Last change
on this file since 3835 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
|
File size:
1.5 KB
|
Line | |
---|
1 | /* vi: set sw=4 ts=4: */
|
---|
2 | /*
|
---|
3 | * Utility routines.
|
---|
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
|
---|
8 | *
|
---|
9 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
---|
10 | */
|
---|
11 |
|
---|
12 | #include <stdio.h>
|
---|
13 | #include <stdlib.h>
|
---|
14 | #include "libbb.h"
|
---|
15 |
|
---|
16 | /* get_line_from_file() - This function reads an entire line from a text file,
|
---|
17 | * up to a newline or NUL byte. It returns a malloc'ed char * which must be
|
---|
18 | * stored and free'ed by the caller. If end is null '\n' isn't considered
|
---|
19 | * and of line. If end isn't null, length of the chunk read is stored in it. */
|
---|
20 |
|
---|
21 | char *bb_get_chunk_from_file(FILE * file, int *end)
|
---|
22 | {
|
---|
23 | int ch;
|
---|
24 | int idx = 0;
|
---|
25 | char *linebuf = NULL;
|
---|
26 | int linebufsz = 0;
|
---|
27 |
|
---|
28 | while ((ch = getc(file)) != EOF) {
|
---|
29 | /* grow the line buffer as necessary */
|
---|
30 | if (idx > linebufsz - 2) {
|
---|
31 | linebuf = xrealloc(linebuf, linebufsz += 80);
|
---|
32 | }
|
---|
33 | linebuf[idx++] = (char) ch;
|
---|
34 | if (!ch || (end && ch == '\n'))
|
---|
35 | break;
|
---|
36 | }
|
---|
37 | if (end)
|
---|
38 | *end = idx;
|
---|
39 | if (linebuf) {
|
---|
40 | if (ferror(file)) {
|
---|
41 | free(linebuf);
|
---|
42 | return NULL;
|
---|
43 | }
|
---|
44 | linebuf[idx] = 0;
|
---|
45 | }
|
---|
46 | return linebuf;
|
---|
47 | }
|
---|
48 |
|
---|
49 | /* Get line, including trailing /n if any */
|
---|
50 | char *bb_get_line_from_file(FILE * file)
|
---|
51 | {
|
---|
52 | int i;
|
---|
53 |
|
---|
54 | return bb_get_chunk_from_file(file, &i);
|
---|
55 | }
|
---|
56 |
|
---|
57 | /* Get line. Remove trailing /n */
|
---|
58 | char *bb_get_chomped_line_from_file(FILE * file)
|
---|
59 | {
|
---|
60 | int i;
|
---|
61 | char *c = bb_get_chunk_from_file(file, &i);
|
---|
62 |
|
---|
63 | if (i && c[--i] == '\n')
|
---|
64 | c[i] = 0;
|
---|
65 |
|
---|
66 | return c;
|
---|
67 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.