version 1.17, 2011/11/20 21:36:00 |
version 1.18, 2011/11/23 09:50:40 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.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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* FIXME: add support for manpath(1), which everybody but OpenBSD and |
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* NetBSD seem to use. |
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*/ |
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#define MAN_CONF_FILE "/etc/man.conf" |
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#define MAN_CONF_KEY "_whatdb" |
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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 manpath_parseconf(struct manpaths *); |
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static void usage(void); |
static void usage(void); |
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static char *progname; |
static char *progname; |
Line 57 static char *progname; |
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Line 39 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; |
struct manpaths paths; |
struct manpaths paths; |
size_t terms; |
size_t terms; |
struct opts opts; |
struct opts opts; |
Line 106 main(int argc, char *argv[]) |
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Line 88 main(int argc, char *argv[]) |
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goto out; |
goto out; |
} |
} |
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if (NULL != getenv("MANPATH")) |
manpath_parse(&paths, defpaths, auxpaths); |
defpaths = getenv("MANPATH"); |
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if (NULL == defpaths) |
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manpath_parseconf(&paths); |
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else |
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manpath_parse(&paths, defpaths); |
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manpath_parse(&paths, auxpaths); |
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if (NULL == (e = exprcomp(argc, argv, &terms))) { |
if (NULL == (e = exprcomp(argc, argv, &terms))) { |
fprintf(stderr, "%s: Bad expression\n", progname); |
fprintf(stderr, "%s: Bad expression\n", progname); |
goto out; |
goto out; |
Line 130 main(int argc, char *argv[]) |
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Line 104 main(int argc, char *argv[]) |
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"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); |
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"[-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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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 |
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} |
} |