1 files changed, 76 insertions, 0 deletions
diff --git a/src/common.h b/src/common.h
new file mode 100644
index 0000000..93753b6
--- /dev/null
+++ b/src/common.h
@@ -0,0 +1,76 @@
+/**
+ * scrotty — Screenshot program for Linux's TTY
+ * 
+ * Copyright © 2014, 2015  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * 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/>.
+ */
+#define _POSIX_SOURCE
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <alloca.h>
+#include <time.h>
+
+
+#ifdef USE_GETTEXT
+# include <libintl.h>
+# define _(STR)  gettext (STR)
+#else
+# define _(STR)  STR
+#endif
+
+
+#ifndef DEVDIR
+# define DEVDIR  "/dev"
+#endif
+#ifndef SYSDIR
+# define SYSDIR  "/sys"
+#endif
+#ifndef PATH_MAX  /* TODO can we avoid this and still have clean code */
+# define PATH_MAX  4096
+#endif
+
+
+/**
+ * Stores a filename to `failure_file` and goes to the label `fail`.
+ * 
+ * @param  PATH:char *  The file that could not be used.
+ *                      Must be accessible by `main`.
+ */
+#define FILE_FAILURE(PATH)	\
+  do				\
+    {				\
+      failure_file = PATH;	\
+      goto fail;		\
+    }				\
+  while (0)
+
+
+/**
+ * `argv[0]` from `main`.
+ */
+extern const char *execname;
+
+/**
+ * If a function fails when it tries to
+ * open a file, it will set this variable
+ * point to the pathname of that file.
+ */
+extern const char *failure_file;
+