1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) many different people.
6 * If you wrote this, please acknowledge your work.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 /* get_line_from_file() - This function reads an entire line from a text file,
28 * up to a newline. It returns a malloc'ed char * which must be stored and
29 * free'ed by the caller. If 'c' is nonzero, the trailing '\n' (if any)
30 * is removed. In event of a read error or EOF, NULL is returned. */
32 static char *private_get_line_from_file(FILE *file, int c)
34 #define GROWBY (80) /* how large we will grow strings by */
41 while ((ch = getc(file)) != EOF) {
42 /* grow the line buffer as necessary */
43 if (idx > linebufsz - 2) {
44 linebuf = xrealloc(linebuf, linebufsz += GROWBY);
46 linebuf[idx++] = (char)ch;
47 if (!ch) return linebuf;
48 if (c<2 && ch == '\n') {
65 extern char *bb_get_line_from_file(FILE *file)
67 return private_get_line_from_file(file, 0);
70 extern char *bb_get_chomped_line_from_file(FILE *file)
72 return private_get_line_from_file(file, 1);
75 extern char *bb_get_chunk_from_file(FILE *file)
77 return private_get_line_from_file(file, 2);