293 lines
6.7 KiB
C
293 lines
6.7 KiB
C
/*
|
|
* Copyright (c) 2004 Peter Postma <peter@pointless.nl>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* pancake@phreaker.net ** changes 2004/09/14
|
|
*
|
|
* -C search in comments
|
|
* -c case sensitive
|
|
* -q quiet, don't output comment
|
|
* -x exact matches
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#ifdef NEED_LIBNBCOMPAT
|
|
#include <nbcompat.h>
|
|
#else
|
|
#include <err.h>
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
#include <dirent.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define PKGSRCDIR "/usr/pkgsrc"
|
|
|
|
static const char * const skip[] = {
|
|
".", "..", "CVS", "bootstrap", "doc", "distfiles",
|
|
"licenses", "mk", "packages", NULL
|
|
};
|
|
|
|
static void pkgfind(const char *, const char *, int);
|
|
static void showpkg(const char *, const char *, const char *);
|
|
static int getstring(const char *, const char *, char **);
|
|
static int checkskip(const struct dirent *);
|
|
static int partialmatch(const char *, const char *);
|
|
static int exactmatch(const char *, const char *);
|
|
static void usage(void);
|
|
|
|
static int (*match)(const char *, const char *);
|
|
|
|
static const char *search;
|
|
static int cflag, qflag;
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
const char *path;
|
|
int ch, count = 0;
|
|
|
|
setprogname("pkgfind");
|
|
|
|
/* default matches are partial matches */
|
|
match = partialmatch;
|
|
/* no special searches by default */
|
|
search = NULL;
|
|
|
|
cflag = qflag = 0;
|
|
|
|
while ((ch = getopt(argc, argv, "Ccn:Mqx")) != -1) {
|
|
switch (ch) {
|
|
case 'C': /* search in comments */
|
|
search = "COMMENT";
|
|
break;
|
|
case 'c': /* case sensitive */
|
|
cflag = 1;
|
|
break;
|
|
case 'n':
|
|
count = atoi(optarg);
|
|
break;
|
|
case 'M': /* search for maintainer */
|
|
search = "MAINTAINER";
|
|
break;
|
|
case 'q': /* quiet, don't output comment */
|
|
qflag = 1;
|
|
break;
|
|
case 'x': /* exact matches */
|
|
match = exactmatch;
|
|
break;
|
|
default:
|
|
usage();
|
|
/* NOTREACHED */
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc < 1)
|
|
usage();
|
|
|
|
if ((path = getenv("PKGSRCDIR")) == NULL)
|
|
path = PKGSRCDIR;
|
|
|
|
for (; *argv != NULL; ++argv)
|
|
pkgfind(path, *argv, count);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
pkgfind(const char *path, const char *pkg, int count)
|
|
{
|
|
struct dirent **cat, **list = NULL;
|
|
int ncat, nlist, i, j;
|
|
char tmp[PATH_MAX];
|
|
char *text = NULL;
|
|
struct stat sb;
|
|
|
|
if ((ncat = scandir(path, &cat, checkskip, alphasort)) < 0)
|
|
err(EXIT_FAILURE, "%s", path);
|
|
|
|
for (i = 0; i < ncat; i++) {
|
|
if (snprintf(tmp, sizeof(tmp), "%s/%s", path, cat[i]->d_name)
|
|
>= sizeof(tmp)) {
|
|
warnx("filename too long");
|
|
continue;
|
|
}
|
|
if (stat(tmp, &sb) < 0 || !S_ISDIR(sb.st_mode))
|
|
continue;
|
|
if ((nlist = scandir(tmp, &list, checkskip, alphasort)) < 0) {
|
|
warn("%s", tmp);
|
|
continue;
|
|
}
|
|
for (j = 0; j < nlist; j++) {
|
|
if (snprintf(tmp, sizeof(tmp), "%s/%s/%s", path,
|
|
cat[i]->d_name, list[j]->d_name) >= sizeof(tmp)) {
|
|
warnx("filename too long");
|
|
continue;
|
|
}
|
|
if (stat(tmp, &sb) < 0 || !S_ISDIR(sb.st_mode))
|
|
continue;
|
|
if (search != NULL) {
|
|
(void)strncat(tmp, "/Makefile", sizeof(tmp));
|
|
if (getstring(tmp, search, &text) == 0) {
|
|
(void)strncat(tmp, ".common",
|
|
sizeof(tmp));
|
|
if (getstring(tmp, search, &text) == 0)
|
|
continue;
|
|
}
|
|
} else {
|
|
text = list[j]->d_name;
|
|
}
|
|
if ((*match)(text, pkg)) {
|
|
showpkg(path, cat[i]->d_name, list[j]->d_name);
|
|
if (count != 0 && --count < 1) {
|
|
i = ncat;
|
|
break;
|
|
}
|
|
}
|
|
free(list[j]);
|
|
}
|
|
free(cat[i]);
|
|
}
|
|
free(list);
|
|
free(cat);
|
|
}
|
|
|
|
static void
|
|
showpkg(const char *path, const char *cat, const char *pkg)
|
|
{
|
|
char *mk, *comment = NULL;
|
|
size_t len;
|
|
|
|
len = strlen(path) + strlen(cat) + strlen(pkg) +
|
|
strlen("Makefile") + 3 + 1;
|
|
|
|
if (!qflag) {
|
|
if ((mk = malloc(len)) == NULL)
|
|
err(EXIT_FAILURE, "malloc");
|
|
(void)snprintf(mk, len, "%s/%s/%s/Makefile", path, cat, pkg);
|
|
|
|
if (getstring(mk, "COMMENT", &comment) == 0) {
|
|
if ((mk = realloc(mk, len + 7)) == NULL)
|
|
err(EXIT_FAILURE, "malloc");
|
|
(void)snprintf(mk, len+7, "%s/%s/%s/Makefile.common",
|
|
path, cat, pkg);
|
|
(void)getstring(mk, "COMMENT", &comment);
|
|
}
|
|
free(mk);
|
|
}
|
|
|
|
if (comment != NULL)
|
|
(void)printf("%s/%s: %s\n", cat, pkg, comment);
|
|
else
|
|
(void)printf("%s/%s\n", cat, pkg);
|
|
}
|
|
|
|
static int
|
|
getstring(const char *file, const char *string, char **nstring)
|
|
{
|
|
char line[120], *p;
|
|
FILE *fp;
|
|
|
|
if ((fp = fopen(file, "r")) == NULL)
|
|
return 0;
|
|
while (fgets(line, sizeof(line), fp) != NULL) {
|
|
if ((p = strchr(line, '\n')) == NULL)
|
|
continue;
|
|
*p = '\0';
|
|
if (strncmp(line, string, strlen(string)) != 0)
|
|
continue;
|
|
p = line + strlen(string);
|
|
if (*++p == '=')
|
|
p++;
|
|
while (*p != '\0' && isspace((unsigned char)*p))
|
|
p++;
|
|
if (*p == '\0')
|
|
continue;
|
|
*nstring = strdup(p);
|
|
(void)fclose(fp);
|
|
return 1;
|
|
}
|
|
(void)fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
checkskip(const struct dirent *dp)
|
|
{
|
|
const char * const *p;
|
|
|
|
for (p = skip; *p != NULL; p++)
|
|
if (strcmp(dp->d_name, *p) == 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
partialmatch(const char *s, const char *find)
|
|
{
|
|
size_t len, n;
|
|
|
|
len = strlen(find);
|
|
n = strlen(s) - len;
|
|
|
|
do {
|
|
if (cflag) {
|
|
if (strncmp(s, find, len) == 0)
|
|
return 1;
|
|
} else {
|
|
if (strncasecmp(s, find, len) == 0)
|
|
return 1;
|
|
}
|
|
} while (*++s != '\0' && n-- > 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
exactmatch(const char *s, const char *find)
|
|
{
|
|
if (cflag)
|
|
return (strcmp(s, find) == 0);
|
|
else
|
|
return (strcasecmp(s, find) == 0);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr, "Usage: %s [-CcMqx] [-n number] keyword [...]\n",
|
|
getprogname());
|
|
exit(EXIT_FAILURE);
|
|
}
|