345 need an open printf(1)

Reviewed by: cjlove@san.rr.com
Reviewed by: jason.brian.king@gmail.com
Reviewed by: gwr@nexenta.com
Approved by: gwr@nexenta.com

6 files changed, 589 insertions, 1 deletions

diff --git a/usr/src/Makefile.lint b/usr/src/Makefile.lint
index 987455a16c..c3d9cd6c15 100644
--- a/usr/src/Makefile.lint
+++ b/usr/src/Makefile.lint
@@ -233,6 +233,7 @@ COMMON_SUBDIRS = \
 	cmd/pools \
 	cmd/power \
 	cmd/powertop \
+	cmd/printf \
 	cmd/latencytop \
 	cmd/ppgsz \
 	cmd/praudit \
diff --git a/usr/src/cmd/Makefile b/usr/src/cmd/Makefile
index 9a844e6dd5..dac3533bbb 100644
--- a/usr/src/cmd/Makefile
+++ b/usr/src/cmd/Makefile
@@ -20,6 +20,7 @@
 #
 
 # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
 
 include ../Makefile.master
 
@@ -308,6 +309,7 @@ COMMON_SUBDIRS=		\
 	pr		\
 	prctl		\
 	print		\
+	printf		\
 	priocntl	\
 	profiles	\
 	projadd		\
diff --git a/usr/src/cmd/printf/Makefile b/usr/src/cmd/printf/Makefile
new file mode 100644
index 0000000000..e90154574b
--- /dev/null
+++ b/usr/src/cmd/printf/Makefile
@@ -0,0 +1,30 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy is of the CDDL is also available via the Internet
+# at http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
+#
+
+PROG= printf
+
+include ../Makefile.cmd
+
+.KEEP_STATE:
+
+all: $(PROG) 
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/printf/printf.c b/usr/src/cmd/printf/printf.c
new file mode 100644
index 0000000000..d0b2f527e1
--- /dev/null
+++ b/usr/src/cmd/printf/printf.c
@@ -0,0 +1,555 @@
+/*
+ * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 1989, 1993
+ *	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.
+ * 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.
+ */
+
+#include <sys/types.h>
+
+#include <err.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <locale.h>
+#include <note.h>
+
+#define	warnx1(a, b, c)		warnx(a)
+#define	warnx2(a, b, c)		warnx(a, b)
+#define	warnx3(a, b, c)		warnx(a, b, c)
+
+#define	PTRDIFF(x, y)	((uintptr_t)(x) - (uintptr_t)(y))
+
+#define	_(x)	gettext(x)
+
+#define	PF(f, func) do {						\
+	char *b = NULL;							\
+	int dollar = 0;							\
+	if (*f == '$') 	{						\
+		dollar++;						\
+		*f = '%';						\
+	} 								\
+	if (havewidth)							\
+		if (haveprec)						\
+			(void) asprintf(&b, f, fieldwidth, precision, func); \
+		else							\
+			(void) asprintf(&b, f, fieldwidth, func);	\
+	else if (haveprec)						\
+		(void) asprintf(&b, f, precision, func);		\
+	else								\
+		(void) asprintf(&b, f, func);				\
+	if (b) {							\
+		(void) fputs(b, stdout);				\
+		free(b);						\
+	}								\
+	if (dollar)							\
+		*f = '$';						\
+_NOTE(CONSTCOND) } while (0)
+
+static int	 asciicode(void);
+static char	*doformat(char *, int *);
+static int	 escape(char *, int, size_t *);
+static int	 getchr(void);
+static int	 getfloating(long double *, int);
+static int	 getint(int *);
+static int	 getnum(intmax_t *, uintmax_t *, int);
+static const char
+		*getstr(void);
+static char	*mknum(char *, char);
+static void	 usage(void);
+
+static int  myargc;
+static char **myargv;
+static char **gargv;
+
+int
+main(int argc, char *argv[])
+{
+	size_t len;
+	int chopped, end, rval;
+	char *format, *fmt, *start;
+
+	(void) setlocale(LC_ALL, "");
+
+	argv++;
+	argc--;
+
+	/*
+	 * POSIX says: Standard utilities that do not accept options,
+	 * but that do accept operands, shall recognize "--" as a
+	 * first argument to be discarded.
+	 */
+	if (strcmp(argv[0], "--") == 0) {
+		argc--;
+		argv++;
+	}
+
+	if (argc < 1) {
+		usage();
+		return (1);
+	}
+
+	/*
+	 * Basic algorithm is to scan the format string for conversion
+	 * specifications -- once one is found, find out if the field
+	 * width or precision is a '*'; if it is, gather up value.  Note,
+	 * format strings are reused as necessary to use up the provided
+	 * arguments, arguments of zero/null string are provided to use
+	 * up the format string.
+	 */
+	fmt = format = *argv;
+	chopped = escape(fmt, 1, &len);		/* backslash interpretation */
+	rval = end = 0;
+	gargv = ++argv;
+
+	for (;;) {
+		char **maxargv = gargv;
+
+		myargv = gargv;
+		for (myargc = 0; gargv[myargc]; myargc++)
+			/* nop */;
+		start = fmt;
+		while (fmt < format + len) {
+			if (fmt[0] == '%') {
+				(void) fwrite(start, 1, PTRDIFF(fmt, start),
+				    stdout);
+				if (fmt[1] == '%') {
+					/* %% prints a % */
+					(void) putchar('%');
+					fmt += 2;
+				} else {
+					fmt = doformat(fmt, &rval);
+					if (fmt == NULL)
+						return (1);
+					end = 0;
+				}
+				start = fmt;
+			} else
+				fmt++;
+			if (gargv > maxargv)
+				maxargv = gargv;
+		}
+		gargv = maxargv;
+
+		if (end == 1) {
+			warnx1(_("missing format character"), NULL, NULL);
+			return (1);
+		}
+		(void) fwrite(start, 1, PTRDIFF(fmt, start), stdout);
+		if (chopped || !*gargv)
+			return (rval);
+		/* Restart at the beginning of the format string. */
+		fmt = format;
+		end = 1;
+	}
+	/* NOTREACHED */
+}
+
+
+static char *
+doformat(char *start, int *rval)
+{
+	static const char skip1[] = "#'-+ 0";
+	static const char skip2[] = "0123456789";
+	char *fmt;
+	int fieldwidth, haveprec, havewidth, mod_ldbl, precision;
+	char convch, nextch;
+
+	fmt = start + 1;
+
+	/* look for "n$" field index specifier */
+	fmt += strspn(fmt, skip2);
+	if ((*fmt == '$') && (fmt != (start + 1))) {
+		int idx = atoi(start + 1);
+		if (idx <= myargc) {
+			gargv = &myargv[idx - 1];
+		} else {
+			gargv = &myargv[myargc];
+		}
+		start = fmt;
+		fmt++;
+	} else {
+		fmt = start + 1;
+	}
+
+	/* skip to field width */
+	fmt += strspn(fmt, skip1);
+	if (*fmt == '*') {
+		if (getint(&fieldwidth))
+			return (NULL);
+		havewidth = 1;
+		++fmt;
+	} else {
+		havewidth = 0;
+
+		/* skip to possible '.', get following precision */
+		fmt += strspn(fmt, skip2);
+	}
+	if (*fmt == '.') {
+		/* precision present? */
+		++fmt;
+		if (*fmt == '*') {
+			if (getint(&precision))
+				return (NULL);
+			haveprec = 1;
+			++fmt;
+		} else {
+			haveprec = 0;
+
+			/* skip to conversion char */
+			fmt += strspn(fmt, skip2);
+		}
+	} else
+		haveprec = 0;
+	if (!*fmt) {
+		warnx1(_("missing format character"), NULL, NULL);
+		return (NULL);
+	}
+
+	/*
+	 * Look for a length modifier.  POSIX doesn't have these, so
+	 * we only support them for floating-point conversions, which
+	 * are extensions.  This is useful because the L modifier can
+	 * be used to gain extra range and precision, while omitting
+	 * it is more likely to produce consistent results on different
+	 * architectures.  This is not so important for integers
+	 * because overflow is the only bad thing that can happen to
+	 * them, but consider the command  printf %a 1.1
+	 */
+	if (*fmt == 'L') {
+		mod_ldbl = 1;
+		fmt++;
+		if (!strchr("aAeEfFgG", *fmt)) {
+			warnx2(_("bad modifier L for %%%c"), *fmt, NULL);
+			return (NULL);
+		}
+	} else {
+		mod_ldbl = 0;
+	}
+
+	convch = *fmt;
+	nextch = *++fmt;
+	*fmt = '\0';
+	switch (convch) {
+	case 'b': {
+		size_t len;
+		char *p;
+		int getout;
+
+		p = strdup(getstr());
+		if (p == NULL) {
+			warnx2("%s", strerror(ENOMEM), NULL);
+			return (NULL);
+		}
+		getout = escape(p, 0, &len);
+		*(fmt - 1) = 's';
+		PF(start, p);
+		*(fmt - 1) = 'b';
+		free(p);
+
+		if (getout)
+			return (fmt);
+		break;
+	}
+	case 'c': {
+		char p;
+
+		p = getchr();
+		PF(start, p);
+		break;
+	}
+	case 's': {
+		const char *p;
+
+		p = getstr();
+		PF(start, p);
+		break;
+	}
+	case 'd': case 'i': case 'o': case 'u': case 'x': case 'X': {
+		char *f;
+		intmax_t val;
+		uintmax_t uval;
+		int signedconv;
+
+		signedconv = (convch == 'd' || convch == 'i');
+		if ((f = mknum(start, convch)) == NULL)
+			return (NULL);
+		if (getnum(&val, &uval, signedconv))
+			*rval = 1;
+		if (signedconv)
+			PF(f, val);
+		else
+			PF(f, uval);
+		break;
+	}
+	case 'e': case 'E':
+	case 'f': case 'F':
+	case 'g': case 'G':
+	case 'a': case 'A': {
+		long double p;
+
+		if (getfloating(&p, mod_ldbl))
+			*rval = 1;
+		if (mod_ldbl)
+			PF(start, p);
+		else
+			PF(start, (double)p);
+		break;
+	}
+	default:
+		warnx2(_("illegal format character %c"), convch, NULL);
+		return (NULL);
+	}
+	*fmt = nextch;
+	return (fmt);
+}
+
+static char *
+mknum(char *str, char ch)
+{
+	static char *copy;
+	static size_t copy_size;
+	char *newcopy;
+	size_t len, newlen;
+
+	len = strlen(str) + 2;
+	if (len > copy_size) {
+		newlen = ((len + 1023) >> 10) << 10;
+		if ((newcopy = realloc(copy, newlen)) == NULL) {
+			warnx2("%s", strerror(ENOMEM), NULL);
+			return (NULL);
+		}
+		copy = newcopy;
+		copy_size = newlen;
+	}
+
+	(void) memmove(copy, str, len - 3);
+	copy[len - 3] = 'j';
+	copy[len - 2] = ch;
+	copy[len - 1] = '\0';
+	return (copy);
+}
+
+static int
+escape(char *fmt, int percent, size_t *len)
+{
+	char *save, *store, c;
+	int value;
+
+	for (save = store = fmt; ((c = *fmt) != 0); ++fmt, ++store) {
+		if (c != '\\') {
+			*store = c;
+			continue;
+		}
+		switch (*++fmt) {
+		case '\0':		/* EOS, user error */
+			*store = '\\';
+			*++store = '\0';
+			*len = PTRDIFF(store, save);
+			return (0);
+		case '\\':		/* backslash */
+		case '\'':		/* single quote */
+			*store = *fmt;
+			break;
+		case 'a':		/* bell/alert */
+			*store = '\a';
+			break;
+		case 'b':		/* backspace */
+			*store = '\b';
+			break;
+		case 'c':
+			*store = '\0';
+			*len = PTRDIFF(store, save);
+			return (1);
+		case 'f':		/* form-feed */
+			*store = '\f';
+			break;
+		case 'n':		/* newline */
+			*store = '\n';
+			break;
+		case 'r':		/* carriage-return */
+			*store = '\r';
+			break;
+		case 't':		/* horizontal tab */
+			*store = '\t';
+			break;
+		case 'v':		/* vertical tab */
+			*store = '\v';
+			break;
+					/* octal constant */
+		case '0': case '1': case '2': case '3':
+		case '4': case '5': case '6': case '7':
+			c = (!percent && *fmt == '0') ? 4 : 3;
+			for (value = 0;
+			    c-- && *fmt >= '0' && *fmt <= '7'; ++fmt) {
+				value <<= 3;
+				value += *fmt - '0';
+			}
+			--fmt;
+			if (percent && value == '%') {
+				*store++ = '%';
+				*store = '%';
+			} else
+				*store = (char)value;
+			break;
+		default:
+			*store = *fmt;
+			break;
+		}
+	}
+	*store = '\0';
+	*len = PTRDIFF(store, save);
+	return (0);
+}
+
+static int
+getchr(void)
+{
+	if (!*gargv)
+		return ('\0');
+	return ((int)**gargv++);
+}
+
+static const char *
+getstr(void)
+{
+	if (!*gargv)
+		return ("");
+	return (*gargv++);
+}
+
+static int
+getint(int *ip)
+{
+	intmax_t val;
+	uintmax_t uval;
+	int rval;
+
+	if (getnum(&val, &uval, 1))
+		return (1);
+	rval = 0;
+	if (val < INT_MIN || val > INT_MAX) {
+		warnx3("%s: %s", *gargv, strerror(ERANGE));
+		rval = 1;
+	}
+	*ip = (int)val;
+	return (rval);
+}
+
+static int
+getnum(intmax_t *ip, uintmax_t *uip, int signedconv)
+{
+	char *ep;
+	int rval;
+
+	if (!*gargv) {
+		*ip = 0;
+		return (0);
+	}
+	if (**gargv == '"' || **gargv == '\'') {
+		if (signedconv)
+			*ip = asciicode();
+		else
+			*uip = asciicode();
+		return (0);
+	}
+	rval = 0;
+	errno = 0;
+	if (signedconv)
+		*ip = strtoimax(*gargv, &ep, 0);
+	else
+		*uip = strtoumax(*gargv, &ep, 0);
+	if (ep == *gargv) {
+		warnx2(_("%s: expected numeric value"), *gargv, NULL);
+		rval = 1;
+	} else if (*ep != '\0') {
+		warnx2(_("%s: not completely converted"), *gargv, NULL);
+		rval = 1;
+	}
+	if (errno == ERANGE) {
+		warnx3("%s: %s", *gargv, strerror(ERANGE));
+		rval = 1;
+	}
+	++gargv;
+	return (rval);
+}
+
+static int
+getfloating(long double *dp, int mod_ldbl)
+{
+	char *ep;
+	int rval;
+
+	if (!*gargv) {
+		*dp = 0.0;
+		return (0);
+	}
+	if (**gargv == '"' || **gargv == '\'') {
+		*dp = asciicode();
+		return (0);
+	}
+	rval = 0;
+	errno = 0;
+	if (mod_ldbl)
+		*dp = strtold(*gargv, &ep);
+	else
+		*dp = strtod(*gargv, &ep);
+	if (ep == *gargv) {
+		warnx2(_("%s: expected numeric value"), *gargv, NULL);
+		rval = 1;
+	} else if (*ep != '\0') {
+		warnx2(_("%s: not completely converted"), *gargv, NULL);
+		rval = 1;
+	}
+	if (errno == ERANGE) {
+		warnx3("%s: %s", *gargv, strerror(ERANGE));
+		rval = 1;
+	}
+	++gargv;
+	return (rval);
+}
+
+static int
+asciicode(void)
+{
+	int ch;
+
+	ch = **gargv;
+	if (ch == '\'' || ch == '"')
+		ch = (*gargv)[1];
+	++gargv;
+	return (ch);
+}
+
+static void
+usage(void)
+{
+	(void) fprintf(stderr, _("usage: printf format [arguments ...]\n"));
+}
diff --git a/usr/src/pkg/manifests/SUNWcs.mf b/usr/src/pkg/manifests/SUNWcs.mf
index 07558dd340..27944b3c75 100644
--- a/usr/src/pkg/manifests/SUNWcs.mf
+++ b/usr/src/pkg/manifests/SUNWcs.mf
@@ -844,6 +844,7 @@ file path=usr/bin/pgrep mode=0555
 file path=usr/bin/pkg2du mode=0555
 file path=usr/bin/pktool mode=0555
 file path=usr/bin/pr mode=0555
+file path=usr/bin/printf mode=0555
 file path=usr/bin/priocntl mode=0555
 file path=usr/bin/profiles mode=0555
 file path=usr/bin/projects mode=0555
diff --git a/usr/src/pkg/manifests/text-locale.mf b/usr/src/pkg/manifests/text-locale.mf
index f44ba81583..b79023e8b0 100644
--- a/usr/src/pkg/manifests/text-locale.mf
+++ b/usr/src/pkg/manifests/text-locale.mf
@@ -47,7 +47,6 @@ file path=usr/bin/locale mode=0555
 file path=usr/bin/localedef mode=0555
 file path=usr/bin/mkmsgs group=root mode=0555
 file path=usr/bin/msgfmt mode=0555
-file path=usr/bin/printf mode=0555
 file path=usr/bin/srchtxt mode=0555
 file path=usr/bin/xgettext mode=0555
 file path=usr/lib/gmsgfmt mode=0555