diff options
Diffstat (limited to 'mdk-stage1/dietlibc/dietfeatures.h')
| -rw-r--r-- | mdk-stage1/dietlibc/dietfeatures.h | 92 |
1 files changed, 79 insertions, 13 deletions
diff --git a/mdk-stage1/dietlibc/dietfeatures.h b/mdk-stage1/dietlibc/dietfeatures.h index e1de38577..a7b84d5b9 100644 --- a/mdk-stage1/dietlibc/dietfeatures.h +++ b/mdk-stage1/dietlibc/dietfeatures.h @@ -3,40 +3,106 @@ /* feel free to comment some of these out to reduce code size */ -//#define WANT_FLOATING_POINT_IN_PRINTF -//#define WANT_FLOATING_POINT_IN_SCANF +/* #define WANT_FLOATING_POINT_IN_PRINTF */ +/* #define WANT_FLOATING_POINT_IN_SCANF */ #define WANT_CHARACTER_CLASSES_IN_SCANF #define WANT_NULL_PRINTF +/* #define WANT_LONGLONG_PRINTF */ +/* #define WANT_LONGLONG_SCANF */ -#define SLASH_PROC_OK +/* 128 or 2048 bytes buffer size? */ +/* #define WANT_SMALL_STDIO_BUFS */ + +/* want fread to read() directly if size of data is larger than buffer? + * This costs a few bytes but is worth it if the application is already + * buffering. */ +#define WANT_FREAD_OPTIMIZATION -// #define WANT_BUFFERED_STDIO +/* this is only for meaningful for ttyname and sysconf_cpus so far */ +#define SLASH_PROC_OK /* use errno_location instead of errno */ -// #define WANT_THREAD_SAFE +/* #define WANT_THREAD_SAFE */ -/* make the startcode, etc. dynamic aware */ -/* #undef WANT_DYNAMIC */ +/* make the startcode, etc. dynamic aware ({con,de}structors) */ +/* #define WANT_DYNAMIC */ /* do you want smaller or faster string routines? */ /* #define WANT_FASTER_STRING_ROUTINES */ -/* do you want ungetc? makes fgetc more complex */ -#define WANT_UNGETC +/* define this to have strncpy zero-fill and not just zero-terminate the + * string */ +/* #define WANT_FULL_POSIX_COMPAT */ -// #define WANT_LINKER_WARNINGS +/* read the comment in lib/strncat.c for an explanation */ +/* #define WANT_NON_COMPLIANT_STRNCAT */ + +/* #define WANT_LINKER_WARNINGS */ /* you need to define this if you want to run your programs with large - * file support on kernel 2.2 or 2.4 */ -// #define WANT_LARGEFILE_BACKCOMPAT + * file support on kernel 2.2 or 2.0 */ +/* #define WANT_LARGEFILE_BACKCOMPAT */ /* do you want localtime(3) to read /etc/localtime? * Needed for daylight saving time etc. */ -// #define WANT_TZFILE_PARSER +/* #define WANT_TZFILE_PARSER */ + +/* do you want the DNS routines to parse and use "domain" and "search" + * lines from /etc/resolv.conf? Normally not used on boot floppies and + * embedded environments. */ +#define WANT_FULL_RESOLV_CONF + +/* do you want IPv6 transport support in the DNS resolver? */ +/* #define WANT_IPV6_DNS */ + +/* do you want gethostbyname and friends to consult /etc/hosts? */ +#define WANT_ETC_HOSTS + +/* do you want gethostbyname to understand dotted decimal IP numbers + * directly and not try to resolve them? */ +#define WANT_INET_ADDR_DNS + +/* do you want math functions high precision rather than fast/small? */ +/* #define WANT_HIGH_PRECISION_MATH */ + +/* do you want support for matherr? */ +/* #define WANT_MATHERR */ + +/* do you want crypt(3) to use MD5 if the salt starts with "$1$"? */ +/* #define WANT_CRYPT_MD5 */ + +/* do you want diet to include a safeguard dependency to make linking + * against glibc fail? This may fail with older binutils. */ +#define WANT_SAFEGUARD + +/* dy you want that malloc(0) return a pointer to a "zero-length" object + * that is realloc-able; means realloc(..,size) gives a NEW object (like a + * call to malloc(size)). + * WARNING: this violates C99 */ +/* #define WANT_MALLOC_ZERO */ + /* stop uncommenting here ;-) */ #ifndef WANT_FASTER_STRING_ROUTINES #define WANT_SMALL_STRING_ROUTINES #endif +#ifdef WANT_THREAD_SAFE +#ifndef __ASSEMBLER__ +#define errno (*__errno_location()) +#define _REENTRANT +#endif +#endif + +#ifdef __DYN_LIB +/* with shared libraries you MUST have a dynamic aware startcode */ +#ifndef WANT_DYNAMIC +#define WANT_DYNAMIC +#endif +/* saveguard crashes with shared objects ... */ +#ifdef WANT_SAFEGUARD +#undef WANT_SAFEGUARD +#endif +#endif + #endif |