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author | Ulrich Drepper <drepper@redhat.com> | 1996-12-08 08:01:13 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1996-12-08 08:01:13 +0000 |
commit | f65fd747b440ae2d8a7481ecc50e668c5e4d0cc9 (patch) | |
tree | f64c3eeda0e9acc58b96c28ca852a014c822047f /manual/=stdarg.texi | |
parent | 42054ddb496798d9b936490cf0050f6619f86bc1 (diff) | |
download | glibc-f65fd747b440ae2d8a7481ecc50e668c5e4d0cc9.tar.gz glibc-f65fd747b440ae2d8a7481ecc50e668c5e4d0cc9.tar.xz glibc-f65fd747b440ae2d8a7481ecc50e668c5e4d0cc9.zip |
update from main archive 961207 cvs/libc-961208
Sun Dec 8 06:56:49 1996 Ulrich Drepper <drepper@cygnus.com> * io/getwd.c: Use PATH_MAX not LOCAL_PATH_MAX. Fix typo in comment. * stdlib/canonicalize.c: Correct bugs in last change. Patch by HJ Lu. * libio/Makefile (routines): Remove ioprims. (aux): Remove cleanup. Add IO_DEBUG option for .o files. * libio/cleanups.c: Removed. * libio/ioprims.c: Removed. * libio/filedoalloc.c: More updates from libg++-2.8b5. * libio/fileops.c: Likewise. * libio/genops.c: Likewise. * libio/iolibio.h: Likewise. * libio/iopopen.c: Likewise. * libio/iovsprintf.c: Likewise. * libio/iovsscanf.c: Likewise. * libio/libio.h: Likewise. * libio/libioP.h: Likewise. * libio/memstream.c: Likewise. * libio/strfile.h: Likewise. * libio/vasprintf.c: Likewise. * libio/vsnprintf.c: Likewise. * libio/stdio.h: Define P_tmpdir only is __USE_SVID. * manual/arith.texi: Change references to ANSI C to ISO C. * manual/conf.texi: Likewise. * manual/creature.texi: Likewise. * manual/ctype.texi: Likewise. * manual/errno.texi: Likewise. * manual/filesys.texi: Likewise. * manual/intro.texi. Likewise. * manual/io.texi: Likewise. * manual/lang.texi: Likewise. * manual/libc.texinfo: Likewise. * manual/locale.texi: Likewise. * manual/maint.texi: Likewise. * manual/mbyte.texi: Likewise. * manual/memory.texi: Likewise. * manual/process.texi: Likewise. * manual/process.texi: Likewise. * manual/search.texi: Likewise. * manual/setjmp.texi: Likewise. * manual/signal.texi: Likewise. * manual/startup.texi: Likewise. * manual/stdio.texi: Likewise. * manual/string.texi: Likewise. * manual/time.texi: Likewise. * manual/locale.texi: Remove description of LC_RESPONSE and add LC_MESSAGES. * Makefile (subdirs): Change malloc in $(malloc). * config.make.in: Add variable malloc which is initialized from @malloc@. * configure.in: Add new option --enable-new-malloc to use new malloc. This is the default on Linux. * sysdeps/unix/sysv/linux/configure.in: Define malloc to new-malloc by default. * new-malloc/Makefile: New file. Improved malloc implementation. * new-malloc/malloc.c: Likewise. * new-malloc/malloc.h: Likewise. * new-malloc/mallocbug.c: Likewise. * new-malloc/obstack.c: Likewise. * new-malloc/obstack.h: Likewise. * new-malloc/thread-m.h: Likewise. * time/Makefile: Compile ap.c with NO_MCHECK flag for now. * time/ap.c: Don't call mcheck if NO_MCHECK is defined. * resolv/Makefile: Add rule to rebuiild libresolv.so when libc.so changed. * stdio/feof.c: Update copyright. * stdio/stdio.h: Add field for lock to FILE structure. Add cast to *MAGIC constants to prevent warnings. * stdio-common/bug7.c: Correct test. Stream must not be closed twice. * stdlib/Makefile (routines): Add secure-getenv. * stdlib/secure-getenv.c: New file. __secure_getenv function moved to here from sysdeps/generic/getenv.c. Otherwise an application cannot replace the getenv function in the libc. * sysdeps/generic/getenv.c: Remove __secure_getenv function. * sysdeps/stub/getenv.c: Remove __secure_getenv alias. * sysdeps/mach/libc-lock.h: Define__libc_mutex_lock to __mutex_lock. * sysdeps/posix/fdopen.c: Update copyright. Don't use EXFUN. * time/test-tz.c: Comment fifth test out. PROBLEM. * time/tzset.c: De-ANSI-declfy. (__tzset): Don't increment pointer tz when no DST information is given. Sat Dec 7 23:47:54 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/mach/libc-lock.h [_LIBC]: Add definition of __libc_mutex_lock. Patch by Thomas Bushnell. * sysdeps/unix/sysv/linux/timebits.h: Load <asm/param.h> only if __USE_MISC. * sysdeps/unix/sysv/linux/Dist: Add llseek.c. Sat Dec 7 12:18:56 1996 Ulrich Drepper <drepper@cygnus.com> * time/strftime (%c format): Remove %Z from default string. Reported by Paul Eggert * io/getwd.c: Don't apply getcwd on user supplied buffer.
Diffstat (limited to 'manual/=stdarg.texi')
-rw-r--r-- | manual/=stdarg.texi | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/manual/=stdarg.texi b/manual/=stdarg.texi index 384c992f13..a209efc785 100644 --- a/manual/=stdarg.texi +++ b/manual/=stdarg.texi @@ -5,7 +5,7 @@ @cindex variable number of arguments @cindex optional arguments -ANSI C defines a syntax as part of the kernel language for specifying +@w{ISO C} defines a syntax as part of the kernel language for specifying functions that take a variable number or type of arguments. (Such functions are also referred to as @dfn{variadic functions}.) However, the kernel language provides no mechanism for actually accessing @@ -32,7 +32,7 @@ Every call to the function should supply the same number and type of arguments as specified in the function definition. On the other hand, sometimes a function performs an operation that can -meaningfully accept an unlimited number of arguments. +meaningfully accept an unlimited number of arguments. For example, consider a function that joins its arguments into a linked list. It makes sense to connect any number of arguments together into a @@ -80,11 +80,11 @@ function can accept additional arguments of unspecified type by putting @samp{@dots{}} at the end of the arguments. For example, @example -int +int func (const char *a, int b, @dots{}) @{ @dots{} -@} +@} @end example @noindent @@ -92,7 +92,7 @@ outlines a definition of a function @code{func} which returns an @code{int} and takes at least two arguments, the first two being a @code{const char *} and an @code{int}.@refill -An obscure restriction placed by the ANSI C standard is that the last +An obscure restriction placed by the @w{ISO C} standard is that the last required argument must not be declared @code{register} in the function definition. Furthermore, this argument must not be of a function or array type, and may not be, for example, a @code{char} or @code{short @@ -101,7 +101,7 @@ int} (whether signed or not) or a @code{float}. @strong{Compatibility Note:} Many older C dialects provide a similar, but incompatible, mechanism for defining functions with variable numbers of arguments. In particular, the @samp{@dots{}} syntax is a new feature -of ANSI C. +of @w{ISO C}. @node Receiving the Argument Values, How Many Arguments, Syntax for Variable Arguments, How Variable Arguments are Used @@ -207,13 +207,13 @@ These macros are defined in the header file @file{stdarg.h}. @pindex stdarg.h @comment stdarg.h -@comment ANSI +@comment ISO @deftp {Data Type} va_list The type @code{va_list} is used for argument pointer variables. @end deftp @comment stdarg.h -@comment ANSI +@comment ISO @deftypefn {Macro} void va_start (va_list @var{ap}, @var{last_required}) This macro initialized the argument pointer variable @var{ap} to point to the first of the optional arguments of the current function; @@ -221,14 +221,14 @@ to the first of the optional arguments of the current function; @end deftypefn @comment stdarg.h -@comment ANSI +@comment ISO @deftypefn {Macro} @var{type} va_arg (va_list @var{ap}, @var{type}) The @code{va_arg} macro returns the value of the next optional argument, and changes the internal state of @var{ap} to move past this argument. -Thus, successive uses of @code{va_arg} return successive optional +Thus, successive uses of @code{va_arg} return successive optional arguments. The type of the value returned by @code{va_arg} is the @var{type} -specified in the call. +specified in the call. The @var{type} must match the type of the actual argument, and must not be @code{char} or @code{short int} or @code{float}. (Remember that the @@ -236,7 +236,7 @@ default argument promotions apply to optional arguments.) @end deftypefn @comment stdarg.h -@comment ANSI +@comment ISO @deftypefn {Macro} void va_end (va_list @var{ap}) This ends the use of @var{ap}. After a @code{va_end} call, further @code{va_arg} calls with the same @var{ap} may not work. You should invoke @@ -263,7 +263,7 @@ way the variable arguments facility is commonly used.) @example #include <stdarg.h> -int +int add_em_up (int count, @dots{}) @{ va_list ap; |