~aleteoryx/muditaos: [EGD-4221] lseek syscall fix (#1028)

dc16684eabe8b1de63764706cffdde4238da3d3f — Lucjan Bryndza 5 years ago fc81412

[EGD-4221] lseek syscall fix (#1028)

lseek return incorrect return value. This patch fix it

Co-authored-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

patch browse .tar.gz

1 files changed, 9 insertions(+), 1 deletions(-)

M module-vfs/src/newlib/vfs_io_syscalls.cpp

M module-vfs/src/newlib/vfs_io_syscalls.cpp => module-vfs/src/newlib/vfs_io_syscalls.cpp +9 -1

@@ 140,7 140,15 @@ namespace vfsn::internal::syscalls
             return -1;
         }
         auto ret = ff_fseek(fil, pos, dir);
-        _errno_  = stdioGET_ERRNO();
+        if (ret) {
+            _errno_ = stdioGET_ERRNO();
+            return static_cast<off_t>(-1);
+        }
+        ret = ff_ftell(fil);
+        if (ret < 0) {
+            _errno_ = stdioGET_ERRNO();
+            return static_cast<off_t>(-1);
+        }
         return ret;
     }
     int fstat(int &_errno_, int fd, struct stat *pstat)