Replace readdir_r with readdir

[platform/upstream/ltrace.git] / options.h

diff --git a/options.h b/options.h
index e1cc823..38f4ecd 100644 (file)
--- a/options.h
+++ b/options.h
@@ -1,5 +1,6 @@
 /*
  * This file is part of ltrace.
+ * Copyright (C) 2012,2013 Petr Machata, Red Hat Inc.
  * Copyright (C) 2009,2010 Joe Damato
  * Copyright (C) 1998,2002,2008 Juan Cespedes
  * Copyright (C) 2006 Ian Wienand
@@ -21,10 +22,15 @@
  * 02110-1301 USA
  */
 
+#ifndef OPTIONS_H
+#define OPTIONS_H
+
 #include <stdio.h>
 #include <sys/types.h>
+#include <sys/time.h>
 
 #include "forward.h"
+#include "vect.h"
 
 struct options_t {
        int align;      /* -a: default alignment column for results */
@@ -39,9 +45,9 @@ struct options_t {
        size_t strlen;     /* default maximum # of bytes printed in strings */
        int follow;     /* trace child processes */
        int no_signals; /* don't print signals */
-#if defined(HAVE_LIBUNWIND)
+#if defined(HAVE_UNWINDER)
        int bt_depth;    /* how may levels of stack frames to show */
-#endif /* defined(HAVE_LIBUNWIND) */
+#endif /* defined(HAVE_UNWINDER) */
        struct filter *plt_filter;
        struct filter *static_filter;
 
@@ -63,15 +69,41 @@ struct opt_p_t {
        struct opt_p_t *next;
 };
 
-struct opt_F_t
-{
-       struct opt_F_t *next;
-       char *filename;
-       int own_filename : 1;
+extern struct opt_p_t *opt_p;  /* attach to process with a given pid */
+
+enum opt_F_kind {
+       OPT_F_UNKNOWN = 0,
+       OPT_F_BROKEN,
+       OPT_F_FILE,
+       OPT_F_DIR,
 };
 
-extern struct opt_p_t *opt_p;  /* attach to process with a given pid */
+struct opt_F_t {
+       char *pathname;
+       int own_pathname : 1;
+       enum opt_F_kind kind : 2;
+};
 
-extern struct opt_F_t *opt_F;  /* alternate configuration file(s) */
+/* If entry->kind is OPT_F_UNKNOWN, figure out whether it should be
+ * OPT_F_FILE or OPT_F_DIR, cache the result, and return it.  Return
+ * OPT_F_BROKEN on failure.  Error message will have been printed in
+ * that case.  */
+enum opt_F_kind opt_F_get_kind(struct opt_F_t *entry);
+
+/* Destroy and release any memory associated with ENTRY (but don't
+ * free ENTRY itself).  */
+void opt_F_destroy(struct opt_F_t *entry);
+
+/* PATHS contains colon-separated list of values, akin to enviroment
+ * variables PATH, PYTHONPATH, and others.  No escaping is possible.
+ * The list is split and added to VEC, which shall be a vector
+ * initialized like VECT_INIT(VEC, struct opt_F_t); Returns 0 on
+ * success or a negative value on failure.  */
+int parse_colon_separated_list(const char *paths, struct vect *vec);
+
+/* Vector of struct opt_F_t.  */
+extern struct vect opt_F;
 
 extern char **process_options(int argc, char **argv);
+
+#endif /* OPTIONS_H */