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#include <camellia.h>
#include <camellia/syscalls.h>
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
ssize_t
get(hid_t h, const char *name, char *buf, size_t len)
{
ssize_t ret = _sys_getxattr(h, name, buf, len, 0);
if (ret < 0) {
fprintf(stderr, "error when getting %s: %s\n", name, strerror(-ret));
} else {
printf("%s: ", name);
for (ssize_t i = 0; i < ret; i++) {
if (isprint(buf[i])) {
putchar(buf[i]);
} else {
printf("\\x%02x", (unsigned char)buf[i]);
}
}
printf("\n");
}
return ret;
}
int
main(int argc, char **argv)
{
if (argc < 2) {
fprintf(stderr, "usage: getxattr file [xattrs...]\n");
return 1;
}
hid_t h = camellia_open(argv[1], OPEN_READ);
char buf[512];
if (h < 0) err(1, "open");
if (argc == 2) {
ssize_t ret = get(h, "virt.index", buf, sizeof(buf));
if (ret < 0) return 1;
if (0 < ret && buf[ret-1] != '\0') {
fprintf(stderr, "index truncated\n");
} else {
for (ssize_t i = 0; i < ret; i += strlen(buf+i) + 1) {
char buf2[512];
get(h, buf+i, buf2, sizeof(buf2));
}
}
} else {
for (int i = 2; i < argc; i++) {
get(h, argv[i], buf, sizeof(buf));
}
}
}
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