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Wed Jan 24 04:18:36 1996 Paul Eggert <eggert@twinsun.com>
* strftime.c (strftime): When invoking self, check whether the subsidiary invocation failed. Use "???" (not "") to denote unknown time zone information. Make this source file portable to standalone contexts (e.g. GNU Emacs). <config.h>: Include if HAVE_CONFIG_H is defined. (HAVE_LIMITS_H, HAVE_MBLEN, HAVE_TM_ZONE, STDC_HEADERS): New symbols, defined if _LIBC or if <config.h> defines them. <ansidecl.h>, "../locale/localeinfo.h": Include only if _LIBC. <sys/types.h>: New include; some hosts require it for `time_t'. <ctype.h>: Include only if HAVE_MBLEN (since it's only needed then). <limits.h>: Include only if HAVE_LIMITS_H. <stddef.h, stdlib.h, string.h>: Include only if STDC_HEADERS. (memcpy): Define in terms of bcopy if !STDC_HEADERS. (__P, PTR): Define if not already defined. (__tzname, __daylight, __timezone): Remove macros; no longer needed. (add, strftime): Don't use NULL, for portability to some weird hosts. (fmt): If !_LIBC, don't assume sprintf returns a count. (week, strftime): Use old-style function declarations. (weekday_name, month_name): New constants. (strftime): Use traditional C values if locale support isn't available. Use `const' instead of CONST. For time zones, use tm_zone if possible, then fall back on tzname. Don't check for multibyte characters unless mblen is supported. Use formats like %02d instead of %.2d, for portability to older hosts. Wed Jan 24 04:18:36 1996 Paul Eggert <eggert@twinsun.com> * strftime.c (strftime): When invoking self, check whether the subsidiary invocation failed. Use "???" (not "") to denote unknown time zone information. Make this source file portable to standalone contexts (e.g. GNU Emacs). <config.h>: Include if HAVE_CONFIG_H is defined. (HAVE_LIMITS_H, HAVE_MBLEN, HAVE_TM_ZONE, STDC_HEADERS): New symbols, defined if _LIBC or if <config.h> defines them. <ansidecl.h>, "../locale/localeinfo.h": Include only if _LIBC. <sys/types.h>: New include; some hosts require it for `time_t'. <ctype.h>: Include only if HAVE_MBLEN (since it's only needed then). <limits.h>: Include only if HAVE_LIMITS_H. <stddef.h, stdlib.h, string.h>: Include only if STDC_HEADERS. (memcpy): Define in terms of bcopy if !STDC_HEADERS. (__P, PTR): Define if not already defined. (__tzname, __daylight, __timezone): Remove macros; no longer needed. (add, strftime): Don't use NULL, for portability to some weird hosts. (fmt): If !_LIBC, don't assume sprintf returns a count. (week, strftime): Use old-style function declarations. (weekday_name, month_name): New constants. (strftime): Use traditional C values if locale support isn't available. Use `const' instead of CONST. For time zones, use tm_zone if possible, then fall back on tzname. Don't check for multibyte characters unless mblen is supported. Use formats like %02d instead of %.2d, for portability to older hosts. Wed Jan 24 00:07:52 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * stdio-common/vfscanf.c (GROUP, MALLOC): New flag macros. (__vfscanf): Eliminate flag vars that were redundant with FLAGS bits. Fix bug in recognition of %ll flag for long long. Fix overeager checks for conflicting type modifiers. With ' flag, match thousands separators for decimal numbers. Tue Jan 23 22:02:40 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * locale/Makefile (CFLAGS-locfile-lex.c): New variable. * resolv/Makefile (CFLAGS): Disable some warnings. * sysdeps/generic/Makefile (elided-routines): Removed hypot. (+gccwarn): Set with override. * stdio-common/Makefile (CFLAGS-tst-printf.c): New variable. * posix/Makefile (CFLAGS-regex.c): New variable. * malloc/Makefile (CFLAGS-obstack.c): New variable. * io/Makefile (CFLAGS-fts.c): New variable. * io/fts.c (fts_open): Use prototypes for COMPAR decl. Tue Jan 23 21:35:32 1996 Miles Bader <miles@gnu.ai.mit.edu> * sysdeps/mach/hurd/bind.c (bind): Ensure NAME for the AF_LOCAL case is '\0'-terminated. Tue Jan 23 19:49:54 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * elf/rtld.c (dl_main): Support additional args in --list mode for debugging: look them up as symbol names and print values. * misc/getttyent.c (skip, value): Declare with prototypes in file scope. * csu/initfini.c (_init): Explicitly set a variable that is pointer to volatile with the address of __gmon_start__, to avoid the test being optimized out.
This commit is contained in:
Roland McGrath
parent
8ebd0a71be
commit
0793d3483a
71
ChangeLog
71
ChangeLog
@ -1,3 +1,74 @@
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Wed Jan 24 04:18:36 1996 Paul Eggert <eggert@twinsun.com>
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* strftime.c (strftime):
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When invoking self, check whether the subsidiary invocation failed.
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Use "???" (not "") to denote unknown time zone information.
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Make this source file portable to standalone contexts (e.g. GNU Emacs).
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<config.h>: Include if HAVE_CONFIG_H is defined.
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(HAVE_LIMITS_H, HAVE_MBLEN, HAVE_TM_ZONE, STDC_HEADERS): New symbols,
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defined if _LIBC or if <config.h> defines them.
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<ansidecl.h>, "../locale/localeinfo.h": Include only if _LIBC.
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<sys/types.h>: New include; some hosts require it for `time_t'.
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<ctype.h>: Include only if HAVE_MBLEN (since it's only needed then).
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<limits.h>: Include only if HAVE_LIMITS_H.
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<stddef.h, stdlib.h, string.h>: Include only if STDC_HEADERS.
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(memcpy): Define in terms of bcopy if !STDC_HEADERS.
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(__P, PTR): Define if not already defined.
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(__tzname, __daylight, __timezone): Remove macros; no longer needed.
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(add, strftime): Don't use NULL, for portability to some weird hosts.
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(fmt): If !_LIBC, don't assume sprintf returns a count.
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(week, strftime): Use old-style function declarations.
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(weekday_name, month_name): New constants.
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(strftime): Use traditional C values if locale support isn't available.
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Use `const' instead of CONST. For time zones, use tm_zone if
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possible, then fall back on tzname. Don't check for multibyte
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characters unless mblen is supported. Use formats like %02d instead
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of %.2d, for portability to older hosts.
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Wed Jan 24 00:07:52 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* stdio-common/vfscanf.c (GROUP, MALLOC): New flag macros.
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(__vfscanf): Eliminate flag vars that were redundant with FLAGS bits.
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Fix bug in recognition of %ll flag for long long.
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Fix overeager checks for conflicting type modifiers.
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With ' flag, match thousands separators for decimal numbers.
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Tue Jan 23 22:02:40 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* locale/Makefile (CFLAGS-locfile-lex.c): New variable.
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* resolv/Makefile (CFLAGS): Disable some warnings.
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* sysdeps/generic/Makefile (elided-routines): Removed hypot.
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(+gccwarn): Set with override.
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* stdio-common/Makefile (CFLAGS-tst-printf.c): New variable.
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* posix/Makefile (CFLAGS-regex.c): New variable.
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* malloc/Makefile (CFLAGS-obstack.c): New variable.
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* io/Makefile (CFLAGS-fts.c): New variable.
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* io/fts.c (fts_open): Use prototypes for COMPAR decl.
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Tue Jan 23 21:35:32 1996 Miles Bader <miles@gnu.ai.mit.edu>
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* sysdeps/mach/hurd/bind.c (bind): Ensure NAME for the AF_LOCAL
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case is '\0'-terminated.
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Tue Jan 23 19:49:54 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* elf/rtld.c (dl_main): Support additional args in --list mode for
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debugging: look them up as symbol names and print values.
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* misc/getttyent.c (skip, value): Declare with prototypes in file
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scope.
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* csu/initfini.c (_init): Explicitly set a variable that is
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pointer to volatile with the address of __gmon_start__, to avoid
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the test being optimized out.
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Mon Jan 22 10:40:40 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* sysdeps/posix/getcwd.c [__GNU_LIBRARY__]: Include unistd.h.
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@ -48,3 +48,5 @@ others := pwd
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tests := test-utime
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include ../Rules
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CFLAGS-fts.c = -Wno-write-strings
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@ -54,3 +54,5 @@ $(objpfx)locale: $(locale-modules:%=$(objpfx)%.o)
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$(objpfx)localedef $(objpfx)locale: $(lib-modules:%=$(objpfx)%.o)
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CPPFLAGS += -DLOCALE_PATH='"$(localedir)"' -DCHARMAP_PATH='"$(nlsdir)/charmap"'
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CFLAGS-locfile-lex.c = -Wno-write-strings
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@ -1,4 +1,4 @@
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# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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@ -52,6 +52,8 @@ gpl2lgpl := getopt.c getopt1.c getopt.h regex.c regex.h
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include ../Rules
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CFLAGS-regex.c = -Wno-unused -Wno-strict-prototypes
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$(objpfx)libposix.a: $(dep-dummy-lib); $(make-dummy-lib)
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lib: $(objpfx)libposix.a
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@ -29,3 +29,5 @@ routines := gethnamaddr getnetbyaddr getnetbyname getnetent getnetnamadr \
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res_query res_send sethostent inet_addr
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include ../Rules
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CFLAGS += -Wno-strict-prototypes -Wno-comment -Wno-write-strings
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@ -44,3 +44,5 @@ tests := tst-printf tstscanf test_rdwr test-popen tstgetln test-fseek \
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include ../Rules
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CFLAGS-tst-printf.c = -Wno-format
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@ -35,13 +35,15 @@ Cambridge, MA 02139, USA. */
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#endif
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/* Those are flags in the conversion format. */
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# define LONG 0x01 /* l: long or double */
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# define LONGDBL 0x02 /* L: long long or long double */
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# define SHORT 0x04 /* h: short */
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# define SUPPRESS 0x08 /* suppress assignment */
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# define POINTER 0x10 /* weird %p pointer (`fake hex') */
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# define NOSKIP 0x20 /* do not skip blanks */
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# define WIDTH 0x40 /* width */
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# define LONG 0x001 /* l: long or double */
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# define LONGDBL 0x002 /* L: long long or long double */
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# define SHORT 0x004 /* h: short */
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# define SUPPRESS 0x008 /* *: suppress assignment */
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# define POINTER 0x010 /* weird %p pointer (`fake hex') */
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# define NOSKIP 0x020 /* do not skip blanks */
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# define WIDTH 0x040 /* width was given */
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# define GROUP 0x080 /* ': group numbers */
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# define MALLOC 0x100 /* a: malloc strings */
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#ifdef USE_IN_LIBIO
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@ -108,20 +110,9 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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register size_t done = 0; /* Assignments done. */
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register size_t read_in = 0; /* Chars read in. */
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register int c; /* Last char read. */
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register int do_assign; /* Whether to do an assignment. */
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register int width; /* Maximum field width. */
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int group_flag; /* %' modifier flag. */
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int flags; /* Trace flags for current format element. */
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register int flags; /* Modifiers for current format element. */
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/* Type modifiers. */
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int is_short, is_long, is_long_double;
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#ifdef HAVE_LONGLONG
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/* We use the `L' modifier for `long long int'. */
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# define is_longlong is_long_double
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#else
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# define is_longlong 0
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#endif
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int malloc_string; /* Args are char ** to be filled in. */
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/* Status for reading F-P nums. */
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char got_dot, got_e;
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/* If a [...] is a [^...]. */
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@ -132,6 +123,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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int number_signed;
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/* Decimal point character. */
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wchar_t decimal;
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/* The thousands character of the current locale. */
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wchar_t thousands;
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/* Integral holding variables. */
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union
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{
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@ -173,6 +166,10 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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if (mbtowc (&decimal, _NL_CURRENT (LC_NUMERIC, DECIMAL_POINT),
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strlen (_NL_CURRENT (LC_NUMERIC, DECIMAL_POINT))) <= 0)
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decimal = (wchar_t) *_NL_CURRENT (LC_NUMERIC, DECIMAL_POINT);
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/* Figure out the thousands separator character. */
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if (mbtowc (&thousands, _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
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strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0)
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thousands = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
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c = inchar ();
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@ -255,9 +252,6 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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/* Initialize state of modifiers. */
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argpos = 0;
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do_assign = 1;
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group_flag = 0;
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is_short = is_long = is_long_double = malloc_string = 0;
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/* Prepare temporary buffer. */
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wpsize = 0;
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@ -274,6 +268,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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{
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/* Oops; that was actually the field width. */
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width = argpos;
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flags |= WIDTH;
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argpos = 0;
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goto got_width;
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}
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@ -284,11 +279,10 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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switch (*f++)
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{
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case '*':
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flags = SUPPRESS;
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do_assign = 0;
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flags |= SUPPRESS;
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break;
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case '\'':
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group_flag = 1;
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flags |= GROUP;
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break;
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}
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@ -313,42 +307,36 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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{
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case 'h':
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/* int's are short int's. */
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if (flags & ~(SUPPRESS | WIDTH))
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if (flags & (LONG|LONGDBL))
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/* Signal illegal format element. */
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conv_error ();
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flags |= SHORT;
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is_short = 1;
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break;
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case 'l':
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if (is_long)
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if (flags & SHORT)
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conv_error ();
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else if (flags & LONG)
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{
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/* A double `l' is equivalent to an `L'. */
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if ((flags & ~(SUPPRESS | WIDTH)))
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conv_error ();
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flags &= ~LONG;
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flags |= LONGDBL;
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is_longlong = 1;
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}
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else
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{
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/* int's are long int's. */
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flags |= LONG;
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is_long = 1;
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}
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/* int's are long int's. */
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flags |= LONG;
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break;
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case 'q':
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case 'L':
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/* double's are long double's, and int's are long long int's. */
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if (flags & ~(SUPPRESS | WIDTH))
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if (flags & (LONG|SHORT))
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/* Signal illegal format element. */
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conv_error ();
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flags |= LONGDBL;
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is_long_double = 1;
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break;
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case 'a':
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/* String conversions (%s, %[) take a `char **'
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arg and fill it in with a malloc'd pointer. */
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malloc_string = 1;
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flags |= MALLOC;
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break;
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}
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@ -375,12 +363,12 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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break;
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case 'n': /* Answer number of assignments done. */
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if (do_assign)
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if (!(flags & SUPPRESS))
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*ARG (int *) = read_in - 1; /* Don't count the read-ahead. */
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break;
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case 'c': /* Match characters. */
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if (do_assign)
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if (!(flags & SUPPRESS))
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{
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str = ARG (char *);
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if (str == NULL)
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@ -393,7 +381,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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if (width == -1)
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width = 1;
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if (do_assign)
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if (!(flags & SUPPRESS))
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{
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do
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*str++ = c;
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@ -402,16 +390,16 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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else
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while (inchar () != EOF && --width > 0);
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if (do_assign)
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if (!(flags & SUPPRESS))
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++done;
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break;
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case 's': /* Read a string. */
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#define STRING_ARG \
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if (do_assign) \
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if (!(flags & SUPPRESS)) \
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{ \
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if (malloc_string) \
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if (flags & MALLOC) \
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{ \
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/* The string is to be stored in a malloc'd buffer. */ \
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strptr = ARG (char **); \
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@ -436,10 +424,10 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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if (isspace (c))
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break;
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#define STRING_ADD_CHAR(c) \
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if (do_assign) \
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if (!(flags & SUPPRESS)) \
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{ \
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*str++ = c; \
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if (malloc_string && str == *strptr + strsize) \
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if ((flags & MALLOC) && str == *strptr + strsize) \
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{ \
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/* Enlarge the buffer. */ \
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str = realloc (*strptr, strsize * 2); \
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@ -474,7 +462,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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STRING_ADD_CHAR (c);
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} while (inchar () != EOF && (width <= 0 || --width > 0));
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if (do_assign)
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if (!(flags & SUPPRESS))
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{
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*str = '\0';
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++done;
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@ -550,7 +538,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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while (c != EOF && width != 0)
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{
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if (base == 16 ? !isxdigit (c) :
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(!isdigit (c) || c - '0' >= base))
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((!isdigit (c) || c - '0' >= base) &&
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!((flags & GROUP) && base == 10 && c == thousands)))
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break;
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ADDW (c);
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if (width > 0)
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@ -566,32 +555,32 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
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/* Convert the number. */
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ADDW ('\0');
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if (is_longlong)
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if (flags & LONGDBL)
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{
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if (number_signed)
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num.q = __strtoq_internal (wp, &tw, base, group_flag);
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num.q = __strtoq_internal (wp, &tw, base, flags & GROUP);
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else
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num.uq = __strtouq_internal (wp, &tw, base, group_flag);
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num.uq = __strtouq_internal (wp, &tw, base, flags & GROUP);
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}
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else
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{
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if (number_signed)
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num.l = __strtol_internal (wp, &tw, base, group_flag);
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num.l = __strtol_internal (wp, &tw, base, flags & GROUP);
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else
|
||||
num.ul = __strtoul_internal (wp, &tw, base, group_flag);
|
||||
num.ul = __strtoul_internal (wp, &tw, base, flags & GROUP);
|
||||
}
|
||||
if (wp == tw)
|
||||
conv_error ();
|
||||
|
||||
if (do_assign)
|
||||
if (!(flags & SUPPRESS))
|
||||
{
|
||||
if (! number_signed)
|
||||
{
|
||||
if (is_longlong)
|
||||
if (flags & LONGDBL)
|
||||
*ARG (unsigned LONGLONG int *) = num.uq;
|
||||
else if (is_long)
|
||||
else if (flags & LONG)
|
||||
*ARG (unsigned long int *) = num.ul;
|
||||
else if (is_short)
|
||||
else if (flags & SHORT)
|
||||
*ARG (unsigned short int *)
|
||||
= (unsigned short int) num.ul;
|
||||
else
|
||||
@ -599,11 +588,11 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
}
|
||||
else
|
||||
{
|
||||
if (is_longlong)
|
||||
if (flags & LONGDBL)
|
||||
*ARG (LONGLONG int *) = num.q;
|
||||
else if (is_long)
|
||||
else if (flags & LONG)
|
||||
*ARG (long int *) = num.l;
|
||||
else if (is_short)
|
||||
else if (flags & SHORT)
|
||||
*ARG (short int *) = (short int) num.l;
|
||||
else
|
||||
*ARG (int *) = (int) num.l;
|
||||
@ -649,6 +638,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
ADDW (c);
|
||||
got_dot = 1;
|
||||
}
|
||||
else if ((flags & GROUP) && c == thousands && !got_dot)
|
||||
ADDW (c);
|
||||
else
|
||||
break;
|
||||
if (width > 0)
|
||||
@ -663,29 +654,29 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
|
||||
/* Convert the number. */
|
||||
ADDW ('\0');
|
||||
if (is_long_double)
|
||||
if (flags & LONGDBL)
|
||||
{
|
||||
long double d = __strtold_internal (wp, &tw, group_flag);
|
||||
if (do_assign && tw != wp)
|
||||
long double d = __strtold_internal (wp, &tw, flags & GROUP);
|
||||
if (!(flags & SUPPRESS) && tw != wp)
|
||||
*ARG (long double *) = d;
|
||||
}
|
||||
else if (is_long)
|
||||
else if (flags & LONG)
|
||||
{
|
||||
double d = __strtod_internal (wp, &tw, group_flag);
|
||||
if (do_assign && tw != wp)
|
||||
double d = __strtod_internal (wp, &tw, flags & GROUP);
|
||||
if (!(flags & SUPPRESS) && tw != wp)
|
||||
*ARG (double *) = d;
|
||||
}
|
||||
else
|
||||
{
|
||||
float d = __strtof_internal (wp, &tw, group_flag);
|
||||
if (do_assign && tw != wp)
|
||||
float d = __strtof_internal (wp, &tw, flags & GROUP);
|
||||
if (!(flags & SUPPRESS) && tw != wp)
|
||||
*ARG (float *) = d;
|
||||
}
|
||||
|
||||
if (tw == wp)
|
||||
conv_error ();
|
||||
|
||||
if (do_assign)
|
||||
if (!(flags & SUPPRESS))
|
||||
++done;
|
||||
break;
|
||||
|
||||
@ -751,7 +742,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
if (read_in == num.ul)
|
||||
conv_error ();
|
||||
|
||||
if (do_assign)
|
||||
if (!(flags & SUPPRESS))
|
||||
{
|
||||
*str = '\0';
|
||||
++done;
|
||||
@ -761,7 +752,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
case 'p': /* Generic pointer. */
|
||||
base = 16;
|
||||
/* A PTR must be the same size as a `long int'. */
|
||||
is_long = 1;
|
||||
flags &= ~(SHORT|LONGDBL);
|
||||
flags |= LONG;
|
||||
number_signed = 0;
|
||||
goto number;
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
|
||||
# Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
|
||||
# This file is part of the GNU C Library.
|
||||
|
||||
# The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -19,10 +19,11 @@
|
||||
ifeq ($(subdir),math)
|
||||
ifndef math-twiddled
|
||||
|
||||
elided-routines := $(elided-routines) acos asin cos sin hypot
|
||||
sysdep_routines := $(sysdep_routines) sincos asincos exp__E log__L
|
||||
sysdep_routines += sincos asincos exp__E log__L
|
||||
elided-routines += acos asin cos sin
|
||||
|
||||
math-twiddled := t
|
||||
override +gccwarn := -w
|
||||
endif
|
||||
|
||||
endif
|
||||
|
||||
204
time/strftime.c
204
time/strftime.c
@ -21,22 +21,57 @@ License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
|
||||
#include <ansidecl.h>
|
||||
#include "../locale/localeinfo.h"
|
||||
#include <ctype.h>
|
||||
#include <limits.h>
|
||||
#include <stddef.h>
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#ifdef _LIBC
|
||||
# define HAVE_LIMITS_H 1
|
||||
# define HAVE_MBLEN 1
|
||||
# define HAVE_TM_ZONE 1
|
||||
# define STDC_HEADERS 1
|
||||
# include <ansidecl.h>
|
||||
# include "../locale/localeinfo.h"
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/types.h> /* Some systems define `time_t' here. */
|
||||
#include <time.h>
|
||||
|
||||
#ifndef HAVE_GNU_LD
|
||||
#define __tzname tzname
|
||||
#define __daylight daylight
|
||||
#define __timezone timezone
|
||||
#if HAVE_MBLEN
|
||||
# include <ctype.h>
|
||||
#endif
|
||||
|
||||
#if HAVE_LIMITS_H
|
||||
# include <limits.h>
|
||||
#endif
|
||||
|
||||
#if STDC_HEADERS
|
||||
# include <stddef.h>
|
||||
# include <stdlib.h>
|
||||
# include <string.h>
|
||||
#else
|
||||
# define memcpy(d, s, n) bcopy (s, d, n)
|
||||
#endif
|
||||
|
||||
#ifndef __P
|
||||
#if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
|
||||
#define __P(args) args
|
||||
#else
|
||||
#define __P(args) ()
|
||||
#endif /* GCC. */
|
||||
#endif /* Not __P. */
|
||||
|
||||
#ifndef PTR
|
||||
#ifdef __STDC__
|
||||
#define PTR void *
|
||||
#else
|
||||
#define PTR char *
|
||||
#endif
|
||||
#endif
|
||||
|
||||
static unsigned int week __P((const struct tm *const, int));
|
||||
|
||||
|
||||
#define add(n, f) \
|
||||
do \
|
||||
@ -45,14 +80,19 @@ Cambridge, MA 02139, USA. */
|
||||
if (i >= maxsize) \
|
||||
return 0; \
|
||||
else \
|
||||
if (p != NULL) \
|
||||
if (p) \
|
||||
{ \
|
||||
f; \
|
||||
p += (n); \
|
||||
} \
|
||||
} while (0)
|
||||
#define cpy(n, s) add((n), memcpy((PTR) p, (PTR) (s), (n)))
|
||||
|
||||
#ifdef _LIBC
|
||||
#define fmt(n, args) add((n), if (sprintf args != (n)) return 0)
|
||||
#else
|
||||
#define fmt(n, args) add((n), sprintf args; if (strlen (p) != (n)) return 0)
|
||||
#endif
|
||||
|
||||
/* Return the week in the year specified by TP,
|
||||
with weeks starting on STARTING_DAY. */
|
||||
@ -60,8 +100,9 @@ Cambridge, MA 02139, USA. */
|
||||
inline
|
||||
#endif
|
||||
static unsigned int
|
||||
DEFUN(week, (tp, starting_day),
|
||||
CONST struct tm *CONST tp AND int starting_day)
|
||||
week (tp, starting_day)
|
||||
const struct tm *const tp;
|
||||
int starting_day;
|
||||
{
|
||||
int wday, dl;
|
||||
|
||||
@ -78,6 +119,18 @@ DEFUN(week, (tp, starting_day),
|
||||
return dl <= 0 ? 0 : ((dl / 7) + ((dl % 7) == 0 ? 0 : 1));
|
||||
}
|
||||
|
||||
#ifndef _NL_CURRENT
|
||||
static char const weekday_name[][10] =
|
||||
{
|
||||
"Sunday", "Monday", "Tuesday", "Wednesday",
|
||||
"Thursday", "Friday", "Saturday"
|
||||
};
|
||||
static char const month_name[][10] =
|
||||
{
|
||||
"January", "February", "March", "April", "May", "June",
|
||||
"July", "August", "September", "October", "November", "December"
|
||||
};
|
||||
#endif
|
||||
|
||||
/* Write information from TP into S according to the format
|
||||
string FORMAT, writing no more that MAXSIZE characters
|
||||
@ -86,40 +139,55 @@ DEFUN(week, (tp, starting_day),
|
||||
anywhere, so to determine how many characters would be
|
||||
written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */
|
||||
size_t
|
||||
DEFUN(strftime, (s, maxsize, format, tp),
|
||||
char *s AND size_t maxsize AND
|
||||
CONST char *format AND register CONST struct tm *tp)
|
||||
strftime (s, maxsize, format, tp)
|
||||
char *s;
|
||||
size_t maxsize;
|
||||
const char *format;
|
||||
register const struct tm *tp;
|
||||
{
|
||||
CONST char *CONST a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday);
|
||||
CONST char *CONST f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday);
|
||||
CONST char *CONST a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon);
|
||||
CONST char *CONST f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon);
|
||||
int hour12 = tp->tm_hour;
|
||||
#ifdef _NL_CURRENT
|
||||
const char *const a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday);
|
||||
const char *const f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday);
|
||||
const char *const a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon);
|
||||
const char *const f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon);
|
||||
const char *const ampm = _NL_CURRENT (LC_TIME,
|
||||
hour12 > 12 ? PM_STR : AM_STR);
|
||||
size_t aw_len = strlen(a_wkday);
|
||||
size_t am_len = strlen(a_month);
|
||||
size_t ap_len = strlen (ampm);
|
||||
#else
|
||||
const char *const f_wkday = weekday_name[tp->tm_wday];
|
||||
const char *const f_month = month_name[tp->tm_mon];
|
||||
const char *const a_wkday = f_wkday;
|
||||
const char *const a_month = f_month;
|
||||
const char *const ampm = "AMPM" + 2 * (hour12 > 12);
|
||||
size_t aw_len = 3;
|
||||
size_t am_len = 3;
|
||||
size_t ap_len = 2;
|
||||
#endif
|
||||
size_t wkday_len = strlen(f_wkday);
|
||||
size_t month_len = strlen(f_month);
|
||||
int hour12 = tp->tm_hour;
|
||||
CONST char *CONST ampm = _NL_CURRENT (LC_TIME,
|
||||
hour12 > 12 ? PM_STR : AM_STR);
|
||||
size_t ap_len = strlen (ampm);
|
||||
CONST unsigned int y_week0 = week (tp, 0);
|
||||
CONST unsigned int y_week1 = week (tp, 1);
|
||||
CONST char *zone;
|
||||
const unsigned int y_week0 = week (tp, 0);
|
||||
const unsigned int y_week1 = week (tp, 1);
|
||||
const char *zone;
|
||||
size_t zonelen;
|
||||
register size_t i = 0;
|
||||
register char *p = s;
|
||||
register CONST char *f;
|
||||
register const char *f;
|
||||
|
||||
if (tp->tm_isdst < 0)
|
||||
{
|
||||
zone = "";
|
||||
zonelen = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
zone = __tzname[tp->tm_isdst];
|
||||
zonelen = strlen(zone);
|
||||
}
|
||||
zone = 0;
|
||||
#if HAVE_TM_ZONE
|
||||
zone = (const char *) tp->tm_zone;
|
||||
#endif
|
||||
#if HAVE_TZNAME
|
||||
if (!(zone && *zone) && tp->tm_isdst >= 0)
|
||||
zone = tzname[tp->tm_isdst];
|
||||
#endif
|
||||
if (!(zone && *zone))
|
||||
zone = "???";
|
||||
|
||||
zonelen = strlen (zone);
|
||||
|
||||
if (hour12 > 12)
|
||||
hour12 -= 12;
|
||||
@ -128,8 +196,9 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
|
||||
for (f = format; *f != '\0'; ++f)
|
||||
{
|
||||
CONST char *subfmt;
|
||||
const char *subfmt;
|
||||
|
||||
#if HAVE_MBLEN
|
||||
if (!isascii(*f))
|
||||
{
|
||||
/* Non-ASCII, may be a multibyte. */
|
||||
@ -140,6 +209,7 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
continue;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (*f != '%')
|
||||
{
|
||||
@ -173,24 +243,36 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
break;
|
||||
|
||||
case 'c':
|
||||
#ifdef _NL_CURRENT
|
||||
subfmt = _NL_CURRENT (LC_TIME, D_T_FMT);
|
||||
#else
|
||||
subfmt = "%a %b %d %H:%M:%S %Z %Y";
|
||||
#endif
|
||||
subformat:
|
||||
{
|
||||
size_t len = strftime (p, maxsize - i, subfmt, tp);
|
||||
if (len == 0 && *subfmt)
|
||||
return 0;
|
||||
add(len, );
|
||||
}
|
||||
break;
|
||||
|
||||
case 'C':
|
||||
fmt (2, (p, "%.2d", (1900 + tp->tm_year) / 100));
|
||||
fmt (2, (p, "%02d", (1900 + tp->tm_year) / 100));
|
||||
break;
|
||||
|
||||
case 'x':
|
||||
#ifdef _NL_CURRENT
|
||||
subfmt = _NL_CURRENT (LC_TIME, D_FMT);
|
||||
goto subformat;
|
||||
#endif
|
||||
/* Fall through. */
|
||||
case 'D': /* GNU extension. */
|
||||
subfmt = "%m/%d/%y";
|
||||
goto subformat;
|
||||
|
||||
case 'd':
|
||||
fmt(2, (p, "%.2d", tp->tm_mday));
|
||||
fmt(2, (p, "%02d", tp->tm_mday));
|
||||
break;
|
||||
|
||||
case 'e': /* GNU extension: %d, but blank-padded. */
|
||||
@ -198,11 +280,11 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
break;
|
||||
|
||||
case 'H':
|
||||
fmt(2, (p, "%.2d", tp->tm_hour));
|
||||
fmt(2, (p, "%02d", tp->tm_hour));
|
||||
break;
|
||||
|
||||
case 'I':
|
||||
fmt(2, (p, "%.2d", hour12));
|
||||
fmt(2, (p, "%02d", hour12));
|
||||
break;
|
||||
|
||||
case 'k': /* GNU extension. */
|
||||
@ -214,15 +296,15 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
break;
|
||||
|
||||
case 'j':
|
||||
fmt(3, (p, "%.3d", 1 + tp->tm_yday));
|
||||
fmt(3, (p, "%03d", 1 + tp->tm_yday));
|
||||
break;
|
||||
|
||||
case 'M':
|
||||
fmt(2, (p, "%.2d", tp->tm_min));
|
||||
fmt(2, (p, "%02d", tp->tm_min));
|
||||
break;
|
||||
|
||||
case 'm':
|
||||
fmt(2, (p, "%.2d", tp->tm_mon + 1));
|
||||
fmt(2, (p, "%02d", tp->tm_mon + 1));
|
||||
break;
|
||||
|
||||
case 'n': /* GNU extension. */
|
||||
@ -242,9 +324,15 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
goto subformat;
|
||||
|
||||
case 'S':
|
||||
fmt(2, (p, "%.2d", tp->tm_sec));
|
||||
fmt(2, (p, "%02d", tp->tm_sec));
|
||||
break;
|
||||
|
||||
case 'X':
|
||||
#ifdef _NL_CURRENT
|
||||
subfmt = _NL_CURRENT (LC_TIME, T_FMT);
|
||||
goto subformat;
|
||||
#endif
|
||||
/* Fall through. */
|
||||
case 'T': /* GNU extenstion. */
|
||||
subfmt = "%H:%M:%S";
|
||||
goto subformat;
|
||||
@ -254,31 +342,23 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
break;
|
||||
|
||||
case 'U':
|
||||
fmt(2, (p, "%.2u", y_week0));
|
||||
fmt(2, (p, "%02u", y_week0));
|
||||
break;
|
||||
|
||||
case 'W':
|
||||
fmt(2, (p, "%.2u", y_week1));
|
||||
fmt(2, (p, "%02u", y_week1));
|
||||
break;
|
||||
|
||||
case 'w':
|
||||
fmt(2, (p, "%.2d", tp->tm_wday));
|
||||
fmt(2, (p, "%02d", tp->tm_wday));
|
||||
break;
|
||||
|
||||
case 'X':
|
||||
subfmt = _NL_CURRENT (LC_TIME, T_FMT);
|
||||
goto subformat;
|
||||
|
||||
case 'x':
|
||||
subfmt = _NL_CURRENT (LC_TIME, D_FMT);
|
||||
goto subformat;
|
||||
|
||||
case 'Y':
|
||||
fmt(4, (p, "%.4d", 1900 + tp->tm_year));
|
||||
fmt(4, (p, "%04d", 1900 + tp->tm_year));
|
||||
break;
|
||||
|
||||
case 'y':
|
||||
fmt(2, (p, "%.2d", tp->tm_year % 100));
|
||||
fmt(2, (p, "%02d", tp->tm_year % 100));
|
||||
break;
|
||||
|
||||
case 'Z':
|
||||
@ -291,7 +371,7 @@ DEFUN(strftime, (s, maxsize, format, tp),
|
||||
}
|
||||
}
|
||||
|
||||
if (p != NULL)
|
||||
if (p)
|
||||
*p = '\0';
|
||||
return i;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user