fixes #10 - improve documentation for macos

src/stackusage

@@ -28,9 +28,9 @@ showusage()
   echo "   --version       output version information and exit"
   echo ""
   echo "Examples:"
-  echo "stackusage ls"
+  echo "stackusage ./ex001"
   echo ""
-  echo "executes the program 'ls' and measures its stack usage."
+  echo "executes the program 'ex001' and measures its stack usage."
   echo "Result is output to stderr on the following format:"
   echo ""
   echo "stackusage log at 2018-10-28 22:33:18 ----------------------------------------"
@@ -43,7 +43,7 @@ showusage()
 
 showversion()
 {
-  echo "stackusage v1.12"
+  echo "stackusage v1.14"
   echo ""
   echo "Copyright (C) 2015-2020 Kristofer Berggren"
   echo ""
@@ -193,6 +193,11 @@ if [ "${OUTFILE}" == "" ]; then
     cat "${TMPLOG}" >&2
   else
     echo "error: unable to preload ${LIBNAME}"
+    if [ "$(uname)" == "Darwin" ]; then
+      echo "note that stackusage on macOS cannot measure stack usage on"
+      echo "programs protected by System Integrity Protection, it should"
+      echo "however work on locally compiled programs."
+    fi
   fi
 fi
 

src/stackusage.1

@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man.
-.TH STACKUSAGE "1" "December 2020" "stackusage v1.12" "User Commands"
+.TH STACKUSAGE "1" "August 2021" "stackusage v1.14" "User Commands"
 .SH NAME
 stackusage \- measure stack usage in applications
 .SH SYNOPSIS
@@ -41,9 +41,9 @@ display this help and exit
 \fB\-\-version\fR
 output version information and exit
 .SH EXAMPLES
-stackusage ls
+stackusage ./ex001
 .PP
-executes the program 'ls' and measures its stack usage.
+executes the program 'ex001' and measures its stack usage.
 Result is output to stderr on the following format:
 .PP
 stackusage log at 2018\-10\-28 22:33:18 \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-