Add libtar to TWRP instead of using busybox tar
Add proper mkdosfs tool
Add fuse to TWRP
Add experimental exfat-fuse to TWRP
Convert all system() functions to use new Exec_Cmd function
diff --git a/libtar/util.c b/libtar/util.c
new file mode 100644
index 0000000..31e8315
--- /dev/null
+++ b/libtar/util.c
@@ -0,0 +1,165 @@
+/*
+** Copyright 1998-2003 University of Illinois Board of Trustees
+** Copyright 1998-2003 Mark D. Roth
+** All rights reserved.
+**
+** util.c - miscellaneous utility code for libtar
+**
+** Mark D. Roth <roth@uiuc.edu>
+** Campus Information Technologies and Educational Services
+** University of Illinois at Urbana-Champaign
+*/
+
+#include <internal.h>
+
+#include <stdio.h>
+#include <sys/param.h>
+#include <errno.h>
+
+#ifdef STDC_HEADERS
+# include <string.h>
+#endif
+
+
+/* hashing function for pathnames */
+int
+path_hashfunc(char *key, int numbuckets)
+{
+ char buf[MAXPATHLEN];
+ char *p;
+
+ strcpy(buf, key);
+ p = basename(buf);
+
+ return (((unsigned int)p[0]) % numbuckets);
+}
+
+
+/* matching function for dev_t's */
+int
+dev_match(dev_t *dev1, dev_t *dev2)
+{
+ return !memcmp(dev1, dev2, sizeof(dev_t));
+}
+
+
+/* matching function for ino_t's */
+int
+ino_match(ino_t *ino1, ino_t *ino2)
+{
+ return !memcmp(ino1, ino2, sizeof(ino_t));
+}
+
+
+/* hashing function for dev_t's */
+int
+dev_hash(dev_t *dev)
+{
+ return *dev % 16;
+}
+
+
+/* hashing function for ino_t's */
+int
+ino_hash(ino_t *inode)
+{
+ return *inode % 256;
+}
+
+
+/*
+** mkdirhier() - create all directories in a given path
+** returns:
+** 0 success
+** 1 all directories already exist
+** -1 (and sets errno) error
+*/
+int
+mkdirhier(char *path)
+{
+ char src[MAXPATHLEN], dst[MAXPATHLEN] = "";
+ char *dirp, *nextp = src;
+ int retval = 1;
+
+ if (strlcpy(src, path, sizeof(src)) > sizeof(src))
+ {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ if (path[0] == '/')
+ strcpy(dst, "/");
+
+ while ((dirp = strsep(&nextp, "/")) != NULL)
+ {
+ if (*dirp == '\0')
+ continue;
+
+ if (dst[0] != '\0')
+ strcat(dst, "/");
+ strcat(dst, dirp);
+
+ if (mkdir(dst, 0777) == -1)
+ {
+ if (errno != EEXIST)
+ return -1;
+ }
+ else
+ retval = 0;
+ }
+
+ return retval;
+}
+
+
+/* calculate header checksum */
+int
+th_crc_calc(TAR *t)
+{
+ int i, sum = 0;
+
+ for (i = 0; i < T_BLOCKSIZE; i++)
+ sum += ((unsigned char *)(&(t->th_buf)))[i];
+ for (i = 0; i < 8; i++)
+ sum += (' ' - (unsigned char)t->th_buf.chksum[i]);
+
+ return sum;
+}
+
+
+/* calculate a signed header checksum */
+int
+th_signed_crc_calc(TAR *t)
+{
+ int i, sum = 0;
+
+ for (i = 0; i < T_BLOCKSIZE; i++)
+ sum += ((signed char *)(&(t->th_buf)))[i];
+ for (i = 0; i < 8; i++)
+ sum += (' ' - (signed char)t->th_buf.chksum[i]);
+
+ return sum;
+}
+
+
+/* string-octal to integer conversion */
+int
+oct_to_int(char *oct)
+{
+ int i;
+
+ sscanf(oct, "%o", &i);
+
+ return i;
+}
+
+
+/* integer to string-octal conversion, no NULL */
+void
+int_to_oct_nonull(int num, char *oct, size_t octlen)
+{
+ snprintf(oct, octlen, "%*lo", octlen - 1, (unsigned long)num);
+ oct[octlen - 1] = ' ';
+}
+
+