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SPIFFS: Support lseek, stat, fstat

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Support for lseek, stat, fstat added.
Test extended to covert those functions.
This commit is contained in:
sheinz 2016-07-14 16:13:03 +03:00
parent bfa20af855
commit 22654a4de7
3 changed files with 33 additions and 3 deletions
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7
core/newlib_syscalls.c
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@ -88,10 +88,13 @@ int _close_r(struct _reent *r, int fd);
__attribute__((weak, alias("syscall_returns_enosys")))
int _unlink_r(struct _reent *r, const char *path);
__attribute__((alias("syscall_returns_enosys")))
__attribute__((weak, alias("syscall_returns_enosys")))
int _fstat_r(struct _reent *r, int fd, void *buf);
__attribute__((alias("syscall_returns_enosys")))
__attribute__((weak, alias("syscall_returns_enosys")))
int _stat_r(struct _reent *r, const char *pathname, void *buf);
__attribute__((weak, alias("syscall_returns_enosys")))
off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence);
/* Generic stub for any newlib syscall that fails with errno ENOSYS

2
examples/posix_fs/fs-test

@ -1 +1 @@
Subproject commit 218c5235584429f407d619e5e35f90732ad505f3
Subproject commit 12b10230cc56970857e6890bdd5663fbae74c4c3

27
extras/spiffs/esp_spiffs.c
View file

@ -253,3 +253,30 @@ int _unlink_r(struct _reent *r, const char *path)
{
return SPIFFS_remove(&fs, path);
}
int _fstat_r(struct _reent *r, int fd, void *buf)
{
spiffs_stat s;
struct stat *sb = (struct stat*)buf;
int result = SPIFFS_fstat(&fs, (spiffs_file)(fd - FD_OFFSET), &s);
sb->st_size = s.size;
return result;
}
int _stat_r(struct _reent *r, const char *pathname, void *buf)
{
spiffs_stat s;
struct stat *sb = (struct stat*)buf;
int result = SPIFFS_stat(&fs, pathname, &s);
sb->st_size = s.size;
return result;
}
off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence)
{
return SPIFFS_lseek(&fs, (spiffs_file)(fd - FD_OFFSET), offset, whence);
}