FILE *open_pager(void)
{
FILE *outfile = 0;
const char *pager = ss_safe_getenv("DEBUGFS_PAGER");
char buf[80];
signal(SIGPIPE, SIG_IGN);
if (!isatty(1))
return stdout;
if (!pager)
pager = ss_safe_getenv("PAGER");
if (!pager)
pager = find_pager(buf);
if (!pager ||
(strcmp(pager, "__none__") == 0) ||
((outfile = popen(pager, "w")) == 0))
return stdout;
return outfile;
}
void ss_get_readline(int sci_idx)
{
#ifdef HAVE_DLOPEN
void *handle = NULL;
ss_data *info = ss_info(sci_idx);
const char **t, *libpath = 0;
char *tmp, *cp, *next;
char **(**completion_func)(const char *, int, int);
if (info->readline_handle)
return;
libpath = ss_safe_getenv("SS_READLINE_PATH");
if (!libpath)
libpath = DEFAULT_LIBPATH;
if (*libpath == 0 || !strcmp(libpath, "none"))
return;
tmp = malloc(strlen(libpath)+1);
if (!tmp)
return;
strcpy(tmp, libpath);
for (cp = tmp; cp; cp = next) {
next = strchr(cp, ':');
if (next)
*next++ = 0;
if (*cp == 0)
continue;
if ((handle = dlopen(cp, RTLD_NOW))) {
/* printf("Using %s for readline library\n", cp); */
break;
}
}
free(tmp);
if (!handle)
return;
info->readline_handle = handle;
info->readline = (char *(*)(const char *))
dlsym(handle, "readline");
info->add_history = (void (*)(const char *))
dlsym(handle, "add_history");
info->redisplay = (void (*)(void))
dlsym(handle, "rl_forced_update_display");
info->rl_completion_matches = (char **(*)(const char *,
char *(*)(const char *, int)))
dlsym(handle, "rl_completion_matches");
if ((t = dlsym(handle, "rl_readline_name")) != NULL)
*t = info->subsystem_name;
if ((completion_func =
dlsym(handle, "rl_attempted_completion_function")) != NULL)
*completion_func = ss_rl_completion;
info->readline_shutdown = ss_release_readline;
#endif
}
/*
* This function takes a __u32 time value and converts it to a string,
* using ctime
*/
char *time_to_string(__u32 cl)
{
static int do_gmt = -1;
time_t t = (time_t) cl;
const char *tz;
if (do_gmt == -1) {
/* The diet libc doesn't respect the TZ environemnt variable */
tz = ss_safe_getenv("TZ");
if (!tz)
tz = "";
do_gmt = !strcmp(tz, "GMT") | !strcmp(tz, "GMT0");
}
return asctime((do_gmt) ? gmtime(&t) : localtime(&t));
}