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466 Commits

Author SHA1 Message Date
Dag-Erling Smørgrav
096ad1042a Don't forget to va_end() the va_list we get from va_copy(). 
Submitted by:	Sean McNeil <sean@mcneil.com>
MFC after:	3 days
 2004-08-26 06:25:28 +00:00
Alfred Perlstein
3b28ee84a6 note that it is the caller's responsibility to free any buffer passed 
to setvbuf(3) and friends.
 2004-08-24 21:48:21 +00:00
Tim J. Robbins
91f18ef928 Fix an off-by-one bug that caused the first character of the buffer to 
be uninitialized.
 2004-08-06 17:00:09 +00:00
Tim J. Robbins
7d7287dc7d Read directly from the stdio buffer using the new __mbsnrtowcs() interface 
instead of making repeated calls to __fgetwc().
 2004-07-21 12:12:48 +00:00
Tim J. Robbins
1949a3470f Implement the GNU extensions of mbsnrtowcs() and wcsnrtombs(). These are 
convenient when the source string isn't null-terminated.

Implement the other conversion functions (mbstowcs(), mbsrtowcs(), wcstombs(),
wcsrtombs()) in terms of these new functions.
 2004-07-21 10:54:57 +00:00
Tim J. Robbins
2f2c1839f8 Use __wcsrtombs() and __sfvwrite() to convert and write the wide character 
string instead of multiple calls to __fputwc().
 2004-07-21 08:35:18 +00:00
Tim J. Robbins
f9ceea9bf1 Call __mbrtowc() and __wcrtomb() directly instead of taking detours 
through mbrtowc() and wcrtomb().
 2004-07-20 08:27:27 +00:00
Tim J. Robbins
2508f480c2 Add a cross reference to fgetwln(3). 2004-07-16 06:07:12 +00:00
Tim J. Robbins
9531ef0fc1 Add fgetwln(), a wide character version of fgetln(). 2004-07-16 06:06:09 +00:00
Tim J. Robbins
66d56cb7b8 Rename slbexpand() to __slbexpand() and make it available outside 
of fgetln.c (non-static).
 2004-07-16 05:52:51 +00:00
Tim J. Robbins
fcc5191787 Slightly reorganize and simplify. 2004-07-09 15:12:10 +00:00
Colin Percival
0a31135d11 Add commentary explaining why we return EBADF upon attempts to fflush() a 
read-only file.

Discussed on:	-current
 2004-07-04 20:17:00 +00:00
Ruslan Ermilov
30950a21e1 Eliminate double whitespace. 2004-07-03 22:30:10 +00:00
Ruslan Ermilov
1a0a934547 Mechanically kill hard sentence breaks. 2004-07-02 23:52:20 +00:00
Ruslan Ermilov
33992dc0ed Markup, grammar, and spelling fixes. 2004-06-30 20:09:10 +00:00
Mike Pritchard
14243126c5 Spelling fixes. 2004-06-21 19:38:25 +00:00
Stefan Farfeleder
cf6fc3417a The third operand of the conditional operator should have type void too. 
Approved by:	das (mentor)
 2004-06-08 12:03:48 +00:00
David Schultz
92a5b2ee71 Rename cantwrite() to prepwrite(). The latter is less confusing, 
since the macro isn't really a predicate, and it has side-effects.
Also, don't set errno if prepwrite() fails, since this is done in
prepwrite() now.
 2004-06-08 05:45:48 +00:00
David Schultz
52183d4654 Rename cantwrite() to prepwrite(). The latter is less confusing, 
since the macro isn't really a predicate, and it has side-effects.
 2004-06-08 05:45:32 +00:00
David Schultz
325d97d0d1 Set errno to EBADF on attempts to write to a stream that is not 
writable.  Affected callers include fwrite(), put?(), and *printf().
The issue of whether this is the right errno for funopened streams is
unresolved, but that's an obscure case, and some errno is better than
no errno.

Discussed with:	bde, jkh
 2004-06-08 05:44:52 +00:00
Tim J. Robbins
e7e4715db2 Provide trivial macro implementations of getwc(), getwchar(), putwc() and 
putwchar() to reduce function call overhead.
 2004-05-25 10:42:52 +00:00
Tim J. Robbins
d6ed810a67 Perform conversions straight from the stream buffer instead of scanning 
through byte by byte with mbrtowc(). In the usual case (buffer is big
enough to contain the multibyte character, character does not straddle
buffer boundary) this results in only one call to mbrtowc() for each
wide character read.
 2004-05-22 15:41:03 +00:00
Tim J. Robbins
87275e436a Associate a multibyte conversion state object with each stream. Reset it 
to the initial state when a stream is opened or seeked upon. Use the
stream's conversion state object instead of a freshly-zeroed one in
fgetwc(), fputwc() and ungetwc().

This is only a performance improvement for now, but it would also be
required in order to support state-dependent encodings.
 2004-05-22 15:19:41 +00:00
David E. O'Brien
253f85d3c9 Remove bogus FBSDID. 2004-05-02 20:13:29 +00:00
David E. O'Brien
af15264014 Fix damaged FBSDID. 2004-05-02 20:09:14 +00:00
David Schultz
30d3088041 Merge vfscanf.c, v1.37: 
- s/#ifdef FLOATING_POINT/#ifndef NO_FLOATING_POINT/
 2004-05-02 10:56:26 +00:00
David Schultz
ce2551ad29 Merge vfprintf.c, v1.65: 
- s/#ifdef FLOATING_POINT/#ifndef NO_FLOATING_POINT/
- Remove HEXFLOAT
 2004-05-02 10:56:17 +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
ccc8c6c31f Use the correct size to allocate, copy and clear argument type tables 
after their change from an array of char to an array of enum.
This fixes problems that occurred when using positional arguments in
format strings, particularly with more than STATIC_ARG_TBL_SIZE (8)
of them.

PR:		65841
Submitted by:	Steven Smith (mostly)
 2004-04-22 11:35:12 +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
Tim J. Robbins
6eb5892c2b Mention that funopen() uses fpos_t incorrectly in the BUGS section. 2004-03-20 08:41:12 +00:00
Tim J. Robbins
1e709c9cb5 Improve documentation for fgetpos() and fsetpos(), and discourage 
users from assuming that fpos_t is an integral type.
 2004-03-20 08:38:27 +00:00
Tim J. Robbins
f639538c20 Do not redundantly set the stream orientation in getc(), putc(), and 
related functions - __sgetc() and __sputc() will set it when necessary.
 2004-03-19 09:04:56 +00:00
Tim J. Robbins
3236e08bf8 Update list of macros defined in <stdio.h>. 2004-03-17 12:54:06 +00:00
Tim J. Robbins
7a0fae27c9 Re-add description of putc() macro (back out rev. 1.13.) 2004-03-17 12:46:17 +00:00
Tim J. Robbins
0ac162b7cc Re-add text that says getc() is a macro (back out rev. 1.16.) 2004-03-17 12:37:28 +00:00
Tim J. Robbins
567d74a5ec Re-add macro versions of getc(), getchar(), putc(), putchar(), feof(), 
ferror(), fileno() and clearerr(), using the value of __isthreaded to
decide between the fast inline single-threaded code and the more
general function equivalent. This gives most of the performance
benefits of the old unsafe macros while preserving thread safety.
 2004-03-17 01:43:08 +00:00
Tim J. Robbins
34d72a66ad Refer to "wide characters" instead of "wide-characters". 2004-03-16 13:30:11 +00:00
Tim J. Robbins
85fa6736d8 Set stream orientation in ungetc() instead of __ungetc(). This avoids 
setting it redundantly when called from ungetwc(), vfscanf() etc.,
which already set the orientation.
 2004-03-10 12:41:11 +00:00
Tim J. Robbins
4124f7c013 Remove duplicate check for EOF from ungetc(); __ungetc() already checks. 2004-03-10 11:13:23 +00:00
Tim J. Robbins
a6a9f0cde3 Call __sputc() directly in fputc() instead of taking an expensive 
detour through putc().
 2004-03-10 10:49:45 +00:00
Tim J. Robbins
2df1baf643 Call __sgetc() directly in getchar() instead of taking an expensive 
detour through getc().
 2004-03-10 10:24:15 +00:00
Tim J. Robbins
87a6c90a99 Set the stream orientation explicitly in fgetln() instead of relying on 
__srefill() to do it.
 2004-03-10 09:28:38 +00:00
Tim J. Robbins
d17235e59f Set stream orientation in puts(). 2004-03-10 09:15:38 +00:00
John Birrell
44fce14365 Backout the previous revision due to objections. 2004-03-09 04:51:58 +00:00
John Birrell
59fac1825f On 4.X it was possible for an application to initialise a local FILE 
structure and call stdio functions. In 5.X this was broken when FILE
locking was introduced into libc.

This change makes most (relevant) stdio functions work again when the
_extra file in FILE isn't initialised (and can't be without a libc
function to do it since the __sFILEX structure is private to libc).
 2004-03-09 02:44:59 +00:00
Jordan K. Hubbard
1b629e865e If handed a file pointer we can't write to, set errno properly to EBADF 
in order to get SUSv2 conformant behavior in higher level calls like
fputs() and puts().

Reviewed by:	bde
 2004-03-02 19:43:51 +00:00
Brian Feldman
d1cd079e12 Document dependence of mktemp(3) on the non-reentrant arc4random(3). 2004-02-20 04:08:28 +00:00
David Schultz
01623eaad2 Merge vfscanf.c,v 1.35. 2004-01-31 23:18:53 +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