version 1.16, 2011/11/20 16:29:50 |
version 1.20, 2011/11/27 18:54:01 |
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#include <assert.h> |
#include <assert.h> |
#include <getopt.h> |
#include <getopt.h> |
#include <limits.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "apropos_db.h" |
#include "apropos_db.h" |
#include "mandoc.h" |
#include "mandoc.h" |
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#include "manpath.h" |
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/* |
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* List of paths to be searched for manual databases. |
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*/ |
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struct manpaths { |
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int sz; |
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char **paths; |
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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 res *, size_t, void *); |
static void list(struct res *, size_t, void *); |
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 usage(void); |
static void usage(void); |
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static char *progname; |
static char *progname; |
Line 48 static char *progname; |
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Line 38 static char *progname; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int i, ch, rc; |
int ch, rc, whatis; |
struct manpaths paths; |
struct manpaths paths; |
size_t terms; |
size_t terms; |
struct opts opts; |
struct opts opts; |
struct expr *e; |
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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Line 62 main(int argc, char *argv[]) |
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Line 53 main(int argc, char *argv[]) |
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else |
else |
++progname; |
++progname; |
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whatis = 0 == strcmp(progname, "whatis"); |
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memset(&paths, 0, sizeof(struct manpaths)); |
memset(&paths, 0, sizeof(struct manpaths)); |
memset(&opts, 0, sizeof(struct opts)); |
memset(&opts, 0, sizeof(struct opts)); |
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auxpaths = defpaths = NULL; |
e = NULL; |
e = NULL; |
rc = 0; |
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while (-1 != (ch = getopt(argc, argv, "m:S:s:"))) |
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; |
case ('m'): |
case ('m'): |
manpath_parse(&paths, optarg); |
auxpaths = optarg; |
break; |
break; |
case ('S'): |
case ('S'): |
opts.arch = optarg; |
opts.arch = optarg; |
Line 81 main(int argc, char *argv[]) |
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Line 77 main(int argc, char *argv[]) |
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break; |
break; |
default: |
default: |
usage(); |
usage(); |
goto out; |
return(EXIT_FAILURE); |
} |
} |
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (0 == argc) { |
if (0 == argc) |
rc = 1; |
return(EXIT_SUCCESS); |
goto out; |
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} |
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/* |
rc = 0; |
* Let MANPATH override our default paths. |
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*/ |
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if (NULL != getenv("MANPATH")) |
manpath_parse(&paths, defpaths, auxpaths); |
manpath_add(&paths, getenv("MANPATH")); |
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else |
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manpath_add(&paths, "."); |
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if (NULL == (e = exprcomp(argc, argv, &terms))) { |
e = whatis ? termcomp(argc, argv, &terms) : |
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exprcomp(argc, argv, &terms); |
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if (NULL == e) { |
fprintf(stderr, "%s: Bad expression\n", progname); |
fprintf(stderr, "%s: Bad expression\n", progname); |
goto out; |
goto out; |
} |
} |
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rc = apropos_search |
rc = apropos_search |
(paths.sz, paths.paths, |
(paths.sz, paths.paths, |
&opts, e, terms, NULL, list); |
&opts, e, terms, NULL, list); |
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if (0 == rc) |
if (0 == rc) |
fprintf(stderr, "%s: Error reading " |
fprintf(stderr, "%s: Error reading " |
"manual database\n", progname); |
"manual database\n", progname); |
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out: |
out: |
for (i = 0; i < paths.sz; i++) |
manpath_free(&paths); |
free(paths.paths[i]); |
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free(paths.paths); |
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exprfree(e); |
exprfree(e); |
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return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
Line 133 list(struct res *res, size_t sz, void *arg) |
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Line 122 list(struct res *res, size_t sz, void *arg) |
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qsort(res, sz, sizeof(struct res), 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, |
res[i].cat, |
res[i].cat, |
*res[i].arch ? "/" : "", |
*res[i].arch ? "/" : "", |
*res[i].arch ? res[i].arch : "", |
*res[i].arch ? res[i].arch : "", |
res[i].desc); |
res[i].desc); |
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{ |
{ |
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fprintf(stderr, "usage: %s " |
fprintf(stderr, "usage: %s " |
"[-m dirs] " |
"[-M path] " |
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"[-m path] " |
"[-S arch] " |
"[-S arch] " |
"[-s section] " |
"[-s section] " |
"expression...\n", progname); |
"expression...\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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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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if (NULL == (cp = realpath(dir, buf))) |
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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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} |
} |