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Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/dump.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/dump.c805
1 files changed, 805 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/dump.c b/i/pc104/initrd/conf/busybox/libbb/dump.c
new file mode 100644
index 0000000..f078afc
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/dump.c
@@ -0,0 +1,805 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Support code for the hexdump and od applets,
+ * based on code from util-linux v 2.11l
+ *
+ * Copyright (c) 1989
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ * Original copyright notice is retained at the end of this file.
+ */
+
+#include "libbb.h"
+#include "dump.h"
+
+enum _vflag bb_dump_vflag = FIRST;
+FS *bb_dump_fshead; /* head of format strings */
+static FU *endfu;
+static char **_argv;
+static off_t savaddress; /* saved address/offset in stream */
+static off_t eaddress; /* end address */
+static off_t address; /* address/offset in stream */
+off_t bb_dump_skip; /* bytes to skip */
+static int exitval; /* final exit value */
+int bb_dump_blocksize; /* data block size */
+int bb_dump_length = -1; /* max bytes to read */
+
+static const char index_str[] = ".#-+ 0123456789";
+
+static const char size_conv_str[] =
+"\x1\x4\x4\x4\x4\x4\x4\x8\x8\x8\x8\010cdiouxXeEfgG";
+
+static const char lcc[] = "diouxX";
+
+int bb_dump_size(FS * fs)
+{
+ FU *fu;
+ int bcnt, cur_size;
+ char *fmt;
+ const char *p;
+ int prec;
+
+ /* figure out the data block bb_dump_size needed for each format unit */
+ for (cur_size = 0, fu = fs->nextfu; fu; fu = fu->nextfu) {
+ if (fu->bcnt) {
+ cur_size += fu->bcnt * fu->reps;
+ continue;
+ }
+ for (bcnt = prec = 0, fmt = fu->fmt; *fmt; ++fmt) {
+ if (*fmt != '%')
+ continue;
+ /*
+ * bb_dump_skip any special chars -- save precision in
+ * case it's a %s format.
+ */
+ while (strchr(index_str + 1, *++fmt));
+ if (*fmt == '.' && isdigit(*++fmt)) {
+ prec = atoi(fmt);
+ while (isdigit(*++fmt));
+ }
+ if (!(p = strchr(size_conv_str + 12, *fmt))) {
+ if (*fmt == 's') {
+ bcnt += prec;
+ } else if (*fmt == '_') {
+ ++fmt;
+ if ((*fmt == 'c') || (*fmt == 'p') || (*fmt == 'u')) {
+ bcnt += 1;
+ }
+ }
+ } else {
+ bcnt += size_conv_str[p - (size_conv_str + 12)];
+ }
+ }
+ cur_size += bcnt * fu->reps;
+ }
+ return cur_size;
+}
+
+static void rewrite(FS * fs)
+{
+ enum { NOTOKAY, USEBCNT, USEPREC } sokay;
+ PR *pr, **nextpr = NULL;
+ FU *fu;
+ char *p1, *p2, *p3;
+ char savech, *fmtp;
+ const char *byte_count_str;
+ int nconv, 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) {
+ /* NOSTRICT */
+ /* DBU:[dvae@cray.com] calloc so that forward ptrs start out NULL*/
+ pr = xzalloc(sizeof(PR));
+ if (!fu->nextpr)
+ fu->nextpr = pr;
+ /* ignore nextpr -- its unused inside the loop and is
+ * uninitialized 1st time thru.
+ */
+
+ /* bb_dump_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;
+ /* bb_dump_skip to conversion character */
+ for (++p1; strchr(index_str, *p1); ++p1);
+ } else {
+ /* bb_dump_skip any special chars, field width */
+ while (strchr(index_str + 1, *++p1));
+ if (*p1 == '.' && isdigit(*++p1)) {
+ sokay = USEPREC;
+ prec = atoi(p1);
+ while (isdigit(*++p1));
+ } else
+ sokay = NOTOKAY;
+ }
+
+ p2 = p1 + 1; /* set end pointer */
+
+ /*
+ * figure out the byte count for each conversion;
+ * rewrite the format as necessary, set up blank-
+ * pbb_dump_adding for end of data.
+ */
+
+ if (*p1 == 'c') {
+ pr->flags = F_CHAR;
+ DO_BYTE_COUNT_1:
+ byte_count_str = "\001";
+ DO_BYTE_COUNT:
+ if (fu->bcnt) {
+ do {
+ if (fu->bcnt == *byte_count_str) {
+ break;
+ }
+ } while (*++byte_count_str);
+ }
+ /* Unlike the original, output the remainder of the format string. */
+ if (!*byte_count_str) {
+ bb_error_msg_and_die("bad byte count for conversion character %s", p1);
+ }
+ pr->bcnt = *byte_count_str;
+ } else if (*p1 == 'l') {
+ ++p2;
+ ++p1;
+ DO_INT_CONV:
+ {
+ const char *e;
+ if (!(e = strchr(lcc, *p1))) {
+ goto DO_BAD_CONV_CHAR;
+ }
+ pr->flags = F_INT;
+ if (e > lcc + 1) {
+ pr->flags = F_UINT;
+ }
+ byte_count_str = "\004\002\001";
+ goto DO_BYTE_COUNT;
+ }
+ /* NOTREACHED */
+ } else if (strchr(lcc, *p1)) {
+ goto DO_INT_CONV;
+ } else if (strchr("eEfgG", *p1)) {
+ pr->flags = F_DBL;
+ byte_count_str = "\010\004";
+ goto DO_BYTE_COUNT;
+ } else if (*p1 == 's') {
+ pr->flags = F_STR;
+ if (sokay == USEBCNT) {
+ pr->bcnt = fu->bcnt;
+ } else if (sokay == USEPREC) {
+ pr->bcnt = prec;
+ } else { /* NOTOKAY */
+ bb_error_msg_and_die("%%s requires a precision or a byte count");
+ }
+ } else if (*p1 == '_') {
+ ++p2;
+ switch (p1[1]) {
+ case 'A':
+ endfu = fu;
+ fu->flags |= F_IGNORE;
+ /* FALLTHROUGH */
+ case 'a':
+ pr->flags = F_ADDRESS;
+ ++p2;
+ if ((p1[2] != 'd') && (p1[2] != 'o') && (p1[2] != 'x')) {
+ goto DO_BAD_CONV_CHAR;
+ }
+ *p1 = p1[2];
+ break;
+ case 'c':
+ pr->flags = F_C;
+ /* *p1 = 'c'; set in conv_c */
+ goto DO_BYTE_COUNT_1;
+ case 'p':
+ pr->flags = F_P;
+ *p1 = 'c';
+ goto DO_BYTE_COUNT_1;
+ case 'u':
+ pr->flags = F_U;
+ /* *p1 = 'c'; set in conv_u */
+ goto DO_BYTE_COUNT_1;
+ default:
+ goto DO_BAD_CONV_CHAR;
+ }
+ } else {
+ DO_BAD_CONV_CHAR:
+ bb_error_msg_and_die("bad conversion character %%%s", p1);
+ }
+
+ /*
+ * copy to PR format string, set conversion character
+ * pointer, update original.
+ */
+ savech = *p2;
+ p1[1] = '\0';
+ pr->fmt = xstrdup(fmtp);
+ *p2 = savech;
+ pr->cchar = pr->fmt + (p1 - fmtp);
+
+ /* DBU:[dave@cray.com] w/o this, trailing fmt text, space is lost.
+ * Skip subsequent text and up to the next % sign and tack the
+ * additional text onto fmt: eg. if fmt is "%x is a HEX number",
+ * we lose the " is a HEX number" part of fmt.
+ */
+ for (p3 = p2; *p3 && *p3 != '%'; p3++);
+ if (p3 > p2)
+ {
+ savech = *p3;
+ *p3 = '\0';
+ pr->fmt = xrealloc(pr->fmt, strlen(pr->fmt)+(p3-p2)+1);
+ strcat(pr->fmt, p2);
+ *p3 = savech;
+ p2 = p3;
+ }
+
+ fmtp = p2;
+
+ /* only one conversion character if byte count */
+ if (!(pr->flags & F_ADDRESS) && fu->bcnt && nconv++) {
+ bb_error_msg_and_die("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 bb_dump_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->nextfu) {
+ if (!fu->nextfu && fs->bcnt < bb_dump_blocksize &&
+ !(fu->flags & F_SETREP) && fu->bcnt)
+ fu->reps += (bb_dump_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(*p1) ? p1 : NULL;
+ if (p2)
+ pr->nospace = p2;
+ }
+ if (!fu->nextfu)
+ break;
+ }
+}
+
+static void do_skip(const char *fname, int statok)
+{
+ struct stat sbuf;
+
+ if (statok) {
+ if (fstat(STDIN_FILENO, &sbuf)) {
+ bb_perror_msg_and_die("%s", fname);
+ }
+ if ((!(S_ISCHR(sbuf.st_mode) ||
+ S_ISBLK(sbuf.st_mode) ||
+ S_ISFIFO(sbuf.st_mode))) && bb_dump_skip >= sbuf.st_size) {
+ /* If bb_dump_size valid and bb_dump_skip >= size */
+ bb_dump_skip -= sbuf.st_size;
+ address += sbuf.st_size;
+ return;
+ }
+ }
+ if (fseek(stdin, bb_dump_skip, SEEK_SET)) {
+ bb_perror_msg_and_die("%s", fname);
+ }
+ savaddress = address += bb_dump_skip;
+ bb_dump_skip = 0;
+}
+
+static int next(char **argv)
+{
+ static int done;
+ int statok;
+
+ if (argv) {
+ _argv = argv;
+ return 1;
+ }
+ for (;;) {
+ if (*_argv) {
+ if (!(freopen(*_argv, "r", stdin))) {
+ bb_perror_msg("%s", *_argv);
+ exitval = 1;
+ ++_argv;
+ continue;
+ }
+ statok = done = 1;
+ } else {
+ if (done++)
+ return 0;
+ statok = 0;
+ }
+ if (bb_dump_skip)
+ do_skip(statok ? *_argv : "stdin", statok);
+ if (*_argv)
+ ++_argv;
+ if (!bb_dump_skip)
+ return 1;
+ }
+ /* NOTREACHED */
+}
+
+static unsigned char *get(void)
+{
+ static int ateof = 1;
+ static unsigned char *curp=NULL, *savp; /*DBU:[dave@cray.com]initialize curp */
+ int n;
+ int need, nread;
+ unsigned char *tmpp;
+
+ if (!curp) {
+ address = (off_t)0; /*DBU:[dave@cray.com] initialize,initialize..*/
+ curp = xmalloc(bb_dump_blocksize);
+ savp = xmalloc(bb_dump_blocksize);
+ } else {
+ tmpp = curp;
+ curp = savp;
+ savp = tmpp;
+ address = savaddress += bb_dump_blocksize;
+ }
+ for (need = bb_dump_blocksize, nread = 0;;) {
+ /*
+ * if read the right number of bytes, or at EOF for one file,
+ * and no other files are available, zero-pad the rest of the
+ * block and set the end flag.
+ */
+ if (!bb_dump_length || (ateof && !next((char **) NULL))) {
+ if (need == bb_dump_blocksize) {
+ return NULL;
+ }
+ if (bb_dump_vflag != ALL && !memcmp(curp, savp, nread)) {
+ if (bb_dump_vflag != DUP) {
+ puts("*");
+ }
+ return NULL;
+ }
+ memset((char *) curp + nread, 0, need);
+ eaddress = address + nread;
+ return curp;
+ }
+ n = fread((char *) curp + nread, sizeof(unsigned char),
+ bb_dump_length == -1 ? need : MIN(bb_dump_length, need), stdin);
+ if (!n) {
+ if (ferror(stdin)) {
+ bb_perror_msg("%s", _argv[-1]);
+ }
+ ateof = 1;
+ continue;
+ }
+ ateof = 0;
+ if (bb_dump_length != -1) {
+ bb_dump_length -= n;
+ }
+ if (!(need -= n)) {
+ if (bb_dump_vflag == ALL || bb_dump_vflag == FIRST
+ || memcmp(curp, savp, bb_dump_blocksize)) {
+ if (bb_dump_vflag == DUP || bb_dump_vflag == FIRST) {
+ bb_dump_vflag = WAIT;
+ }
+ return curp;
+ }
+ if (bb_dump_vflag == WAIT) {
+ puts("*");
+ }
+ bb_dump_vflag = DUP;
+ address = savaddress += bb_dump_blocksize;
+ need = bb_dump_blocksize;
+ nread = 0;
+ } else {
+ nread += n;
+ }
+ }
+}
+
+static void bpad(PR * pr)
+{
+ char *p1, *p2;
+
+ /*
+ * remove all conversion flags; '-' is the only one valid
+ * with %s, and it's not useful here.
+ */
+ pr->flags = F_BPAD;
+ *pr->cchar = 's';
+ for (p1 = pr->fmt; *p1 != '%'; ++p1);
+ for (p2 = ++p1; *p1 && strchr(" -0+#", *p1); ++p1)
+ if (pr->nospace) pr->nospace--;
+ while ((*p2++ = *p1++) != 0);
+}
+
+static const char conv_str[] =
+ "\0\\0\0"
+ "\007\\a\0" /* \a */
+ "\b\\b\0"
+ "\f\\b\0"
+ "\n\\n\0"
+ "\r\\r\0"
+ "\t\\t\0"
+ "\v\\v\0"
+ "\0";
+
+
+static void conv_c(PR * pr, unsigned char * p)
+{
+ const char *str = conv_str;
+ char buf[10];
+
+ do {
+ if (*p == *str) {
+ ++str;
+ goto strpr;
+ }
+ str += 4;
+ } while (*str);
+
+ if (isprint(*p)) {
+ *pr->cchar = 'c';
+ (void) printf(pr->fmt, *p);
+ } else {
+ sprintf(buf, "%03o", (int) *p);
+ str = buf;
+ strpr:
+ *pr->cchar = 's';
+ printf(pr->fmt, str);
+ }
+}
+
+static void conv_u(PR * pr, unsigned char * p)
+{
+ static const char list[] =
+ "nul\0soh\0stx\0etx\0eot\0enq\0ack\0bel\0"
+ "bs\0_ht\0_lf\0_vt\0_ff\0_cr\0_so\0_si\0_"
+ "dle\0dcl\0dc2\0dc3\0dc4\0nak\0syn\0etb\0"
+ "can\0em\0_sub\0esc\0fs\0_gs\0_rs\0_us";
+
+ /* od used nl, not lf */
+ if (*p <= 0x1f) {
+ *pr->cchar = 's';
+ printf(pr->fmt, list + (4 * (int)*p));
+ } else if (*p == 0x7f) {
+ *pr->cchar = 's';
+ printf(pr->fmt, "del");
+ } else if (isprint(*p)) {
+ *pr->cchar = 'c';
+ printf(pr->fmt, *p);
+ } else {
+ *pr->cchar = 'x';
+ printf(pr->fmt, (int) *p);
+ }
+}
+
+static void display(void)
+{
+/* extern FU *endfu; */
+ FS *fs;
+ FU *fu;
+ PR *pr;
+ int cnt;
+ unsigned char *bp;
+
+ off_t saveaddress;
+ unsigned char savech = 0, *savebp;
+
+ while ((bp = get()) != NULL) {
+ for (fs = bb_dump_fshead, savebp = bp, saveaddress = address; fs;
+ fs = fs->nextfs, bp = savebp, address = saveaddress) {
+ for (fu = fs->nextfu; fu; fu = fu->nextfu) {
+ if (fu->flags & F_IGNORE) {
+ break;
+ }
+ for (cnt = fu->reps; cnt; --cnt) {
+ for (pr = fu->nextpr; pr; address += pr->bcnt,
+ bp += pr->bcnt, pr = pr->nextpr) {
+ if (eaddress && address >= eaddress &&
+ !(pr->flags & (F_TEXT | F_BPAD))) {
+ bpad(pr);
+ }
+ if (cnt == 1 && pr->nospace) {
+ savech = *pr->nospace;
+ *pr->nospace = '\0';
+ }
+/* PRINT; */
+ switch (pr->flags) {
+ case F_ADDRESS:
+ printf(pr->fmt, (unsigned int) address);
+ break;
+ case F_BPAD:
+ printf(pr->fmt, "");
+ break;
+ case F_C:
+ conv_c(pr, bp);
+ break;
+ case F_CHAR:
+ printf(pr->fmt, *bp);
+ break;
+ case F_DBL:{
+ double dval;
+ float fval;
+
+ switch (pr->bcnt) {
+ case 4:
+ memmove((char *) &fval, (char *) bp,
+ sizeof(fval));
+ printf(pr->fmt, fval);
+ break;
+ case 8:
+ memmove((char *) &dval, (char *) bp,
+ sizeof(dval));
+ printf(pr->fmt, dval);
+ break;
+ }
+ break;
+ }
+ case F_INT:{
+ int ival;
+ short sval;
+
+ switch (pr->bcnt) {
+ case 1:
+ printf(pr->fmt, (int) *bp);
+ break;
+ case 2:
+ memmove((char *) &sval, (char *) bp,
+ sizeof(sval));
+ printf(pr->fmt, (int) sval);
+ break;
+ case 4:
+ memmove((char *) &ival, (char *) bp,
+ sizeof(ival));
+ printf(pr->fmt, ival);
+ break;
+ }
+ break;
+ }
+ case F_P:
+ printf(pr->fmt, isprint(*bp) ? *bp : '.');
+ break;
+ case F_STR:
+ printf(pr->fmt, (char *) bp);
+ break;
+ case F_TEXT:
+ printf(pr->fmt);
+ break;
+ case F_U:
+ conv_u(pr, bp);
+ break;
+ case F_UINT:{
+ unsigned int ival;
+ unsigned short sval;
+
+ switch (pr->bcnt) {
+ case 1:
+ printf(pr->fmt, (unsigned int) * bp);
+ break;
+ case 2:
+ memmove((char *) &sval, (char *) bp,
+ sizeof(sval));
+ printf(pr->fmt, (unsigned int) sval);
+ break;
+ case 4:
+ memmove((char *) &ival, (char *) bp,
+ sizeof(ival));
+ printf(pr->fmt, ival);
+ break;
+ }
+ break;
+ }
+ }
+ if (cnt == 1 && pr->nospace) {
+ *pr->nospace = savech;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (endfu) {
+ /*
+ * if eaddress not set, error or file bb_dump_size was multiple of
+ * bb_dump_blocksize, and no partial block ever found.
+ */
+ if (!eaddress) {
+ if (!address) {
+ return;
+ }
+ eaddress = address;
+ }
+ for (pr = endfu->nextpr; pr; pr = pr->nextpr) {
+ switch (pr->flags) {
+ case F_ADDRESS:
+ (void) printf(pr->fmt, (unsigned int) eaddress);
+ break;
+ case F_TEXT:
+ (void) printf(pr->fmt);
+ break;
+ }
+ }
+ }
+}
+
+int bb_dump_dump(char **argv)
+{
+ FS *tfs;
+
+ /* figure out the data block bb_dump_size */
+ for (bb_dump_blocksize = 0, tfs = bb_dump_fshead; tfs; tfs = tfs->nextfs) {
+ tfs->bcnt = bb_dump_size(tfs);
+ if (bb_dump_blocksize < tfs->bcnt) {
+ bb_dump_blocksize = tfs->bcnt;
+ }
+ }
+ /* rewrite the rules, do syntax checking */
+ for (tfs = bb_dump_fshead; tfs; tfs = tfs->nextfs) {
+ rewrite(tfs);
+ }
+
+ next(argv);
+ display();
+
+ return exitval;
+}
+
+void bb_dump_add(const char *fmt)
+{
+ const char *p;
+ char *p1;
+ char *p2;
+ static FS **nextfs;
+ FS *tfs;
+ FU *tfu, **nextfu;
+ const char *savep;
+
+ /* start new linked list of format units */
+ tfs = xzalloc(sizeof(FS)); /*DBU:[dave@cray.com] start out NULL */
+ if (!bb_dump_fshead) {
+ bb_dump_fshead = tfs;
+ } else {
+ *nextfs = tfs;
+ }
+ nextfs = &tfs->nextfs;
+ nextfu = &tfs->nextfu;
+
+ /* take the format string and break it up into format units */
+ for (p = fmt;;) {
+ /* bb_dump_skip leading white space */
+ p = skip_whitespace(p);
+ if (!*p) {
+ break;
+ }
+
+ /* allocate a new format unit and link it in */
+ /* NOSTRICT */
+ /* DBU:[dave@cray.com] calloc so that forward pointers start out NULL */
+ tfu = xzalloc(sizeof(FU));
+ *nextfu = tfu;
+ nextfu = &tfu->nextfu;
+ tfu->reps = 1;
+
+ /* if leading digit, repetition count */
+ if (isdigit(*p)) {
+ for (savep = p; isdigit(*p); ++p);
+ if (!isspace(*p) && *p != '/') {
+ bb_error_msg_and_die("bad format {%s}", fmt);
+ }
+ /* may overwrite either white space or slash */
+ tfu->reps = atoi(savep);
+ tfu->flags = F_SETREP;
+ /* bb_dump_skip trailing white space */
+ p = skip_whitespace(++p);
+ }
+
+ /* bb_dump_skip slash and trailing white space */
+ if (*p == '/') {
+ p = skip_whitespace(++p);
+ }
+
+ /* byte count */
+ if (isdigit(*p)) {
+// TODO: use bb_strtou
+ savep = p;
+ do p++; while (isdigit(*p));
+ if (!isspace(*p)) {
+ bb_error_msg_and_die("bad format {%s}", fmt);
+ }
+ tfu->bcnt = atoi(savep);
+ /* bb_dump_skip trailing white space */
+ p = skip_whitespace(++p);
+ }
+
+ /* format */
+ if (*p != '"') {
+ bb_error_msg_and_die("bad format {%s}", fmt);
+ }
+ for (savep = ++p; *p != '"';) {
+ if (*p++ == 0) {
+ bb_error_msg_and_die("bad format {%s}", fmt);
+ }
+ }
+ tfu->fmt = xmalloc(p - savep + 1);
+ strncpy(tfu->fmt, savep, p - savep);
+ tfu->fmt[p - savep] = '\0';
+/* escape(tfu->fmt); */
+
+ p1 = tfu->fmt;
+
+ /* alphabetic escape sequences have to be done in place */
+ for (p2 = p1;; ++p1, ++p2) {
+ if (!*p1) {
+ *p2 = *p1;
+ break;
+ }
+ if (*p1 == '\\') {
+ const char *cs = conv_str + 4;
+ ++p1;
+ *p2 = *p1;
+ do {
+ if (*p1 == cs[2]) {
+ *p2 = cs[0];
+ break;
+ }
+ cs += 4;
+ } while (*cs);
+ }
+ }
+
+ p++;
+ }
+}
+
+/*
+ * 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. 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.
+ */