1 files changed, 123 insertions, 0 deletions
diff --git a/help-args.c b/help-args.c
new file mode 100644
index 0000000..15b92b2
--- /dev/null
+++ b/help-args.c
@@ -0,0 +1,123 @@
+/*
+ * nvidia-installer: A tool for installing NVIDIA software packages on
+ * Unix and Linux systems.
+ *
+ * Copyright (C) 2003-2009 NVIDIA Corporation
+ *
+ * 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 of the
+ * License, 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, Inc.
+ *      59 Temple Place - Suite 330
+ *      Boston, MA 02111-1307, USA
+ *
+ *
+ * help-args.c: this file contains a utility function that outputs the
+ * option table in a human readable format.
+ */
+
+#include <ctype.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "string-utils.h"
+#include "alloc-utils.h"
+#include "nvidia-installer.h"
+#include "format.h"
+
+#include "option_table.h"
+
+/*
+ * cook_description() - the description string may contain text
+ * within brackets, which is used by the manpage generator
+ * to denote text to be italicized.  We want to omit the bracket
+ * characters here.
+ */
+
+static char *cook_description(const char *description)
+{
+    int len;
+    char *s, *dst;
+    const char *src;
+
+    len = strlen(description);
+    s = nvalloc(len + 1);
+
+    for (src = description, dst = s; *src; src++) {
+        if (*src != '[' && (*src != ']')) {
+            *dst = *src;
+            dst++;
+        }
+    }
+
+    *dst = '\0';
+
+    return s;
+
+} /* cook_description() */
+
+
+
+void print_help_args_only(int args_only, int advanced)
+{
+    int i, j, len;
+    char *msg, *tmp, scratch[64];
+    const NVOption *o;
+
+    /*
+     * the args_only parameter is used by makeself.sh to get our
+     * argument list and description; in this case we don't
+     * want to format to the width of the terminal, so hardcode
+     * the width to 65.
+     */
+    if (args_only) reset_current_terminal_width(65);
+
+    for (i = 0; __options[i].name; i++) {
+        o = &__options[i];
+
+        /*
+         * if non-advanced help is requested, and the ALWAYS flag is
+         * not set, then skip this option
+         */
+
+        if (!advanced && !(o->flags & OPTION_HELP_ALWAYS)) continue;
+
+        /* Skip options with no help text */
+        if (!o->description) continue;
+
+        if (o->flags & NVOPT_IS_BOOLEAN) {
+            msg = nvstrcat("--", o->name, "/--no-", o->name, NULL);
+        } else if (isalnum(o->val)) {
+            sprintf(scratch, "%c", o->val);
+            msg = nvstrcat("-", scratch, ", --", o->name, NULL);
+        } else {
+            msg = nvstrcat("--", o->name, NULL);
+        }
+        if (o->flags & NVOPT_HAS_ARGUMENT) {
+            len = strlen(o->name);
+            for (j = 0; j < len; j++) scratch[j] = toupper(o->name[j]);
+            scratch[len] = '\0';
+            tmp = nvstrcat(msg, "=", scratch, NULL);
+            nvfree(msg);
+            msg = tmp;
+        }
+        fmtoutp(TAB, msg);
+        if (o->description) {
+            tmp = cook_description(o->description);
+            fmtoutp(BIGTAB, tmp);
+            nvfree(tmp);
+        }
+        fmtout("");
+        nvfree(msg);
+    }
+}