diff options
Diffstat (limited to 'libio')
-rw-r--r-- | libio/tst_putwc.c | 10 | ||||
-rw-r--r-- | libio/wfiledoalloc.c | 9 |
2 files changed, 14 insertions, 5 deletions
diff --git a/libio/tst_putwc.c b/libio/tst_putwc.c index 142b3bcafa..60bb232a78 100644 --- a/libio/tst_putwc.c +++ b/libio/tst_putwc.c @@ -101,6 +101,16 @@ do_test (void) res = 1; } + /* Next test: write a bit more than a few bytes. */ + fp = fopen (outname, "w"); + if (fp == NULL) + error (EXIT_FAILURE, errno, "cannot open temporary file"); + + for (n = 0; n < 4098; ++n) + putwc (n & 255, fp); + + fclose (fp); + return res; } diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c index 76226e9846..4e4ca67b2d 100644 --- a/libio/wfiledoalloc.c +++ b/libio/wfiledoalloc.c @@ -82,7 +82,7 @@ _IO_wfile_doallocate (fp) if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0) { couldbetty = 0; - size = _IO_BUFSIZ * sizeof (wchar_t); + size = _IO_BUFSIZ; #if 0 /* do not try to optimise fseek() */ fp->_flags |= __SNPT; @@ -92,13 +92,12 @@ _IO_wfile_doallocate (fp) { couldbetty = S_ISCHR (st.st_mode); #if _IO_HAVE_ST_BLKSIZE - size = ((st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize) - * sizeof (wchar_t)); + size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize; #else - size = _IO_BUFSIZ * sizeof (wchar_t); + size = _IO_BUFSIZ; #endif } - ALLOC_WBUF (p, size, EOF); + ALLOC_WBUF (p, size * sizeof (wchar_t), EOF); _IO_wsetb (fp, p, p + size, 1); if (couldbetty && isatty (fp->_fileno)) fp->_flags |= _IO_LINE_BUF; |