Fix a crash while enabling shared (--enable-shared)

[profile/ivi/libvpx.git] / args.c

diff --git a/args.c b/args.c
index 0b9772b..7b2cc3a 100644 (file)
--- a/args.c
+++ b/args.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
@@ -120,9 +120,13 @@ void arg_show_usage(FILE *fp, const struct arg_def *const *defs)
         char *long_val = def->has_val ? "=<arg>" : "";
 
         if (def->short_name && def->long_name)
-            snprintf(option_text, 37, "-%s%s, --%s%s",
-                     def->short_name, short_val,
+        {
+            char *comma = def->has_val ? "," : ",      ";
+
+            snprintf(option_text, 37, "-%s%s%s --%s%6s",
+                     def->short_name, short_val, comma,
                      def->long_name, long_val);
+        }
         else if (def->short_name)
             snprintf(option_text, 37, "-%s%s",
                      def->short_name, short_val);
@@ -131,6 +135,17 @@ void arg_show_usage(FILE *fp, const struct arg_def *const *defs)
                      def->long_name, long_val);
 
         fprintf(fp, "  %-37s\t%s\n", option_text, def->desc);
+
+        if(def->enums)
+        {
+            const struct arg_enum_list *listptr;
+
+            fprintf(fp, "  %-37s\t  ", "");
+
+            for(listptr = def->enums; listptr->name; listptr++)
+                fprintf(fp, "%s%s", listptr->name,
+                        listptr[1].name ? ", " : "\n");
+        }
     }
 }
 
@@ -214,3 +229,37 @@ struct vpx_rational arg_parse_rational(const struct arg *arg)
 
     return rat;
 }
+
+
+int arg_parse_enum(const struct arg *arg)
+{
+    const struct arg_enum_list *listptr;
+    long int                    rawval;
+    char                       *endptr;
+
+    /* First see if the value can be parsed as a raw value */
+    rawval = strtol(arg->val, &endptr, 10);
+    if (arg->val[0] != '\0' && endptr[0] == '\0')
+    {
+        /* Got a raw value, make sure it's valid */
+        for(listptr = arg->def->enums; listptr->name; listptr++)
+            if(listptr->val == rawval)
+                return rawval;
+    }
+
+    /* Next see if it can be parsed as a string */
+    for(listptr = arg->def->enums; listptr->name; listptr++)
+        if(!strcmp(arg->val, listptr->name))
+            return listptr->val;
+
+    die("Option %s: Invalid value '%s'\n", arg->name, arg->val);
+    return 0;
+}
+
+
+int arg_parse_enum_or_int(const struct arg *arg)
+{
+    if(arg->def->enums)
+        return arg_parse_enum(arg);
+    return arg_parse_int(arg);
+}