Save before experimenting with help processing system...

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/help2c.sh b/tools/help2c.sh
new file mode 100755
index 0000000..5ce89e3
--- /dev/null
+++ b/tools/help2c.sh
@@ -0,0 +1,28 @@
+#!/bin/sh -e
+
+if test -z "$1" ; then
+  echo "$0: usage: $0 name < textfile > cfile" 1>&2
+  exit 1
+fi
+
+echo '/* ISC license. */'
+echo
+echo '#include <unistd.h>'
+echo
+echo '#include <skalibs/buffer.h>'
+echo '#include <skalibs/strerr.h>'
+echo
+echo '#include "s6-frontend-internal.h"'
+echo
+echo "void ${1}_help (char const *const *argv)"
+echo '{'
+echo "  static char const *const ${1}_help_message ="
+
+sed 's/"/\\"/g; s/^/    "/; s/$/\\n"/'
+
+echo '  ;'
+echo "  if (!buffer_putsflush(buffer_1, ${1}_help_message))"
+echo '    strerr_diefu1sys(111, "write to stdout") ;'
+echo '  (void)argv ;'
+echo '  _exit(0) ;'
+echo '}'