bool JarFile::open()
{
if ((fd = ::open(_filename, O_RDONLY)) < 0) {
fprintf(stderr, "open failed.\n");
return false;
}
if (!init_inflation())
return false;
return true;
}
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(argc, argv, "bce:insVw")) != -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':
printf("%s\n", GVERSION);
exit(0);
case 'w':
options |= JG_WORD_EXPRESSIONS;
break;
default:
fprintf(stderr, "Unknown option -%c\n", c);
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;
}
