diff options
| -rw-r--r-- | miscutils/man.c | 86 |
1 files changed, 49 insertions, 37 deletions
diff --git a/miscutils/man.c b/miscutils/man.c index 5c1fa2c..ccb57a9 100644 --- a/miscutils/man.c +++ b/miscutils/man.c @@ -147,15 +147,49 @@ static int show_manpage(const char *pager, char *man_filename, int man, int leve return run_pipe(pager, man_filename, man, level); } +static char **add_MANPATH(char **man_path_list, int *count_mp, char *path) +{ + if (path) while (*path) { + char *next_path; + char **path_element; + + next_path = strchr(path, ':'); + if (next_path) { + *next_path = '\0'; + if (next_path++ == path) /* "::"? */ + goto next; + } + /* Do we already have path? */ + path_element = man_path_list; + if (path_element) while (*path_element) { + if (strcmp(*path_element, path) == 0) + goto skip; + path_element++; + } + man_path_list = xrealloc_vector(man_path_list, 4, *count_mp); + man_path_list[*count_mp] = xstrdup(path); + (*count_mp)++; + /* man_path_list is NULL terminated */ + /* man_path_list[*count_mp] = NULL; - xrealloc_vector did it */ + skip: + if (!next_path) + break; + next: + path = next_path; + } + return man_path_list; +} + int man_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int man_main(int argc UNUSED_PARAM, char **argv) { parser_t *parser; const char *pager = ENABLE_LESS ? "less" : "more"; - char **man_path_list; char *sec_list; char *cur_path, *cur_sect; - int count_mp, cur_mp; + char **man_path_list; + int count_mp; + int cur_mp; int opt, not_found; char *token[2]; @@ -164,14 +198,20 @@ int man_main(int argc UNUSED_PARAM, char **argv) argv += optind; sec_list = xstrdup("0p:1:1p:2:3:3p:4:5:6:7:8:9"); - /* Last valid man_path_list[] is [0x10] */ + count_mp = 0; - man_path_list = xzalloc(0x11 * sizeof(man_path_list[0])); - man_path_list[0] = getenv("MANPATH"); - if (!man_path_list[0]) /* default, may be overridden by /etc/man.conf */ + man_path_list = add_MANPATH(NULL, &count_mp, + getenv("MANDATORY_MANPATH"+10) /* "MANPATH" */ + ); + if (!man_path_list) { + /* default, may be overridden by /etc/man.conf */ + man_path_list = xzalloc(2 * sizeof(man_path_list[0])); man_path_list[0] = (char*)"/usr/man"; - else - count_mp++; + /* count_mp stays 0. + * Thus, man.conf will overwrite man_path_list[0] + * if a path is defined there. + */ + } /* Parse man.conf[ig] or man_db.conf */ /* man version 1.6f uses man.config */ @@ -193,35 +233,7 @@ int man_main(int argc UNUSED_PARAM, char **argv) if (strcmp("MANDATORY_MANPATH"+10, token[0]) == 0 /* "MANPATH"? */ || strcmp("MANDATORY_MANPATH", token[0]) == 0 ) { - char *path = token[1]; - while (*path) { - char *next_path; - char **path_element; - - next_path = strchr(path, ':'); - if (next_path) { - *next_path = '\0'; - if (next_path++ == path) /* "::"? */ - goto next; - } - /* Do we already have path? */ - path_element = man_path_list; - while (*path_element) { - if (strcmp(*path_element, path) == 0) - goto skip; - path_element++; - } - man_path_list = xrealloc_vector(man_path_list, 4, count_mp); - man_path_list[count_mp] = xstrdup(path); - count_mp++; - /* man_path_list is NULL terminated */ - /*man_path_list[count_mp] = NULL; - xrealloc_vector did it */ - skip: - if (!next_path) - break; - next: - path = next_path; - } + man_path_list = add_MANPATH(man_path_list, &count_mp, token[1]); } if (strcmp("MANSECT", token[0]) == 0) { free(sec_list); |