diff options
author | scuri <scuri> | 2009-08-20 12:35:06 +0000 |
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committer | scuri <scuri> | 2009-08-20 12:35:06 +0000 |
commit | 5d735255ddd3cb2f547abd3d03969af3fb7eb04e (patch) | |
tree | 8fb66510bc625bb1b08ccb41f1b83fb0f7cb8f19 /src/fftw3/api/import-wisdom-from-file.c | |
parent | 35733b87eed86e5228f12fa10c98a3d9d22a6073 (diff) |
*** empty log message ***
Diffstat (limited to 'src/fftw3/api/import-wisdom-from-file.c')
-rw-r--r-- | src/fftw3/api/import-wisdom-from-file.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/fftw3/api/import-wisdom-from-file.c b/src/fftw3/api/import-wisdom-from-file.c deleted file mode 100644 index e682ab9..0000000 --- a/src/fftw3/api/import-wisdom-from-file.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (c) 2003 Matteo Frigo - * Copyright (c) 2003 Massachusetts Institute of Technology - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include "api.h" -#include <stdio.h> - -/* getc()/putc() are *unbelievably* slow on linux. Looks like glibc - is grabbing a lock for each call to getc()/putc(), or something - like that. You pay the price for these idiotic posix threads - whether you use them or not. - - So, we do our own buffering. This completely defeats the purpose - of having stdio in the first place, of course. -*/ - -#define BUFSZ 256 - -typedef struct { - scanner super; - FILE *f; - char buf[BUFSZ]; - char *bufr, *bufw; -} S; - -static int getchr_file(scanner * sc_) -{ - S *sc = (S *) sc_; - - if (sc->bufr >= sc->bufw) { - sc->bufr = sc->buf; - sc->bufw = sc->buf + fread(sc->buf, 1, BUFSZ, sc->f); - if (sc->bufr >= sc->bufw) - return EOF; - } - - return *(sc->bufr++); -} - -static scanner *mkscanner_file(FILE *f) -{ - S *sc = (S *) X(mkscanner)(sizeof(S), getchr_file); - sc->f = f; - sc->bufr = sc->bufw = sc->buf; - return &sc->super; -} - -int X(import_wisdom_from_file)(FILE *input_file) -{ - scanner *s = mkscanner_file(input_file); - planner *plnr = X(the_planner)(); - int ret = plnr->adt->imprt(plnr, s); - X(scanner_destroy)(s); - return ret; -} |