diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-12-09 08:05:10 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-12-17 20:35:19 +0100 |
| commit | 219b69d72e878094f3ce03a9e70719709a9b4c43 (patch) | |
| tree | c79c264c6e76d470e88ff57491ba3bf13c8aef46 /libc/sysdeps/linux | |
| parent | 2e116b2eeea5f47ca26458b1962783baced2784c (diff) | |
libc/stdio: Rework custom streams interface similar to glibc.
Save 20 bytes per FILE structure, avoid indirect call for
read/write/seek/close operations for normal streams.
Additionally, custom streams has fileno = -2 now, like in glibc.
bloat-o-meter report (UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y):
function old new delta
fopencookie 69 131 +62
ftello64 233 260 +27
fseeko64 298 319 +21
fclose 423 442 +19
.rodata 16696 16708 +12
fileno_unlocked 53 45 -8
__ns_name_pack 859 851 -8
vswscanf 184 144 -40
vdprintf 231 187 -44
vsscanf 210 151 -59
vswprintf 269 201 -68
vsnprintf 249 181 -68
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/7 up/down: 141/-295) Total: -154 bytes
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/uClibc_stdio.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_stdio.h b/libc/sysdeps/linux/common/bits/uClibc_stdio.h index 5b3a1b310..efd8a6c89 100644 --- a/libc/sysdeps/linux/common/bits/uClibc_stdio.h +++ b/libc/sysdeps/linux/common/bits/uClibc_stdio.h @@ -245,10 +245,6 @@ struct __STDIO_FILE_STRUCT { #ifdef __STDIO_HAS_OPENLIST struct __STDIO_FILE_STRUCT *__nextopen; #endif -#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ - void *__cookie; - _IO_cookie_io_functions_t __gcs; -#endif #ifdef __UCLIBC_HAS_WCHAR__ wchar_t __ungot[2]; #endif |