From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Thu, 24 Feb 2011 09:36:56 +0000 (+0100)
Subject: Improved sztest argument parsing.
X-Git-Url: http://dolda2000.com/gitweb/?p=utils.git;a=commitdiff_plain;h=8f1c8d496df088d8c4808b720b127dd95b30e239

Improved sztest argument parsing.
---

diff --git a/sztest b/sztest
index 2393971..ca7182c 100755
--- a/sztest
+++ b/sztest
@@ -1,9 +1,8 @@
 #!/bin/sh
 
-if [ $# -lt 1 ]; then
-    echo "usage: sztest [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]" >&2
-    exit 1
-fi
+usage() {
+    echo "usage: sztest [-h] [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]"
+}
 
 sheaders=
 lheaders=
@@ -11,6 +10,10 @@ while [ "${1:0:1}" = "-" ]; do
     opt="$1"
     shift
     case "$opt" in
+	"-h")
+	    usage
+	    exit 0
+	    ;;
 	"-H")
 	    sheaders="$sheaders $1"
 	    shift
@@ -21,6 +24,10 @@ while [ "${1:0:1}" = "-" ]; do
 	    ;;
     esac
 done
+if [ $# -lt 1 ]; then
+    usage >&2
+    exit 1
+fi
 type="$1"
 shift
 file="$(mktemp /tmp/sztestXXXXXX)"