New module 'unicase/u32-is-titlecase'.

[pspp] / lib / fpurge.c

diff --git a/lib/fpurge.c b/lib/fpurge.c
index 0e2931eb142e42c7d3538928edf68eb6b02327e4..5e0d47ddab4726087d7c0f1b4b75000a08b398dd 100644 (file)
--- a/lib/fpurge.c
+++ b/lib/fpurge.c
@@ -120,9 +120,14 @@ fpurge (FILE *fp)
       fp->__bufp = fp->__pushback_bufp;
       fp->__pushed_back = 0;
     }
+  /* Preserve the current file position.  */
+  if (fp->__target != -1)
+    fp->__target += fp->__bufp - fp->__buffer;
   fp->__bufp = fp->__buffer;
+  /* Nothing in the buffer, next getc is nontrivial.  */
   fp->__get_limit = fp->__bufp;
-  fp->__put_limit = fp->__bufp;
+  /* Nothing in the buffer, next putc is nontrivial.  */
+  fp->__put_limit = fp->__buffer;
   return 0;
 # else
  #error "Please port gnulib fpurge.c to your platform! Look at the definitions of fflush, setvbuf and ungetc on your system, then report this to bug-gnulib."