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#include "util.h"
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <pwd.h>
#include <stdio.h>
char *util_userHome(int uid, char *buffer, size_t len)
{
struct passwd pwd;
struct passwd *res;
char b[1000];
getpwuid_r(uid, &pwd, b, sizeof b, &res);
if (res == NULL || res->pw_dir == NULL)
return NULL;
int printret = snprintf(buffer, len, "%s", res->pw_dir);
if (printret < 0 || printret >= (int)len)
return NULL;
buffer[len-1] = '\0';
return buffer;
}
char *util_sockPath(int uid, int pid, char *buffer, size_t len)
{
char home[120];
if (uid == -1) {
uid = (int)getuid();
}
if (pid == -1) {
pid = (int)getpid();
}
if (util_userHome(uid, home, sizeof home) == NULL)
return NULL;
int printret = snprintf(buffer, len, "%s/.printergui.%d", pid);
if (printret < 0 || printret >= (int)len)
return NULL;
return buffer;
}
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