+++ /dev/null
-/*
- jargrep.c - main functions for jargrep utility
- Copyright (C) 2002, 2003, 2006 Free Software Foundation
- Copyright (C) 1999, 2000 Bryan Burns
- Copyright (C) 2000 Cory Hollingsworth
-
- Parts of this program are base on Bryan Burns work with fastjar
- Copyright (C) 1999.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*/
-
-/* Id: jargrep.c,v 1.5 2002/01/03 04:57:56 rodrigc Exp
-
-Log: jargrep.c,v
-Revision 1.5 2002/01/03 04:57:56 rodrigc
-2001-01-02 Craig Rodrigues <rodrigc@gcc.gnu.org>
-
- PR bootstrap/5117
- * configure.in (AC_CHECK_HEADERS): Check for stdlib.h.
- * Makefile.am: Move grepjar to bin_PROGRAMS.
- * config.h.in: Regenerated.
- * Makefile.in: Regenerated.
- * aclocal.m4: Regenerated.
- * jargrep.c: Eliminate some signed/unsigned and default
- uninitialized warnings. Use HAVE_STDLIB_H instead of
- STDC_HEADERS macro.
- * jartool.c: Likewise.
- * compress.c: Likewise.
-
-Revision 1.4 2000/12/15 18:45:09 tromey
- * jargrep.c: Include getopt.h if it exists.
- (optind): Declare.
- * configure, config.h: Rebuilt.
- * configure.in: Check for getopt.h.
-
-Revision 1.3 2000/12/14 18:45:35 ghazi
-Warning fixes:
-
- * compress.c: Include stdlib.h and compress.h.
- (rcsid): Delete.
- (report_str_error): Make static.
- (ez_inflate_str): Delete unused variable. Add parens in if-stmt.
- (hrd_inflate_str): Likewise.
-
- * compress.h (init_compression, end_compression, init_inflation,
- end_inflation): Prototype void arguments.
-
- * dostime.c (rcsid): Delete.
-
- * jargrep.c: Include ctype.h, stdlib.h, zlib.h and compress.h.
- Make functions static. Cast ctype function argument to `unsigned
- char'. Add parens in if-stmts. Constify.
- (Usage): Change into a macro.
- (jargrep): Remove unused parameter.
-
- * jartool.c: Constify. Add parens in if-stmts. Align
- signed/unsigned char pointers in functions calls using casts.
- (rcsid): Delete.
- (list_jar): Fix printf format specifier.
- (usage): Chop long string into bits. Reformat.
-
- * pushback.c (rcsid): Delete.
-
-Revision 1.2 2000/12/11 02:59:55 apbianco
-2000-12-10 Robert Lipe <robertlipe@usa.net>
-
- * jargrep.c (jargrep): Added null statement after case.
-
-2000-12-10 Alexandre Petit-Bianco <apbianco@cygnus.com>
-
- * Makefile: Removed.
- * Makefile.in: Rebuilt with `-i' and `--enable-foreign'.
-
-(http://gcc.gnu.org/ml/gcc/2000-12/msg00294.html)
-
-Revision 1.1 2000/12/09 03:08:23 apbianco
-2000-12-08 Alexandre Petit-Bianco <apbianco@cygnus.com>
-
- * fastjar: Imported.
-
-Revision 1.8 2000/09/13 14:02:02 cory
-Reformatted some of the code to more closly match the layout of the orriginal
-fastjar utility.
-
-Revision 1.7 2000/09/12 22:29:36 cory
-Jargrep now seems to do what I want it to do. Performs properly on Linux x86,
-will test some other platforms later.
-
-
-*/
-
-#include "config.h"
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <ctype.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#include "xregex.h"
-
-#include "jargrep.h"
-#include "jartool.h"
-#include "pushback.h"
-#include "zipfile.h"
-#include "zlib.h"
-#include "compress.h"
-#include <getopt.h>
-
-void version(void);
-void help(const char *name);
-
-#define Usage "Usage: %s [-bcinsVw] [--version|--help] <-e PATTERN | PATTERN> FILE ...\n"
-
-/*
-Function name: opt_valid
-arg: options Bitfield flag that contains the command line options of grepjar.
-purpose: To guard agains the occurance of certain incompatible flags being used
-together.
-returns: TRUE if options are valid, FALSE otherwise.
-*/
-
-static int opt_valid(int options) {
- int retflag;
-
- if((options & JG_PRINT_COUNT) &&
- (options & (JG_PRINT_BYTEOFFSET | JG_PRINT_LINE_NUMBER)))
- {
- retflag = FALSE;
- }
- else retflag = TRUE;
-
- return retflag;
-}
-
-/*
-Function name: create_regexp
-args: regstr String containing the uncompiled regular expression. This may be the
- expression as is passed in through argv.
- options This is the flag containing the commandline options that have been
- parsed by getopt.
-purpose: Handle the exception handling involved with setting upt a new regular
-expression.
-returns: Newly allocated compile regular expression ready to be used in an regexec call.
-*/
-
-static regex_t *create_regexp(const char *regstr, int options) {
- regex_t *exp;
- int errcode;
- int msgsize;
- char *errmsg;
-
- if((exp = (regex_t *) malloc(sizeof(regex_t))))
- {
- if((errcode = regcomp(exp, regstr, (options & JG_IGNORE_CASE) ? REG_ICASE : 0))) {
- fprintf(stderr, "regcomp of regex failed,\n");
- if((errmsg = (char *) malloc(msgsize = regerror(errcode, exp, NULL, 0) + 1))) {
- regerror(errcode, exp, errmsg, msgsize);
- fprintf(stderr, "Error: %s\n", errmsg);
- free(exp);
- free(errmsg);
- exit(1);
- }
- else {
- fprintf(stderr, "Malloc of errmsg failed.\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- free(exp);
- exit(1);
- }
- }
- }
- else {
- fprintf(stderr, "Malloc of regex failed,\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- exit(1);
- }
-
- return exp;
-}
-
-/*
-Function name: check_sig
-args: scratch Pointer to array of bytes containing signature.
- pbf Pointer to push back handle for jar file.
-purpose: Verify that checksum is correct.
-returns: 0, 1, or 2. 0 means we are ready to read embedded file information. 1 means
-we have read beyound the embedded file list and can exit knowing we have read all the
-relevent information. 2 means we still haven't reached embdedded file list and need to
-do some more reading.
-*/
-static int check_sig(ub1 *scratch, pb_file *pbfp) {
- ub4 signature;
- int retflag = 0;
-
- signature = UNPACK_UB4(scratch, 0);
-
-#ifdef DEBUG
- printf("signature is %x\n", signature);
-#endif
- if(signature == 0x08074b50){
-#ifdef DEBUG
- printf("skipping data descriptor\n");
-#endif
- pb_read(pbfp, scratch, 12);
- retflag = 2;
- } else if(signature == 0x02014b50){
-#ifdef DEBUG
- printf("Central header reached.. we're all done!\n");
-#endif
- retflag = 1;
- }else if(signature != 0x04034b50){
- printf("Ick! %#x\n", signature);
- retflag = 1;
- }
-
- return retflag;
-}
-
-/*
-Function name: decd_siz
-args csize Pointer to embedded file's compressed size.
- usize Pointer to embedded file's uncmpressed size.
- fnlen Pointer to embedded file's file name length.
- elfen Pointer to length of extra fields in jar file.
- flags Pointer to bitmapped flags.
- method Pointer to indicator of storage method of embedded file.
- file_header Pointer to string containing the above values to be unbacked.
-Purpose: Unpack the series of values from file_header.
-*/
-
-static void decd_siz(ub4 *csize, ub4 *usize, ub2 *fnlen, ub2 *eflen, ub2 *flags, ub2 *method, ub1 *file_header) {
- *csize = UNPACK_UB4(file_header, LOC_CSIZE);
-#ifdef DEBUG
- printf("Compressed size is %u\n", *csize);
-#endif
-
- *usize = UNPACK_UB4(file_header, LOC_USIZE);
-#ifdef DEBUG
- printf("Uncompressed size is %u\n", *usize);
-#endif
-
- *fnlen = UNPACK_UB2(file_header, LOC_FNLEN);
-#ifdef DEBUG
- printf("Filename length is %hu\n", *fnlen);
-#endif
-
- *eflen = UNPACK_UB2(file_header, LOC_EFLEN);
-#ifdef DEBUG
- printf("Extra field length is %hu\n", *eflen);
-#endif
-
- *flags = UNPACK_UB2(file_header, LOC_EXTRA);
-#ifdef DEBUG
- printf("Flags are %#hx\n", *flags);
-#endif
-
- *method = UNPACK_UB2(file_header, LOC_COMP);
-#ifdef DEBUG
- printf("Compression method is %#hx\n", *method);
-#endif
-
-}
-
-/*
-Function name: new_filename
-args: pbf Pointer to push back file handle. Used for reading input file.
- len Length of file name to be read.
-purpose: Read in the embedded file name from jar file.
-returns: Pointer to newly allocated string containing file name.
-*/
-
-static char *new_filename(pb_file *pbf, ub4 len) {
- char *filename;
-
- if(!(filename = (char *) malloc(len + 1))) {
- fprintf(stderr, "Malloc failed of filename\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- }
- pb_read(pbf, filename, len);
- filename[len] = '\0';
-
-#ifdef DEBUG
- printf("filename is %s\n", filename);
-#endif
-
- return filename;
-}
-
-/*
-Funtion name: read_string
-args: pbf Pointer to push back file handle. Used for reading input file.
- size Size of embedded file in bytes.
-purpose: Create a string containing the contents of the embedded noncompressed file.
-returns: Pointer to newly allocated string containing embedded file contents.
-*/
-
-static char *read_string(pb_file *pbf, int size) {
- char *page;
-
- if((page = (char *) malloc(size + 1))) {
- pb_read(pbf, page, size);
- page[size] = '\0';
- }
- else {
- fprintf(stderr, "Malloc of page buffer failed.\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- exit(1);
- }
-
- return page;
-}
-
-/*
-Function name: extract_line
-args: stream String containing the full contents of a file which is to be substringed
- in order to provide line representing our grep output.
- begin Index into stream which regular expression first matches.
- end Index into stream which end of match to the regular expression.
- b Pointer to the index of what will be the beginning of the line when
- string is returned. Used for -b option.
-purpose: Create a string that can be printed by jargrep from the long string stream.
-The matching line that is printed out by jargrep is generated by this function.
-returns: Pointer to newly allocated string containing matched expression.
-*/
-
-static char *extract_line(const char *stream, regoff_t begin, regoff_t end, int *b) {
- int e;
- int length;
- char *retstr;
-
- for(*b = begin; *b >= 0 && !iscntrl((unsigned char)stream[*b]); (*b)--);
- (*b)++;
- for(e = end; stream[e] == '\t' || !iscntrl((unsigned char)stream[e]); e++);
- length = e - *b;
- if((retstr = (char *) malloc(length + 1))) {
- sprintf(retstr, "%d:", *b);
- strncpy(retstr, &(stream[*b]), length);
- retstr[length] = '\0';
- }
- else {
- fprintf(stderr, "Malloc failed of output string.\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- exit(1);
- }
-
- return retstr;
-}
-
-/*
-Function name: chk_wrd
-args: exp Pointer to compiled POSIX style regular expression of search target.
- str String known to contain at least one match of exp.
-purpose: Verify that the occurance of the regular expression in str occurs as a whole
-word and not a substring of another word.
-returns: TRUE if it is a word, FALSE of it is a substring.
-*/
-
-static int chk_wrd(regex_t *exp, const char *str) {
- int wrd_fnd = FALSE;
- int frnt_ok;
- int bck_ok;
- const char *str2;
- regmatch_t match;
-
- str2 = str;
- frnt_ok = bck_ok = FALSE;
- while(!wrd_fnd && !regexec(exp, str2, 1, &match, 0)) {
- if(!match.rm_so && (str2 == str)) frnt_ok = TRUE;
- else if(!isalnum((unsigned char)str2[match.rm_so - 1])
- && str2[match.rm_so - 1] != '_')
- frnt_ok = TRUE;
- else frnt_ok = FALSE;
- if(frnt_ok) {
- if(str2[match.rm_eo] == '\0') bck_ok = TRUE;
- else if(!isalnum((unsigned char)str2[match.rm_eo])
- && str2[match.rm_eo] != '_')
- bck_ok = TRUE;
- else bck_ok = FALSE;
- }
- wrd_fnd = frnt_ok && bck_ok;
- str2 = &(str2[match.rm_eo]);
- }
-
- return wrd_fnd;
-}
-
-/*
-Function name: prnt_mtchs
-args: exp Pointer to compiled POSIX style regular expression of search target.
- filename String containing the name of the embedded file which matches have
- been found in.
- stream String containing the processed contents of the embedded jar file
- represended with filename.
- pmatch Array of regmatch_t matches into stream.
- nl_offset Array of offsets of '\n' characters in stream. May be NULL if -n is
- not set on command line.
- num Number of matches in pmatch array.
- lines Number of lines in file. Not set if -n is not set on command line.
- options Bitwise flag containing flags set to represent the command line
- options.
-purpose: Control output of jargrep. Output is controlled by which options have been
-set at the command line.
-*/
-
-static void prnt_mtchs(regex_t *exp, const char *filename, const char *stream, regmatch_t *pmatch, regmatch_t *nl_offset, int num, int lines, int options) {
- int i;
- int j = 0;
- int ln_cnt;
- int begin;
- int o_begin;
- char *str;
-
- o_begin = -1;
- ln_cnt = 0;
- for(i = 0; i < num; i++) {
- str = extract_line(stream, pmatch[i].rm_so, pmatch[i].rm_eo, &begin);
- if(begin > o_begin) {
- if(!(options & JG_WORD_EXPRESSIONS) || chk_wrd(exp, str)) {
- ln_cnt++;
- if(!(options & JG_PRINT_COUNT)) {
- printf("%s:", filename);
- if(options & JG_PRINT_LINE_NUMBER) {
- for(; j < lines && nl_offset[j].rm_so < begin; j++);
- printf("%d:", j + 1);
- }
- if(options & JG_PRINT_BYTEOFFSET) printf("%d:", begin);
- printf("%s\n", str);
- }
- }
- }
- o_begin = begin;
- free(str);
- }
- if(options & JG_PRINT_COUNT) printf("%s:%d\n", filename, ln_cnt);
-}
-
-/*
-Function name: check_crc
-args: pbf Pointer to pushback file pointer for jar file.
- stream String containing the non modified contents fo the extraced file entry.
- usize Size of file in bytes.
-purpose: Verify the CRC matches that as what is stored in the jar file.
-*/
-
-static void check_crc(pb_file *pbf, const char *stream, ub4 usize) {
- ub4 crc=0;
- ub4 lcrc;
- ub1 scratch[16];
-
- crc = crc32(crc, NULL, 0);
- crc = crc32(crc, (const unsigned char *)stream, usize);
- if(pb_read(pbf, scratch, 16) != 16) {
- perror("read");
- exit(1);
- }
- if(UNPACK_UB4(scratch, 0) != 0x08074b50) {
- fprintf(stderr, "Error! Missing data descriptor!\n");
- exit(1);
- }
- lcrc = UNPACK_UB4(scratch, 4);
- if(crc != lcrc){
- fprintf(stderr, "Error! CRCs do not match! Got %x, expected %x\n",
- crc, lcrc);
- exit(1);
- }
-}
-
-/*
-Function name mk_ascii
-args: stream String that contains the contents of the extraced file entry.
- usize String size.
-purpose: Make certain that the contents of the file are ASCII, not binary. This
-permits grepping of binary files as well by converting non ASCII and control characters
-into '\n'.
-*/
-
-static void mk_ascii(char *stream, size_t usize) {
- size_t i;
-
- for(i = 0; i < usize; i++)
- if(stream[i] != '\t'
- && (iscntrl((unsigned char)stream[i])
- || (unsigned char) stream[i] >= 128))
- stream[i] = '\n';
-}
-
-/*
-Funtion name: fnd_match
-args: exp Pointer to compiled POSIX style regular expression of search target.
- str_stream String that contains the contents of the extracted file entry.
- i Pointer to counter and index of matches.
-purpose: Search str_stream for occurances of the regular expression exp and create
-an array of matches.
-returns: Pointer to newly allocated array of regmatch_t which gives indexes to start
-and end of matches. NULL is returned upon no matches found.
-*/
-
-static regmatch_t *fnd_match(regex_t *exp, const char *str_stream, int *i) {
- int regflag;
- regmatch_t match;
- regmatch_t *match_array;
- regmatch_t *tmp;
-
- match_array = NULL;
- for(*i = 0, regflag = regexec(exp, str_stream, 1, &match, 0); !regflag;
- regflag = regexec(exp, &(str_stream[match.rm_eo]), 1, &match, 0), (*i)++)
- {
- if((tmp = (regmatch_t *)
- realloc(match_array, sizeof(regmatch_t) * ((*i) + 1))))
- {
- match_array = tmp;
- if(*i) {
- match.rm_so += match_array[(*i) - 1].rm_eo;
- match.rm_eo += match_array[(*i) - 1].rm_eo;
- }
- match_array[*i] = match;
- }
- else {
- fprintf(stderr, "Realloc of match_array failed.\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- exit(1);
- }
- }
-
- return match_array;
-}
-
-/*
-Function name: cont_grep
-args: exp Pointer to compiled POSIX style regular expression of search target.
- nl_exp Pointer to compiled POSIX style regular expression of newlines. This
- argument is NULL unless the -n option is used on the command line.
- fd File descriptor of the jar file being grepped.
- pbf Pointer to pushback file style file stream. This is for use with
- the pushback.c file io funtions.
- options Bitwise flag containing flags set to represent the command line options.
-purpose: This function handles single entries in an open jar file. The header is
-read and then the embeded file is extracted and grepped.
-returns: FALSE upon failure, TRUE otherwise.
-*/
-
-static int cont_grep(regex_t *exp, regex_t *nl_exp, int fd, pb_file *pbf, int options) {
- int retflag = TRUE;
- int i;
- int j;
- ub4 csize;
- ub4 usize;
- ub2 fnlen;
- ub2 eflen;
- ub2 flags;
- ub2 method;
- ub1 file_header[30];
- char *filename;
- char *str_stream;
- regmatch_t *match_array;
- regmatch_t *nl_offsets=0;
-
- if(pb_read(pbf, (file_header + 4), 26) != 26) {
- perror("read");
- retflag = FALSE;
- }
- else {
- decd_siz(&csize, &usize, &fnlen, &eflen, &flags, &method, file_header);
- filename = new_filename(pbf, fnlen);
- lseek(fd, eflen, SEEK_CUR);
- if(filename[fnlen - 1] != '/') {
- str_stream = (method == 8 || (flags & 0x0008)) ?
- (char *) inflate_string(pbf, &csize, &usize) :
- read_string(pbf, csize);
- if(flags & 0x008) check_crc(pbf, str_stream, usize);
- mk_ascii(str_stream, usize);
- match_array = fnd_match(exp, str_stream, &i);
- if((options & JG_PRINT_LINE_NUMBER) && i)
- nl_offsets = fnd_match(nl_exp, str_stream, &j);
- prnt_mtchs(exp, filename, str_stream, match_array, nl_offsets, i, j, options);
- if(match_array) free(match_array);
- free(str_stream);
- }
- free(filename);
- retflag = TRUE;
- }
-
- return retflag;
-}
-
-/*
-Funtion name: jargrep
-args: exp Pointer to compiled POSIX style regular expression of search target.
- nl_exp Pointer to compiled regular expression for newlines or NULL. Only set
- if -n option is present at command line.
- jarfile Filename of jar file to be searched.
- options Bitwise flag containing flags set to represent the command line options.
-purpose: Open jar file. Check signatures. When right signature is found go to deeper
-grep routine.
-*/
-
-static void jargrep(regex_t *exp, regex_t *nl_exp, const char *jarfile, int options){
- int fd;
- int floop = TRUE;
- pb_file pbf;
- ub1 scratch[16];
-
- if((fd = open(jarfile, O_RDONLY)) == -1) {
- if(!(options & JG_SUPRESS_ERROR))
- fprintf(stderr, "Error reading file '%s': %s\n", jarfile, strerror(errno));
- }
- else {
- pb_init(&pbf, fd);
-
- do {
- if(pb_read(&pbf, scratch, 4) != 4) {
- perror("read");
- floop = FALSE;
- }
- else {
- switch (check_sig(scratch, &pbf)) {
- case 0:
- floop = cont_grep(exp, nl_exp, fd, &pbf, options);
- break;
- case 1:
- floop = FALSE;
- break;
- case 2:
- /* fall through continue */
- ;
- }
- }
- } while(floop);
- }
-}
-
-/* This is used to mark options with no short value. */
-#define LONG_OPT(Num) ((Num) + 128)
-
-#define OPT_HELP LONG_OPT (0)
-
-static const struct option option_vec[] =
-{
- { "help", no_argument, NULL, OPT_HELP },
- { "version", no_argument, NULL, 'V' },
- { NULL, no_argument, NULL, 0 }
-};
-
-/*
-Funtion Name: main
-args: argc number of in coming args.
- argv array of strings.
-purpose: Entry point of the program. Parse command line arguments and set options.
-Set up regular expressions. Call grep routines for each file as input.
-returns: 1 on error 0 on success.
-*/
-
-int main(int argc, char **argv) {
- int c;
- int retval = 0;
- int fileindex;
- int options = 0;
- regex_t *regexp;
- regex_t *nl_exp = NULL;
- char *regexpstr = NULL;
-
- while((c = getopt_long(argc, argv, "bce:insVw",
- option_vec, NULL)) != -1) {
- switch(c) {
- case 'b':
- options |= JG_PRINT_BYTEOFFSET;
- break;
- case 'c':
- options |= JG_PRINT_COUNT;
- break;
- case 'e':
- if(!(regexpstr = (char *) malloc(strlen(optarg) + 1))) {
- fprintf(stderr, "Malloc failure.\n");
- fprintf(stderr, "Error: %s\n", strerror(errno));
- exit(1);
- }
- strcpy(regexpstr, optarg);
- break;
- case 'i':
- options |= JG_IGNORE_CASE;
- break;
- case 'n':
- options |= JG_PRINT_LINE_NUMBER;
- break;
- case 's':
- options |= JG_SUPRESS_ERROR;
- break;
- case 'v':
- options |= JG_INVERT;
- break;
- case 'V':
- version ();
- break;
- case 'w':
- options |= JG_WORD_EXPRESSIONS;
- break;
- case OPT_HELP:
- help(argv[0]);
- break;
- default:
- fprintf(stderr, Usage, argv[0]);
- exit(1);
- }
- }
- if(!regexpstr){
- if(((argc - optind) >= 2)) {
- regexpstr = argv[optind];
- fileindex = optind + 1;
- }
- else {
- fprintf(stderr, "Invalid arguments.\n");
- fprintf(stderr, Usage, argv[0]);
- exit(1);
- }
- }
- else if((argc - optind) == 1) {
- fileindex = optind;
- }
- else {
- fprintf(stderr, "Invalid arguments.\n");
- fprintf(stderr, Usage, argv[0]);
- exit(1);
- }
-
- if(opt_valid(options)) {
- regexp = create_regexp(regexpstr, options);
- if(options & JG_PRINT_LINE_NUMBER) nl_exp = create_regexp("\n", 0);
- init_inflation();
- for(; fileindex < argc; fileindex++)
- jargrep(regexp, nl_exp, argv[fileindex], options);
- regfree(regexp);
- if(options & JG_PRINT_LINE_NUMBER) regfree(nl_exp);
- }
- else {
- retval = 1;
- fprintf(stderr, "Error: Invalid combination of options.\n");
- }
-
- return retval;
-}
-
-void help(const char *filename)
-{
- printf (Usage, filename);
- printf ("\
-\n\
-Search files in a jar file for a pattern.\n\
-\n\
- -b print byte offset of match\n\
- -c print number of matches\n\
- -i compare case-insensitively\n\
- -n print line number of each match\n\
- -s suppress error messages\n\
- -w force PATTERN to match only whole words\n\
- -e PATTERN use PATTERN as regular expression\n\
- -V|--version print version number and exit\n\
- --help print help\n\
-");
-
- exit (0);
-}
-
-void version ()
-{
- printf("grepjar (%s) %s\n\n", PACKAGE, VERSION);
- printf("Copyright 1999, 2000, 2001 Bryan Burns\n");
- printf("Copyright 2000 Cory Hollingsworth\n");
- printf("Copyright 2006 Free Software Foundation\n");
- printf("\
-This is free software; see the source for copying conditions. There is NO\n\
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
- exit (0);
-}