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Dir creating, permissions setting issue!

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Join Date: Sep 2007

Posts: 38

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BigFormat

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Dir creating, permissions setting issue!

Nov 25th, 2008

Hello, I need to create some dirs (one for each user), taking the dir name from a given string.
I managed to do this with the following code:

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DIR *dir_ptr;
char *target_dir;
 
target_dir = malloc(32*sizeof(char));
 
for(all users)  {
 
    /* Set username for current user */
 
    target_dir[0] = '\0';
    strcat(target_dir, "./Environment");
    strcat(target_dir, "/");
    strcat(target_dir, username);
    strcat(target_dir, "/");
 
    /* check for DIR existence, if not, create */
    if((dir_ptr = opendir(target_dir)) == NULL)  
        mkdir(target_dir);
 
}
DIR *dir_ptr;
char *target_dir;

target_dir = malloc(32*sizeof(char));

for(all users)  {

    /* Set username for current user */
    
    target_dir[0] = '\0';
    strcat(target_dir, "./Environment");
    strcat(target_dir, "/");
    strcat(target_dir, username);
    strcat(target_dir, "/");

    /* check for DIR existence, if not, create */
    if((dir_ptr = opendir(target_dir)) == NULL)  
        mkdir(target_dir);
        
}

My problem is these dirs are created with no permissions at all, I've got to set them manually doing "chmod 777 name", is there a function out there to create dirs with permissions already setted? I need to use them later from inside my application and I want the users to be able to modify them from the OS (ie adding files inside).
I use Debian, in XP no problems!

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Join Date: Dec 2005

Posts: 5,850

Reputation: Salem has a reputation beyond repute

Solved Threads: 749

Salem

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Void main'ers are DOOMed

Re: Dir creating, permissions setting issue!

Nov 25th, 2008

Apparently, mkdir() takes 2 parameters.
http://www.rocketaware.com/man/man2/mkdir.2.htm

One wonders whether
- you read the manual before calling it
- included the appropriate header file which would have warned you about too few parameters
- mis-took early success on other platforms as a sign of bug-free code.