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authorDaniel Shahaf <danielsh@apache.org>2016-10-16 17:28:18 +0300
committerMichael Tokarev <mjt@tls.msk.ru>2016-10-28 18:17:23 +0300
commit5a1de0b325c9c3df41cb41bcea8dca5fafc67b9a (patch)
treeb32a45e4b1051a0ae2bcdd92defb98c0641db3f9
parente1f3b974f46a15da038f3612bf1858ec81db793d (diff)
downloadfocaccia-qemu-5a1de0b325c9c3df41cb41bcea8dca5fafc67b9a.tar.gz
focaccia-qemu-5a1de0b325c9c3df41cb41bcea8dca5fafc67b9a.zip
scripts/hxtool: fix undefined behavour of echo
Avoid undefined behaviour of echo(1) with backslashes in arguments
The behaviour is implementation-defined, different /bin/sh's behave
differently.

Signed-off-by: Daniel Shahaf <danielsh@apache.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
-rw-r--r--scripts/hxtool20
1 files changed, 10 insertions, 10 deletions
diff --git a/scripts/hxtool b/scripts/hxtool
index 995bb7f08c..04f7d7b0ed 100644
--- a/scripts/hxtool
+++ b/scripts/hxtool
@@ -26,32 +26,32 @@ hxtotexi()
             ;;
             STEXI*)
             if test $flag -eq 1 ; then
-                echo "line $line: syntax error: expected ETEXI, found $str" >&2
+                printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             flag=1
             ;;
             ETEXI*)
             if test $flag -ne 1 ; then
-                echo "line $line: syntax error: expected STEXI, found $str" >&2
+                printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             flag=0
             ;;
             SQMP*|EQMP*)
             if test $flag -eq 1 ; then
-                echo "line $line: syntax error: expected ETEXI, found $str" >&2
+                printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             ;;
             DEFHEADING*)
-            echo "$(expr "$str" : "DEFHEADING(\(.*\))")"
+            printf '%s\n' "$(expr "$str" : "DEFHEADING(\(.*\))")"
             ;;
             ARCHHEADING*)
-            echo "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
+            printf '%s\n' "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
             ;;
             *)
-            test $flag -eq 1 && echo "$str"
+            test $flag -eq 1 && printf '%s\n' "$str"
             ;;
         esac
         line=$((line+1))
@@ -69,26 +69,26 @@ hxtoqmp()
             ;;
             SQMP*)
             if test $flag -eq 1 ; then
-                echo "line $line: syntax error: expected EQMP, found $str" >&2
+                printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             flag=1
             ;;
             EQMP*)
             if test $flag -ne 1 ; then
-                echo "line $line: syntax error: expected SQMP, found $str" >&2
+                printf "line %d: syntax error: expected SQMP, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             flag=0
             ;;
             STEXI*|ETEXI*)
             if test $flag -eq 1 ; then
-                echo "line $line: syntax error: expected EQMP, found $str" >&2
+                printf "line %d: syntax error: expected EQMP, found '%s'\n" "$line" "$str" >&2
                 exit 1
             fi
             ;;
             *)
-            test $flag -eq 1 && echo "$str"
+            test $flag -eq 1 && printf '%s\n' "$str"
             ;;
         esac
         line=$((line+1))