Run alternative decompression programs if the principal one is not available.

[chaz/tar] / src / common.h

diff --git a/src/common.h b/src/common.h
index 4a638240c5f5cb93c064bd1dfbd8700c23253718..69097b3f68cc791cca7269d4c12cdb60743af5d8 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -440,6 +440,9 @@ void mv_size_left (off_t size);
 
 void buffer_write_global_xheader (void);
 
+const char *first_decompress_program (int *pstate);
+const char *next_decompress_program (int *pstate);
+
 /* Module create.c.  */
 
 enum dump_status
@@ -805,10 +808,12 @@ void checkpoint_run (bool do_write);
 #define WARN_UNKNOWN_CAST        0x00010000
 #define WARN_UNKNOWN_KEYWORD     0x00020000
 #define WARN_XDEV                0x00040000
+#define WARN_DECOMPRESS_PROGRAM  0x00080000
 
 /* The warnings composing WARN_VERBOSE_WARNINGS are enabled by default
    in verbose mode */
-#define WARN_VERBOSE_WARNINGS    (WARN_RENAME_DIRECTORY|WARN_NEW_DIRECTORY)
+#define WARN_VERBOSE_WARNINGS    (WARN_RENAME_DIRECTORY|WARN_NEW_DIRECTORY|\
+                                 WARN_DECOMPRESS_PROGRAM)
 #define WARN_ALL                 (~WARN_VERBOSE_WARNINGS)
 
 void set_warning_option (const char *arg);