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https://github.com/versity/scoutfs.git
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b9bd7d1293
The first commit of the scoutfs-tests suite which uses multiple mounts on one host to test multi-node scoutfs. Signed-off-by: Zach Brown <zab@versity.com>
117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/xattr.h>
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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/*
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* int setxattr(const char *path, const char *name,
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* const void *value, size_t size, int flags);
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*/
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static void exit_usage(void)
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{
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printf(" -h/-? output this usage message and exit\n"
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" -c add XATTR_CREATE to flags\n"
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" -f <num> add parsed number to flags (defaults to 0)\n"
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" -n <string> xattr name string\n"
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" -N <num> raw xattr name pointer\n"
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" -p <string> file path string\n"
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" -P <num> raw file path pointer\n"
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" -r add XATTR_REPLACE to flags\n"
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" -s <num> xattr value size (defaults to strlen(-v))\n"
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" -v <string> xattr value string\n"
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" -V <num> raw xattr value pointer\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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unsigned char opts[256] = {0,};
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char *path = NULL;
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char *name = NULL;
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char *value = NULL;
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size_t size = 0;
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int flags = 0;
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int ret;
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int c;
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while ((c = getopt(argc, argv, "+cf:n:N:p:P:s:rv:V:")) != -1) {
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switch (c) {
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case 'c':
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flags |= XATTR_CREATE;
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break;
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case 'f':
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flags |= strtol(optarg, NULL, 0);
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break;
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case 'n':
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name = strdup(optarg);
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break;
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case 'N':
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name = (void *)strtol(optarg, NULL, 0);
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break;
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case 'p':
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path = strdup(optarg);
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break;
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case 'P':
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path = (void *)strtol(optarg, NULL, 0);
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break;
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case 'r':
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flags |= XATTR_REPLACE;
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break;
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case 's':
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size = strtoll(optarg, NULL, 0);
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break;
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case 'v':
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value = strdup(optarg);
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break;
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case 'V':
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value = (void *)strtol(optarg, NULL, 0);
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break;
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case '?':
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printf("unknown argument: %c\n", optind);
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case 'h':
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exit_usage();
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}
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opts[c] = 1;
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}
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if (!opts['p'] && !opts['P']) {
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printf("specify path with -p or raw path pointer with -P\n");
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exit(1);
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}
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if (!opts['n'] && !opts['N']) {
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printf("specify name with -n or raw name pointer with -N\n");
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exit(1);
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}
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if (!opts['v'] && !opts['V']) {
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printf("specify value with -v or raw value pointer with -V\n");
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exit(1);
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}
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if (!opts['s']) {
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if (opts['v']) {
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size = strlen(value);
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} else {
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printf("specify size with -s when using -V\n");
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exit(1);
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}
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}
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ret = setxattr(path, name, value, size, flags);
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if (ret)
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printf("returned %d errno %d (%s)\n",
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ret, errno, strerror(errno));
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else
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printf("returned %d\n", ret);
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return 0;
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}
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