Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 416 insertions, 0 deletions

diff --git a/src/kmk/kmkbuiltin/cat.c b/src/kmk/kmkbuiltin/cat.c
new file mode 100644
index 0000000..7b52d0f
--- /dev/null
+++ b/src/kmk/kmkbuiltin/cat.c
@@ -0,0 +1,416 @@
+/*-
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Kevin Fall.
+ *
+ * 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.
+ * 4. 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.
+ */
+
+#if 0
+#ifndef lint
+static char const copyright[] =
+"@(#) Copyright (c) 1989, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+#endif
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)cat.c	8.2 (Berkeley) 4/27/95";
+#endif
+#endif /* not lint */
+#if 0
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/bin/cat/cat.c,v 1.32 2005/01/10 08:39:20 imp Exp $");
+#endif
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define FAKES_NO_GETOPT_H /* bird */
+#define NO_UDOM_SUPPORT /* kmk */
+#include "config.h"
+#ifndef _MSC_VER
+# include <sys/param.h>
+#endif
+#include <sys/stat.h>
+#ifndef NO_UDOM_SUPPORT
+# include <sys/socket.h>
+# include <sys/un.h>
+# include <errno.h>
+#endif
+
+#include <ctype.h>
+#include "err.h"
+#include <fcntl.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stddef.h>
+#include "getopt_r.h"
+#ifdef __sun__
+# include "solfakes.h"
+#endif
+#ifdef _MSC_VER
+# include "mscfakes.h"
+#endif
+#include "kmkbuiltin.h"
+
+
+/*********************************************************************************************************************************
+*   Structures and Typedefs                                                                                                      *
+*********************************************************************************************************************************/
+typedef struct CATINSTANCE
+{
+    PKMKBUILTINCTX pCtx;
+    int bflag, eflag, nflag, sflag, tflag, vflag;
+    /*int rval;*/
+    const char *filename;
+    /* function level statics from raw_cat (needs freeing): */
+    size_t bsize;
+    char *buf;
+} CATINSTANCE;
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+static struct option long_options[] =
+{
+    { "help",   					no_argument, 0, 261 },
+    { "version",   					no_argument, 0, 262 },
+    { 0, 0,	0, 0 },
+};
+
+
+static int usage(PKMKBUILTINCTX pCtx, int fIsErr);
+static int scanfiles(CATINSTANCE *pThis, char *argv[], int cooked);
+static int cook_cat(CATINSTANCE *pThis, FILE *);
+static int raw_cat(CATINSTANCE *pThis, int);
+
+#ifndef NO_UDOM_SUPPORT
+static int udom_open(PKMKBUILTINCTX pCtx, const char *path, int flags);
+#endif
+
+int
+kmk_builtin_cat(int argc, char **argv, char **envp, PKMKBUILTINCTX pCtx)
+{
+	struct getopt_state_r gos;
+	CATINSTANCE This;
+	int ch, rc;
+
+	/* kmk: reinitialize globals */
+	This.pCtx = pCtx;
+	This.bflag = This.eflag = This.nflag = This.sflag = This.tflag = This.vflag = 0;
+	This.filename = NULL;
+	This.bsize = 0;
+	This.buf = 0;
+
+	getopt_initialize_r(&gos, argc, argv, "benstuv", long_options, envp, pCtx);
+	while ((ch = getopt_long_r(&gos, NULL)) != -1)
+		switch (ch) {
+		case 'b':
+			This.bflag = This.nflag = 1;	/* -b implies -n */
+			break;
+		case 'e':
+			This.eflag = This.vflag = 1;	/* -e implies -v */
+			break;
+		case 'n':
+			This.nflag = 1;
+			break;
+		case 's':
+			This.sflag = 1;
+			break;
+		case 't':
+			This.tflag = This.vflag = 1;	/* -t implies -v */
+			break;
+		case 'u':
+#ifdef KMK_BUILTIN_STANDALONE /* don't allow messing with stdout */
+			setbuf(stdout, NULL);
+#endif
+			break;
+		case 'v':
+			This.vflag = 1;
+			break;
+		case 261:
+			usage(pCtx, 0);
+			return 0;
+		case 262:
+			return kbuild_version(argv[0]);
+		default:
+			return usage(pCtx, 1);
+		}
+	argv += gos.optind;
+
+	if (This.bflag || This.eflag || This.nflag || This.sflag || This.tflag || This.vflag)
+		rc = scanfiles(&This, argv, 1);
+	else
+		rc = scanfiles(&This, argv, 0);
+	if (This.buf) {
+		free(This.buf);
+		This.buf = NULL;
+	}
+#ifdef KMK_BUILTIN_STANDALONE /* don't allow messing with stdout */
+	if (fclose(stdout))
+		return err(pCtx, 1, "stdout");
+#endif
+	return rc;
+}
+
+#ifdef KMK_BUILTIN_STANDALONE
+int main(int argc, char **argv, char **envp)
+{
+	KMKBUILTINCTX Ctx = { "kmk_cat", NULL };
+	setlocale(LC_CTYPE, "");
+	return kmk_builtin_cat(argc, argv, envp, &Ctx);
+}
+#endif
+
+static int
+usage(PKMKBUILTINCTX pCtx, int fIsErr)
+{
+	kmk_builtin_ctx_printf(pCtx, fIsErr,
+			       "usage: %s [-benstuv] [file ...]\n"
+			       "   or: %s --help\n"
+			       "   or: %s --version\n",
+			       pCtx->pszProgName, pCtx->pszProgName,
+			       pCtx->pszProgName);
+	return 1;
+}
+
+static int
+scanfiles(CATINSTANCE *pThis, char *argv[], int cooked)
+{
+	int i = 0;
+	char *path;
+	FILE *fp;
+	int rc2 = 0;
+	int rc = 0;
+
+	while ((path = argv[i]) != NULL || i == 0) {
+		int fd;
+
+		if (path == NULL || strcmp(path, "-") == 0) {
+			pThis->filename = "stdin";
+			fd = STDIN_FILENO;
+		} else {
+			pThis->filename = path;
+			fd = open(path, O_RDONLY | KMK_OPEN_NO_INHERIT);
+#ifndef NO_UDOM_SUPPORT
+			if (fd < 0 && errno == EOPNOTSUPP)
+				fd = udom_open(pThis, path, O_RDONLY);
+#endif
+		}
+		if (fd < 0) {
+			warn(pThis->pCtx, "%s", path);
+			rc2 = 1; /* non fatal */
+		} else if (cooked) {
+			if (fd == STDIN_FILENO)
+				rc = cook_cat(pThis, stdin);
+			else {
+				fp = fdopen(fd, "r");
+				rc = cook_cat(pThis, fp);
+				fclose(fp);
+			}
+		} else {
+			rc = raw_cat(pThis, fd);
+			if (fd != STDIN_FILENO)
+				close(fd);
+		}
+		if (rc || path == NULL)
+			break;
+		++i;
+	}
+	return !rc ? rc2 : rc;
+}
+
+static int
+cat_putchar(PKMKBUILTINCTX pCtx, char ch)
+{
+#ifndef KMK_BUILTIN_STANDALONE
+	if (pCtx->pOut) {
+		output_write_text(pCtx->pOut, 0, &ch, 1);
+		return 0;
+	}
+#endif
+	return putchar(ch);
+}
+
+static int
+cook_cat(CATINSTANCE *pThis, FILE *fp)
+{
+	int ch, gobble, line, prev;
+	int rc = 0;
+
+	/* Reset EOF condition on stdin. */
+	if (fp == stdin && feof(stdin))
+		clearerr(stdin);
+
+	line = gobble = 0;
+	for (prev = '\n'; (ch = getc(fp)) != EOF; prev = ch) {
+		if (prev == '\n') {
+			if (pThis->sflag) {
+				if (ch == '\n') {
+					if (gobble)
+						continue;
+					gobble = 1;
+				} else
+					gobble = 0;
+			}
+			if (pThis->nflag && (!pThis->bflag || ch != '\n')) {
+				kmk_builtin_ctx_printf(pThis->pCtx, 0, "%6d\t", ++line);
+				if (ferror(stdout))
+					break;
+			}
+		}
+		if (ch == '\n') {
+			if (pThis->eflag && cat_putchar(pThis->pCtx, '$') == EOF)
+				break;
+		} else if (ch == '\t') {
+			if (pThis->tflag) {
+				if (cat_putchar(pThis->pCtx, '^') == EOF || cat_putchar(pThis->pCtx, 'I') == EOF)
+					break;
+				continue;
+			}
+		} else if (pThis->vflag) {
+			if (!isascii(ch) && !isprint(ch)) {
+				if (cat_putchar(pThis->pCtx, 'M') == EOF || cat_putchar(pThis->pCtx, '-') == EOF)
+					break;
+				ch = toascii(ch);
+			}
+			if (iscntrl(ch)) {
+				if (cat_putchar(pThis->pCtx, '^') == EOF ||
+				    cat_putchar(pThis->pCtx, ch == '\177' ? '?' :
+				    ch | 0100) == EOF)
+					break;
+				continue;
+			}
+		}
+		if (cat_putchar(pThis->pCtx, ch) == EOF)
+			break;
+	}
+	if (ferror(fp)) {
+		warn(pThis->pCtx, "%s", pThis->filename);
+		rc = 1;
+		clearerr(fp);
+	}
+	if (ferror(stdout))
+		return err(pThis->pCtx, 1, "stdout");
+	return rc;
+}
+
+static int
+raw_cat(CATINSTANCE *pThis, int rfd)
+{
+	int off, wfd = fileno(stdout);
+	ssize_t nr, nw;
+
+	wfd = fileno(stdout);
+	if (pThis->buf == NULL) {
+		struct stat sbuf;
+		if (fstat(wfd, &sbuf))
+			return err(pThis->pCtx, 1, "%s", pThis->filename);
+#ifdef KBUILD_OS_WINDOWS
+		pThis->bsize = 16384;
+#else
+		pThis->bsize = MAX(sbuf.st_blksize, 1024);
+#endif
+		if ((pThis->buf = malloc(pThis->bsize)) == NULL)
+			return err(pThis->pCtx, 1, "buffer");
+	}
+	while ((nr = read(rfd, pThis->buf, pThis->bsize)) > 0)
+		for (off = 0; nr; nr -= nw, off += nw) {
+#ifndef KMK_BUILTIN_STANDALONE
+			if (pThis->pCtx->pOut)
+				nw = output_write_text(pThis->pCtx->pOut, 0, pThis->buf + off, nr);
+			else
+#endif
+				nw = write(wfd, pThis->buf + off, (size_t)nr);
+			if (nw < 0)
+				return err(pThis->pCtx, 1, "stdout");
+		}
+	if (nr < 0) {
+		warn(pThis->pCtx, "%s", pThis->filename);
+		return 1;
+	}
+	return 0;
+}
+
+#ifndef NO_UDOM_SUPPORT
+
+static int
+udom_open(CATINSTANCE *pThis, const char *path, int flags)
+{
+	struct sockaddr_un sou;
+	int fd;
+	unsigned int len;
+
+	bzero(&sou, sizeof(sou));
+
+	/*
+	 * Construct the unix domain socket address and attempt to connect
+	 */
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (fd >= 0) {
+		sou.sun_family = AF_UNIX;
+		if ((len = strlcpy(sou.sun_path, path,
+		    sizeof(sou.sun_path))) >= sizeof(sou.sun_path)) {
+			errno = ENAMETOOLONG;
+			return (-1);
+		}
+		len = offsetof(struct sockaddr_un, sun_path[len+1]);
+
+		if (connect(fd, (void *)&sou, len) < 0) {
+			close(fd);
+			fd = -1;
+		}
+	}
+
+	/*
+	 * handle the open flags by shutting down appropriate directions
+	 */
+	if (fd >= 0) {
+		switch(flags & O_ACCMODE) {
+		case O_RDONLY:
+			if (shutdown(fd, SHUT_WR) == -1)
+				warn(pThis->pCtx, NULL);
+			break;
+		case O_WRONLY:
+			if (shutdown(fd, SHUT_RD) == -1)
+				warn(pThis->pCtx, NULL);
+			break;
+		default:
+			break;
+		}
+	}
+	return(fd);
+}
+
+#endif
+