version 1.9, 2011/11/09 10:53:48 |
version 1.17, 2011/11/20 21:36:00 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <assert.h> |
#include <assert.h> |
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#include <ctype.h> |
#include <getopt.h> |
#include <getopt.h> |
#include <limits.h> |
#include <limits.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "apropos.h" |
#include "apropos_db.h" |
#include "mandoc.h" |
#include "mandoc.h" |
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struct type { |
/* |
int mask; |
* FIXME: add support for manpath(1), which everybody but OpenBSD and |
const char *name; /* command-line type name */ |
* NetBSD seem to use. |
}; |
*/ |
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#define MAN_CONF_FILE "/etc/man.conf" |
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#define MAN_CONF_KEY "_whatdb" |
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static const struct type types[] = { |
/* |
{ TYPE_NAME, "name" }, |
* List of paths to be searched for manual databases. |
{ TYPE_FUNCTION, "func" }, |
*/ |
{ TYPE_UTILITY, "utility" }, |
struct manpaths { |
{ TYPE_INCLUDES, "incl" }, |
int sz; |
{ TYPE_VARIABLE, "var" }, |
char **paths; |
{ TYPE_STANDARD, "stand" }, |
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{ TYPE_AUTHOR, "auth" }, |
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{ TYPE_CONFIG, "conf" }, |
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{ TYPE_DESC, "desc" }, |
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{ TYPE_XREF, "xref" }, |
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{ TYPE_PATH, "path" }, |
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{ TYPE_ENV, "env" }, |
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{ TYPE_ERR, "err" }, |
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{ INT_MAX, "all" }, |
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{ 0, NULL } |
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}; |
}; |
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static int cmp(const void *, const void *); |
static int cmp(const void *, const void *); |
static void list(struct rec *, size_t, void *); |
static void list(struct res *, size_t, void *); |
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static void manpath_add(struct manpaths *, const char *); |
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static void manpath_parse(struct manpaths *, char *); |
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static void manpath_parseconf(struct manpaths *); |
static void usage(void); |
static void usage(void); |
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static char *progname; |
static char *progname; |
Line 56 static char *progname; |
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Line 57 static char *progname; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int ch, i; |
int i, ch, rc; |
char *q, *v; |
struct manpaths paths; |
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size_t terms; |
struct opts opts; |
struct opts opts; |
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struct expr *e; |
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char *defpaths, *auxpaths; |
extern int optind; |
extern int optind; |
extern char *optarg; |
extern char *optarg; |
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memset(&opts, 0, sizeof(struct opts)); |
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q = NULL; |
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progname = strrchr(argv[0], '/'); |
progname = strrchr(argv[0], '/'); |
if (progname == NULL) |
if (progname == NULL) |
progname = argv[0]; |
progname = argv[0]; |
else |
else |
++progname; |
++progname; |
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while (-1 != (ch = getopt(argc, argv, "S:s:It:"))) |
memset(&paths, 0, sizeof(struct manpaths)); |
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memset(&opts, 0, sizeof(struct opts)); |
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auxpaths = defpaths = NULL; |
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e = NULL; |
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rc = 0; |
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while (-1 != (ch = getopt(argc, argv, "M:m:S:s:"))) |
switch (ch) { |
switch (ch) { |
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case ('M'): |
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defpaths = optarg; |
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break; |
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case ('m'): |
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auxpaths = optarg; |
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break; |
case ('S'): |
case ('S'): |
opts.arch = optarg; |
opts.arch = optarg; |
break; |
break; |
case ('s'): |
case ('s'): |
opts.cat = optarg; |
opts.cat = optarg; |
break; |
break; |
case ('I'): |
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opts.flags |= OPTS_INSENS; |
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break; |
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case ('t'): |
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while (NULL != (v = strsep(&optarg, ","))) { |
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if ('\0' == *v) |
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continue; |
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for (i = 0; types[i].mask; i++) { |
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if (strcmp(types[i].name, v)) |
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continue; |
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break; |
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} |
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if (0 == types[i].mask) |
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break; |
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opts.types |= types[i].mask; |
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} |
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if (NULL == v) |
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break; |
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fprintf(stderr, "%s: Bad type\n", v); |
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return(EXIT_FAILURE); |
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default: |
default: |
usage(); |
usage(); |
return(EXIT_FAILURE); |
goto out; |
} |
} |
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (0 == argc || '\0' == **argv) { |
if (0 == argc) { |
usage(); |
rc = 1; |
return(EXIT_SUCCESS); |
goto out; |
} else |
} |
q = *argv; |
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if (0 == opts.types) |
if (NULL != getenv("MANPATH")) |
opts.types = TYPE_NAME | TYPE_DESC; |
defpaths = getenv("MANPATH"); |
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/* |
if (NULL == defpaths) |
* Configure databases. |
manpath_parseconf(&paths); |
* The keyword database is a btree that allows for duplicate |
else |
* entries. |
manpath_parse(&paths, defpaths); |
* The index database is a recno. |
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*/ |
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apropos_search(&opts, q, NULL, list); |
manpath_parse(&paths, auxpaths); |
return(EXIT_SUCCESS); |
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if (NULL == (e = exprcomp(argc, argv, &terms))) { |
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fprintf(stderr, "%s: Bad expression\n", progname); |
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goto out; |
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} |
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rc = apropos_search |
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(paths.sz, paths.paths, |
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&opts, e, terms, NULL, list); |
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if (0 == rc) |
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fprintf(stderr, "%s: Error reading " |
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"manual database\n", progname); |
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out: |
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for (i = 0; i < paths.sz; i++) |
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free(paths.paths[i]); |
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free(paths.paths); |
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exprfree(e); |
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return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
} |
} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static void |
static void |
list(struct rec *res, size_t sz, void *arg) |
list(struct res *res, size_t sz, void *arg) |
{ |
{ |
int i; |
int i; |
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qsort(res, sz, sizeof(struct rec), cmp); |
qsort(res, sz, sizeof(struct res), cmp); |
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for (i = 0; i < (int)sz; i++) |
for (i = 0; i < (int)sz; i++) |
printf("%s(%s%s%s) - %s\n", res[i].title, |
printf("%s(%s%s%s) - %s\n", res[i].title, |
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cmp(const void *p1, const void *p2) |
cmp(const void *p1, const void *p2) |
{ |
{ |
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return(strcmp(((const struct rec *)p1)->title, |
return(strcmp(((const struct res *)p1)->title, |
((const struct rec *)p2)->title)); |
((const struct res *)p2)->title)); |
} |
} |
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static void |
static void |
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{ |
{ |
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fprintf(stderr, "usage: %s " |
fprintf(stderr, "usage: %s " |
"[-I] " |
"[-M dirs] " |
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"[-m dirs] " |
"[-S arch] " |
"[-S arch] " |
"[-s section] " |
"[-s section] " |
"[-t type[,...]] " |
"expression...\n", progname); |
"key\n", progname); |
} |
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/* |
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* Parse a FULL pathname from a colon-separated list of arrays. |
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*/ |
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static void |
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manpath_parse(struct manpaths *dirs, char *path) |
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{ |
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char *dir; |
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if (NULL == path) |
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return; |
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for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) |
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manpath_add(dirs, dir); |
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} |
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/* |
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* Add a directory to the array, ignoring bad directories. |
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* Grow the array one-by-one for simplicity's sake. |
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*/ |
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static void |
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manpath_add(struct manpaths *dirs, const char *dir) |
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{ |
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char buf[PATH_MAX]; |
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char *cp; |
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int i; |
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if (NULL == (cp = realpath(dir, buf))) |
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return; |
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for (i = 0; i < dirs->sz; i++) |
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if (0 == strcmp(dirs->paths[i], dir)) |
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return; |
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dirs->paths = mandoc_realloc |
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(dirs->paths, |
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((size_t)dirs->sz + 1) * sizeof(char *)); |
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dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
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} |
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static void |
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manpath_parseconf(struct manpaths *dirs) |
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{ |
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FILE *stream; |
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#ifdef USE_MANPATH |
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char *buf; |
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size_t sz, bsz; |
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stream = popen("manpath", "r"); |
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if (NULL == stream) |
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return; |
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buf = NULL; |
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bsz = 0; |
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do { |
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buf = mandoc_realloc(buf, bsz + 1024); |
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sz = fread(buf + (int)bsz, 1, 1024, stream); |
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bsz += sz; |
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} while (sz > 0); |
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assert(bsz && '\n' == buf[bsz - 1]); |
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buf[bsz - 1] = '\0'; |
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manpath_parse(dirs, buf); |
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free(buf); |
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pclose(stream); |
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#else |
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char *p, *q; |
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size_t len, keysz; |
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keysz = strlen(MAN_CONF_KEY); |
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assert(keysz > 0); |
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if (NULL == (stream = fopen(MAN_CONF_FILE, "r"))) |
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return; |
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while (NULL != (p = fgetln(stream, &len))) { |
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if (0 == len || '\n' == p[--len]) |
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break; |
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p[len] = '\0'; |
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while (isspace((unsigned char)*p)) |
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p++; |
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if (strncmp(MAN_CONF_KEY, p, keysz)) |
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continue; |
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p += keysz; |
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while (isspace(*p)) |
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p++; |
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if ('\0' == *p) |
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continue; |
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if (NULL == (q = strrchr(p, '/'))) |
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continue; |
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*q = '\0'; |
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manpath_add(dirs, p); |
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} |
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fclose(stream); |
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#endif |
} |
} |