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Diffstat (limited to 'src/kmk/kmkbuiltin/cmp.c')
| -rw-r--r-- | src/kmk/kmkbuiltin/cmp.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/kmk/kmkbuiltin/cmp.c b/src/kmk/kmkbuiltin/cmp.c new file mode 100644 index 0000000..238d044 --- /dev/null +++ b/src/kmk/kmkbuiltin/cmp.c @@ -0,0 +1,153 @@ +/* $NetBSD: cmp.c,v 1.15 2006/01/19 20:44:57 garbled Exp $ */ + +/* + * Copyright (c) 1987, 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * 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. + */ + +/*__COPYRIGHT("@(#) Copyright (c) 1987, 1990, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"); +static char sccsid[] = "@(#)cmp.c 8.3 (Berkeley) 4/2/94"; +__RCSID("$NetBSD: cmp.c,v 1.15 2006/01/19 20:44:57 garbled Exp $"); */ + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define FAKES_NO_GETOPT_H /* bird */ +#ifdef _MSC_VER +# define MSC_DO_64_BIT_IO /* for correct off_t */ +#endif +#include "config.h" +#include <sys/types.h> +#include "err.h" +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <locale.h> +#ifndef _MSC_VER +# include <unistd.h> +#else +# include "mscfakes.h" +#endif +#include "getopt_r.h" +#include "kmkbuiltin.h" +#include "cmp_extern.h" + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static const struct option long_options[] = +{ + { "help", no_argument, 0, 261 }, + { "version", no_argument, 0, 262 }, + { 0, 0, 0, 0 }, +}; + + +static int usage(PKMKBUILTINCTX pCtx, int is_err); + +int +kmk_builtin_cmp(int argc, char **argv, char **envp, PKMKBUILTINCTX pCtx) +{ + struct getopt_state_r gos; + off_t skip1 = 0, skip2 = 0; + int lflag = 0, sflag = 0; + int ch; + char *file1, *file2; + + getopt_initialize_r(&gos, argc, argv, "ls", long_options, envp, pCtx); + while ((ch = getopt_long_r(&gos, NULL)) != -1) + { + switch (ch) + { + case 'l': /* print all differences */ + lflag = 1; + break; + case 's': /* silent run */ + sflag = 1; + break; + case 261: + usage(pCtx, 0); + return 0; + case 262: + return kbuild_version(argv[0]); + case '?': + default: + return usage(pCtx, 1); + } + } + argv += gos.optind; + argc -= gos.optind; + + if (argc < 2 || argc > 4) + return usage(pCtx, 1); + + file1 = argv[0]; + file2 = argv[1]; + + if (argc > 2) + { + char *ep; + + errno = 0; + skip1 = strtoll(argv[2], &ep, 0); + if (errno || ep == argv[2]) + return errx(pCtx, ERR_EXIT, "strtoll(%s,,) failed", argv[2]); + + if (argc == 4) + { + skip2 = strtoll(argv[3], &ep, 0); + if (errno || ep == argv[3]) + return errx(pCtx, ERR_EXIT, "strtoll(%s,,) failed", argv[3]); + } + } + + return cmp_file_and_file_ex(pCtx, file1, skip1, file2, skip2, sflag, lflag, 0); +} + +static int +usage(PKMKBUILTINCTX pCtx, int is_err) +{ + kmk_builtin_ctx_printf(pCtx, is_err, + "usage: %s [-l | -s] file1 file2 [skip1 [skip2]]\n" + " or: %s --help\n" + " or: %s --version\n", + pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName); + return ERR_EXIT; +} + +#ifdef KMK_BUILTIN_STANDALONE +int main(int argc, char **argv, char **envp) +{ + KMKBUILTINCTX Ctx = { "kmk_cmp", NULL }; + setlocale(LC_ALL, ""); + return kmk_builtin_cmp(argc, argv, envp, &Ctx); +} +#endif + |