[src/trunk]: src/sys/rump/include/rump generate errno -> str routine (for por...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/29aa939fc657
branches:  trunk
changeset: 792066:29aa939fc657
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Dec 18 20:10:58 2013 +0000

description:
generate errno -> str routine (for portable programs)

diffstat:

 sys/rump/include/rump/makerumpdefs.sh |  49 +++++++++++++++++++++++++++++++++-
 1 files changed, 47 insertions(+), 2 deletions(-)

diffs (64 lines):

diff -r 5292f856abc9 -r 29aa939fc657 sys/rump/include/rump/makerumpdefs.sh
--- a/sys/rump/include/rump/makerumpdefs.sh     Wed Dec 18 13:03:59 2013 +0000
+++ b/sys/rump/include/rump/makerumpdefs.sh     Wed Dec 18 20:10:58 2013 +0000
@@ -6,9 +6,9 @@
 
 echo Generating rumpdefs.h
 rm -f rumpdefs.h
-exec > rumpdefs.h
+exec 3>&1 > rumpdefs.h
 
-printf '/*     $NetBSD: makerumpdefs.sh,v 1.24 2013/12/11 23:13:48 pooka Exp $ */\n\n'
+printf '/*     $NetBSD: makerumpdefs.sh,v 1.25 2013/12/18 20:10:58 pooka Exp $ */\n\n'
 printf '/*\n *\tAUTOMATICALLY GENERATED.  DO NOT EDIT.\n */\n\n'
 printf '#ifndef _RUMP_RUMPDEFS_H_\n'
 printf '#define _RUMP_RUMPDEFS_H_\n\n'
@@ -123,3 +123,48 @@
 getstruct ../../../sys/dirent.h dirent
 
 printf '\n#endif /* _RUMP_RUMPDEFS_H_ */\n'
+
+exec 1>&3
+echo Generating rumperr.h
+rm -f rumperr.h
+exec > rumperr.h
+
+printf '/*     $NetBSD: makerumpdefs.sh,v 1.25 2013/12/18 20:10:58 pooka Exp $ */\n\n'
+printf '/*\n *\tAUTOMATICALLY GENERATED.  DO NOT EDIT.\n */\n'
+
+fromvers ../../../sys/errno.h
+
+printf "\nstatic inline const char *\nrump_strerror(int error)\n{\n\n"
+printf "\tswitch (error) {\n\tcase 0:\n"
+printf "\t\t return \"No error: zero, zip, zilch, none!\";\n"
+awk '/^#define[        ]*E.*[0-9]/{
+       ename = $2
+       evalue = $3
+       error = 1
+       if (ename == "ELAST") {
+               printf "\tdefault:\n"
+               printf "\t\treturn \"Invalid error!\";\n\t}\n}\n"
+               error = 0
+               exit 0
+       }
+       if (preverror + 1 != evalue)
+               exit 1
+       preverror = evalue
+       printf "\tcase %d: /* (%s) */\n\t\treturn \"", evalue, ename
+       sp = ""
+       for (i = 5; i < NF; i++) {
+               printf "%s%s", sp, $i
+               sp = " "
+       }
+       printf "\";\n"
+}
+END {
+       exit error
+}' < ../../../sys/errno.h
+if [ $? -ne 0 ]; then
+       echo 'Parsing errno.h failed!' 1>&3
+       rm -f rumpdefs.h rumperr.h
+       exit 1
+fi
+
+exit 0