src/lib/mkdir-parents.c

	mkdir-parents.c revision ed96ff6746ad9741cacc31d867c8560b4dac8cb5
/* Copyright (c) 2003 Timo Sirainen */

#include "lib.h"
#include "mkdir-parents.h"

#include <sys/stat.h>

int mkdir_parents(const char *path, mode_t mode)
{
    const char *p;

    /* EISDIR check is for BSD/OS which returns it if path contains '/'
       at the end and it exists.

       ENOSYS check is for NFS mount points.
    */
    if (mkdir(path, mode) < 0 && errno != EEXIST &&
        errno != EISDIR && errno != ENOSYS) {
        if (errno != ENOENT)
            return -1;

        p = strrchr(path, '/');
        if (p == NULL || p == path)
            return -1; /* shouldn't happen */

        t_push();
        if (mkdir_parents(t_strdup_until(path, p), mode) < 0) {
            t_pop();
            return -1;
        }
        t_pop();

        /* should work now */
        if (mkdir(path, mode) < 0 && errno != EEXIST && errno != EISDIR)
            return -1;
    }

    return 0;
}