diff options
| -rw-r--r-- | miscutils/man.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/miscutils/man.c b/miscutils/man.c index 20172f6b2..509ae96bd 100644 --- a/miscutils/man.c +++ b/miscutils/man.c @@ -23,6 +23,10 @@ echo ".pl \n(nlu+10" */ +/* Trick gcc to reuse "cat" string. */ +#define STR_catNULmanNUL "cat\0man" +#define STR_cat "cat\0man" + static int run_pipe(const char *unpacker, const char *pager, char *man_filename, int cat) { char *cmd; @@ -61,7 +65,7 @@ static int show_manpage(const char *pager, char *man_filename, int cat) return 1; man_filename[len - 3] = '\0'; /* ".gz" -> "" */ - if (run_pipe("cat", pager, man_filename, cat)) + if (run_pipe(STR_cat, pager, man_filename, cat)) return 1; return 0; @@ -147,28 +151,22 @@ int man_main(int argc ATTRIBUTE_UNUSED, char **argv) char *next_sect = strchrnul(cur_sect, ':'); int sect_len = next_sect - cur_sect; char *man_filename; - int found_here; - - /* Search for cat page first */ - man_filename = xasprintf("%.*s/%s%.*s/%s.%.*s" ".bz2", - path_len, cur_path, - "cat", - sect_len, cur_sect, - *argv, - sect_len, cur_sect); - found_here = show_manpage(pager, man_filename, 1); - free(man_filename); - if (!found_here) { + int cat0man1 = 0; + + /* Search for cat, then man page */ + while (cat0man1 < 2) { + int found_here; man_filename = xasprintf("%.*s/%s%.*s/%s.%.*s" ".bz2", - path_len, cur_path, - "man", - sect_len, cur_sect, - *argv, - sect_len, cur_sect); - found_here = show_manpage(pager, man_filename, 0); + path_len, cur_path, + STR_catNULmanNUL + cat0man1 * 4, + sect_len, cur_sect, + *argv, + sect_len, cur_sect); + found_here = show_manpage(pager, man_filename, cat0man1); + found |= found_here; + cat0man1 += found_here + 1; free(man_filename); } - found |= found_here; if (found && !(opt & OPT_a)) goto next_arg; |