1 | /* $NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $ */ |
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2 | |
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3 | /* |
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4 | * Copyright (c) 1989, 1993, 1994 |
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5 | * The Regents of the University of California. All rights reserved. |
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6 | * |
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7 | * This code is derived from software contributed to Berkeley by |
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8 | * Michael Fischbein. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * 3. Neither the name of the University nor the names of its contributors |
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19 | * may be used to endorse or promote products derived from this software |
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20 | * without specific prior written permission. |
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21 | * |
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22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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32 | * SUCH DAMAGE. |
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33 | */ |
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34 | |
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35 | #ifdef HAVE_CONFIG_H |
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36 | #include "config.h" |
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37 | #endif |
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38 | |
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39 | #if 0 |
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40 | #include <sys/cdefs.h> |
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41 | #ifndef lint |
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42 | #if 0 |
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43 | static char sccsid[] = "@(#)util.c 8.5 (Berkeley) 4/28/95"; |
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44 | #else |
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45 | __RCSID("$NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $"); |
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46 | #endif |
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47 | #endif /* not lint */ |
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48 | #endif |
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49 | |
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50 | #include <sys/types.h> |
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51 | #include <sys/stat.h> |
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52 | |
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53 | #include <ctype.h> |
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54 | #include "err.h" |
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55 | #include "fts.h" |
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56 | #include <limits.h> |
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57 | #include <stdio.h> |
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58 | #include <stdlib.h> |
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59 | #include <string.h> |
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60 | #include "vis.h" |
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61 | |
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62 | #include "extern-ls.h" |
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63 | |
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64 | #define SIZE_T_MAX 255 |
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65 | |
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66 | int |
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67 | safe_print(rtems_shell_ls_globals* globals, const char *src) |
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68 | { |
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69 | size_t len; |
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70 | char *name; |
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71 | int flags; |
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72 | |
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73 | flags = VIS_NL | VIS_OCTAL; |
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74 | if (f_octal_escape) |
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75 | flags |= VIS_CSTYLE; |
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76 | |
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77 | len = strlen(src); |
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78 | if (len != 0 && SIZE_T_MAX/len <= 4) { |
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79 | errx(exit_jump, EXIT_FAILURE, "%s: name too long", src); |
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80 | /* NOTREACHED */ |
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81 | } |
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82 | |
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83 | name = (char *)malloc(4*len+1); |
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84 | if (name != NULL) { |
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85 | len = strvis(name, src, flags); |
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86 | printf("%s", name); |
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87 | free(name); |
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88 | return len; |
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89 | } else |
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90 | errx(exit_jump, EXIT_FAILURE, "out of memory!"); |
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91 | /* NOTREACHED */ |
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92 | } |
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93 | |
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94 | int |
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95 | printescaped(rtems_shell_ls_globals* globals RTEMS_UNUSED, const char *src) |
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96 | { |
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97 | unsigned char c; |
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98 | int n; |
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99 | |
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100 | for (n = 0; (c = *src) != '\0'; ++src, ++n) |
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101 | if (isprint(c)) |
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102 | (void)putchar(c); |
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103 | else |
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104 | (void)putchar('?'); |
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105 | return n; |
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106 | } |
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107 | |
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108 | void |
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109 | usage(rtems_shell_ls_globals* globals) |
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110 | { |
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111 | |
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112 | (void)fprintf(stderr, |
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113 | "usage: %s [-AaBbCcdFfghikLlmnopqRrSsTtuWwx1] [file ...]\n", |
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114 | "ls"); |
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115 | exit(EXIT_FAILURE); |
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116 | /* NOTREACHED */ |
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117 | } |
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