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Diffstat (limited to 'text-utils/odsyntax.c')
| -rw-r--r-- | text-utils/odsyntax.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/text-utils/odsyntax.c b/text-utils/odsyntax.c new file mode 100644 index 000000000..2dd5a2a26 --- /dev/null +++ b/text-utils/odsyntax.c @@ -0,0 +1,255 @@ +/*- + * Copyright (c) 1990 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. + */ + +#ifndef lint +static char sccsid[] = "@(#)odsyntax.c 5.4 (Berkeley) 3/8/91"; +#endif /* not lint */ + +#include <sys/types.h> +#include <stdlib.h> +#include <stdio.h> +#include "hexdump.h" + +int deprecated; + +oldsyntax(argc, argvp) + int argc; + char ***argvp; +{ + extern enum _vflag vflag; + extern FS *fshead; + extern char *optarg; + extern int length, optind; + int ch; + char **argv; + static void odprecede(); + + deprecated = 1; + argv = *argvp; + while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != EOF) + switch (ch) { + case 'a': + odprecede(); + add("16/1 \"%3_u \" \"\\n\""); + break; + case 'B': + case 'o': + odprecede(); + add("8/2 \" %06o \" \"\\n\""); + break; + case 'b': + odprecede(); + add("16/1 \"%03o \" \"\\n\""); + break; + case 'c': + odprecede(); + add("16/1 \"%3_c \" \"\\n\""); + break; + case 'd': + odprecede(); + add("8/2 \" %05u \" \"\\n\""); + break; + case 'D': + odprecede(); + add("4/4 \" %010u \" \"\\n\""); + break; + case 'e': /* undocumented in od */ + case 'F': + odprecede(); + add("2/8 \" %21.14e \" \"\\n\""); + break; + + case 'f': + odprecede(); + add("4/4 \" %14.7e \" \"\\n\""); + break; + case 'H': + case 'X': + odprecede(); + add("4/4 \" %08x \" \"\\n\""); + break; + case 'h': + case 'x': + odprecede(); + add("8/2 \" %04x \" \"\\n\""); + break; + case 'I': + case 'L': + case 'l': + odprecede(); + add("4/4 \" %11d \" \"\\n\""); + break; + case 'i': + odprecede(); + add("8/2 \" %6d \" \"\\n\""); + break; + case 'O': + odprecede(); + add("4/4 \" %011o \" \"\\n\""); + break; + case 'v': + vflag = ALL; + break; + case 'P': + case 'p': + case 's': + case 'w': + case '?': + default: + (void)fprintf(stderr, + "od: od(1) has been deprecated for hexdump(1).\n"); + if (ch != '?') + (void)fprintf(stderr, +"od: hexdump(1) compatibility doesn't support the -%c option%s\n", + ch, ch == 's' ? "; see strings(1)." : "."); + usage(); + } + + if (!fshead) { + add("\"%07.7_Ao\n\""); + add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\""); + } + + argc -= optind; + *argvp += optind; + + odoffset(argc, argvp); +} + +#define ishexdigit(c) \ + (c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F') + +odoffset(argc, argvp) + int argc; + char ***argvp; +{ + extern off_t skip; + register char *num, *p; + int base; + char *end; + + /* + * The offset syntax of od(1) was genuinely bizarre. First, if + * it started with a plus it had to be an offset. Otherwise, if + * there were at least two arguments, a number or lower-case 'x' + * followed by a number makes it an offset. By default it was + * octal; if it started with 'x' or '0x' it was hex. If it ended + * in a '.', it was decimal. If a 'b' or 'B' was appended, it + * multiplied the number by 512 or 1024 byte units. There was + * no way to assign a block count to a hex offset. + * + * We assumes it's a file if the offset is bad. + */ + p = **argvp; + if (*p != '+' && (argc < 2 || + (!isdigit(p[0]) && (p[0] != 'x' || !ishexdigit(p[1]))))) + return; + + base = 0; + /* + * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and + * set base. + */ + if (p[0] == '+') + ++p; + if (p[0] == 'x' && ishexdigit(p[1])) { + ++p; + base = 16; + } else if (p[0] == '0' && p[1] == 'x') { + p += 2; + base = 16; + } + + /* skip over the number */ + if (base == 16) + for (num = p; ishexdigit(*p); ++p); + else + for (num = p; isdigit(*p); ++p); + + /* check for no number */ + if (num == p) + return; + + /* if terminates with a '.', base is decimal */ + if (*p == '.') { + if (base) + return; + base = 10; + } + + skip = strtol(num, &end, base ? base : 8); + + /* if end isn't the same as p, we got a non-octal digit */ + if (end != p) + skip = 0; + else { + if (*p) { + if (*p == 'b') + skip *= 512; + else if (*p == 'B') + skip *= 1024; + ++p; + } + if (*p) + skip = 0; + else { + ++*argvp; + /* + * If the offset uses a non-octal base, the base of + * the offset is changed as well. This isn't pretty, + * but it's easy. + */ +#define TYPE_OFFSET 7 + if (base == 16) { + fshead->nextfu->fmt[TYPE_OFFSET] = 'x'; + fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x'; + } else if (base == 10) { + fshead->nextfu->fmt[TYPE_OFFSET] = 'd'; + fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd'; + } + } + } +} + +static void +odprecede() +{ + static int first = 1; + + if (first) { + first = 0; + add("\"%07.7_Ao\n\""); + add("\"%07.7_ao \""); + } else + add("\" \""); +} |