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Fix use of SLFS from TI libc "device" interface

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PUBLISHED_FROM=e1bb89268dfc4d51880b89b07fb2f69cb49e053b
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Deomid Ryabkov 2016-11-24 12:34:12 +00:00 committed by Cesanta Bot
parent 731ea5d50d
commit 44f7b91826
1 changed files with 25 additions and 5 deletions
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mongoose.c
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@ -11977,7 +11977,9 @@ void fs_slfs_set_new_file_size(const char *name, size_t size);
/* Amalgamated: #include "common/cs_dbg.h" */
extern int set_errno(int e); /* From sl_fs.c */
/* From sl_fs.c */
extern int set_errno(int e);
static const char *drop_dir(const char *fname, bool *is_slfs);
/*
* With SLFS, you have to pre-declare max file size. Yes. Really.
@ -12031,6 +12033,12 @@ int fs_slfs_open(const char *pathname, int flags, mode_t mode) {
if (fd >= MAX_OPEN_SLFS_FILES) return set_errno(ENOMEM);
struct sl_fd_info *fi = &s_sl_fds[fd];
/*
* Apply path manipulations again, in case we got here directly
* (via TI libc's "add_device").
*/
pathname = drop_dir(pathname, NULL);
_u32 am = 0;
fi->size = (size_t) -1;
int rw = (flags & 3);
@ -12117,6 +12125,11 @@ ssize_t fs_slfs_write(int fd, const void *buf, size_t count) {
int fs_slfs_stat(const char *pathname, struct stat *s) {
SlFsFileInfo_t sl_fi;
/*
* Apply path manipulations again, in case we got here directly
* (via TI libc's "add_device").
*/
pathname = drop_dir(pathname, NULL);
_i32 r = sl_FsGetInfo((const _u8 *) pathname, 0, &sl_fi);
if (r == SL_FS_OK) {
s->st_mode = S_IFREG | 0666;
@ -12152,8 +12165,13 @@ off_t fs_slfs_lseek(int fd, off_t offset, int whence) {
return 0;
}
int fs_slfs_unlink(const char *filename) {
return set_errno(sl_fs_to_errno(sl_FsDel((const _u8 *) filename, 0)));
int fs_slfs_unlink(const char *pathname) {
/*
* Apply path manipulations again, in case we got here directly
* (via TI libc's "add_device").
*/
pathname = drop_dir(pathname, NULL);
return set_errno(sl_fs_to_errno(sl_FsDel((const _u8 *) pathname, 0)));
}
int fs_slfs_rename(const char *from, const char *to) {
@ -12227,8 +12245,10 @@ int set_errno(int e) {
}
static const char *drop_dir(const char *fname, bool *is_slfs) {
*is_slfs = (strncmp(fname, "SL:", 3) == 0);
if (*is_slfs) fname += 3;
if (is_slfs != NULL) {
*is_slfs = (strncmp(fname, "SL:", 3) == 0);
if (*is_slfs) fname += 3;
}
/* Drop "./", if any */
if (fname[0] == '.' && fname[1] == '/') {
fname += 2;