diff options
Diffstat (limited to 'echo.c')
| -rw-r--r-- | echo.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/echo.c b/echo.c deleted file mode 100644 index 31c031528..000000000 --- a/echo.c +++ /dev/null | |||
| @@ -1,152 +0,0 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * echo implementation for busybox | ||
| 4 | * | ||
| 5 | * Copyright (c) 1991, 1993 | ||
| 6 | * The Regents of the University of California. All rights reserved. | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation; either version 2 of the License, or | ||
| 11 | * (at your option) any later version. | ||
| 12 | * | ||
| 13 | * This program is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU General Public License | ||
| 19 | * along with this program; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 21 | * | ||
| 22 | * Original copyright notice is retained at the end of this file. | ||
| 23 | */ | ||
| 24 | |||
| 25 | #include <stdio.h> | ||
| 26 | #include <string.h> | ||
| 27 | #include <stdlib.h> | ||
| 28 | #include "busybox.h" | ||
| 29 | |||
| 30 | extern int | ||
| 31 | echo_main(int argc, char** argv) | ||
| 32 | { | ||
| 33 | int nflag = 0; | ||
| 34 | int eflag = 0; | ||
| 35 | |||
| 36 | /* Skip argv[0]. */ | ||
| 37 | argc--; | ||
| 38 | argv++; | ||
| 39 | |||
| 40 | while (argc > 0 && *argv[0] == '-') | ||
| 41 | { | ||
| 42 | register char *temp; | ||
| 43 | register int ix; | ||
| 44 | |||
| 45 | /* | ||
| 46 | * If it appears that we are handling options, then make sure | ||
| 47 | * that all of the options specified are actually valid. | ||
| 48 | * Otherwise, the string should just be echoed. | ||
| 49 | */ | ||
| 50 | temp = argv[0] + 1; | ||
| 51 | |||
| 52 | for (ix = 0; temp[ix]; ix++) | ||
| 53 | { | ||
| 54 | if (strrchr("neE", temp[ix]) == 0) | ||
| 55 | goto just_echo; | ||
| 56 | } | ||
| 57 | |||
| 58 | if (!*temp) | ||
| 59 | goto just_echo; | ||
| 60 | |||
| 61 | /* | ||
| 62 | * All of the options in temp are valid options to echo. | ||
| 63 | * Handle them. | ||
| 64 | */ | ||
| 65 | while (*temp) | ||
| 66 | { | ||
| 67 | if (*temp == 'n') | ||
| 68 | nflag = 1; | ||
| 69 | else if (*temp == 'e') | ||
| 70 | eflag = 1; | ||
| 71 | else if (*temp == 'E') | ||
| 72 | eflag = 0; | ||
| 73 | else | ||
| 74 | goto just_echo; | ||
| 75 | |||
| 76 | temp++; | ||
| 77 | } | ||
| 78 | argc--; | ||
| 79 | argv++; | ||
| 80 | } | ||
| 81 | |||
| 82 | just_echo: | ||
| 83 | while (argc > 0) { | ||
| 84 | const char *arg = argv[0]; | ||
| 85 | register int c; | ||
| 86 | |||
| 87 | while ((c = *arg++)) { | ||
| 88 | |||
| 89 | /* Check for escape sequence. */ | ||
| 90 | if (c == '\\' && eflag && *arg) { | ||
| 91 | if (*arg == 'c') { | ||
| 92 | /* '\c' means cancel newline. */ | ||
| 93 | nflag = 1; | ||
| 94 | arg++; | ||
| 95 | continue; | ||
| 96 | } else { | ||
| 97 | c = process_escape_sequence(&arg); | ||
| 98 | } | ||
| 99 | } | ||
| 100 | |||
| 101 | putchar(c); | ||
| 102 | } | ||
| 103 | argc--; | ||
| 104 | argv++; | ||
| 105 | if (argc > 0) | ||
| 106 | putchar(' '); | ||
| 107 | } | ||
| 108 | if (!nflag) | ||
| 109 | putchar('\n'); | ||
| 110 | fflush(stdout); | ||
| 111 | |||
| 112 | return EXIT_SUCCESS; | ||
| 113 | } | ||
| 114 | |||
| 115 | /*- | ||
| 116 | * Copyright (c) 1991, 1993 | ||
| 117 | * The Regents of the University of California. All rights reserved. | ||
| 118 | * | ||
| 119 | * This code is derived from software contributed to Berkeley by | ||
| 120 | * Kenneth Almquist. | ||
| 121 | * | ||
| 122 | * Redistribution and use in source and binary forms, with or without | ||
| 123 | * modification, are permitted provided that the following conditions | ||
| 124 | * are met: | ||
| 125 | * 1. Redistributions of source code must retain the above copyright | ||
| 126 | * notice, this list of conditions and the following disclaimer. | ||
| 127 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 128 | * notice, this list of conditions and the following disclaimer in the | ||
| 129 | * documentation and/or other materials provided with the distribution. | ||
| 130 | * | ||
| 131 | * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change | ||
| 132 | * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> | ||
| 133 | * | ||
| 134 | * California, Berkeley and its contributors. | ||
| 135 | * 4. Neither the name of the University nor the names of its contributors | ||
| 136 | * may be used to endorse or promote products derived from this software | ||
| 137 | * without specific prior written permission. | ||
| 138 | * | ||
| 139 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| 140 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 141 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 142 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| 143 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 144 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 145 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 146 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 147 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 148 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 149 | * SUCH DAMAGE. | ||
| 150 | * | ||
| 151 | * @(#)echo.c 8.1 (Berkeley) 5/31/93 | ||
| 152 | */ | ||