Mercurial > hg > xemacs-beta
annotate src/sysfloat.h @ 5781:0853e1ec8529
Use alloca_{rawbytes,ibytes} in #'copy-file, #'insert-file-contents-internal
src/ChangeLog addition:
2014-01-20 Aidan Kehoe <kehoea@parhasard.net>
* fileio.c (Fcopy_file, Finsert_file_contents_internal):
Use alloca_{rawbytes,ibytes} here instead of the implicit alloca
on the stack; doesn't change where the buffers are allocated for
these two functions, but does mean that decisions about alloca
vs. malloc based on buffer size are made in the same place
(ultimately, the ALLOCA() macro).
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Mon, 20 Jan 2014 17:53:07 +0000 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* |
| 2 Copyright (C) 1995 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of XEmacs. | |
| 5 | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
771
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changeset
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6 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 7 under the terms of the GNU General Public License as published by the |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
771
diff
changeset
|
8 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
771
diff
changeset
|
9 option) any later version. |
| 428 | 10 |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
771
diff
changeset
|
17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 18 |
| 19 /* Synched up with: Not really in FSF. */ | |
| 20 | |
| 440 | 21 #ifndef INCLUDED_sysfloat_h_ |
| 22 #define INCLUDED_sysfloat_h_ | |
| 23 | |
| 442 | 24 #if defined(LINUX) && !(defined (__GLIBC__) && (__GLIBC__ >= 2)) |
| 428 | 25 /* These are redefined (correctly, but differently) in values.h. */ |
| 26 #undef INTBITS | |
| 27 #undef LONGBITS | |
| 28 #undef SHORTBITS | |
| 29 #endif | |
| 30 | |
| 31 #include <math.h> | |
| 32 | |
| 442 | 33 #ifdef WIN32_NATIVE |
| 428 | 34 /* A quirky way to obtain logb prototype */ |
| 35 #include <float.h> | |
| 36 #define logb _logb | |
| 37 #endif | |
| 38 | |
| 39 #ifdef HAVE_MATHERR | |
| 40 /* Work around symbol conflict on Linux/glibc */ | |
| 41 #ifndef DOMAIN | |
| 42 /* SysV matherr is not defined if _BSD_SOURCE is used, and on Linux X11 */ | |
| 43 /* is compiled with _BSD_SOURCE which can also change the size of other */ | |
| 44 /* types. The configure test for matherr is broken. */ | |
| 45 /* Bah. Good riddance to bad rubbish. */ | |
| 46 #undef HAVE_MATHERR | |
| 47 #endif | |
| 48 #endif | |
| 49 | |
| 50 #ifdef NO_MATHERR | |
| 51 #undef HAVE_MATHERR | |
| 52 #endif | |
| 53 | |
| 54 #ifdef HAVE_MATHERR | |
| 55 # ifdef FLOAT_CHECK_ERRNO | |
| 56 # undef FLOAT_CHECK_ERRNO | |
| 57 # endif | |
| 58 # ifdef FLOAT_CHECK_DOMAIN | |
| 59 # undef FLOAT_CHECK_DOMAIN | |
| 60 # endif | |
| 61 #endif | |
| 62 | |
| 63 #ifndef NO_FLOAT_CHECK_ERRNO | |
| 64 #define FLOAT_CHECK_ERRNO | |
| 65 #endif | |
| 66 | |
| 67 #ifdef FLOAT_CHECK_ERRNO | |
| 68 # include <errno.h> | |
| 69 #endif | |
| 70 | |
| 71 #ifndef isnan | |
| 72 # define isnan(x) ((x) != (x)) | |
| 73 #endif | |
| 74 | |
| 440 | 75 #endif /* INCLUDED_sysfloat_h_ */ |