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/*
* Copyright 2005-2006 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/qgrep.c,v 1.10 2006/01/07 16:25:28 solar Exp $
*
* Copyright 2005-2006 Ned Ludd - <solar@gentoo.org>
* Copyright 2005-2006 Mike Frysinger - <vapier@gentoo.org>
* Copyright 2005 Petteri Räty - <betelgeuse@gentoo.org>
*/
#ifdef APPLET_qgrep
#define QGREP_FLAGS "IiHce" COMMON_FLAGS
static struct option const qgrep_long_opts[] = {
{"invert-match", no_argument, NULL, 'I'},
{"ignore-case", no_argument, NULL, 'i'},
{"with-filename", no_argument, NULL, 'H'},
{"count", no_argument, NULL, 'c'},
{"regexp", no_argument, NULL, 'e'},
COMMON_LONG_OPTS
};
static const char *qgrep_opts_help[] = {
"Select non-matching lines",
"Ignore case distinctions",
"Print the filename for each match",
"Only print a count of matching lines per FILE",
"Use PATTERN as a regular expression",
COMMON_OPTS_HELP
};
static const char qgrep_rcsid[] = "$Id: qgrep.c,v 1.10 2006/01/07 16:25:28 solar Exp $";
#define qgrep_usage(ret) usage(ret, QGREP_FLAGS, qgrep_long_opts, qgrep_opts_help, lookup_applet_idx("qgrep"))
int qgrep_main(int argc, char **argv)
{
int i;
int count = 0;
char *p;
char do_count, do_regex;
char show_filename;
FILE *fp;
char ebuild[_Q_PATH_MAX];
char buf0[BUFSIZ];
int reflags = REG_NOSUB;
char invert_match = 0;
typedef char *(*FUNC) (char *, char *);
FUNC strfunc = (FUNC) strstr;
DBG("argc=%d argv[0]=%s argv[1]=%s",
argc, argv[0], argc > 1 ? argv[1] : "NULL?");
do_count = do_regex = show_filename = 0;
while ((i = GETOPT_LONG(QGREP, qgrep, "")) != -1) {
switch (i) {
case 'I': invert_match = 1; break;
case 'i':
strfunc = (FUNC) strcasestr;
reflags |= REG_ICASE;
break;
case 'c': do_count = 1; break;
case 'e': do_regex = 1; break;
case 'H': show_filename = 1; break;
COMMON_GETOPTS_CASES(qgrep)
}
}
if (argc == optind)
qgrep_usage(EXIT_FAILURE);
initialize_ebuild_flat(); /* sets our pwd to $PORTDIR */
if ((fp = fopen(".ebuild.x", "r")) == NULL)
return 1;
while ((fgets(ebuild, sizeof(ebuild), fp)) != NULL) {
FILE *newfp;
if ((p = strchr(ebuild, '\n')) != NULL)
*p = 0;
if ((newfp = fopen(ebuild, "r")) != NULL) {
unsigned int lineno = 0;
count = 0;
while ((fgets(buf0, sizeof(buf0), newfp)) != NULL) {
lineno++;
if ((p = strrchr(buf0, '\n')) != NULL)
*p = 0;
if ((p = strrchr(buf0, '\r')) != NULL)
*p = 0;
if (!invert_match) {
if (do_regex == 0) {
if (( (FUNC *) (strfunc) (buf0, argv[optind])) == NULL) continue;
} else {
if ((rematch(argv[optind], buf0, reflags)) != 0) continue;
}
} else {
if (do_regex == 0) {
if (( (FUNC *) (strfunc) (buf0, argv[optind])) != NULL) continue;
} else {
if ((rematch(argv[optind], buf0, reflags)) == 0) continue;
}
}
count++;
if (do_count) continue;
if (verbose || show_filename) {
printf("%s:", ebuild);
if (verbose > 1) printf("%d:", lineno);
printf(" ");
}
printf("%s\n", buf0);
}
fclose(newfp);
if (do_count && count) {
if (verbose || show_filename) printf("%s:", ebuild);
printf("%d", count);
puts("");
}
}
}
fclose(fp);
return EXIT_SUCCESS;
}
#else /* ! APPLET_qrep */
int qgrep_main(int argc, char **argv) {
errf("%s", err_noapplet);
}
#endif /* APPLET_qgrep */
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