diff options
Diffstat (limited to 'missing_d')
-rw-r--r-- | missing_d/ChangeLog | 5 | ||||
-rw-r--r-- | missing_d/intprops.h | 4 | ||||
-rw-r--r-- | missing_d/mktime-internal.h | 53 | ||||
-rw-r--r-- | missing_d/mktime.c | 6 | ||||
-rw-r--r-- | missing_d/verify.h | 3 |
5 files changed, 63 insertions, 8 deletions
diff --git a/missing_d/ChangeLog b/missing_d/ChangeLog index bb4c01a2..9c4879a5 100644 --- a/missing_d/ChangeLog +++ b/missing_d/ChangeLog @@ -1,3 +1,8 @@ +2018-09-21 Arnold D. Robbins <arnold@skeeve.com> + + * intprops.h, mktime.c, verify.h: Updated from GNULIB. + * mktime-internal.h: New file, imported from GNULIB. + 2018-09-07 Arnold D. Robbins <arnold@skeeve.com> * intprops.h, mktime.c: Updated from GNULIB. diff --git a/missing_d/intprops.h b/missing_d/intprops.h index a4be30b8..9702aec4 100644 --- a/missing_d/intprops.h +++ b/missing_d/intprops.h @@ -342,8 +342,8 @@ Arguments should be free of side effects. */ #define _GL_BINARY_OP_OVERFLOW(a, b, op_result_overflow) \ op_result_overflow (a, b, \ - _GL_INT_MINIMUM ((1 ? 0 : (b)) + (a)), \ - _GL_INT_MAXIMUM ((1 ? 0 : (b)) + (a))) + _GL_INT_MINIMUM (_GL_INT_CONVERT (a, b)), \ + _GL_INT_MAXIMUM (_GL_INT_CONVERT (a, b))) /* Store the low-order bits of A + B, A - B, A * B, respectively, into *R. Return 1 if the result overflows. See above for restrictions. */ diff --git a/missing_d/mktime-internal.h b/missing_d/mktime-internal.h new file mode 100644 index 00000000..3e64156e --- /dev/null +++ b/missing_d/mktime-internal.h @@ -0,0 +1,53 @@ +/* mktime variant that also uses an offset guess + + Copyright 2016-2018 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <time.h> + +/* mktime_offset_t is a signed type wide enough to hold a UTC offset + in seconds, and used as part of the type of the offset-guess + argument to mktime_internal. Use time_t on platforms where time_t + is signed, to be compatible with platforms like BeOS that export + this implementation detail of mktime. On platforms where time_t is + unsigned, GNU and POSIX code can assume 'int' is at least 32 bits + which is wide enough for a UTC offset. */ + +#if TIME_T_IS_SIGNED +typedef time_t mktime_offset_t; +#else +typedef int mktime_offset_t; +#endif + +time_t mktime_internal (struct tm *, + struct tm * (*) (time_t const *, struct tm *), + mktime_offset_t *); + +/* Although glibc source code uses leading underscores, Gnulib wants + ordinary names. + + Portable standalone applications should supply a <time.h> that + declares a POSIX-compliant localtime_r, for the benefit of older + implementations that lack localtime_r or have a nonstandard one. + Similarly for gmtime_r. See the gnulib time_r module for one way + to implement this. */ + +#undef __gmtime_r +#undef __localtime_r +#define __gmtime_r gmtime_r +#define __localtime_r localtime_r + +#define __mktime_internal mktime_internal diff --git a/missing_d/mktime.c b/missing_d/mktime.c index 1a332e14..3ecab0d1 100644 --- a/missing_d/mktime.c +++ b/missing_d/mktime.c @@ -76,11 +76,7 @@ # define NEED_MKTIME_WORKING DEBUG_MKTIME #endif -#ifdef _LIBC -typedef long int mktime_offset_t; -#else # include "mktime-internal.h" -#endif #ifndef _LIBC static void @@ -531,7 +527,7 @@ mktime (struct tm *tp) be set as if the tzset() function had been called. */ __tzset (); -# if defined __LIBC || NEED_MKTIME_WORKING +# if defined _LIBC || NEED_MKTIME_WORKING static mktime_offset_t localtime_offset; return __mktime_internal (tp, __localtime_r, &localtime_offset); # else diff --git a/missing_d/verify.h b/missing_d/verify.h index bc7f99db..3b57ddee 100644 --- a/missing_d/verify.h +++ b/missing_d/verify.h @@ -276,7 +276,8 @@ template <int w> when 'assume' silences warnings even with older GCCs. */ # define assume(R) ((R) ? (void) 0 : __builtin_trap ()) #else -# define assume(R) ((void) (0 && (R))) + /* Some tools grok NOTREACHED, e.g., Oracle Studio 12.6. */ +# define assume(R) ((R) ? (void) 0 : /*NOTREACHED*/ (void) 0) #endif /* @assert.h omit end@ */ |