[gcalctool] Fix memory leak and failure to quit in gcalccmd

[Robert Ancell <rancell src gnome org>]

commit d58f374207c2cd259b63a151402d1899555e3175
Author: Robert Ancell <robert ancell gmail com>
Date:   Tue Apr 6 14:46:57 2010 +1000

    Fix memory leak and failure to quit in gcalccmd

 src/gcalccmd.c |   23 +++++++++++------------
 1 files changed, 11 insertions(+), 12 deletions(-)
---
diff --git a/src/gcalccmd.c b/src/gcalccmd.c
index d2d5d8b..64f3330 100644
--- a/src/gcalccmd.c
+++ b/src/gcalccmd.c
@@ -79,21 +79,20 @@ main(int argc, char **argv)
     /* Seed random number generator. */
     srand48((long) time((time_t *) 0));
 
+    equation = (char *) malloc(MAXLINE * sizeof(char));
     while (1) {
         printf("> ");
-        equation = (char *) malloc(MAXLINE * sizeof(char));
         bytes_read = getline(&equation, &nbytes, stdin);
-
-        if (bytes_read != -1) {
+      
+        if (bytes_read >= 0)
             str_adjust(equation);
-            if (!strcmp(equation, "exit") || !strcmp(equation, "quit") ||
-                strlen(equation) == 0) {
-                printf("\n");
-                exit(1);
-            } else {
-                solve(equation);
-                free(equation);
-            }
-        }
+
+        if (bytes_read < 0 || strcmp(equation, "exit") == 0 || strcmp(equation, "quit") == 0 || strlen(equation) == 0)
+            break;
+
+        solve(equation);
     }
+    free(equation);
+
+    return 0;
 }