version 1.28, 2012/03/24 01:46:25 |
version 1.38, 2014/04/11 15:46:52 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2013 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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#include <assert.h> |
#include <assert.h> |
#include <getopt.h> |
#include <getopt.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <unistd.h> |
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#include "apropos_db.h" |
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#include "mandoc.h" |
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#include "manpath.h" |
#include "manpath.h" |
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#include "mansearch.h" |
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#define SINGLETON(_res, _sz) \ |
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((_sz) && (_res)[0].matched && \ |
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(1 == (_sz) || 0 == (_res)[1].matched)) |
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#define EMPTYSET(_res, _sz) \ |
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((0 == (_sz)) || 0 == (_res)[0].matched) |
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static int cmp(const void *, const void *); |
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static void list(struct res *, size_t, void *); |
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static void usage(void); |
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static char *progname; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int ch, rc, whatis, usecat; |
int ch, whatis; |
struct res *res; |
struct mansearch search; |
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size_t i, sz; |
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struct manpage *res; |
struct manpaths paths; |
struct manpaths paths; |
const char *prog; |
char *defpaths, *auxpaths; |
pid_t pid; |
char *conf_file; |
char path[PATH_MAX]; |
char *progname; |
int fds[2]; |
const char *outkey; |
size_t terms, ressz, sz; |
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struct opts opts; |
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struct expr *e; |
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char *defpaths, *auxpaths, *conf_file, *cp; |
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extern int optind; |
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extern char *optarg; |
extern char *optarg; |
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extern int optind; |
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progname = strrchr(argv[0], '/'); |
progname = strrchr(argv[0], '/'); |
if (progname == NULL) |
if (progname == NULL) |
Line 65 main(int argc, char *argv[]) |
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Line 52 main(int argc, char *argv[]) |
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else |
else |
++progname; |
++progname; |
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whatis = 0 == strncmp(progname, "whatis", 6); |
whatis = (0 == strncmp(progname, "whatis", 6)); |
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memset(&paths, 0, sizeof(struct manpaths)); |
memset(&paths, 0, sizeof(struct manpaths)); |
memset(&opts, 0, sizeof(struct opts)); |
memset(&search, 0, sizeof(struct mansearch)); |
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usecat = 0; |
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ressz = 0; |
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res = NULL; |
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auxpaths = defpaths = NULL; |
auxpaths = defpaths = NULL; |
conf_file = NULL; |
conf_file = NULL; |
e = NULL; |
outkey = "Nd"; |
path[0] = '\0'; |
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while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:"))) |
while (-1 != (ch = getopt(argc, argv, "C:M:m:O:S:s:"))) |
switch (ch) { |
switch (ch) { |
case ('C'): |
case ('C'): |
conf_file = optarg; |
conf_file = optarg; |
Line 89 main(int argc, char *argv[]) |
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Line 72 main(int argc, char *argv[]) |
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case ('m'): |
case ('m'): |
auxpaths = optarg; |
auxpaths = optarg; |
break; |
break; |
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case ('O'): |
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outkey = optarg; |
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break; |
case ('S'): |
case ('S'): |
opts.arch = optarg; |
search.arch = optarg; |
break; |
break; |
case ('s'): |
case ('s'): |
opts.cat = optarg; |
search.sec = optarg; |
break; |
break; |
default: |
default: |
usage(); |
goto usage; |
return(EXIT_FAILURE); |
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} |
} |
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (0 == argc) |
if (0 == argc) |
return(EXIT_SUCCESS); |
goto usage; |
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rc = 0; |
search.deftype = whatis ? TYPE_Nm : TYPE_Nm | TYPE_Nd; |
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search.flags = whatis ? MANSEARCH_WHATIS : 0; |
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manpath_parse(&paths, conf_file, defpaths, auxpaths); |
manpath_parse(&paths, conf_file, defpaths, auxpaths); |
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mansearch_setup(1); |
e = whatis ? termcomp(argc, argv, &terms) : |
ch = mansearch(&search, &paths, argc, argv, outkey, &res, &sz); |
exprcomp(argc, argv, &terms); |
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if (NULL == e) { |
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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, &opts, |
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e, terms, NULL, &ressz, &res, list); |
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terms = 1; |
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if (0 == rc) { |
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fprintf(stderr, "%s: Bad database\n", progname); |
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goto out; |
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} else if ( ! isatty(STDOUT_FILENO) || EMPTYSET(res, ressz)) |
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goto out; |
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if ( ! SINGLETON(res, ressz)) { |
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printf("Which manpage would you like [1]? "); |
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fflush(stdout); |
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if (NULL != (cp = fgetln(stdin, &sz)) && |
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sz > 1 && '\n' == cp[--sz]) { |
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if ((ch = atoi(cp)) <= 0) |
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goto out; |
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terms = (size_t)ch; |
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} |
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} |
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if (--terms < ressz && res[terms].matched) { |
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strlcpy(path, res[terms].file, PATH_MAX); |
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usecat = RESTYPE_CAT == res[terms].type; |
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} |
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out: |
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manpath_free(&paths); |
manpath_free(&paths); |
resfree(res, ressz); |
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exprfree(e); |
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if ('\0' == path[0]) |
if (0 == ch) |
return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
goto usage; |
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if (-1 == pipe(fds)) { |
for (i = 0; i < sz; i++) { |
perror(NULL); |
printf("%s - %s\n", res[i].names, |
exit(EXIT_FAILURE); |
NULL == res[i].output ? "" : res[i].output); |
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free(res[i].file); |
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free(res[i].names); |
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free(res[i].output); |
} |
} |
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if (-1 == (pid = fork())) { |
free(res); |
perror(NULL); |
mansearch_setup(0); |
exit(EXIT_FAILURE); |
return(sz ? EXIT_SUCCESS : EXIT_FAILURE); |
} else if (pid > 0) { |
usage: |
dup2(fds[0], STDIN_FILENO); |
fprintf(stderr, "usage: %s [-C file] [-M path] [-m path] " |
close(fds[1]); |
"[-O outkey] " |
prog = NULL != getenv("MANPAGER") ? |
"[-S arch] [-s section]%s ...\n", progname, |
getenv("MANPAGER") : |
whatis ? " name" : "\n expression"); |
(NULL != getenv("PAGER") ? |
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getenv("PAGER") : "more"); |
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execlp(prog, prog, (char *)NULL); |
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perror(prog); |
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return(EXIT_FAILURE); |
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} |
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dup2(fds[1], STDOUT_FILENO); |
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close(fds[0]); |
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prog = usecat ? "cat" : "mandoc"; |
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execlp(prog, prog, path, (char *)NULL); |
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perror(prog); |
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return(EXIT_FAILURE); |
return(EXIT_FAILURE); |
} |
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/* ARGSUSED */ |
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static void |
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list(struct res *res, size_t sz, void *arg) |
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{ |
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size_t i; |
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qsort(res, sz, sizeof(struct res), cmp); |
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if (EMPTYSET(res, sz) || SINGLETON(res, sz)) |
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return; |
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if ( ! isatty(STDOUT_FILENO)) |
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for (i = 0; i < sz && res[i].matched; i++) |
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printf("%s(%s%s%s) - %.70s\n", |
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res[i].title, res[i].cat, |
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*res[i].arch ? "/" : "", |
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*res[i].arch ? res[i].arch : "", |
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res[i].desc); |
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else |
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for (i = 0; i < sz && res[i].matched; i++) |
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printf("[%zu] %s(%s%s%s) - %.70s\n", i + 1, |
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res[i].title, res[i].cat, |
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*res[i].arch ? "/" : "", |
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*res[i].arch ? res[i].arch : "", |
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res[i].desc); |
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} |
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static int |
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cmp(const void *p1, const void *p2) |
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{ |
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const struct res *r1 = p1; |
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const struct res *r2 = p2; |
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if (0 == r1->matched) |
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return(1); |
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else if (0 == r2->matched) |
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return(1); |
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return(strcasecmp(r1->title, r2->title)); |
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} |
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static void |
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usage(void) |
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{ |
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fprintf(stderr, "usage: %s " |
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"[-C file] " |
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"[-M manpath] " |
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"[-m manpath] " |
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"[-S arch] " |
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"[-s section] " |
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"expression ...\n", |
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progname); |
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} |
} |