[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/contrib/fallocate.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/contrib/fallocate.c
new file mode 100644
index 0000000..1f9b59a
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/contrib/fallocate.c
@@ -0,0 +1,174 @@
+/*
+ * fallocate - utility to use the fallocate system call
+ *
+ * Copyright (C) 2008 Red Hat, Inc. All rights reserved.
+ * Written by Eric Sandeen <sandeen@redhat.com>
+ *
+ * cvtnum routine taken from xfsprogs,
+ * Copyright (c) 2003-2005 Silicon Graphics, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#define _LARGEFILE_SOURCE
+#define _LARGEFILE64_SOURCE
+
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <ctype.h>
+
+// #include <linux/falloc.h>
+#define FALLOC_FL_KEEP_SIZE 0x01
+#define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
+
+void usage(void)
+{
+ printf("Usage: fallocate [-npt] [-o offset] -l length filename\n");
+ exit(EXIT_FAILURE);
+}
+
+#define EXABYTES(x) ((long long)(x) << 60)
+#define PETABYTES(x) ((long long)(x) << 50)
+#define TERABYTES(x) ((long long)(x) << 40)
+#define GIGABYTES(x) ((long long)(x) << 30)
+#define MEGABYTES(x) ((long long)(x) << 20)
+#define KILOBYTES(x) ((long long)(x) << 10)
+
+long long
+cvtnum(char *s)
+{
+ long long i;
+ char *sp;
+ int c;
+
+ i = strtoll(s, &sp, 0);
+ if (i == 0 && sp == s)
+ return -1LL;
+ if (*sp == '\0')
+ return i;
+ if (sp[1] != '\0')
+ return -1LL;
+
+ c = tolower(*sp);
+ switch (c) {
+ case 'k':
+ return KILOBYTES(i);
+ case 'm':
+ return MEGABYTES(i);
+ case 'g':
+ return GIGABYTES(i);
+ case 't':
+ return TERABYTES(i);
+ case 'p':
+ return PETABYTES(i);
+ case 'e':
+ return EXABYTES(i);
+ }
+
+ return -1LL;
+}
+
+int main(int argc, char **argv)
+{
+ int fd;
+ char *fname;
+ int opt;
+ loff_t length = -2LL;
+ loff_t offset = 0;
+ int falloc_mode = 0;
+ int error;
+ int tflag = 0;
+
+ while ((opt = getopt(argc, argv, "npl:o:t")) != -1) {
+ switch(opt) {
+ case 'n':
+ /* do not change filesize */
+ falloc_mode = FALLOC_FL_KEEP_SIZE;
+ break;
+ case 'p':
+ /* punch mode */
+ falloc_mode = (FALLOC_FL_PUNCH_HOLE |
+ FALLOC_FL_KEEP_SIZE);
+ break;
+ case 'l':
+ length = cvtnum(optarg);
+ break;
+ case 'o':
+ offset = cvtnum(optarg);
+ break;
+ case 't':
+ tflag++;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ if (length == -2LL) {
+ printf("Error: no length argument specified\n");
+ usage();
+ }
+
+ if (length <= 0) {
+ printf("Error: invalid length value specified\n");
+ usage();
+ }
+
+ if (offset < 0) {
+ printf("Error: invalid offset value specified\n");
+ usage();
+ }
+
+ if (tflag && (falloc_mode & FALLOC_FL_KEEP_SIZE)) {
+ printf("-n and -t options incompatible\n");
+ usage();
+ }
+
+ if (tflag && offset) {
+ printf("-n and -o options incompatible\n");
+ usage();
+ }
+
+ if (optind == argc) {
+ printf("Error: no filename specified\n");
+ usage();
+ }
+
+ fname = argv[optind++];
+
+ /* Should we create the file if it doesn't already exist? */
+ fd = open(fname, O_WRONLY|O_LARGEFILE);
+ if (fd < 0) {
+ perror("Error opening file");
+ exit(EXIT_FAILURE);
+ }
+
+ if (tflag)
+ error = ftruncate(fd, length);
+ else
+ error = syscall(SYS_fallocate, fd, falloc_mode, offset, length);
+
+ if (error < 0) {
+ perror("fallocate failed");
+ exit(EXIT_FAILURE);
+ }
+
+ close(fd);
+ return 0;
+}