maint: factor the handling of %printer and %destructor

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index e5d1faa362e06da8fdedf5bcce90f3411468da5d..82e4e356064263a08274f90e6f4488d002994860 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -40,6 +40,8 @@
 # undef HACK_FOR___GNU_LIBRARY___PROTOTYPE
 #endif
 
+#include <progname.h>
+
 #include "complain.h"
 #include "files.h"
 #include "getargs.h"
@@ -75,8 +77,6 @@ int language_prio = default_prio;
 struct bison_language const *language = &valid_languages[0];
 const char *include = NULL;
 
-char *program_name;
-
 
 /** Decode an option's set of keys.
  *
@@ -102,7 +102,7 @@ flags_argmatch (const char *option,
       args = strtok (args, ",");
       while (args)
         {
-          int no = strncmp (args, "no-", 3) == 0 ? 3 : 0;
+          int no = STRPREFIX_LIT ("no-", args) ? 3 : 0;
           int value = XARGMATCH (option, args + no, keys, values);
           if (value == 0)
             {
@@ -559,7 +559,7 @@ getargs (int argc, char *argv[])
       case 'F': /* -FNAME[=VALUE]. */
         {
           char* name = optarg;
-          char* value = mbschr (optarg, '=');
+          char* value = strchr (optarg, '=');
           if (value)
             *value++ = 0;
           muscle_percent_define_insert (name, command_line_location (),
@@ -603,13 +603,19 @@ getargs (int argc, char *argv[])
         /* Here, the -d and --defines options are differentiated.  */
         defines_flag = true;
         if (optarg)
-          spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_defines_file);
+            spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          }
         break;
 
       case 'g':
         graph_flag = true;
         if (optarg)
-          spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_graph_file);
+            spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          }
         break;
 
       case 'h':
@@ -648,7 +654,10 @@ getargs (int argc, char *argv[])
       case 'x':
         xml_flag = true;
         if (optarg)
-          spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_xml_file);
+            spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          }
         break;
 
       case 'y':
@@ -665,10 +674,11 @@ getargs (int argc, char *argv[])
         exit (EXIT_SUCCESS);
 
       case PRINT_DATADIR_OPTION:
-        printf ("%s\n", compute_pkgdatadir ());
+        printf ("%s\n", pkgdatadir ());
         exit (EXIT_SUCCESS);
 
       case REPORT_FILE_OPTION:
+        free (spec_verbose_file);
         spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
         break;