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 must be
16 * stored and 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 */
20 char *bb_get_chunk_from_file(FILE *file, int *end)
27 while ((ch = getc(file)) != EOF) {
28 /* grow the line buffer as necessary */
29 if (idx >= linebufsz) {
31 linebuf = xrealloc(linebuf, linebufsz);
33 linebuf[idx++] = (char) ch;
34 if (!ch || (end && ch == '\n'))
40 // huh, does fgets discard prior data on error like this?
41 // I don't think so....
46 linebuf = xrealloc(linebuf, idx+1);
52 /* Get line, including trailing \n if any */
53 char *xmalloc_fgets(FILE *file)
57 return bb_get_chunk_from_file(file, &i);
60 /* Get line. Remove trailing \n */
61 char *xmalloc_getline(FILE *file)
64 char *c = bb_get_chunk_from_file(file, &i);
66 if (i && c[--i] == '\n')