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authorUlrich Drepper <drepper@redhat.com>1996-12-08 08:01:13 +0000
committerUlrich Drepper <drepper@redhat.com>1996-12-08 08:01:13 +0000
commitf65fd747b440ae2d8a7481ecc50e668c5e4d0cc9 (patch)
treef64c3eeda0e9acc58b96c28ca852a014c822047f /manual/memory.texi
parent42054ddb496798d9b936490cf0050f6619f86bc1 (diff)
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update from main archive 961207cvs/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/memory.texi')
-rw-r--r--manual/memory.texi23
1 files changed, 11 insertions, 12 deletions
diff --git a/manual/memory.texi b/manual/memory.texi
index 6cbe77ff0e..bd1a9a5401 100644
--- a/manual/memory.texi
+++ b/manual/memory.texi
@@ -157,7 +157,7 @@ this function is in @file{stdlib.h}.
@pindex stdlib.h
@comment malloc.h stdlib.h
-@comment ANSI
+@comment ISO
@deftypefun {void *} malloc (size_t @var{size})
This function returns a pointer to a newly allocated block @var{size}
bytes long, or a null pointer if the block could not be allocated.
@@ -179,7 +179,7 @@ memset (ptr, 0, sizeof (struct foo));
@end smallexample
You can store the result of @code{malloc} into any pointer variable
-without a cast, because ANSI C automatically converts the type
+without a cast, because @w{ISO C} automatically converts the type
@code{void *} to another type of pointer when necessary. But the cast
is necessary in contexts other than assignment operators or if you might
want your code to run in traditional C.
@@ -263,7 +263,7 @@ The prototype for this function is in @file{stdlib.h}.
@pindex stdlib.h
@comment malloc.h stdlib.h
-@comment ANSI
+@comment ISO
@deftypefun void free (void *@var{ptr})
The @code{free} function deallocates the block of storage pointed at
by @var{ptr}.
@@ -327,7 +327,7 @@ is declared in @file{stdlib.h}.
@pindex stdlib.h
@comment malloc.h stdlib.h
-@comment ANSI
+@comment ISO
@deftypefun {void *} realloc (void *@var{ptr}, size_t @var{newsize})
The @code{realloc} function changes the size of the block whose address is
@var{ptr} to be @var{newsize}.
@@ -340,7 +340,7 @@ contents.
If you pass a null pointer for @var{ptr}, @code{realloc} behaves just
like @samp{malloc (@var{newsize})}. This can be convenient, but beware
-that older implementations (before ANSI C) may not support this
+that older implementations (before @w{ISO C}) may not support this
behavior, and will probably crash when @code{realloc} is passed a null
pointer.
@end deftypefun
@@ -383,7 +383,7 @@ is declared in @file{stdlib.h}.
@pindex stdlib.h
@comment malloc.h stdlib.h
-@comment ANSI
+@comment ISO
@deftypefun {void *} calloc (size_t @var{count}, size_t @var{eltsize})
This function allocates a block long enough to contain a vector of
@var{count} elements, each of size @var{eltsize}. Its contents are
@@ -984,10 +984,10 @@ obstacks, or non-obstack allocation, can reuse the space of the chunk.
The interfaces for using obstacks may be defined either as functions or
as macros, depending on the compiler. The obstack facility works with
-all C compilers, including both ANSI C and traditional C, but there are
+all C compilers, including both @w{ISO C} and traditional C, but there are
precautions you must take if you plan to use compilers other than GNU C.
-If you are using an old-fashioned non-ANSI C compiler, all the obstack
+If you are using an old-fashioned @w{non-ISO C} compiler, all the obstack
``functions'' are actually defined only as macros. You can call these
macros like functions, but you cannot use them in any other way (for
example, you cannot take their address).
@@ -1006,7 +1006,7 @@ If you use @code{*obstack_list_ptr++} as the obstack pointer argument,
you will get very strange results since the incrementation may occur
several times.
-In ANSI C, each function has both a macro definition and a function
+In @w{ISO C}, each function has both a macro definition and a function
definition. The function definition is used if you take the address of the
function without calling it. An ordinary call uses the macro definition by
default, but you can request the function definition instead by writing the
@@ -1024,12 +1024,11 @@ funcp = obstack_alloc;
@end smallexample
@noindent
-This is the same situation that exists in ANSI C for the standard library
+This is the same situation that exists in @w{ISO C} for the standard library
functions. @xref{Macro Definitions}.
@strong{Warning:} When you do use the macros, you must observe the
-precaution of avoiding side effects in the first operand, even in ANSI
-C.
+precaution of avoiding side effects in the first operand, even in @w{ISO C}.
If you use the GNU C compiler, this precaution is not necessary, because
various language extensions in GNU C permit defining the macros so as to