version 1.3, 2011/11/24 10:44:56 |
version 1.12, 2013/11/21 01:49:18 |
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#define MAN_CONF_KEY "_whatdb" |
#define MAN_CONF_KEY "_whatdb" |
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static void manpath_add(struct manpaths *, const char *); |
static void manpath_add(struct manpaths *, const char *); |
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static void manpath_parseline(struct manpaths *, char *); |
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void |
void |
manpath_parse(struct manpaths *dirs, char *defp, char *auxp) |
manpath_parse(struct manpaths *dirs, const char *file, |
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char *defp, char *auxp) |
{ |
{ |
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#ifdef USE_MANPATH |
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char cmd[(PATH_MAX * 3) + 20]; |
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FILE *stream; |
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char *buf; |
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size_t sz, bsz; |
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if (NULL != getenv("MANPATH")) |
strlcpy(cmd, "manpath", sizeof(cmd)); |
defp = getenv("MANPATH"); |
if (file) { |
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strlcat(cmd, " -C ", sizeof(cmd)); |
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strlcat(cmd, file, sizeof(cmd)); |
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} |
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if (auxp) { |
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strlcat(cmd, " -m ", sizeof(cmd)); |
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strlcat(cmd, auxp, sizeof(cmd)); |
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} |
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if (defp) { |
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strlcat(cmd, " -M ", sizeof(cmd)); |
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strlcat(cmd, defp, sizeof(cmd)); |
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} |
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if (NULL == defp) |
/* Open manpath(1). Ignore errors. */ |
manpath_parseconf(dirs); |
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else |
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manpath_parseline(dirs, defp); |
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stream = popen(cmd, "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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/* Read in as much output as we can. */ |
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do { |
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buf = mandoc_realloc(buf, bsz + 1024); |
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sz = fread(buf + bsz, 1, 1024, stream); |
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bsz += sz; |
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} while (sz > 0); |
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if ( ! ferror(stream) && feof(stream) && |
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bsz && '\n' == buf[bsz - 1]) { |
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buf[bsz - 1] = '\0'; |
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manpath_parseline(dirs, buf); |
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} |
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free(buf); |
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pclose(stream); |
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#else |
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char *insert; |
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/* Always prepend -m. */ |
manpath_parseline(dirs, auxp); |
manpath_parseline(dirs, auxp); |
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/* If -M is given, it overrides everything else. */ |
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if (NULL != defp) { |
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manpath_parseline(dirs, defp); |
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return; |
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} |
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/* MANPATH and man.conf(5) cooperate. */ |
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defp = getenv("MANPATH"); |
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if (NULL == file) |
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file = MAN_CONF_FILE; |
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/* No MANPATH; use man.conf(5) only. */ |
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if (NULL == defp || '\0' == defp[0]) { |
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manpath_manconf(dirs, file); |
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return; |
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} |
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/* Prepend man.conf(5) to MANPATH. */ |
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if (':' == defp[0]) { |
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manpath_manconf(dirs, file); |
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manpath_parseline(dirs, defp); |
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return; |
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} |
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/* Append man.conf(5) to MANPATH. */ |
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if (':' == defp[strlen(defp) - 1]) { |
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manpath_parseline(dirs, defp); |
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manpath_manconf(dirs, file); |
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return; |
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} |
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/* Insert man.conf(5) into MANPATH. */ |
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insert = strstr(defp, "::"); |
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if (NULL != insert) { |
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*insert++ = '\0'; |
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manpath_parseline(dirs, defp); |
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manpath_manconf(dirs, file); |
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manpath_parseline(dirs, insert + 1); |
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return; |
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} |
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/* MANPATH overrides man.conf(5) completely. */ |
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manpath_parseline(dirs, defp); |
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#endif |
} |
} |
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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. |
*/ |
*/ |
void |
static void |
manpath_parseline(struct manpaths *dirs, char *path) |
manpath_parseline(struct manpaths *dirs, char *path) |
{ |
{ |
char *dir; |
char *dir; |
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Line 69 manpath_parseline(struct manpaths *dirs, char *path) |
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Line 156 manpath_parseline(struct manpaths *dirs, char *path) |
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* Grow the array one-by-one for simplicity's sake. |
* Grow the array one-by-one for simplicity's sake. |
*/ |
*/ |
static void |
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; |
int i; |
size_t i; |
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if (NULL == (cp = realpath(dir, buf))) |
if (NULL == (cp = realpath(dir, buf))) |
return; |
return; |
Line 83 manpath_add(struct manpaths *dirs, const char *dir) |
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Line 170 manpath_add(struct manpaths *dirs, const char *dir) |
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return; |
return; |
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dirs->paths = mandoc_realloc |
dirs->paths = mandoc_realloc |
(dirs->paths, |
(dirs->paths, |
((size_t)dirs->sz + 1) * sizeof(char *)); |
(dirs->sz + 1) * sizeof(char *)); |
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dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
} |
} |
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void |
void |
manpath_parseconf(struct manpaths *dirs) |
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{ |
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#ifdef USE_MANPATH |
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FILE *stream; |
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char *buf; |
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size_t sz, bsz; |
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/* Open manpath(1). Ignore errors. */ |
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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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/* Read in as much output as we can. */ |
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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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if ( ! ferror(stream) && feof(stream) && |
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bsz && '\n' == buf[bsz - 1]) { |
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buf[bsz - 1] = '\0'; |
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manpath_parseline(dirs, buf); |
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} |
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free(buf); |
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pclose(stream); |
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#else |
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manpath_manconf(MAN_CONF_FILE, dirs); |
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#endif |
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} |
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void |
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manpath_free(struct manpaths *p) |
manpath_free(struct manpaths *p) |
{ |
{ |
int i; |
size_t i; |
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for (i = 0; i < p->sz; i++) |
for (i = 0; i < p->sz; i++) |
free(p->paths[i]); |
free(p->paths[i]); |
Line 139 manpath_free(struct manpaths *p) |
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Line 188 manpath_free(struct manpaths *p) |
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} |
} |
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void |
void |
manpath_manconf(const char *file, struct manpaths *dirs) |
manpath_manconf(struct manpaths *dirs, const char *file) |
{ |
{ |
FILE *stream; |
FILE *stream; |
char *p, *q; |
char *p, *q; |
size_t len, keysz; |
size_t len, keysz; |
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keysz = strlen(MAN_CONF_KEY); |
keysz = strlen(MAN_CONF_KEY); |
assert(keysz > 0); |
assert(keysz > 0); |
Line 160 manpath_manconf(const char *file, struct manpaths *dir |
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Line 209 manpath_manconf(const char *file, struct manpaths *dir |
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if (strncmp(MAN_CONF_KEY, p, keysz)) |
if (strncmp(MAN_CONF_KEY, p, keysz)) |
continue; |
continue; |
p += keysz; |
p += keysz; |
while (isspace(*p)) |
while (isspace((unsigned char)*p)) |
p++; |
p++; |
if ('\0' == *p) |
if ('\0' == *p) |
continue; |
continue; |