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[unix-history] / gnu / libexec / uucp / libuuconf / syshdr.h

diff --git a/gnu/libexec/uucp/libuuconf/syshdr.h b/gnu/libexec/uucp/libuuconf/syshdr.h
index 8ff18a6..b5a759f 100644 (file)
--- a/gnu/libexec/uucp/libuuconf/syshdr.h
+++ b/gnu/libexec/uucp/libuuconf/syshdr.h
@@ -1,7 +1,7 @@
 /* syshdr.unx -*- C -*-
    Unix system header for the uuconf library.
 
 /* syshdr.unx -*- C -*-
    Unix system header for the uuconf library.
 

-   Copyright (C) 1992 Ian Lance Taylor
+   Copyright (C) 1992, 1993 Ian Lance Taylor

 
    This file is part of the Taylor UUCP uuconf library.
 
 
    This file is part of the Taylor UUCP uuconf library.
 


@@ -20,7 +20,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    The author of the program may be contacted at ian@airs.com or
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    The author of the program may be contacted at ian@airs.com or

-   c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
+   c/o Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.

    */
 
 /* The root directory (used when setting local-send and local-receive
    */
 
 /* The root directory (used when setting local-send and local-receive


@@ -82,6 +82,40 @@ extern char *sys_errlist[];
 
 #endif /* ! HAVE_STRERROR */
 
 
 #endif /* ! HAVE_STRERROR */
 

+/* This macro is used to make a filename found in a configuration file
+   into an absolute path.  The zdir argument is the directory to put it
+   in.  The zset argument is set to the new string.  The fallocated
+   argument is set to TRUE if the new string was allocated.  */
+#define MAKE_ABSOLUTE(zset, fallocated, zfile, zdir, pblock) \
+  do \
+    { \
+      if (*(zfile) == '/') \
+       { \
+         (zset) = (zfile); \
+         (fallocated) = FALSE; \
+       } \
+      else \
+       { \
+         size_t abs_cdir, abs_cfile; \
+         char *abs_zret; \
+\
+         abs_cdir = strlen (zdir); \
+         abs_cfile = strlen (zfile); \
+         abs_zret = (char *) uuconf_malloc ((pblock), \
+                                            abs_cdir + abs_cfile + 2); \
+         (zset) = abs_zret; \
+         (fallocated) = TRUE; \
+         if (abs_zret != NULL) \
+           { \
+             memcpy ((pointer) abs_zret, (pointer) (zdir), abs_cdir); \
+             abs_zret[abs_cdir] = '/'; \
+             memcpy ((pointer) (abs_zret + abs_cdir + 1), \
+                     (pointer) (zfile), abs_cfile + 1); \
+           } \
+       } \
+    } \
+  while (0)
+

 /* We want to be able to mark the Taylor UUCP system files as close on
    exec.  */
 #if HAVE_FCNTL_H
 /* We want to be able to mark the Taylor UUCP system files as close on
    exec.  */
 #if HAVE_FCNTL_H