Commit Graph

41 Commits

Author SHA1 Message Date
Warner Losh
c879ae3536 Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.
2007-01-09 00:28:16 +00:00
Poul-Henning Kamp
75239a017f Add missing #if's for NO_FLOATING_POINT 2006-04-01 19:06:54 +00:00
David Xu
3b52e4d1b7 With current pthread implementations, a mutex initialization will
allocate a memory block. sscanf calls __svfscanf which in turn calls
fread, fread triggers mutex initialization but the mutex is not
destroyed in sscanf, this leads to memory leak. To avoid the memory
leak and performance issue, we create a none MT-safe version of fread:
__fread, and instead let __svfscanf call __fread.

PR: threads/90392
Patch submitted by: dhartmei
MFC after: 7 days
2005-12-16 02:50:53 +00:00
Stefan Farfeleder
e413b7d2f8 Remove unused variable. 2005-04-08 20:58:47 +00:00
David Schultz
8de9e89719 - To make it easier to compile *printf() and *scanf() without
floating-point support, remove default definition of FLOATING_POINT
  from the source, and change the compile-time option to
  NO_FLOATING_POINT.
- Remove the HEXFLOAT option.  It saves an insignificant amount of
  space (<0.1% of the size of libc on i386) and complicates vfprintf()
  and checkfmt().
2004-05-02 10:55:06 +00:00
Tim J. Robbins
93996f6d58 Prepare to handle trivial state-dependent encodings. Full support for
state-dependent encodings with locking shifts will come later if there
is demand for it.
2004-04-07 09:55:05 +00:00
David Schultz
ff81345642 Fix the handling of negative hexadecimal numbers in integer formats.
Note that this bug is unrelated to recent work in this area; it seems
to have been present since revision 1.1.

Obtained from:	NetBSD
2004-01-31 23:16:09 +00:00
Jacques Vidrine
27a97dffc1 Make intentions explicit with additional parenthesis. 2004-01-06 18:32:24 +00:00
Tim J. Robbins
2a49d3767f Pass NULL instead of a pointer to a zeroed mbstate_t object. 2003-11-05 08:20:45 +00:00
David Schultz
370077c7a6 Revamp scanf's floating-point-parsing algorithm to support
[+|-]Inf, [+|-]NaN, nan(...), and hexidecimal FP constants.
While here, add %a and %A, which are aliases for %e, and
add support for long doubles.

Reviewed by:	standards@
2003-06-28 09:03:05 +00:00
Tim J. Robbins
14ffdae94d No need to include floatio.h here: vfscanf() no longer uses anything
it defines.
2002-11-01 05:13:01 +00:00
Tim J. Robbins
0145ba86d1 Fix off-by-one error when pushing back a multibyte sequence in
wide character class (%l[) and wide string (%ls) conversions.
2002-10-17 13:04:00 +00:00
Tim J. Robbins
63b01047f4 Make part of the previous change clearer; check flags for SUPPRESS directly
instead of checking whether we're using a temporary buffer.
2002-10-17 12:06:29 +00:00
Tim J. Robbins
35739e072b Count field width correctly for suppressed multibyte fields (%*lc,
%*ls, %*l[).
2002-10-16 14:07:08 +00:00
Tim J. Robbins
6180233fd8 Set the error bit on the stream if an encoding error occurs. Improve
handling of multibyte sequences representing null wide characters.
2002-10-16 12:09:43 +00:00
Tim J. Robbins
af1c9c0e4d Use a weak reference instead of a macro to make vfscanf an alias
for __vfscanf.
2002-10-14 11:18:21 +00:00
Tim J. Robbins
4712aa3b59 Implement the %lc, %ls and %[ conversions, which read sequences of wide
characters, non-whitespace wide character strings and wide character
strings in a scanset.
2002-09-23 11:35:50 +00:00
Tim J. Robbins
e74101e4ef Basic support for wide character I/O: getwc(), fgetwc(), getwchar(),
putwc(), fputwc(), putwchar(), ungetwc(), fwide().
2002-08-13 09:30:41 +00:00
Alfred Perlstein
a82bbc730e Assume __STDC__, remove non-__STDC__ code.
Submitted by: keramida
2002-05-28 17:03:12 +00:00
Bill Fenner
946b2d0057 Implement several of the c99 updates to scanf(3):
- New length modifiers: hh, j, ll, t, z.

Still to do:
 - %C, %S, %lc, %ls (wide character support)
 - %a/%A (exact hex representation of floating-point numbers)

Removed old compatability equivalents:
 - %D for %ld, %O for %lo, %X for %lx, %E and %F for %le & %lf (these
   were buggy anyway, since they should have represented %Le & %Lf).
 - %[unknown uppercase char] for %ld, %[unknown lowercase char] for %d
2002-04-20 17:00:56 +00:00
David E. O'Brien
333fc21e3c Fix the style of the SCM ID's.
I believe have made all of libc .c's as consistent as possible.
2002-03-22 21:53:29 +00:00
David E. O'Brien
8fb3f3f682 Remove 'register' keyword. 2002-03-21 18:49:23 +00:00
Andrey A. Chernov
2209d8a27c Back out national digits support, POSIX explicetely disallows it:
The definition of character class digit requires that only ten characters
-the ones defining digits- can be specified; alternate digits (for
example, Hindi or Kanji) cannot be specified here. However, the encoding
may vary if an implementation supports more than one encoding.

The definition of character class xdigit requires that the characters
included in character class digit are included here also and allows for
different symbols for the hexadecimal digits 10 through 15.
2001-11-29 03:03:55 +00:00
Andrey A. Chernov
87c25490c8 Don't ever assume that isdigit() is always subset of isxdigit() 2001-11-28 06:06:27 +00:00
Andrey A. Chernov
997aec5b67 Allow national (non-ASCII) digits 2001-11-28 04:57:48 +00:00
Andrey A. Chernov
a2a135c94f Use decimal point from localeconv() instead of hardcoded '.' (SUSv2) 2001-02-10 05:46:05 +00:00
Daniel Eischen
d201fe46e3 Remove _THREAD_SAFE and make libc thread-safe by default by
adding (weak definitions to) stubs for some of the pthread
functions.  If the threads library is linked in, the real
pthread functions will pulled in.

Use the following convention for system calls wrapped by the
threads library:
	__sys_foo - actual system call
	_foo - weak definition to __sys_foo
	foo - weak definition to __sys_foo

Change all libc uses of system calls wrapped by the threads
library from foo to _foo.  In order to define the prototypes
for _foo(), we introduce namespace.h and un-namespace.h
(suggested by bde).  All files that need to reference these
system calls, should include namespace.h before any standard
includes, then include un-namespace.h after the standard
includes and before any local includes.  <db.h> is an exception
and shouldn't be included in between namespace.h and
un-namespace.h  namespace.h will define foo to _foo, and
un-namespace.h will undefine foo.

Try to eliminate some of the recursive calls to MT-safe
functions in libc/stdio in preparation for adding a mutex
to FILE.  We have recursive mutexes, but would like to avoid
using them if possible.

Remove uneeded includes of <errno.h> from a few files.

Add $FreeBSD$ to a few files in order to pass commitprep.

Approved by:	-arch
2001-01-24 13:01:12 +00:00
Peter Wemm
7f3dea244c $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
David E. O'Brien
5846581c2e Apply patch to properly sscanf(3) when there is whitespace in the format
string.  From the submitted patch:

Credit for patch:	Chris Torek <torek@bsdi.com>
			Tod Miller  <millert@openbsd.org>

This makes us in line with SunOS 4.1.3_U1, Solaris 2.6, OpenBSD 2.3,
HP-UX 10.20, Irix 5.3.  The previous behavior was in line with Ultrix 4.4.

PR:		bin/7970
Submitted by:	Niall Smart nialls@euristix.ie
1998-09-25 12:20:27 +00:00
Bruce Evans
8fddd06099 Fixed long double formats. They were mostly not implemented except
on systems where long doubles are just doubles.  FreeBSD hasn't
been such a system since it started using gcc-2.5 many years ago.
The fix is of low quality.  It loses precision.

scanf() of long doubles doesn't seem to be used much, but gdb-4.16
uses %Lg format in its expression parser if it thinks that the
system supports printf'ing of long doubles.  The symptom was that
floating point literals were usually interpreted to be 0.0.
1997-11-23 06:02:47 +00:00
Jordan K. Hubbard
5e17038f01 Add 64 bit int support to scanf()
PR:		2080
Submitted by:	David Dawes <dawes@rf900.physics.usyd.edu.au>
1997-07-01 17:46:39 +00:00
Andrey A. Chernov
ed2bf9a999 Eliminate yet one function call when locale not used 1997-04-04 19:07:02 +00:00
Andrey A. Chernov
350498c58e Speedup in case locale not used 1997-04-04 18:28:38 +00:00
Bruce Evans
e836e480dc Fixed handling of input failure by the scanf family.
- 0 was returned instead of EOF when an input failure occured while
  skipping white-space after 0 assignments.  This fixes PR2606.  The
  diagnosis in PR2606 is wrong.
- EOF was returned instead of 0 when an input failure occurred after
  zero assignments and nonzero suppressed assignments.
- EOF was spelled -1.

This should be in 2.2.
1997-03-03 17:53:02 +00:00
Peter Wemm
7e546392b5 Revert $FreeBSD$ to $Id$ 1997-02-22 15:12:41 +00:00
Andrey A. Chernov
628abd1b29 Add XXX comment describing potential memset non-portable issue
Nitpicked-by: joerg
1997-02-05 20:54:16 +00:00
Andrey A. Chernov
ea295661f9 Use collate for national [a-z]-like ranges
Should go in 2.2
1997-01-16 07:36:14 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
James Raynard
ce51cf0392 Suggested by: Bruce Evans, Jeffrey Hsu, Gary Palmer
Added $Id$'s to files that were lacking them (gpalmer), made some
cosmetic changes to conform to style guidelines (bde) and checked
against NetBSD and Lite2 to remove unnecessary divergences (hsu, bde)

One last code cleanup:-

Removed spurious casts in fseek.c and stdio.c.
Added missing function argument in fwalk.c.
Added missing header include in flags.c and rget.c.
Put in casts where int's were being passed as size_t's.
Put in missing prototypes for static functions.
Changed second args of __sflags() inflags.c and writehook() in vasprintf.c
from char * to const char * to conform to prototypes.

This directory now compiles with no warnings with -Wall under
gcc-2.6.3 and with considerably less warnings than before with the
ultra-pedantic script I used for testing. (Most of the remaining ones
are due to const poisoning).
1996-06-22 10:34:15 +00:00
James Raynard
45f6af0252 Code cleanup:-
The usual stuff, adding missing function prototypes, argument types,
return values, etc.

This directory now compiles with no warnings with -Wall on gcc2.6.3!
1996-06-12 22:59:55 +00:00
Rodney W. Grimes
58f0484fa2 BSD 4.4 Lite Lib Sources 1994-05-27 05:00:24 +00:00