sbase/chmod.c
FRIGN 8dc92fbd6c Refactor enmasse() and recurse() to reflect depth
The HLP-changes to sbase have been a great addition of functionality,
but they kind of "polluted" the enmasse() and recurse() prototypes.
As this will come in handy in the future, knowing at which "depth"
you are inside a recursing function is an important functionality.

Instead of having a special HLP-flag passed to enmasse, each sub-
function needs to provide it on its own and can calculate results
based on the current depth (for instance, 'H' implies 'P' at
depth > 0).
A special case is recurse(), because it actually depends on the
follow-type. A new flag "recurse_follow" brings consistency into
what used to be spread across different naming conventions (fflag,
HLP_flag, ...).

This also fixes numerous bugs with the behaviour of HLP in the
tools using it.
2015-03-02 22:50:38 +01:00

77 lines
1.2 KiB
C

/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>
#include "util.h"
static int Rflag = 0;
static char *modestr = "";
static mode_t mask = 0;
static int ret = 0;
void
chmodr(const char *path, int depth)
{
struct stat st;
mode_t m;
if (stat(path, &st) < 0) {
weprintf("stat %s:", path);
ret = 1;
return;
}
m = parsemode(modestr, st.st_mode, mask);
if (chmod(path, m) < 0) {
weprintf("chmod %s:", path);
ret = 1;
}
if (Rflag)
recurse(path, chmodr, depth);
}
static void
usage(void)
{
eprintf("usage: %s [-R [-H | -L | -P]] mode file ...\n", argv0);
}
int
main(int argc, char *argv[])
{
size_t i;
argv0 = argv[0];
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
switch (argv[i][1]) {
case 'R':
Rflag = 1;
break;
case 'H':
case 'L':
case 'P':
recurse_follow = argv[i][1];
break;
case 'r': case 'w': case 'x': case 's': case 't':
/*
* -[rwxst] are valid modes so do not interpret
* them as options - in any case we are done if
* we hit this case
*/
goto done;
default:
usage();
}
}
done:
mask = getumask();
modestr = argv[i];
if (argc - i - 1 < 1)
usage();
for (++i; i < argc; i++)
chmodr(argv[i], 0);
return ret;
}