Pejman Moghadam / C-programming

C - Check for file existence and permissions

Public domain

---

#include <stdio.h>
#include <unistd.h>

#define FILE "/etc/resolv.conf"

int main()
{
    if(access(FILE, F_OK) == 0)
        printf("%s is exist.\n", FILE);

    if(access(FILE, R_OK) == 0)
        printf("%s is readable.\n", FILE);

    if(access(FILE, W_OK) == 0)
        printf("%s is writable.\n", FILE);

    if(access(FILE, X_OK) == 0)
        printf("%s is executable.\n", FILE);

    if(access(FILE, R_OK | W_OK) == 0)
        printf("%s is readable AND writable.\n", FILE);

    return 0;
}

---

BY: Pejman Moghadam
TAG: permission, existence
DATE: 2012-02-25 14:55:54

---

Pejman Moghadam / C-programming [ TXT ]