diff options
Diffstat (limited to 'cpukit/libmisc/shell/utils-ls.c')
| -rw-r--r-- | cpukit/libmisc/shell/utils-ls.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/cpukit/libmisc/shell/utils-ls.c b/cpukit/libmisc/shell/utils-ls.c new file mode 100644 index 0000000000..7ff0d1b4bd --- /dev/null +++ b/cpukit/libmisc/shell/utils-ls.c @@ -0,0 +1,117 @@ +/* $NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $ */ + +/* + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#if 0 +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)util.c 8.5 (Berkeley) 4/28/95"; +#else +__RCSID("$NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $"); +#endif +#endif /* not lint */ +#endif + +#include <sys/types.h> +#include <sys/stat.h> + +#include <ctype.h> +#include <err.h> +#include <fts.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <vis.h> + +#include "extern-ls.h" + +#define SIZE_T_MAX 255 + +int +safe_print(rtems_shell_ls_globals* globals, const char *src) +{ + size_t len; + char *name; + int flags; + + flags = VIS_NL | VIS_OCTAL; + if (f_octal_escape) + flags |= VIS_CSTYLE; + + len = strlen(src); + if (len != 0 && SIZE_T_MAX/len <= 4) { + errx(exit_jump, EXIT_FAILURE, "%s: name too long", src); + /* NOTREACHED */ + } + + name = (char *)malloc(4*len+1); + if (name != NULL) { + len = strvis(name, src, flags); + printf("%s", name); + free(name); + return len; + } else + errx(exit_jump, EXIT_FAILURE, "out of memory!"); + /* NOTREACHED */ +} + +int +printescaped(rtems_shell_ls_globals* globals __attribute__((unused)), const char *src) +{ + unsigned char c; + int n; + + for (n = 0; (c = *src) != '\0'; ++src, ++n) + if (isprint(c)) + (void)putchar(c); + else + (void)putchar('?'); + return n; +} + +void +usage(rtems_shell_ls_globals* globals) +{ + + (void)fprintf(stderr, + "usage: %s [-AaBbCcdFfghikLlmnopqRrSsTtuWwx1] [file ...]\n", + "ls"); + exit(EXIT_FAILURE); + /* NOTREACHED */ +} |