diff options
Diffstat (limited to 'librols/stdio/fgetline.c')
-rw-r--r-- | librols/stdio/fgetline.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/librols/stdio/fgetline.c b/librols/stdio/fgetline.c new file mode 100644 index 0000000..910e0e6 --- /dev/null +++ b/librols/stdio/fgetline.c @@ -0,0 +1,84 @@ +/* + * This file has been modified for the cdrkit suite. + * + * The behaviour and appearence of the program code below can differ to a major + * extent from the version distributed by the original author(s). + * + * For details, see Changelog file distributed with the cdrkit package. If you + * received this file from another source then ask the distributing person for + * a log of modifications. + * + */ + +/* @(#)fgetline.c 1.8 04/09/25 Copyright 1986, 1996-2003 J. Schilling */ +/* + * Copyright (c) 1986, 1996-2003 J. Schilling + */ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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; see the file COPYING. If not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "schilyio.h" + +/* + * XXX should we check if HAVE_USG_STDIO is defined and + * XXX use something line memccpy to speed things up ??? + */ + +EXPORT int +rols_fgetline(f, buf, len) + register FILE *f; + char *buf; + register int len; +{ + register int c = '\0'; + register char *bp = buf; + register int nl = '\n'; + + down2(f, _IOREAD, _IORW); + + for (;;) { + if ((c = getc(f)) < 0) + break; + if (c == nl) + break; + if (--len > 0) { + *bp++ = (char)c; + } else { + /* + * Read up to end of line + */ + while ((c = getc(f)) >= 0 && c != nl) + /* LINTED */ + ; + break; + } + } + *bp = '\0'; + /* + * If buffer is empty and we hit EOF, return EOF + */ + if (c < 0 && bp == buf) + return (c); + + return (bp - buf); +} + +EXPORT int +rols_getline(buf, len) + char *buf; + int len; +{ + return (rols_fgetline(stdin, buf, len)); +} |