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/*
* makedir.c -- make a directory
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
/*
* Modified to try recursive create.
*/
#include <h/mh.h>
#include <sys/file.h>
int
makedir (char *dir)
{
char path[PATH_MAX];
char* folder_perms_ASCII;
int had_an_error = 0;
mode_t folder_perms, saved_umask;
register char* c;
context_save(); /* save the context file */
fflush(stdout);
if (!(folder_perms_ASCII = context_find ("folder-protect")))
folder_perms_ASCII = foldprot; /* defaults to "700" */
/* Because mh-profile.man documents "Folder-Protect:" as an octal constant,
and we don't want to force the user to remember to include a leading
zero, we call atooi(folder_perms_ASCII) here rather than
strtoul(folder_perms_ASCII, NULL, 0). Therefore, if anyone ever tries to
specify a mode in say, hex, they'll get garbage. (I guess nmh uses its
atooi() function rather than calling strtoul() with a radix of 8 because
some ancient platforms are missing that functionality. */
folder_perms = atooi(folder_perms_ASCII);
/* Folders have definite desired permissions that are set -- we don't want
to interact with the umask. Clear it temporarily. */
saved_umask = umask(0);
c = strncpy(path, dir, sizeof(path));
while (!had_an_error && (c = strchr((c + 1), '/')) != NULL) {
*c = (char)0;
if (access(path, X_OK)) {
if (errno != ENOENT){
advise (dir, "unable to create directory");
had_an_error = 1;
}
/* Create an outer directory. */
if (mkdir(path, folder_perms)) {
advise (dir, "unable to create directory");
had_an_error = 1;
}
}
*c = '/';
}
if (!had_an_error) {
/* Create the innermost nested subdirectory of the path we're being
asked to create. */
if (mkdir (dir, folder_perms) == -1) {
advise (dir, "unable to create directory");
had_an_error = 1;
}
}
umask(saved_umask); /* put the user's umask back */
if (had_an_error)
return 0; /* opposite of UNIX error return convention */
else
return 1;
}
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