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/* setfattr.c - Write POSIX extended attributes.
*
* Copyright 2016 Android Open Source Project.
*
* No standard
USE_SETFATTR(NEWTOY(setfattr, "hn:v:x:[!xv]", TOYFLAG_USR|TOYFLAG_BIN))
config SETFATTR
bool "setfattr"
default y
help
usage: setfattr [-h] -n NAME [-v VALUE] FILE...
usage: setfattr [-h] -x NAME FILE...
Write POSIX extended attributes.
-h Do not dereference symbolic links.
-n Set value of given attribute.
-x Remove value of given attribute.
-v Value to use with -n (default is empty).
*/
#define FOR_setfattr
#include "toys.h"
GLOBALS(
char *x, *v, *n;
)
static void do_setfattr(char *file)
{
int (*setter)(const char *, const char *, const void *, size_t, int) =
setxattr;
int (*remover)(const char *, const char *) = removexattr;
if (toys.optflags&FLAG_h) {
setter = lsetxattr;
remover = lremovexattr;
}
if (toys.optflags&FLAG_x) {
if (remover(file, TT.x)) perror_msg("removexattr failed");
} else {
if (setter(file, TT.n, TT.v, TT.v ? strlen(TT.v) : 0, 0))
perror_msg("setxattr failed");
}
}
void setfattr_main(void)
{
char **s;
if (!(toys.optflags&(FLAG_n|FLAG_x))) error_exit("need 'n' or 'x'");
for (s=toys.optargs; *s; s++) do_setfattr(*s);
}
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