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authorH. Peter Anvin <hpa@smyrno.hos.anvin.org>2005-12-03 13:58:06 -0800
committerH. Peter Anvin <hpa@smyrno.hos.anvin.org>2005-12-03 13:58:06 -0800
commitcc3e317d54e335d571f3ef3fffda541080c8d650 (patch)
tree9c9b2e65278d286925860c2fbc0764cbecf27ea0
parentaa0221090181b51f03eac9ae96139014a4bce4a7 (diff)
downloadklibc-cc3e317d54e335d571f3ef3fffda541080c8d650.tar.gz
Remove printf (it's a builtin in dash)klibc-1.1.2
-rw-r--r--utils/Makefile2
-rw-r--r--utils/printf.c677
2 files changed, 1 insertions, 678 deletions
diff --git a/utils/Makefile b/utils/Makefile
index 6a64f2f65bc1b..336e1e92d1b29 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -6,7 +6,7 @@ MAKEDEPS = -Wp,-MD,.$(subst /,-,$*).d
CFLAGS = $(MAKEDEPS) $(OPTFLAGS) $(REQFLAGS) -W -Wall
LIBS = $(KLIBC) $(LIBGCC)
PROGS := chroot dd fstype mkdir mkfifo mount pivot_root umount \
- true false sleep ln nuke minips run-init printf cat \
+ true false sleep ln nuke minips run-init cat \
insmod uname
STATICPROGS := $(patsubst %,static/%,$(PROGS))
SHAREDPROGS := $(patsubst %,shared/%,$(PROGS))
diff --git a/utils/printf.c b/utils/printf.c
deleted file mode 100644
index beb8b5d907ecd..0000000000000
--- a/utils/printf.c
+++ /dev/null
@@ -1,677 +0,0 @@
-/* $NetBSD: printf.c,v 1.28 2003/06/25 12:56:59 dsl Exp $ */
-
-/*
- * 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.
- * 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.
- */
-
-#ifndef __KLIBC__
-#include <sys/cdefs.h>
-#endif
-#ifndef __COPYRIGHT
-#define __COPYRIGHT(arg)
-#endif
-#ifndef __RCSID
-#define __RCSID(arg)
-#endif
-#ifndef lint
-#if !defined(BUILTIN) && !defined(SHELL)
-__COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
- The Regents of the University of California. All rights reserved.\n");
-#endif
-#endif
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)printf.c 8.2 (Berkeley) 3/22/95";
-#else
-__RCSID("$NetBSD: printf.c,v 1.28 2003/06/25 12:56:59 dsl Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-
-#include <ctype.h>
-#ifndef __KLIBC__
-#include <err.h>
-#endif
-#include <errno.h>
-#include <inttypes.h>
-#include <limits.h>
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#ifdef __linux__
-//#include "compat_linux.h"
-#endif
-
-#ifdef __GNUC__
-#define ESCAPE '\e'
-#else
-#define ESCAPE 033
-#endif
-
-static void conv_escape_str(char *, void (*)(int));
-static char *conv_escape(char *, char *);
-static char *conv_expand(const char *);
-static int getchr(void);
-#ifndef __KLIBC__
-static double getdouble(void);
-#endif
-static int getwidth(void);
-static intmax_t getintmax(void);
-static uintmax_t getuintmax(void);
-static char *getstr(void);
-static char *mklong(const char *, int);
-static void check_conversion(const char *, const char *);
-static void usage(void);
-
-static void b_count(int);
-static void b_output(int);
-static int b_length;
-static char *b_fmt;
-
-static int rval;
-static char **gargv;
-
-#ifdef BUILTIN /* csh builtin */
-#define main progprintf
-#endif
-
-#ifdef SHELL /* sh (aka ash) builtin */
-#define main printfcmd
-#include "bltin/bltin.h"
-#endif /* SHELL */
-
-#define PF(f, func) { \
- if (fieldwidth != -1) { \
- if (precision != -1) \
- (void)printf(f, fieldwidth, precision, func); \
- else \
- (void)printf(f, fieldwidth, func); \
- } else if (precision != -1) \
- (void)printf(f, precision, func); \
- else \
- (void)printf(f, func); \
-}
-
-#define APF(cpp, f, func) { \
- if (fieldwidth != -1) { \
- if (precision != -1) \
- (void)asprintf(cpp, f, fieldwidth, precision, func); \
- else \
- (void)asprintf(cpp, f, fieldwidth, func); \
- } else if (precision != -1) \
- (void)asprintf(cpp, f, precision, func); \
- else \
- (void)asprintf(cpp, f, func); \
-}
-
-int main(int, char **);
-int main(int argc, char *argv[])
-{
- char *fmt, *start;
- int fieldwidth, precision;
- char nextch;
- char *format;
- int ch;
-
- while ((ch = getopt(argc, argv, "")) != -1) {
- switch (ch) {
- case '?':
- default:
- usage();
- return (1);
- }
- }
- argc -= optind;
- argv += optind;
-
- if (argc < 1) {
- usage();
- return (1);
- }
-
- format = *argv;
- gargv = ++argv;
-
-#define SKIP1 "#-+ 0"
-#define SKIP2 "*0123456789"
- do {
- /*
- * 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.
- */
-
- /* find next format specification */
- for (fmt = format; (ch = *fmt++) ;) {
- if (ch == '\\') {
- char c_ch;
- fmt = conv_escape(fmt, &c_ch);
- putchar(c_ch);
- continue;
- }
- if (ch != '%' || (*fmt == '%' && ++fmt)) {
- (void)putchar(ch);
- continue;
- }
-
- /* Ok - we've found a format specification,
- Save its address for a later printf(). */
- start = fmt - 1;
-
- /* skip to field width */
- fmt += strspn(fmt, SKIP1);
- fieldwidth = *fmt == '*' ? getwidth() : -1;
-
- /* skip to possible '.', get following precision */
- fmt += strspn(fmt, SKIP2);
- if (*fmt == '.')
- ++fmt;
- precision = *fmt == '*' ? getwidth() : -1;
-
- fmt += strspn(fmt, SKIP2);
-
- ch = *fmt;
- if (!ch) {
- fprintf(stderr, "missing format character");
- return (1);
- }
- /* null terminate format string to we can use it
- as an argument to printf. */
- nextch = fmt[1];
- fmt[1] = 0;
- switch (ch) {
-
- case 'B': {
- const char *p = conv_expand(getstr());
- *fmt = 's';
- PF(start, p);
- break;
- }
- case 'b': {
- /* There has to be a better way to do this,
- * but the string we generate might have
- * embedded nulls. */
- static char *a, *t;
- char *cp = getstr();
- /* Free on entry in case shell longjumped out */
- if (a != NULL)
- free(a);
- a = NULL;
- if (t != NULL)
- free(t);
- t = NULL;
- /* Count number of bytes we want to output */
- b_length = 0;
- conv_escape_str(cp, b_count);
- t = malloc(b_length + 1);
- if (t == NULL)
- break;
- memset(t, 'x', b_length);
- t[b_length] = 0;
- /* Get printf to calculate the lengths */
- *fmt = 's';
- APF(&a, start, t);
- b_fmt = a;
- /* Output leading spaces and data bytes */
- conv_escape_str(cp, b_output);
- /* Add any trailing spaces */
- printf("%s", b_fmt);
- break;
- }
- case 'c': {
- char p = getchr();
- PF(start, p);
- break;
- }
- case 's': {
- char *p = getstr();
- PF(start, p);
- break;
- }
- case 'd':
- case 'i': {
- intmax_t p = getintmax();
- char *f = mklong(start, ch);
- PF(f, p);
- break;
- }
- case 'o':
- case 'u':
- case 'x':
- case 'X': {
- uintmax_t p = getuintmax();
- char *f = mklong(start, ch);
- PF(f, p);
- break;
- }
-#ifndef __KLIBC__
- case 'e':
- case 'E':
- case 'f':
- case 'g':
- case 'G': {
- double p = getdouble();
- PF(start, p);
- break;
- }
-#endif
- default:
- fprintf(stderr, "%s: invalid directive", start);
- return (1);
- }
- *fmt++ = ch;
- *fmt = nextch;
- /* escape if a \c was encountered */
- if (rval & 0x100)
- return (rval & ~0x100);
- }
- } while (gargv != argv && *gargv);
-
- return (rval);
-}
-
-/* helper functions for conv_escape_str */
-
-static void
-b_count(int ch)
-{
- ch = b_length++;
-}
-
-/* Output one converted character for every 'x' in the 'format' */
-
-static void
-b_output(int ch)
-{
- for (;;) {
- switch (*b_fmt++) {
- case 0:
- b_fmt--;
- return;
- case ' ':
- putchar(' ');
- break;
- default:
- putchar(ch);
- return;
- }
- }
-}
-
-
-/*
- * Print SysV echo(1) style escape string
- * Halts processing string if a \c escape is encountered.
- */
-static void
-conv_escape_str(char *str, void (*do_putchar)(int))
-{
- int value;
- int ch;
- char c;
-
- while ((ch = *str++)) {
- if (ch != '\\') {
- do_putchar(ch);
- continue;
- }
-
- ch = *str++;
- if (ch == 'c') {
- /* \c as in SYSV echo - abort all processing.... */
- rval |= 0x100;
- break;
- }
-
- /*
- * %b string octal constants are not like those in C.
- * They start with a \0, and are followed by 0, 1, 2,
- * or 3 octal digits.
- */
- if (ch == '0') {
- char octnum[4], *oct_end;
- octnum[0] = str[0];
- octnum[1] = str[1];
- octnum[2] = str[2];
- octnum[3] = 0;
- do_putchar(strtoul(octnum, &oct_end, 8));
- str += oct_end - octnum;
- continue;
- }
-
- /* \[M][^|-]C as defined by vis(3) */
- if (ch == 'M' && *str == '-') {
- do_putchar(0200 | str[1]);
- str += 2;
- continue;
- }
- if (ch == 'M' && *str == '^') {
- str++;
- value = 0200;
- ch = '^';
- } else
- value = 0;
- if (ch == '^') {
- ch = *str++;
- if (ch == '?')
- value |= 0177;
- else
- value |= ch & 037;
- do_putchar(value);
- continue;
- }
-
- /* Finally test for sequences valid in the format string */
- str = conv_escape(str - 1, &c);
- do_putchar(c);
- }
-}
-
-/*
- * Print "standard" escape characters
- */
-static char *
-conv_escape(char *str, char *conv_ch)
-{
- int value;
- int ch;
- char num_buf[4], *num_end;
-
- ch = *str++;
-
- switch (ch) {
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
- num_buf[0] = ch;
- ch = str[0];
- num_buf[1] = ch;
- num_buf[2] = ch ? str[1] : 0;
- num_buf[3] = 0;
- value = strtoul(num_buf, &num_end, 8);
- str += num_end - (num_buf + 1);
- break;
-
- case 'x':
- /* Hexadecimal character constants are not required to be
- supported (by SuS v1) because there is no consistent
- way to detect the end of the constant.
- Supporting 2 byte constants is a compromise. */
- ch = str[0];
- num_buf[0] = ch;
- num_buf[1] = ch ? str[1] : 0;
- num_buf[2] = 0;
- value = strtoul(num_buf, &num_end, 16);
- str += num_end - num_buf;
- break;
-
- case '\\': value = '\\'; break; /* backslash */
- case '\'': value = '\''; break; /* single quote */
- case '"': value = '"'; break; /* double quote */
- case 'a': value = '\a'; break; /* alert */
- case 'b': value = '\b'; break; /* backspace */
- case 'e': value = ESCAPE; break; /* escape */
- case 'f': value = '\f'; break; /* form-feed */
- case 'n': value = '\n'; break; /* newline */
- case 'r': value = '\r'; break; /* carriage-return */
- case 't': value = '\t'; break; /* tab */
- case 'v': value = '\v'; break; /* vertical-tab */
-
- default:
- fprintf(stderr, "unknown escape sequence `\\%c'", ch);
- rval = 1;
- value = ch;
- break;
- }
-
- *conv_ch = value;
- return str;
-}
-
-/* expand a string so that everything is printable */
-
-static char *
-conv_expand(const char *str)
-{
- static char *conv_str;
- char *cp;
- int ch;
-
- if (conv_str)
- free(conv_str);
- /* get a buffer that is definitely large enough.... */
- conv_str = malloc(4 * strlen(str) + 1);
- if (!conv_str)
- return "<no memory>";
- cp = conv_str;
-
- while ((ch = *(unsigned char *)str++)) {
- switch (ch) {
- /* Use C escapes for expected control characters */
- case '\\': ch = '\\'; break; /* backslash */
- case '\'': ch = '\''; break; /* single quote */
- case '"': ch = '"'; break; /* double quote */
- case '\a': ch = 'a'; break; /* alert */
- case '\b': ch = 'b'; break; /* backspace */
- case ESCAPE: ch = 'e'; break; /* escape */
- case '\f': ch = 'f'; break; /* form-feed */
- case '\n': ch = 'n'; break; /* newline */
- case '\r': ch = 'r'; break; /* carriage-return */
- case '\t': ch = 't'; break; /* tab */
- case '\v': ch = 'v'; break; /* vertical-tab */
- default:
- /* Copy anything printable */
- if (isprint(ch)) {
- *cp++ = ch;
- continue;
- }
- /* Use vis(3) encodings for the rest */
- *cp++ = '\\';
- if (ch & 0200) {
- *cp++ = 'M';
- ch &= ~0200;
- }
- if (ch == 0177) {
- *cp++ = '^';
- *cp++ = '?';
- continue;
- }
- if (ch < 040) {
- *cp++ = '^';
- *cp++ = ch | 0100;
- continue;
- }
- *cp++ = '-';
- *cp++ = ch;
- continue;
- }
- *cp++ = '\\';
- *cp++ = ch;
- }
-
- *cp = 0;
- return conv_str;
-}
-
-static char *
-mklong(const char *str, int ch)
-{
- static char copy[64];
- size_t len;
-
- len = strlen(str) + 2;
- if (len > sizeof copy) {
- fprintf(stderr, "format %s too complex\n", str);
- len = 4;
- }
- (void)memmove(copy, str, len - 3);
- copy[len - 3] = 'j';
- copy[len - 2] = ch;
- copy[len - 1] = '\0';
- return (copy);
-}
-
-static int
-getchr(void)
-{
- if (!*gargv)
- return ('\0');
- return ((int)**gargv++);
-}
-
-static char *
-getstr(void)
-{
- if (!*gargv)
- return ("");
- return (*gargv++);
-}
-
-static int
-getwidth(void)
-{
- long val;
- char *s, *ep;
-
- s = *gargv;
- if (!*gargv)
- return (0);
- gargv++;
-
- errno = 0;
- val = strtoul(s, &ep, 0);
- check_conversion(s, ep);
-
- /* Arbitrarily 'restrict' field widths to 1Mbyte */
- if (val < 0 || val > 1 << 20) {
- fprintf(stderr, "%s: invalid field width", s);
- return 0;
- }
-
- return val;
-}
-
-static intmax_t
-getintmax(void)
-{
- intmax_t val;
- char *cp, *ep;
-
- cp = *gargv;
- if (cp == NULL)
- return 0;
- gargv++;
-
- if (*cp == '\"' || *cp == '\'')
- return *(cp+1);
-
- errno = 0;
- val = strtoimax(cp, &ep, 0);
- check_conversion(cp, ep);
- return val;
-}
-
-static uintmax_t
-getuintmax(void)
-{
- uintmax_t val;
- char *cp, *ep;
-
- cp = *gargv;
- if (cp == NULL)
- return 0;
- gargv++;
-
- if (*cp == '\"' || *cp == '\'')
- return *(cp+1);
-
- /* strtoumax won't error -ve values */
- while (isspace(*(unsigned char *)cp))
- cp++;
- if (*cp == '-') {
- fprintf(stderr, "%s: expected positive numeric value", cp);
- rval = 1;
- return 0;
- }
-
- errno = 0;
- val = strtoumax(cp, &ep, 0);
- check_conversion(cp, ep);
- return val;
-}
-
-#ifndef __KLIBC__
-static double
-getdouble(void)
-{
- double val;
- char *ep;
-
- if (!*gargv)
- return (0.0);
-
- if (**gargv == '\"' || **gargv == '\'')
- return (double) *((*gargv++)+1);
-
- errno = 0;
- val = strtod(*gargv, &ep);
- check_conversion(*gargv++, ep);
- return val;
-}
-#endif
-
-static void
-check_conversion(const char *s, const char *ep)
-{
- if (*ep) {
- if (ep == s)
- fprintf(stderr, "%s: expected numeric value", s);
- else
- fprintf(stderr, "%s: not completely converted", s);
- rval = 1;
- } else if (errno == ERANGE) {
- fprintf(stderr, "%s: %s", s, strerror(ERANGE));
- rval = 1;
- }
-}
-
-static void
-usage(void)
-{
- (void)fprintf(stderr, "usage: printf format [arg ...]\n");
-}