Last change
on this file since 1233 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
|
Rev | Line | |
---|
[821] | 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.