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-rw-r--r--src/bin/pg_dump/pg_backup_tar.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/bin/pg_dump/pg_backup_tar.h b/src/bin/pg_dump/pg_backup_tar.h
new file mode 100644
index 0000000..0277f08
--- /dev/null
+++ b/src/bin/pg_dump/pg_backup_tar.h
@@ -0,0 +1,37 @@
+/*
+ * src/bin/pg_dump/pg_backup_tar.h
+ *
+ * TAR Header (see "ustar interchange format" in POSIX 1003.1)
+ *
+ * Offset Length Contents
+ * 0 100 bytes File name ('\0' terminated, 99 maximum length)
+ * 100 8 bytes File mode (in octal ascii)
+ * 108 8 bytes User ID (in octal ascii)
+ * 116 8 bytes Group ID (in octal ascii)
+ * 124 12 bytes File size (in octal ascii)
+ * 136 12 bytes Modify time (Unix timestamp in octal ascii)
+ * 148 8 bytes Header checksum (in octal ascii)
+ * 156 1 bytes Type flag (see below)
+ * 157 100 bytes Linkname, if symlink ('\0' terminated, 99 maximum length)
+ * 257 6 bytes Magic ("ustar\0")
+ * 263 2 bytes Version ("00")
+ * 265 32 bytes User name ('\0' terminated, 31 maximum length)
+ * 297 32 bytes Group name ('\0' terminated, 31 maximum length)
+ * 329 8 bytes Major device ID (in octal ascii)
+ * 337 8 bytes Minor device ID (in octal ascii)
+ * 345 155 bytes File name prefix (not used in our implementation)
+ * 500 12 bytes Padding
+ *
+ * 512 (s+p)bytes File contents, padded out to 512-byte boundary
+ */
+
+/* The type flag defines the type of file */
+#define LF_OLDNORMAL '\0' /* Normal disk file, Unix compatible */
+#define LF_NORMAL '0' /* Normal disk file */
+#define LF_LINK '1' /* Link to previously dumped file */
+#define LF_SYMLINK '2' /* Symbolic link */
+#define LF_CHR '3' /* Character special file */
+#define LF_BLK '4' /* Block special file */
+#define LF_DIR '5' /* Directory */
+#define LF_FIFO '6' /* FIFO special file */
+#define LF_CONTIG '7' /* Contiguous file */