PDCLIB-16: Add _unlocked variations of all I/O routines; move work into these versions

[pdclib] / functions / stdio / fgetpos.c

diff --git a/functions/stdio/fgetpos.c b/functions/stdio/fgetpos.c
index 248fb356a0f07d5fb6ef91c904b97de758212ee4..28352c87e9a3cd53767f2ec9ca65666ff40dc624 100644 (file)
--- a/functions/stdio/fgetpos.c
+++ b/functions/stdio/fgetpos.c
@@ -10,7 +10,7 @@
 
 #ifndef REGTEST
 
-int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos )
+int fgetpos_unlocked( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos )
 {
     pos->offset = stream->pos.offset + stream->bufidx - stream->ungetidx;
     pos->status = stream->pos.status;
@@ -18,6 +18,14 @@ int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpo
     return 0;
 }
 
+int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos )
+{
+    flockfile( stream );
+    int res = fgetpos_unlocked( stream, pos );
+    funlockfile( stream );
+    return res;
+}
+
 #endif
 
 #ifdef TEST
@@ -31,6 +39,7 @@ int main( void )
     TESTCASE( ( fh = tmpfile() ) != NULL );
     TESTCASE( fgetpos( fh, &pos1 ) == 0 );
     TESTCASE( fwrite( teststring, 1, strlen( teststring ), fh ) == strlen( teststring ) );
+    TESTCASE( (size_t)ftell( fh ) == strlen( teststring ) );
     TESTCASE( fgetpos( fh, &pos2 ) == 0 );
     TESTCASE( fsetpos( fh, &pos1 ) == 0 );
     TESTCASE( ftell( fh ) == 0 );