Attachment 8336 Details for Bug 37216 – listxattr.c

listxattr.c

listxattr.c (text/plain), 1.34 KB, created by Alexey Gladkov on 2019-10-14 16:47:33 MSK

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Creator: Alexey Gladkov

Created: 2019-10-14 16:47:33 MSK

Size: 1.34 KB

patch

obsolete

>#include <sys/types.h>
>#include <sys/xattr.h>
>
>#include <malloc.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <errno.h>
>#include <error.h>
>
>int
>main(int argc, char *argv[])
>{
>	ssize_t buflen, keylen, vallen;
>	char *buf, *key, *val;
>
>	if (argc != 2) {
>		fprintf(stderr, "Usage: %s path\n", argv[0]);
>		exit(EXIT_FAILURE);
>	}
>
>	buflen = listxattr(argv[1], NULL, 0);
>	if (buflen == -1)
>		error(EXIT_FAILURE, errno, "listxattr");
>
>	if (buflen == 0) {
>		printf("%s has no attributes.\n", argv[1]);
>		exit(EXIT_SUCCESS);
>	}
>
>	buf = malloc(buflen);
>	if (buf == NULL)
>		error(EXIT_FAILURE, errno, "malloc");
>
>	buflen = listxattr(argv[1], buf, buflen);
>	if (buflen == -1)
>		error(EXIT_FAILURE, errno, "listxattr");
>
>	key = buf;
>	while (buflen > 0) {
>		printf("{%s} = ", key);
>
>		vallen = getxattr(argv[1], key, NULL, 0);
>		if (vallen == -1)
>			error(EXIT_SUCCESS, 0, "getxattr");
>
>		if (vallen > 0) {
>			val = malloc(vallen + 1);
>			if (val == NULL)
>				error(EXIT_FAILURE, errno, "malloc");
>
>			vallen = getxattr(argv[1], key, val, vallen);
>			if (vallen == -1)
>				error(EXIT_SUCCESS, 0, "getxattr");
>			else {
>				val[vallen] = 0;
>				printf("{%s}", val);
>			}
>
>			free(val);
>		} else if (vallen == 0)
>			printf("<no value>");
>
>		printf("\n");
>
>		keylen = strlen(key) + 1;
>		buflen -= keylen;
>		key += keylen;
>	}
>
>	free(buf);
>	exit(EXIT_SUCCESS);
>}

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Attachments on bug 37216: 8336