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author | Robert de Bath <rdebath@poboxes.com> | 1996-03-24 17:45:55 +0100 |
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committer | Lubomir Rintel <lkundrak@v3.sk> | 2013-10-23 23:29:43 +0200 |
commit | fe22c37817ce338fbbc90b239320248c270957fa (patch) | |
tree | d9550410c4a20bdd382fcc58d2d3d7c5e04e5245 /libc-0.0.4/include/stdarg.h | |
parent | a7aba15e8efffb1c5d3097656f1a93955a64f01f (diff) | |
parent | 42192453ea219b80d0bf9f41e51e36d3d4d0740b (diff) | |
download | dev86-fe22c37817ce338fbbc90b239320248c270957fa.tar.gz |
Import Dev86-0.0.4.tar.gzv0.0.4
Diffstat (limited to 'libc-0.0.4/include/stdarg.h')
-rw-r--r-- | libc-0.0.4/include/stdarg.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libc-0.0.4/include/stdarg.h b/libc-0.0.4/include/stdarg.h new file mode 100644 index 0000000..978529b --- /dev/null +++ b/libc-0.0.4/include/stdarg.h @@ -0,0 +1,38 @@ + /* + * @(#) stdarg.h 1.2 91/11/30 21:10:39 + * + * Sample stdarg.h file for use with the unproto filter. + * + * This file serves two purposes. + * + * 1 - As an include file for use with ANSI-style C source that implements + * variadic functions. + * + * 2 - To configure the unproto filter itself. If the _VA_ALIST_ macro is + * defined, its value will appear in the place of the "..." in argument + * lists of variadic function *definitions* (not declarations). + * + * Compilers that pass arguments via the stack can use the default code at the + * end of this file (this usually applies for the VAX, MC68k and 80*86 + * architectures). + * + * RISC-based systems often need special tricks. An example of the latter is + * given for the SPARC architecture. Read your /usr/include/varargs.h for + * more information. + * + * You can use the varargs.c program provided with the unproto package to + * verify that the stdarg.h file has been set up correctly. + */ + +#ifdef sparc +# define _VA_ALIST_ "__builtin_va_alist" + typedef char *va_list; +# define va_start(ap, p) (ap = (char *) &__builtin_va_alist) +# define va_arg(ap, type) ((type *) __builtin_va_arg_incr((type *) ap))[0] +# define va_end(ap) +#else /* vax, mc68k, 80*86 */ + typedef char *va_list; +# define va_start(ap, p) (ap = (char *) (&(p)+1)) +# define va_arg(ap, type) ((type *) (ap += sizeof(type)))[-1] +# define va_end(ap) +#endif |