Added support functions BuildCmdLine and my_system to utilities

[fw/sdcc] / support / Util / BuildCmd.c

diff --git a/support/Util/BuildCmd.c b/support/Util/BuildCmd.c
new file mode 100644 (file)
index 0000000..2d0b051
--- /dev/null
+++ b/support/Util/BuildCmd.c
@@ -0,0 +1,90 @@
+/*-------------------------------------------------------------------------
+  BuildCmd - SDCC Support function
+
+             Written By -  Sandeep Dutta . sandeep.dutta@usa.net (1999)
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!
+-------------------------------------------------------------------------*/
+
+/*! Build a command line with parameter substitution
+*/
+
+#include <string.h>
+#include <assert.h>
+
+void
+buildCmdLine (char *into, const char **cmds,
+             const char *p1, const char *p2,
+             const char *p3, const char **list)
+{
+  const char *p, *from;
+
+  *into = '\0';
+
+  while (*cmds)
+    {
+      from = *cmds;
+      cmds++;
+
+      /* See if it has a '$' anywhere - if not, just copy */
+      if ((p = strchr (from, '$')))
+       {
+         strncat (into, from, p - from);
+         /* seperate it */
+         strcat (into, " ");
+         from = p + 2;
+         p++;
+         switch (*p)
+           {
+           case '1':
+             if (p1)
+               strcat (into, p1);
+             break;
+           case '2':
+             if (p2)
+               strcat (into, p2);
+             break;
+           case '3':
+             if (p3)
+               strcat (into, p3);
+             break;
+           case 'l':
+             {
+               const char **tmp = list;
+               if (tmp)
+                 {
+                   while (*tmp)
+                     {
+                       strcat (into, *tmp);
+                       strcat (into, " ");
+                       tmp++;
+                     }
+                 }
+               break;
+             }
+           default:
+             assert (0);
+           }
+       }
+      strcat (into, from);     // this includes the ".asm" from "$1.asm"
+
+      strcat (into, " ");
+    }
+}
+