X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetc.c;h=ae7a8356685540e2582a1c5dcc7a9b350a530c18;hb=6ca24b75c75b9c6f22e1e69693d326b8e3330841;hp=667bfedc1134f5527b8c81706980b15b55b7bea6;hpb=0c316ee3b4dc0712797877f5dc0f4a789646154d;p=pdclib

diff --git a/functions/stdio/fgetc.c b/functions/stdio/fgetc.c
index 667bfed..ae7a835 100644
--- a/functions/stdio/fgetc.c
+++ b/functions/stdio/fgetc.c
@@ -12,7 +12,7 @@
 
 #include <_PDCLIB_glue.h>
 
-int fgetc( struct _PDCLIB_file_t * stream )
+int fgetc_unlocked( struct _PDCLIB_file_t * stream )
 {
     if ( _PDCLIB_prepread( stream ) == EOF )
     {
@@ -20,9 +20,17 @@ int fgetc( struct _PDCLIB_file_t * stream )
     }
     if ( stream->ungetidx > 0 )
     {
-        return stream->ungetbuf[ stream->ungetidx-- ];
+        return (unsigned char)stream->ungetbuf[ --(stream->ungetidx) ];
     }
-    return stream->buffer[stream->bufidx++];
+    return (unsigned char)stream->buffer[stream->bufidx++];
+}
+
+int fgetc( struct _PDCLIB_file_t * stream )
+{
+    flockfile( stream );
+    int c = fgetc_unlocked( stream );
+    funlockfile( stream );
+    return c;
 }
 
 #endif