Changeset 30614 for trunk/Ohana/src/opihi/lib.shell/expand_vars.c

Timestamp:

Feb 13, 2011, 11:28:01 AM (15 years ago)

Author:

eugene

Message:

add += and -= to opihi; allow 0 length vectors; fix mem leak in some binary math operations; check and handle some error cases in command.c

File:

• trunk/Ohana/src/opihi/lib.shell/expand_vars.c (modified) (1 diff)

trunk/Ohana/src/opihi/lib.shell/expand_vars.c

@@ -64 +64 @@
     /* variable assignment (skip these variables) */
     if ((L == line) && (V1 != NULL)) {
-      if ((*V1 == '=') || !strcmp (V1, "++") || !strcmp (V1, "--")) {
+      int isAssignment;
+
+      isAssignment = FALSE;
+      isAssignment |= (V1[0] == '=');
+      isAssignment |= (V1[0] == '+') && (V1[1] == '=');
+      isAssignment |= (V1[0] == '-') && (V1[1] == '=');
+      isAssignment |= (V1[0] == '+') && (V1[1] == '+');
+      isAssignment |= (V1[0] == '-') && (V1[1] == '-');
+
+      if (isAssignment) {
         *N = *L;
         free (V0);