONLY | O_TRUNC | O_CREAT },
- { "a" , O_WRONLY | O_APPEND | O_CREAT },
- { "rb" , O_RDONLY },
- { "wb" , O_WRONLY | O_TRUNC | O_CREAT },
- { "ab" , O_WRONLY | O_APPEND | O_CREAT },
- { "r+" , O_RDWR },
- { "w+" , O_RDWR | O_TRUNC | O_CREAT },
- { "a+" , O_RDWR | O_APPEND | O_CREAT },
- { "r+b" , O_RDWR },
- { "rb+" , O_RDWR },
- { "w+b" , O_RDWR | O_TRUNC | O_CREAT },
- { "wb+" , O_RDWR | O_TRUNC | O_CREAT },
- { "a+b" , O_RDWR | O_APPEND | O_CREAT },
- { "ab+" , O_RDWR | O_APPEND | O_CREAT }
-};
-
-#define MAX_OPEN_FILE 16
-#define MAX_OPEN_DIR 32
-#define MAX_PWD_LEN 512
-#define MAX_STDIO_BUF_SIZE 2048
-
-#define FAT_VALID_MODE_NUM (sizeof(_fat_valid_mode)/sizeof(_fat_mode_type))
-
-static FILE_STRUCT __FILEs[MAX_OPEN_FILE];
-struct _reent __REENT;
-static DIR_STATE_STRUCT __DIRs[MAX_OPEN_DIR];
-static char __PWD[MAX_PWD_LEN];
-
-int fat_init(void)
-{
- int i, flag;
-
- for(i= 0; i < MAX_OPEN_FILE; i++)
- __FILEs[i].inUse = false;
-
- for(i= 0; i < MAX_OPEN_DIR; i++)
- __DIRs[i].inUse = false;
-
- flag = -1;
- if(_FAT_Init() == true) //success
- flag = 0;
-
- return flag;
-}
-
-FILE_STRUCT* fat_fopen(const char *file, const char *mode)
-{
- int i, k;
- int fd;
- FILE_STRUCT* fp;
-
- for(i= 0; i < MAX_OPEN_FILE; i++)
- if(false == __FILEs[i].inUse) break;
-
- if(i >= MAX_OPEN_FILE)
- {
- __REENT._errno = EMFILE; /* Too many open files */
- return NULL;
- }
-
- for(k = 0; k < FAT_VALID_MODE_NUM; k++)
- if(!strcasecmp(_fat_valid_mode[k].mode, mode)) break;
-
- if(k >= FAT_VALID_MODE_NUM)
- {
- __REENT._errno = EINVAL;
- return NULL;
- }
-
- fd = _FAT_open_r(&__REENT, (void*)&__FILEs[i], file, _fat_valid_mode[k].flag);
- if(-1 == fd) return NULL;
-
- fp = &__FILEs[i];
- fp -> fd = fd;
-
- return fp;
-}
-
-size_t fat_fread(void *buf, size_t size, size_t count, FILE_STRUCT *fp)
-{
- if(0 == size || 0 == count)
- return 0;
-
- int len = _FAT_read_r(&__REENT, fp->fd, (char*)buf, size*count);
- len /= size;
- return len;
-}
-
-size_t fat_fwrite(const void *buf, size_t size, size_t count, FILE_STRUCT *fp)
-{
- if(0 == size || 0 == count)
- return 0;
-
- int len = _FAT_write_r(&__REENT, fp->fd, (const char*)buf, size*count);
- len /= size;
-
- return len;
-}
-
-int fat_fclose(FILE_STRUCT *fp)
-{
- return( _FAT_close_r(&__REENT, fp->fd) );
-}
-
-int fat_fseek(FILE_STRUCT *fp, long offset, int whence)
-{
- int flag;
-
- //When success, _FAT_seek_r return file position pointer
- flag = _FAT_seek_r (&__REENT, fp->fd, (int)offset, whence);
- if(flag > 0) flag = 0;
-
- return flag;
-}
-
-long fat_ftell(FILE_STRUCT *fp)
-{
- return( (long)fp->currentPosition );
-}
-
-int fat_feof(FILE_STRUCT *fp)
-{
- int result;
-
- result = 0;
- if((fp->currentPosition +1) >= (fp->filesize))
- result = -1;
-
- return result;
-}
-
-int fat_ferror(FILE_STRUCT *fp)
-{
- return( __REENT._errno );
-}
-
-void fat_clearerr(FILE_STRUCT *fp)
-{
- fp = fp;
-
- __REENT._errno = 0;
-}
-
-int fat_fflush(FILE_STRUCT *fp)
-{
- return(_FAT_cache_flush(fp->partition->cache));
-}
-
-int fat_fgetc(FILE_STRUCT *fp)
-{
- char ch;
- int result;
-
- result = _FAT_read_r(&__REENT, fp->fd, &ch, 1);
- if(0 == result)
- return EOF;
-
- return ( (int)ch );
-}
-
-char* fat_fgets(char* buf, int n, FILE_STRUCT* fp)
-{
- int m;
- char *s;
-
- buf[0] = '\0';
- if(n <= 1) return buf;
-
- n -= 1;
- m = _FAT_read_r(&__REENT, fp->fd, buf, n);
- if(0 == m) return NULL;
-
- buf[m] = '\0';
- s = strchr((const char*)buf, 0x0A);
-
- if(NULL != s)
- {
- *(++s)= '\0';
- m -= s - buf;
-
- //fix reading pointer
- _FAT_seek_r (&__REENT, fp->fd, -m, SEEK_CUR);
- }
- else if(m == n)
- {
- if(0x0D == buf[n-1]) //0x0D,0x0A
- {
- buf[n-1] = '\0';
- _FAT_seek_r (&__REENT, fp->fd, -1, SEEK_CUR);
- }
- }
-
- return buf;
-}
-
-int fat_fputc(int ch, FILE_STRUCT *fp)
-{
- return( _FAT_write_r(&__REENT, fp->fd, (const char*)&ch, 1) );
-}
-
-int fat_fputs(const char *s, FILE_STRUCT *fp)
-{
- unsigned int len;
-
- len = strlen(s);
- return( _FAT_write_r(&__REENT, fp->fd, s, len) );
-}
-
-int fat_remove(const char *filename)
-{
- return( _FAT_unlink_r (&__REENT, (const char*)filename) );
-}
-
-int fat_rename(const char *oldName, const char *newName)
-{
- return( _FAT_rename_r(&__REENT, oldName, newName) );
-}
-
-int fat_setHidden(const char *name, unsigned char hide){
- return(_FAT_hideAttrib_r (&__REENT, name, hide));
-}
-
-#define S_ISHID(st_mode) ((st_mode & S_IHIDDEN) != 0)
-int fat_isHidden(struct stat *st){
- return S_ISHID(st->st_mode);
-}
-
-int fat_getShortName(const char *fullName, char *outName){
- return(_FAT_getshortname_r (&__REENT, fullName, outName));
-}
-
-
-void fat_rewind(FILE_STRUCT *fp)
-{
- _FAT_seek_r (&__REENT, fp->fd, 0, SEEK_SET);
-}
-
-int fat_fstat(int fildes, struct stat *buf)
-{
- return( _FAT_fstat_r (&__REENT, fildes, buf) );
-}
-
-//int fat_fprintf(FILE_STRUCT *fp, const char *format, ...)
-int fat_fprintf(void* fp, const char *format, ...)
-{
- int ret;
- va_list ap;
- char buf[MAX_STDIO_BUF_SIZE];
-
- if(NULL == fp)
- {
- __REENT._errno = EINVAL;
- return -1;
- }
-
- //FIXME: stderr, stdout
- if((void*)stderr == fp) return 0;
- if((void*)stdout == fp) return 0;
-
- memset(buf, 0, MAX_STDIO_BUF_SIZE);
-
- va_start (ap, format);
- ret = vsnprintf (buf, MAX_STDIO_BUF_SIZE, format, ap);
- va_end (ap);
-
- //if output string too long, it will not put out to file
- if(ret >= MAX_STDIO_BUF_SIZE)
- return -1;
-
- return( _FAT_write_r(&__REENT, ((FILE_STRUCT*)fp)->fd, (const char*)buf, strlen(buf)) );
-}
-
-int fat_fscanf(FILE_STRUCT *fp, const char *format, ...)
-{
- int ret;
- va_list ap;
- char buf[MAX_STDIO_BUF_SIZE];
- char *pt;
-
- if(NULL == fp)
- {
- __REENT._errno = EINVAL;
- return -1;
- }
-
- pt = fat_fgets(buf, MAX_STDIO_BUF_SIZE, fp);
- if(NULL == pt)
- return -1;
-
- va_start (ap, format);
- ret = vsscanf (buf, format, ap);
-
- return ret;
-}
-
-DIR_STATE_STRUCT* fat_opendir(const char *name)
-{
- int i;
-
- for(i = 0; i < MAX_OPEN_DIR; i++)
- {
- if(false == __DIRs[i].inUse) break;
- }
-
- if(i>= MAX_OPEN_DIR)
- {
- __REENT._errno = EMFILE; /* Too many open files */
- return NULL;
- }
-
- return( _FAT_diropen_r(&__REENT, &__DIRs[i], name) );
-}
-
-DIR_ENTRY* fat_readdir(DIR_STATE_STRUCT *dirp)
-{
- int isValid;
-
- isValid = _FAT_dirnext_r (&__REENT, dirp, NULL);
- if(0 != isValid)
- return NULL;
-
- return( &(dirp->currentEntry) );
-}
-
-long int fat_telldir(DIR_STATE_STRUCT *dirp)
-{
- return( dirp->posEntry );
-}
-
-void fat_seekdir(DIR_STATE_STRUCT *dirp, long int loc)
-{
- if (!dirp->inUse) {
- __REENT._errno = EBADF;
- return;
- }
-
- if(0 == loc)
- {
- dirp->posEntry = 0;
- }
- else if(loc > 0)
- {
- while(dirp->posEntry < loc)
- {
- dirp->validEntry = _FAT_directory_getNextEntry (dirp->partition, &(dirp->currentEntry));
- dirp->posEntry += 1;
-
- if(!dirp->validEntry) break;
- }
- }
-
- return;
-}
-
-int fat_closedir(DIR_STATE_STRUCT *dirp)
-{
- return(_FAT_dirclose_r (&__REENT, dirp));
-}
-
-int fat_chdir(const char *path)
-{
- int ret;
- char *pt;
-
- ret = _FAT_chdir_r (&__REENT, path);
- if(0 != ret) return -1;
-
- pt = strchr(path, ':');
- if(pt == NULL)
- strcat(__PWD, path);
- else
- strcpy(__PWD, path);
-
- pt = strchr(__PWD, '\0');
- while(pt-- != __PWD)
- {
- if(pt[0] != DIR_SEPARATOR) break;
- }
-
- pt[1] = DIR_SEPARATOR;
- pt[2] = '\0';
-
- return 0;
-}
-
-char* fat_getcwd(char *buf, size_t size)
-{
- int len;
-
- len = strlen(__PWD);
- if(len >= size)
- {
- __REENT._errno = ERANGE;
- return NULL;
- }
-
- strcpy(buf, __PWD);
- return buf;
-}
-
-int fat_mkdir(const char *path, mode_t mode)
-{
- return( _FAT_mkdir_r(&__REENT, path, mode) );
-}
-
-int fat_rmdir(const char *path)
-{
- return( _FAT_unlink_r(&__REENT, path) );
-}
-
-int fat_lstat(const char *path, struct stat *buf)
-{
- return( _FAT_stat_r (&__REENT, path, buf) );
-}
-
-DIR_ENTRY* fat_readdir_ex(DIR_STATE_STRUCT *dirp, struct stat *statbuf)
-{
- int isValid;
-
- isValid = _FAT_dirnext_r (&__REENT, dirp, statbuf);
- if(0 != isValid)
- return NULL;
-
- return( &(dirp->currentEntry) );
-}
-
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