16a17
> #include "unistd.h"
23a25,88
> // Lookup the closest ".cvsserver" file in the hierarchy and return it's first
> // line.  If not found or _any_ error occurred, just return NULL and at least
> // we know that we tried.
> static char*
> lookup_cvsserver () 
> {
>     char cwd[256];
>     static char buf[256];
>     char* server = NULL;
> 
>     if (!getcwd(cwd, sizeof(cwd)))
>         // in case of error, give up
>         return NULL;
> 
>     // we'll take care to break it later
>     while (1) {
>         FILE *f = fopen(".cvsserver", "r");
>         if (f) {
>             // we have it! ;-)
>             int len;
>             char *res = fgets(buf, sizeof(buf), f);
>             fclose(f);
>             if (!res)
>                 // forget it
>                 break;
>             len = strlen(buf);
>             if (buf[len-1] == '\n')
>                 buf[len-1] = '\0';
>             server = buf;
>             // finished
>             break;
>         } else {
>             // what options do we have?
>             // 1. examine if there is a CVS directory in the current directory.
>             // (this is kind of dirty but it'll work)
>             DIR* dir = opendir("CVS");
> 
>             if (!dir)
>                 // no accessible CVS directory, we'd better stop right here.
>                 break;
> 
>             closedir(dir);
> 
>             // are we in root?
>             if (!getcwd(buf, sizeof(buf)))
>                 // in case of error, give up
>                 break;
> 
>             if (0 == strcmp(buf, "/"))
>                 // reached root, give up
>                 break;
> 
>             // none of the above?  then go up
>             if (chdir("..") != 0)
>                 // error, give up
>                 break;
>         }
>     }
> 
>     // get back to the originating directory
>     chdir(cwd);
>     return server;
> }
> 
79,80c144,145
<     if (!cvs_server)
< 	cvs_server = "cvs";
---
>     if (!cvs_server && !(cvs_server = lookup_cvsserver()))
>         cvs_server = "cvs";
137,138c202,203
<     if (!cvs_server)
< 	cvs_server = "cvs";
---
>     if (!cvs_server && !(cvs_server = lookup_cvsserver()))
>         cvs_server = "cvs";