Last change
on this file since 1089 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)
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File size:
1.5 KB
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Rev | Line | |
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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| 5 | * Copyright (C) 2005, 2006 Rob Landley <rob@landley.net>
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| 6 | * Copyright (C) 2004 Erik Andersen <andersen@codepoet.org>
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| 7 | * Copyright (C) 2001 Matt Krai
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| 8 | *
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| 9 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 10 | */
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| 11 |
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| 12 | #include <stdio.h>
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| 13 | #include <stdlib.h>
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| 14 | #include "libbb.h"
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| 15 |
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| 16 | /* get_line_from_file() - This function reads an entire line from a text file,
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| 17 | * up to a newline or NUL byte. It returns a malloc'ed char * which must be
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| 18 | * stored and free'ed by the caller. If end is null '\n' isn't considered
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| 19 | * and of line. If end isn't null, length of the chunk read is stored in it. */
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| 20 |
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| 21 | char *bb_get_chunk_from_file(FILE * file, int *end)
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| 22 | {
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| 23 | int ch;
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| 24 | int idx = 0;
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| 25 | char *linebuf = NULL;
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| 26 | int linebufsz = 0;
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| 27 |
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| 28 | while ((ch = getc(file)) != EOF) {
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| 29 | /* grow the line buffer as necessary */
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| 30 | if (idx > linebufsz - 2) {
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| 31 | linebuf = xrealloc(linebuf, linebufsz += 80);
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| 32 | }
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| 33 | linebuf[idx++] = (char) ch;
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| 34 | if (!ch || (end && ch == '\n'))
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| 35 | break;
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| 36 | }
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| 37 | if (end)
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| 38 | *end = idx;
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| 39 | if (linebuf) {
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| 40 | if (ferror(file)) {
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| 41 | free(linebuf);
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| 42 | return NULL;
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| 43 | }
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| 44 | linebuf[idx] = 0;
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| 45 | }
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| 46 | return linebuf;
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| 47 | }
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| 48 |
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| 49 | /* Get line, including trailing /n if any */
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| 50 | char *bb_get_line_from_file(FILE * file)
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| 51 | {
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| 52 | int i;
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| 53 |
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| 54 | return bb_get_chunk_from_file(file, &i);
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| 55 | }
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| 56 |
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| 57 | /* Get line. Remove trailing /n */
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| 58 | char *bb_get_chomped_line_from_file(FILE * file)
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| 59 | {
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| 60 | int i;
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| 61 | char *c = bb_get_chunk_from_file(file, &i);
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| 62 |
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| 63 | if (i && c[--i] == '\n')
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| 64 | c[i] = 0;
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| 65 |
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| 66 | return c;
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| 67 | }
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