Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / fs / reiserfs / mode_string.c

diff --git a/qemu/roms/u-boot/fs/reiserfs/mode_string.c b/qemu/roms/u-boot/fs/reiserfs/mode_string.c
new file mode 100644 (file)
index 0000000..ec18dc1
--- /dev/null
+++ b/qemu/roms/u-boot/fs/reiserfs/mode_string.c
@@ -0,0 +1,125 @@
+/*
+ * mode_string implementation for busybox
+ *
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/* Aug 13, 2003
+ * Fix a bug reported by junkio@cox.net involving the mode_chars index.
+ */
+
+
+#include <common.h>
+#include <linux/stat.h>
+
+#if ( S_ISUID != 04000 ) || ( S_ISGID != 02000 ) || ( S_ISVTX != 01000 ) \
+ || ( S_IRUSR != 00400 ) || ( S_IWUSR != 00200 ) || ( S_IXUSR != 00100 ) \
+ || ( S_IRGRP != 00040 ) || ( S_IWGRP != 00020 ) || ( S_IXGRP != 00010 ) \
+ || ( S_IROTH != 00004 ) || ( S_IWOTH != 00002 ) || ( S_IXOTH != 00001 )
+#error permission bitflag value assumption(s) violated!
+#endif
+
+#if ( S_IFSOCK!= 0140000 ) || ( S_IFLNK != 0120000 ) \
+ || ( S_IFREG != 0100000 ) || ( S_IFBLK != 0060000 ) \
+ || ( S_IFDIR != 0040000 ) || ( S_IFCHR != 0020000 ) \
+ || ( S_IFIFO != 0010000 )
+#warning mode type bitflag value assumption(s) violated! falling back to larger version
+
+#if (S_IRWXU | S_IRWXG | S_IRWXO | S_ISUID | S_ISGID | S_ISVTX) == 07777
+#undef mode_t
+#define mode_t unsigned short
+#endif
+
+static const mode_t mode_flags[] = {
+       S_IRUSR, S_IWUSR, S_IXUSR, S_ISUID,
+       S_IRGRP, S_IWGRP, S_IXGRP, S_ISGID,
+       S_IROTH, S_IWOTH, S_IXOTH, S_ISVTX
+};
+
+/* The static const char arrays below are duplicated for the two cases
+ * because moving them ahead of the mode_flags declaration cause a text
+ * size increase with the gcc version I'm using. */
+
+/* The previous version used "0pcCd?bB-?l?s???".  However, the '0', 'C',
+ * and 'B' types don't appear to be available on linux.  So I removed them. */
+static const char type_chars[16] = "?pc?d?b?-?l?s???";
+/*                                  0123456789abcdef */
+static const char mode_chars[7] = "rwxSTst";
+
+const char *bb_mode_string(int mode)
+{
+       static char buf[12];
+       char *p = buf;
+
+       int i, j, k;
+
+       *p = type_chars[ (mode >> 12) & 0xf ];
+       i = 0;
+       do {
+               j = k = 0;
+               do {
+                       *++p = '-';
+                       if (mode & mode_flags[i+j]) {
+                               *p = mode_chars[j];
+                               k = j;
+                       }
+               } while (++j < 3);
+               if (mode & mode_flags[i+j]) {
+                       *p = mode_chars[3 + (k & 2) + ((i&8) >> 3)];
+               }
+               i += 4;
+       } while (i < 12);
+
+       /* Note: We don't bother with nul termination because bss initialization
+        * should have taken care of that for us.  If the user scribbled in buf
+        * memory, they deserve whatever happens.  But we'll at least assert. */
+       if (buf[10] != 0) return NULL;
+
+       return buf;
+}
+
+#else
+
+/* The previous version used "0pcCd?bB-?l?s???".  However, the '0', 'C',
+ * and 'B' types don't appear to be available on linux.  So I removed them. */
+static const char type_chars[16] = "?pc?d?b?-?l?s???";
+/*                                  0123456789abcdef */
+static const char mode_chars[7] = "rwxSTst";
+
+const char *bb_mode_string(int mode)
+{
+       static char buf[12];
+       char *p = buf;
+
+       int i, j, k, m;
+
+       *p = type_chars[ (mode >> 12) & 0xf ];
+       i = 0;
+       m = 0400;
+       do {
+               j = k = 0;
+               do {
+                       *++p = '-';
+                       if (mode & m) {
+                               *p = mode_chars[j];
+                               k = j;
+                       }
+                       m >>= 1;
+               } while (++j < 3);
+               ++i;
+               if (mode & (010000 >> i)) {
+                       *p = mode_chars[3 + (k & 2) + (i == 3)];
+               }
+       } while (i < 3);
+
+       /* Note: We don't bother with nul termination because bss initialization
+        * should have taken care of that for us.  If the user scribbled in buf
+        * memory, they deserve whatever happens.  But we'll at least assert. */
+       if (buf[10] != 0) return NULL;
+
+       return buf;
+}
+
+#endif