From b9a8399219b6b8d86d7eca91c4e2cee735995a8a Mon Sep 17 00:00:00 2001
From: dscho <dscho>
Date: Wed, 14 Nov 2001 15:12:40 +0000
Subject: separated argument handling from main.c

---
 cargs.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 cargs.c

diff --git a/cargs.c b/cargs.c
new file mode 100644
index 0000000..134c356
--- /dev/null
+++ b/cargs.c
@@ -0,0 +1,114 @@
+/*
+ *  This parses the command line arguments. It was seperated from main.c by 
+ *  Justin Dearing <jdeari01@longisland.poly.edu>.
+ */
+
+/*
+ *  LibVNCServer (C) 2001 Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
+ *  Original OSXvnc (C) 2001 Dan McGuirk <mcguirk@incompleteness.net>.
+ *  Original Xvnc (C) 1999 AT&T Laboratories Cambridge.  
+ *  All Rights Reserved.
+ *
+ *  see GPL (latest version) for full details
+ */
+
+#include "rfb.h"
+
+void
+rfbUsage(void)
+{
+    fprintf(stderr, "-rfbport port          TCP port for RFB protocol\n");
+    fprintf(stderr, "-rfbwait time          max time in ms to wait for RFB client\n");
+    fprintf(stderr, "-rfbauth passwd-file   use authentication on RFB protocol\n"
+                    "                       (use 'storepasswd' to create a password file)\n");
+    fprintf(stderr, "-deferupdate time      time in ms to defer updates "
+                                                             "(default 40)\n");
+    fprintf(stderr, "-desktop name          VNC desktop name (default \"LibVNCServer\")\n");
+    fprintf(stderr, "-alwaysshared          always treat new clients as shared\n");
+    fprintf(stderr, "-nevershared           never treat new clients as shared\n");
+    fprintf(stderr, "-dontdisconnect        don't disconnect existing clients when a "
+                                                             "new non-shared\n"
+                    "                       connection comes in (refuse new connection "
+                                                                "instead)\n");
+    exit(1);
+}
+
+void 
+rfbProcessArguments(rfbScreenInfoPtr rfbScreen,int* argc, char *argv[])
+{
+    int i,i1;
+
+    for (i = i1 = 1; i < *argc; i++) {
+        if (strcmp(argv[i], "-help") == 0) {
+	    rfbUsage();
+	    exit(1);
+	} else if (strcmp(argv[i], "-rfbport") == 0) { /* -rfbport port */
+            if (i + 1 >= *argc) rfbUsage();
+	   rfbScreen->rfbPort = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-rfbwait") == 0) {  /* -rfbwait ms */
+            if (i + 1 >= *argc) rfbUsage();
+	   rfbScreen->rfbMaxClientWait = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-rfbauth") == 0) {  /* -rfbauth passwd-file */
+            if (i + 1 >= *argc) rfbUsage();
+            rfbScreen->rfbAuthPasswdData = argv[++i];
+        } else if (strcmp(argv[i], "-deferupdate") == 0) {  /* -desktop desktop-name */
+            if (i + 1 >= *argc) rfbUsage();
+            rfbScreen->rfbDeferUpdateTime = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-desktop") == 0) {  /* -desktop desktop-name */
+            if (i + 1 >= *argc) rfbUsage();
+            rfbScreen->desktopName = argv[++i];
+        } else if (strcmp(argv[i], "-alwaysshared") == 0) {
+	    rfbScreen->rfbAlwaysShared = TRUE;
+        } else if (strcmp(argv[i], "-nevershared") == 0) {
+            rfbScreen->rfbNeverShared = TRUE;
+        } else if (strcmp(argv[i], "-dontdisconnect") == 0) {
+            rfbScreen->rfbDontDisconnect = TRUE;
+        } else if (strcmp(argv[i], "-width") == 0) {
+               rfbScreen->width = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-height") == 0) {
+               rfbScreen->height = atoi(argv[++i]);
+        } else {
+	    /* we just remove the processed arguments from the list */
+	    if(i != i1) {
+	        memmove(argv+i1,argv+i,sizeof(char*)*(*argc-i));
+		*argc -= i-i1;
+	    }
+	    i1++;
+	    i = i1-1;
+        }
+    }
+    *argc -= i-i1;
+}
+
+void rfbSizeUsage()
+{
+    fprintf(stderr, "-width                 sets the width of the framebuffer\n");
+    fprintf(stderr, "-height                sets the height of the framebuffer\n");
+    exit(1);
+}
+
+void 
+rfbProcessSizeArguments(int* width,int* height,int* bpp,int* argc, char *argv[])
+{
+    int i,i1;
+
+    for (i = i1 = 1; i < *argc-1; i++) {
+        if (strcmp(argv[i], "-bpp") == 0) {
+               *bpp = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-width") == 0) {
+               *width = atoi(argv[++i]);
+        } else if (strcmp(argv[i], "-height") == 0) {
+               *height = atoi(argv[++i]);
+        } else {
+	    /* we just remove the processed arguments from the list */
+	    if(i != i1) {
+	        memmove(argv+i1,argv+i,sizeof(char*)*(*argc-i));
+		*argc -= i-i1;
+	    }
+	    i1++;
+	    i = i1-1;
+        }
+    }
+    *argc -= i-i1;
+}
+
-- 
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