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diff --git a/text-utils/parse.c b/text-utils/parse.c
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+/*
+ * Copyright (c) 1989 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 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.
+ */
+
+ /* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ */
+
+#include <sys/types.h>
+#include <sys/file.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "hexdump.h"
+#include "nls.h"
+#include "xalloc.h"
+
+static void escape(char *p1);
+static void badcnt(const char *s);
+static void badsfmt(void);
+static void badfmt(const char *fmt);
+static void badconv(const char *ch);
+
+FU *endfu; /* format at end-of-data */
+
+void addfile(char *name)
+{
+ char *p;
+ FILE *fp;
+ int ch;
+ char buf[2048 + 1];
+
+ if ((fp = fopen(name, "r")) == NULL)
+ err(EXIT_FAILURE, _("can't read %s"), name);
+ while (fgets(buf, sizeof(buf), fp)) {
+ if ((p = strchr(buf, '\n')) == NULL) {
+ warnx(_("line too long"));
+ while ((ch = getchar()) != '\n' && ch != EOF);
+ continue;
+ }
+ *p = '\0';
+ for (p = buf; *p && isspace((unsigned char)*p); ++p);
+ if (!*p || *p == '#')
+ continue;
+ add(p);
+ }
+ (void)fclose(fp);
+}
+
+void add(const char *fmt)
+{
+ const char *p;
+ static FS **nextfs = NULL;
+ FS *tfs;
+ FU *tfu, **nextfu;
+ const char *savep;
+
+ /* Start new linked list of format units. */
+ tfs = xcalloc(1, sizeof(FS));
+ if (!fshead)
+ fshead = tfs;
+ else if (nextfs)
+ *nextfs = tfs;
+
+ nextfs = &tfs->nextfs;
+ nextfu = &tfs->nextfu;
+
+ /* Take the format string and break it up into format units. */
+ for (p = fmt;;) {
+ /* Skip leading white space. */
+ for (; isspace((unsigned char)*p); ++p);
+ if (!*p)
+ break;
+
+ /* Allocate a new format unit and link it in. */
+ tfu = xcalloc(1, sizeof(FU));
+ *nextfu = tfu;
+ nextfu = &tfu->nextfu;
+ tfu->reps = 1;
+
+ /* If leading digit, repetition count. */
+ if (isdigit((unsigned char)*p)) {
+ for (savep = p; isdigit((unsigned char)*p); ++p);
+ if (!isspace((unsigned char)*p) && *p != '/')
+ badfmt(fmt);
+ /* may overwrite either white space or slash */
+ tfu->reps = atoi(savep);
+ tfu->flags = F_SETREP;
+ /* skip trailing white space */
+ for (++p; isspace((unsigned char)*p); ++p);
+ }
+
+ /* Skip slash and trailing white space. */
+ if (*p == '/')
+ while (isspace((unsigned char)*++p));
+
+ /* byte count */
+ if (isdigit((unsigned char)*p)) {
+ for (savep = p; isdigit((unsigned char)*p); ++p);
+ if (!isspace((unsigned char)*p))
+ badfmt(fmt);
+ tfu->bcnt = atoi(savep);
+ /* skip trailing white space */
+ for (++p; isspace((unsigned char)*p); ++p);
+ }
+
+ /* format */
+ if (*p != '"')
+ badfmt(fmt);
+ for (savep = ++p; *p != '"';)
+ if (*p++ == 0)
+ badfmt(fmt);
+ tfu->fmt = xmalloc(p - savep + 1);
+ (void) strncpy(tfu->fmt, savep, p - savep);
+ tfu->fmt[p - savep] = '\0';
+ escape(tfu->fmt);
+ p++;
+ }
+}
+
+static const char *spec = ".#-+ 0123456789";
+
+int block_size(FS *fs)
+{
+ FU *fu;
+ int bcnt, cursize;
+ char *fmt;
+ int prec;
+
+ /* figure out the data block size needed for each format unit */
+ for (cursize = 0, fu = fs->nextfu; fu; fu = fu->nextfu) {
+ if (fu->bcnt) {
+ cursize += fu->bcnt * fu->reps;
+ continue;
+ }
+ for (bcnt = prec = 0, fmt = fu->fmt; *fmt; ++fmt) {
+ if (*fmt != '%')
+ continue;
+ /*
+ * skip any special chars -- save precision in
+ * case it's a %s format.
+ */
+ while (strchr(spec + 1, *++fmt));
+ if (*fmt == '.' && isdigit((unsigned char)*++fmt)) {
+ prec = atoi(fmt);
+ while (isdigit((unsigned char)*++fmt));
+ }
+ switch(*fmt) {
+ case 'c':
+ bcnt += 1;
+ break;
+ case 'd': case 'i': case 'o': case 'u':
+ case 'x': case 'X':
+ bcnt += 4;
+ break;
+ case 'e': case 'E': case 'f': case 'g': case 'G':
+ bcnt += 8;
+ break;
+ case 's':
+ bcnt += prec;
+ break;
+ case '_':
+ switch(*++fmt) {
+ case 'c': case 'p': case 'u':
+ bcnt += 1;
+ break;
+ }
+ }
+ }
+ cursize += bcnt * fu->reps;
+ }
+ return(cursize);
+}
+
+void rewrite(FS *fs)
+{
+ enum { NOTOKAY, USEBCNT, USEPREC } sokay;
+ PR *pr, **nextpr;
+ FU *fu;
+ char *p1, *p2;
+ char savech, *fmtp, cs[3];
+ int nconv, prec;
+
+ nextpr = NULL;
+ prec = 0;
+
+ for (fu = fs->nextfu; fu; fu = fu->nextfu) {
+ /*
+ * Break each format unit into print units; each
+ * conversion character gets its own.
+ */
+ for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) {
+ pr = xcalloc(1, sizeof(PR));
+ if (!fu->nextpr)
+ fu->nextpr = pr;
+ else if (nextpr)
+ *nextpr = pr;
+
+ /* Skip preceding text and up to the next % sign. */
+ for (p1 = fmtp; *p1 && *p1 != '%'; ++p1);
+
+ /* Only text in the string. */
+ if (!*p1) {
+ pr->fmt = fmtp;
+ pr->flags = F_TEXT;
+ break;
+ }
+
+ /*
+ * Get precision for %s -- if have a byte count, don't
+ * need it.
+ */
+ if (fu->bcnt) {
+ sokay = USEBCNT;
+ /* skip to conversion character */
+ for (++p1; strchr(spec, *p1); ++p1);
+ } else {
+ /* skip any special chars, field width */
+ while (strchr(spec + 1, *++p1));
+ if (*p1 == '.' &&
+ isdigit((unsigned char)*++p1)) {
+ sokay = USEPREC;
+ prec = atoi(p1);
+ while (isdigit((unsigned char)*++p1));
+ } else
+ sokay = NOTOKAY;
+ }
+
+ p2 = p1 + 1; /* Set end pointer. */
+ cs[0] = *p1; /* Set conversion string. */
+ cs[1] = 0;
+
+ /*
+ * Figure out the byte count for each conversion;
+ * rewrite the format as necessary, set up blank-
+ * padding for end of data.
+ */
+ switch(cs[0]) {
+ case 'c':
+ pr->flags = F_CHAR;
+ switch(fu->bcnt) {
+ case 0: case 1:
+ pr->bcnt = 1;
+ break;
+ default:
+ p1[1] = '\0';
+ badcnt(p1);
+ }
+ break;
+ case 'd': case 'i':
+ pr->flags = F_INT;
+ goto isint;
+ case 'o': case 'u': case 'x': case 'X':
+ pr->flags = F_UINT;
+isint: cs[2] = '\0';
+ cs[1] = cs[0];
+ cs[0] = 'q';
+ switch(fu->bcnt) {
+ case 0: case 4:
+ pr->bcnt = 4;
+ break;
+ case 1:
+ pr->bcnt = 1;
+ break;
+ case 2:
+ pr->bcnt = 2;
+ break;
+ case 8:
+ pr->bcnt = 8;
+ break;
+ default:
+ p1[1] = '\0';
+ badcnt(p1);
+ }
+ break;
+ case 'e': case 'E': case 'f': case 'g': case 'G':
+ pr->flags = F_DBL;
+ switch(fu->bcnt) {
+ case 0: case 8:
+ pr->bcnt = 8;
+ break;
+ case 4:
+ pr->bcnt = 4;
+ break;
+ default:
+ p1[1] = '\0';
+ badcnt(p1);
+ }
+ break;
+ case 's':
+ pr->flags = F_STR;
+ switch(sokay) {
+ case NOTOKAY:
+ badsfmt();
+ case USEBCNT:
+ pr->bcnt = fu->bcnt;
+ break;
+ case USEPREC:
+ pr->bcnt = prec;
+ break;
+ }
+ break;
+ case '_':
+ ++p2;
+ switch(p1[1]) {
+ case 'A':
+ endfu = fu;
+ fu->flags |= F_IGNORE;
+ /* FALLTHROUGH */
+ case 'a':
+ pr->flags = F_ADDRESS;
+ ++p2;
+ switch(p1[2]) {
+ case 'd': case 'o': case'x':
+ cs[0] = 'q';
+ cs[1] = p1[2];
+ cs[2] = '\0';
+ break;
+ default:
+ p1[3] = '\0';
+ badconv(p1);
+ }
+ break;
+ case 'c':
+ pr->flags = F_C;
+ /* cs[0] = 'c'; set in conv_c */
+ goto isint2;
+ case 'p':
+ pr->flags = F_P;
+ cs[0] = 'c';
+ goto isint2;
+ case 'u':
+ pr->flags = F_U;
+ /* cs[0] = 'c'; set in conv_u */
+isint2: switch(fu->bcnt) {
+ case 0: case 1:
+ pr->bcnt = 1;
+ break;
+ default:
+ p1[2] = '\0';
+ badcnt(p1);
+ }
+ break;
+ default:
+ p1[2] = '\0';
+ badconv(p1);
+ }
+ break;
+ default:
+ p1[1] = '\0';
+ badconv(p1);
+ }
+
+ /*
+ * Copy to PR format string, set conversion character
+ * pointer, update original.
+ */
+ savech = *p2;
+ p1[0] = '\0';
+ pr->fmt = xmalloc(strlen(fmtp) + strlen(cs) + 1);
+ (void)strcpy(pr->fmt, fmtp);
+ (void)strcat(pr->fmt, cs);
+ *p2 = savech;
+ pr->cchar = pr->fmt + (p1 - fmtp);
+ fmtp = p2;
+
+ /* Only one conversion character if byte count */
+ if (!(pr->flags&F_ADDRESS) && fu->bcnt && nconv++)
+ errx(EXIT_FAILURE,
+ _("byte count with multiple conversion characters"));
+ }
+ /*
+ * If format unit byte count not specified, figure it out
+ * so can adjust rep count later.
+ */
+ if (!fu->bcnt)
+ for (pr = fu->nextpr; pr; pr = pr->nextpr)
+ fu->bcnt += pr->bcnt;
+ }
+ /*
+ * If the format string interprets any data at all, and it's
+ * not the same as the blocksize, and its last format unit
+ * interprets any data at all, and has no iteration count,
+ * repeat it as necessary.
+ *
+ * If rep count is greater than 1, no trailing whitespace
+ * gets output from the last iteration of the format unit.
+ */
+ for (fu = fs->nextfu; fu; fu = fu->nextfu) {
+ if (!fu->nextfu && fs->bcnt < blocksize &&
+ !(fu->flags&F_SETREP) && fu->bcnt)
+ fu->reps += (blocksize - fs->bcnt) / fu->bcnt;
+ if (fu->reps > 1) {
+ for (pr = fu->nextpr;; pr = pr->nextpr)
+ if (!pr->nextpr)
+ break;
+ for (p1 = pr->fmt, p2 = NULL; *p1; ++p1)
+ p2 = isspace((unsigned char)*p1) ? p1 : NULL;
+ if (p2)
+ pr->nospace = p2;
+ }
+ }
+}
+
+
+static void escape(char *p1)
+{
+ char *p2;
+
+ /* alphabetic escape sequences have to be done in place */
+ for (p2 = p1;; ++p1, ++p2) {
+ if (!*p1) {
+ *p2 = *p1;
+ break;
+ }
+ if (*p1 == '\\')
+ switch(*++p1) {
+ case 'a':
+ /* *p2 = '\a'; */
+ *p2 = '\007';
+ break;
+ case 'b':
+ *p2 = '\b';
+ break;
+ case 'f':
+ *p2 = '\f';
+ break;
+ case 'n':
+ *p2 = '\n';
+ break;
+ case 'r':
+ *p2 = '\r';
+ break;
+ case 't':
+ *p2 = '\t';
+ break;
+ case 'v':
+ *p2 = '\v';
+ break;
+ default:
+ *p2 = *p1;
+ break;
+ }
+ }
+}
+
+static void badcnt(const char *s)
+{
+ errx(EXIT_FAILURE, _("bad byte count for conversion character %s"), s);
+}
+
+static void badsfmt(void)
+{
+ errx(EXIT_FAILURE, _("%%s requires a precision or a byte count"));
+}
+
+static void badfmt(const char *fmt)
+{
+ errx(EXIT_FAILURE, _("bad format {%s}"), fmt);
+}
+
+static void badconv(const char *ch)
+{
+ errx(EXIT_FAILURE, _("bad conversion character %%%s"), ch);
+}
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