allow empty fields in POST data

[cgilite] / cgi.sh

diff --git a/cgi.sh b/cgi.sh
index 124496e0895ed11bce06279906cad9ed2c51c2b7..2a6c93091d82bac3044364b3db96fc5b27b4d32b 100755 (executable)
--- a/cgi.sh
+++ b/cgi.sh
@@ -41,9 +41,9 @@ if [ "$REQUEST_METHOD" = POST ]; then
     val="$(printf %s "$query" |sed -r 's:^([a-zA-Z0-9_-]+)=(.*)$:\2:')"
     value="$(printf "$(printf %s "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g;')")"
     n=''
     val="$(printf %s "$query" |sed -r 's:^([a-zA-Z0-9_-]+)=(.*)$:\2:')"
     value="$(printf "$(printf %s "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g;')")"
     n=''

-    if [ -n "${_POST[$key$n]}" ]; then
+    if [ -n "${_POST[$key$n]+x}" ]; then

       n=0
       n=0

-      while [ -n "${_POST[$key$n]}" ]; do n=$(($n + 1)); done
+      while [ -n "${_POST[$key$n]+x}" ]; do n=$(($n + 1)); done

     fi
     _POST[$key$n]="$value"
     debug "_POST[$key$n] => $value"
     fi
     _POST[$key$n]="$value"
     debug "_POST[$key$n] => $value"