From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Thu, 24 Feb 2011 09:41:43 +0000 (+0100)
Subject: Added alignment checking to sztest.
X-Git-Url: http://git.dolda2000.com/gitweb/?a=commitdiff_plain;h=2dcf548661ac398e823bd4062bd8233aca863500;p=utils.git

Added alignment checking to sztest.
---

diff --git a/sztest b/sztest
index ca7182c..dcb2982 100755
--- a/sztest
+++ b/sztest
@@ -1,9 +1,10 @@
 #!/bin/sh
 
 usage() {
-    echo "usage: sztest [-h] [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]"
+    echo "usage: sztest [-hab] [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]"
 }
 
+mode=size
 sheaders=
 lheaders=
 while [ "${1:0:1}" = "-" ]; do
@@ -14,6 +15,12 @@ while [ "${1:0:1}" = "-" ]; do
 	    usage
 	    exit 0
 	    ;;
+	"-a")
+	    mode=align
+	    ;;
+	"-b")
+	    mode=both
+	    ;;
 	"-H")
 	    sheaders="$sheaders $1"
 	    shift
@@ -47,7 +54,19 @@ done
 cat >>"$file.c" <<EOF
 int main(int argc, char **argv)
 {
-    printf("%zi\n", sizeof($type));
+EOF
+case "$mode" in
+    size)
+	echo "    printf(\"%zi\\n\", sizeof($type));" >>"$file.c"
+	;;
+    align)
+	echo "    printf(\"%zi\\n\", __alignof__($type));" >>"$file.c"
+	;;
+    both)
+	echo "    printf(\"%zi %zi\\n\", sizeof($type), __alignof__($type));" >>"$file.c"
+	;;
+esac
+cat >>"$file.c" <<EOF
     return(0);
 }
 EOF