Added fpurge before seeking file position

P-R-O-C-H-Y · P-R-O-C-H-Y · commit 1ce89e395966 · 2022-04-05T16:43:41.000+02:00
diff --git a/libraries/FS/src/vfs_api.cpp b/libraries/FS/src/vfs_api.cpp
@@ -429,17 +429,14 @@ bool VFSFileImpl::seek(uint32_t pos, SeekMode mode)
         return false;
     }
 
+    fpurge(_f); //clear the file internal buffer -> no longer valid when changing file position
     off_t res = lseek(fileno(_f), pos, mode);
     if (res < 0) {
         // an error occurred
         log_d("FILE SEEK ERROR OCCURED");
         return 1; //return error -> for seek its all above 0
     }
-    //return 0; //return success -> for fseek its 0
-
-    //Call fseek to adjust pointer in fstruct
-    auto rc = fseek(_f, pos, mode);
-    return rc == 0;
+    return 0; //return success -> for fseek its 0
 }
 
 size_t VFSFileImpl::position() const

Original file line number	Diff line number	Diff line change
`@@ -429,17 +429,14 @@ bool VFSFileImpl::seek(uint32_t pos, SeekMode mode)`
`429`	`429`	`return false;`
`430`	`430`	`}`
`431`	`431`
	`432`	`+ fpurge(_f); //clear the file internal buffer -> no longer valid when changing file position`
`432`	`433`	`off_t res = lseek(fileno(_f), pos, mode);`
`433`	`434`	`if (res < 0) {`
`434`	`435`	`// an error occurred`
`435`	`436`	`log_d("FILE SEEK ERROR OCCURED");`
`436`	`437`	`return 1; //return error -> for seek its all above 0`
`437`	`438`	`}`
`438`		`- //return 0; //return success -> for fseek its 0`
`439`		`-`
`440`		`- //Call fseek to adjust pointer in fstruct`
`441`		`- auto rc = fseek(_f, pos, mode);`
`442`		`- return rc == 0;`
	`439`	`+ return 0; //return success -> for fseek its 0`
`443`	`440`	`}`
`444`	`441`
`445`	`442`	`size_t VFSFileImpl::position() const`