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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:29:04 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:29:04 -0800 |
commit | e54eebbf1a908d65ee8cf80bab62821c05666d70 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /sh/bltin/echo.c | |
parent | a1e1c1b106423de09bc918502e7a51d4ffe5a4ae (diff) | |
download | system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.zip system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.tar.gz system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'sh/bltin/echo.c')
-rw-r--r-- | sh/bltin/echo.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/sh/bltin/echo.c b/sh/bltin/echo.c deleted file mode 100644 index bed7535..0000000 --- a/sh/bltin/echo.c +++ /dev/null @@ -1,116 +0,0 @@ -/* $NetBSD: echo.c,v 1.12 2005/02/06 04:43:43 perry Exp $ */ - -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Kenneth Almquist. - * - * 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. - * - * @(#)echo.c 8.1 (Berkeley) 5/31/93 - */ - -/* - * Echo command. - * - * echo is steeped in tradition - several of them! - * netbsd has supported 'echo [-n | -e] args' in spite of -e not being - * documented anywhere. - * Posix requires that -n be supported, output from strings containing - * \ is implementation defined - * The Single Unix Spec requires that \ escapes be treated as if -e - * were set, but that -n not be treated as an option. - * (ksh supports 'echo [-eEn] args', but not -- so that it is actually - * impossible to actually output '-n') - * - * It is suggested that 'printf "%b" "string"' be used to get \ sequences - * expanded. printf is now a builtin of netbsd's sh and csh. - */ - -//#define main echocmd - -#include "bltin.h" - -int -echocmd(int argc, char **argv) -{ - char **ap; - char *p; - char c; - int count; - int nflag = 0; - int eflag = 0; - - ap = argv; - if (argc) - ap++; - - if ((p = *ap) != NULL) { - if (equal(p, "-n")) { - nflag = 1; - ap++; - } else if (equal(p, "-e")) { - eflag = 1; - ap++; - } - } - - while ((p = *ap++) != NULL) { - while ((c = *p++) != '\0') { - if (c == '\\' && eflag) { - switch (*p++) { - case 'a': c = '\a'; break; /* bell */ - case 'b': c = '\b'; break; - case 'c': return 0; /* exit */ - case 'e': c = 033; break; /* escape */ - case 'f': c = '\f'; break; - case 'n': c = '\n'; break; - case 'r': c = '\r'; break; - case 't': c = '\t'; break; - case 'v': c = '\v'; break; - case '\\': break; /* c = '\\' */ - case '0': - c = 0; - count = 3; - while (--count >= 0 && (unsigned)(*p - '0') < 8) - c = (c << 3) + (*p++ - '0'); - break; - default: - /* Output the '/' and char following */ - p--; - break; - } - } - putchar(c); - } - if (*ap) - putchar(' '); - } - if (! nflag) - putchar('\n'); - return 0; -} |