wmii/lib/libstuff/clientutil.c

59 lines
1.2 KiB
C

/* Copyright ©2009-2010 Kris Maglione <maglione.k at Gmail>
* See LICENSE file for license details.
*/
#define IXP_NO_P9_
#define IXP_P9_STRUCTS
#define CLIENTEXTERN
#include <stdlib.h>
#include <string.h>
#include <ixp.h>
#include <stuff/clientutil.h>
#include <stuff/util.h>
char*
readctl(char *ctlname, char *key) {
static char ctlfile[128];
static char ctl[1024];
static char* ectl;
IxpCFid *fid;
char *s, *p;
int nkey, n;
if(strcmp(ctlname, ctlfile)) {
strncpy(ctlfile, ctlname, sizeof ctlfile);
fid = ixp_open(client, ctlfile, OREAD);
n = ixp_read(fid, ctl, sizeof ctl - 1);
ectl = ctl + n;
ixp_close(fid);
}
nkey = strlen(key);
p = ctl - 1;
do {
p++;
if(!strncmp(p, key, nkey)) {
p += nkey;
s = strchr(p, '\n');
n = (s ? s : ectl) - p;
s = freelater(emalloc(n + 1));
s[n] = '\0';
return memcpy(s, p, n);
}
} while((p = strchr(p, '\n')));
return "";
}
void
client_init(char* address) {
IXP_ASSERT_VERSION;
if(address == nil)
address = getenv("WMII_ADDRESS");
if(address && *address)
client = ixp_mount(address);
else
client = ixp_nsmount("wmii");
if(client == nil)
fatal("can't mount wmii filesystem: %r\n");
}