missing help for option -i

[calc.git] / calc.c

diff --git a/calc.c b/calc.c
index b2b3fbf689ac21f655dd99657f7ed38480c1a2dd..8ae39fe58798026b6c18ad6016316134305c264b 100644 (file)
--- a/calc.c
+++ b/calc.c
@@ -37,6 +37,7 @@ int usage (int ret)
     fprintf (fid, "usage: %s\n", progname);
     fprintf (fid, " -h : help message\n");
     fprintf (fid, " -b : in/out-put base (%s)\n", show_base ());
+    fprintf (fid, " -i : input prompt (%s)\n", oprompt);
     fprintf (fid, " -n : no readline mode (%s)\n", mode ? "yes" : "no");
     fprintf (fid, " -n : no readline mode (%s)\n", mode ? "yes" : "no");
     fprintf (fid, " -o : output prompt (%s)\n", oprompt);
@@ -211,13 +212,16 @@ int main (int argc, char *argv[])
 
         if (mode) {
             free (buffer);
+            buffer = NULL;
         } else {
             memset (buffer, 0, BUFFER_SIZE);
         }
         fflush (stdout);
     }
 
-    clean_read_line (buffer);
+    if (mode) {
+        clean_read_line (buffer);
+    }
 
     free_format ();
 
@@ -239,6 +243,7 @@ int main (int argc, char *argv[])
 // test: calc.exe -p 2>&1 | grep -q 'missing precision'
 // test: calc.exe -v 2>&1 | grep -q 'missing verbose'
 // test: echo "1 + 1" | calc.exe -i '# ' | grep -q '# 1 + 1'
+// test: echo "1 + 1" | calc.exe -i '# ' -i 'x ' | grep -q 'x 1 + 1'
 // test: echo "1 + 1" | calc.exe -o '# ' | grep -q '# 2'
 // test: echo "1 + 1" | calc.exe -o '# ' -o 'x ' | grep -q 'x 2'
 // test: echo "1 + 2" | calc.exe | grep -q '=> 3'