WIP island determination; pixmap handling in progress

[ypp-sc-tools.main.git] / pctb / common.c

diff --git a/pctb/common.c b/pctb/common.c
new file mode 100644 (file)
index 0000000..7fa5b44
--- /dev/null
+++ b/pctb/common.c
@@ -0,0 +1,57 @@
+/*
+ * Utility functions
+ */
+/*
+ *  This is part of ypp-sc-tools, a set of third-party tools for assisting
+ *  players of Yohoho Puzzle Pirates.
+ * 
+ *  Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * 
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ * 
+ *  Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ *  are used without permission.  This program is not endorsed or
+ *  sponsored by Three Rings.
+ */
+
+#include "common.h"
+
+#define dbassert(x)                                                    \
+  ((x) ? (void)0 :                                                     \
+     fatal("Error in database.\n"                                      \
+          " Requirement not met: %s:%d: %s", __FILE__,__LINE__, #x))
+
+void fgetsline(FILE *f, char *lbuf, size_t lbufsz) {
+  errno=0;
+  char *s= fgets(lbuf,lbufsz,f);
+  sysassert(!ferror(f));
+  dbassert(!feof(f));
+  assert(s);
+  int l= strlen(lbuf);
+  dbassert(l>0);  dbassert(lbuf[--l]='\n');
+  lbuf[l]= 0;
+}
+
+void *mmalloc(size_t sz) {
+  void *r;
+  if (!sz) return 0;
+  sysassert( r= malloc(sz) );
+  return r;
+}
+void *mrealloc(void *p, size_t sz) {
+  assert(sz);
+  void *r;
+  sysassert( r= realloc(p,sz) );
+  return r;
+}