X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetpos.c;h=28352c87e9a3cd53767f2ec9ca65666ff40dc624;hb=6ca24b75c75b9c6f22e1e69693d326b8e3330841;hp=0d5de428280995afc9a63f3f0934b434274faa57;hpb=17d539d4dad385b70e22c3611c7642e0a020d990;p=pdclib

diff --git a/functions/stdio/fgetpos.c b/functions/stdio/fgetpos.c
index 0d5de42..28352c8 100644
--- 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;
@@ -18,14 +18,34 @@ 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
 #include <_PDCLIB_test.h>
+#include <string.h>
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    FILE * fh;
+    fpos_t pos1, pos2;
+    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 );
+    TESTCASE( fsetpos( fh, &pos2 ) == 0 );
+    TESTCASE( (size_t)ftell( fh ) == strlen( teststring ) );
+    TESTCASE( fclose( fh ) == 0 );
     return TEST_RESULTS;
 }