Fixed seek returns + edited position to use lseek.

P-R-O-C-H-Y · P-R-O-C-H-Y · commit b6b87639a707 · 2022-04-05T20:31:29.000+02:00
diff --git a/libraries/FS/src/vfs_api.cpp b/libraries/FS/src/vfs_api.cpp
@@ -434,17 +434,18 @@ bool VFSFileImpl::seek(uint32_t pos, SeekMode 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 error -> for lseek its all above 0
     }
-    return 0; //return success -> for fseek its 0
+    return 1; //return success -> for fseek its 0
 }
 
 size_t VFSFileImpl::position() const
 {
     if(_isDirectory || !_f) {
         return 0;
     }
-    return ftell(_f);
+    return lseek(fileno(_f), 0, SEEK_CUR);
+    //return ftell(_f); // old implementation
 }
 
 size_t VFSFileImpl::size() const

Original file line number	Diff line number	Diff line change
`@@ -434,17 +434,18 @@ bool VFSFileImpl::seek(uint32_t pos, SeekMode mode)`
`434`	`434`	`if (res < 0) {`
`435`	`435`	`// an error occurred`
`436`	`436`	`log_d("FILE SEEK ERROR OCCURED");`
`437`		`- return 1; //return error -> for seek its all above 0`
	`437`	`+ return 0; //return error -> for lseek its all above 0`
`438`	`438`	`}`
`439`		`- return 0; //return success -> for fseek its 0`
	`439`	`+ return 1; //return success -> for fseek its 0`
`440`	`440`	`}`
`441`	`441`
`442`	`442`	`size_t VFSFileImpl::position() const`
`443`	`443`	`{`
`444`	`444`	`if(_isDirectory \|\| !_f) {`
`445`	`445`	`return 0;`
`446`	`446`	`}`
`447`		`- return ftell(_f);`
	`447`	`+ return lseek(fileno(_f), 0, SEEK_CUR);`
	`448`	`+ //return ftell(_f); // old implementation`
`448`	`449`	`}`
`449`	`450`
`450`	`451`	`size_t VFSFileImpl::size() const`