JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Minimize printf/scanf size on platforms that don't need C99.

Browse Source 
* acconfig.h (_WANT_IO_C99_FORMATS): New macro.
* newlib.hin (_WANT_IO_C99_FORMATS): Likewise.
* configure.in (newlib-io-c99-formats): New configure option.
(_WANT_IO_C99_FORMATS): Define appropriately.
* configure.host (*-linux*, cygwin): Default c99-formats to yes.
* libc/stdio/vfprintf.c (_VFPRINTF_R) [!_WANT_IO_C99_FORMATS]:
Cripple ' flag; hh, z, j, t sizes; a, A, F, C, S specifiers.
* libc/stdio/vfscanf.c (_VFSCANF_R) [!_WANT_IO_C99_FORMATS]:
Likewise.
* configure: Regenerate.
This commit is contained in:
Eric Blake
2007-05-11 20:09:00 +00:00
parent b8a37af936
commit 0962fe9178
8 changed files with 187 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
newlib/acconfig.h
View File

@ -9,6 +9,10 @@
/* Newlib version */
#undef _NEWLIB_VERSION
/* C99 formats support (such as %a, %zu, ...) in IO functions like
* printf/scanf enabled */
#undef _WANT_IO_C99_FORMATS
/* long long type support in IO functions like printf/scanf enabled */
#undef _WANT_IO_LONG_LONG
@ -154,4 +158,3 @@
#undef _ICONV_FROM_ENCODING_WIN_1258
#endif /* !__NEWLIB_H__ */