Built SDL2_image and _mixer static

libsdl2_mixer/timidity/common.c

@@ -0,0 +1,123 @@
+/*
+
+    TiMidity -- Experimental MIDI to WAVE converter
+    Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the Perl Artistic License, available in COPYING.
+
+    common.c
+*/
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "SDL.h"
+
+#include "options.h"
+#include "common.h"
+
+/* The paths in this list will be tried whenever we're reading a file */
+static PathList *pathlist = NULL; /* This is a linked list */
+
+/* This is meant to find and open files for reading */
+SDL_RWops *open_file(const char *name)
+{
+  SDL_RWops *rw;
+
+  if (!name || !(*name))
+    {
+      SNDDBG(("Attempted to open nameless file.\n"));
+      return 0;
+    }
+
+  /* First try the given name */
+
+  SNDDBG(("Trying to open %s\n", name));
+  if ((rw = SDL_RWFromFile(name, "rb")))
+    return rw;
+
+  if (name[0] != PATH_SEP)
+  {
+    char current_filename[1024];
+    PathList *plp = pathlist;
+    size_t l;
+
+    while (plp)  /* Try along the path then */
+      {
+	*current_filename = 0;
+	l = strlen(plp->path);
+	if(l)
+	  {
+	    strcpy(current_filename, plp->path);
+	    if(current_filename[l - 1] != PATH_SEP)
+	    {
+	      current_filename[l] = PATH_SEP;
+	      current_filename[l + 1] = '\0';
+	    }
+	  }
+	strcat(current_filename, name);
+	SNDDBG(("Trying to open %s\n", current_filename));
+	if ((rw = SDL_RWFromFile(current_filename, "rb")))
+	  return rw;
+	plp = plp->next;
+      }
+  }
+  
+  /* Nothing could be opened. */
+  SNDDBG(("Could not open %s\n", name));
+  return 0;
+}
+
+/* This'll allocate memory or die. */
+void *safe_malloc(size_t count)
+{
+  void *p;
+
+  p = malloc(count);
+  if (p == NULL) {
+    SNDDBG(("Sorry. Couldn't malloc %d bytes.\n", count));
+  }
+
+  return p;
+}
+
+/* This adds a directory to the path list */
+void add_to_pathlist(const char *s)
+{
+  PathList *plp = safe_malloc(sizeof(PathList));
+
+  if (plp == NULL)
+      return;
+
+  plp->path = safe_malloc(strlen(s) + 1);
+  if (plp->path == NULL)
+  {
+      free(plp);
+      return;
+  }
+
+  strcpy(plp->path, s);
+  plp->next = pathlist;
+  pathlist = plp;
+}
+
+void free_pathlist(void)
+{
+    PathList *plp = pathlist;
+    PathList *next;
+
+    while (plp)
+    {
+	next = plp->next;
+	free(plp->path);
+	free(plp);
+	plp = next;
+    }
+    pathlist = NULL;
+}