version 1.15, 2011/11/20 15:43:14 |
version 1.17, 2011/11/20 21:36:00 |
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#endif |
#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> |
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#include "mandoc.h" |
#include "mandoc.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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/* |
* List of paths to be searched for manual databases. |
* List of paths to be searched for manual databases. |
*/ |
*/ |
struct manpaths { |
struct manpaths { |
Line 39 struct manpaths { |
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Line 47 struct manpaths { |
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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 int manpath_add(struct manpaths *, const char *); |
static void manpath_add(struct manpaths *, const char *); |
static int manpath_parse(struct manpaths *, char *); |
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 53 main(int argc, char *argv[]) |
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Line 62 main(int argc, char *argv[]) |
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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 65 main(int argc, char *argv[]) |
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Line 75 main(int argc, char *argv[]) |
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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; |
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'): |
if ( ! manpath_parse(&paths, optarg)) |
auxpaths = optarg; |
goto out; |
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break; |
break; |
case ('S'): |
case ('S'): |
opts.arch = optarg; |
opts.arch = optarg; |
Line 93 main(int argc, char *argv[]) |
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Line 106 main(int argc, char *argv[]) |
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goto out; |
goto out; |
} |
} |
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if (0 == paths.sz && ! manpath_add(&paths, ".")) |
if (NULL != getenv("MANPATH")) |
goto out; |
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))) { |
/* FIXME: be more specific about this. */ |
fprintf(stderr, "%s: Bad expression\n", progname); |
fprintf(stderr, "Bad expression\n"); |
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goto out; |
goto out; |
} |
} |
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Line 106 main(int argc, char *argv[]) |
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Line 125 main(int argc, char *argv[]) |
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(paths.sz, paths.paths, |
(paths.sz, paths.paths, |
&opts, e, terms, NULL, list); |
&opts, e, terms, NULL, list); |
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/* FIXME: report an error based on ch. */ |
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: |
out: |
for (i = 0; i < paths.sz; i++) |
for (i = 0; i < paths.sz; i++) |
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{ |
{ |
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fprintf(stderr, "usage: %s " |
fprintf(stderr, "usage: %s " |
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"[-M dirs] " |
"[-m dirs] " |
"[-m dirs] " |
"[-S arch] " |
"[-S arch] " |
"[-s section] " |
"[-s section] " |
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/* |
/* |
* Parse a FULL pathname from a colon-separated list of arrays. |
* Parse a FULL pathname from a colon-separated list of arrays. |
*/ |
*/ |
static int |
static void |
manpath_parse(struct manpaths *dirs, char *path) |
manpath_parse(struct manpaths *dirs, char *path) |
{ |
{ |
char *dir; |
char *dir; |
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for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) |
if (NULL == path) |
if ( ! manpath_add(dirs, dir)) |
return; |
return(0); |
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return(1); |
for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) |
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manpath_add(dirs, dir); |
} |
} |
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/* |
/* |
* Add a directory to the array. |
* Add a directory to the array, ignoring bad directories. |
* Grow the array one-by-one for simplicity's sake. |
* Grow the array one-by-one for simplicity's sake. |
* Return 0 if the directory is not a real path. |
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*/ |
*/ |
static int |
static void |
manpath_add(struct manpaths *dirs, const char *dir) |
manpath_add(struct manpaths *dirs, const char *dir) |
{ |
{ |
char buf[PATH_MAX]; |
char buf[PATH_MAX]; |
char *cp; |
char *cp; |
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int i; |
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if (NULL == (cp = realpath(dir, buf))) { |
if (NULL == (cp = realpath(dir, buf))) |
fprintf(stderr, "%s: Invalid path\n", dir); |
return; |
return(0); |
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} |
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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 |
dirs->paths = mandoc_realloc |
(dirs->paths, |
(dirs->paths, |
((size_t)dirs->sz + 1) * sizeof(char *)); |
((size_t)dirs->sz + 1) * sizeof(char *)); |
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dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
return(1); |
} |
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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 |
} |
} |