1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 2005, 2006 Rob Landley <rob@landley.net>
6 * Copyright (C) 2004 Erik Andersen <andersen@codepoet.org>
7 * Copyright (C) 2001 Matt Krai
9 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
14 /* This function reads an entire line from a text file, up to a newline
15 * or NUL byte, inclusive. It returns a malloc'ed char * which
16 * must be free'ed by the caller. If end is NULL '\n' isn't considered
17 * end of line. If end isn't NULL, length of the chunk read is stored in it.
18 * Return NULL if EOF/error */
19 char *bb_get_chunk_from_file(FILE *file, int *end)
26 while ((ch = getc(file)) != EOF) {
27 /* grow the line buffer as necessary */
28 if (idx >= linebufsz) {
30 linebuf = xrealloc(linebuf, linebufsz);
32 linebuf[idx++] = (char) ch;
33 if (!ch || (end && ch == '\n'))
39 // huh, does fgets discard prior data on error like this?
40 // I don't think so....
45 linebuf = xrealloc(linebuf, idx+1);
51 /* Get line, including trailing \n if any */
52 char *xmalloc_fgets(FILE *file)
56 return bb_get_chunk_from_file(file, &i);
59 /* Get line. Remove trailing \n */
60 char *xmalloc_getline(FILE *file)
63 char *c = bb_get_chunk_from_file(file, &i);
65 if (i && c[--i] == '\n')