1 files changed, 56 insertions, 0 deletions
diff --git a/error.h b/error.h
new file mode 100644
index 0000000..715b1a8
--- /dev/null
+++ b/error.h
@@ -0,0 +1,56 @@
+#ifndef REPREPRO_ERROR_H
+#define REPREPRO_ERROR_H
+
+#ifndef REPREPRO_GLOBALS_H
+#include "globals.h"
+#endif
+
+bool interrupted(void);
+
+/* retvalue is simply an int.
+ * just named to show it follows the given semantics */
+/*@numabstract@*/ enum retvalue_enum {
+	DB_MALFORMED_KEY = -30001,
+	RET_ERROR_INCOMING_DENY = -13,
+	RET_ERROR_INTERNAL = -12,
+	RET_ERROR_BZ2 = -11,
+	RET_ERROR_Z = -10,
+	RET_ERROR_INTERRUPTED = -9,
+	RET_ERROR_UNKNOWNFIELD = -8,
+	RET_ERROR_MISSING = -7,
+	RET_ERROR_BADSIG = -6,
+	RET_ERROR_GPGME = -5,
+	RET_ERROR_EXIST = -4,
+	RET_ERROR_OOM = -3,
+	RET_ERROR_WRONG_MD5 = -2,
+	RET_ERROR = -1,
+	RET_NOTHING = 0,
+	RET_OK  = 1
+};
+typedef enum retvalue_enum retvalue;
+
+#define FAILEDTOALLOC(x) unlikely(x == NULL)
+
+#define RET_IS_OK(r) likely((r) == RET_OK)
+#define RET_WAS_NO_ERROR(r) likely((r) >= (retvalue)0)
+#define RET_WAS_ERROR(r) unlikely((r) < (retvalue)0)
+
+/* update a return value, so that it contains the first error-code
+ * and otherwise is RET_OK, if anything was RET_OK */
+#define RET_UPDATE(ret, update) { if ((update)!=RET_NOTHING && RET_WAS_NO_ERROR(ret)) ret=update;}
+
+/* like RET_UPDATE, but RET_ENDUPDATE(RET_NOTHING, RET_OK) keeps RET_NOTHING */
+#define RET_ENDUPDATE(ret, update) {if (RET_WAS_ERROR(update) && RET_WAS_NO_ERROR(ret)) ret=update;}
+
+/* code a errno in a error */
+#define RET_ERRNO(err) ((err>0)?((retvalue)-err):RET_ERROR)
+
+/* code a db-error in a error */
+// TODO: to be implemented...
+#define RET_DBERR(e) RET_ERROR
+
+#define ASSERT_NOT_NOTHING(r) {assert (r != RET_NOTHING); if (r == RET_NOTHING) r = RET_ERROR_INTERNAL;}
+
+#define EXIT_RET(ret) (RET_WAS_NO_ERROR(ret)?((nothingiserror&&ret==RET_NOTHING)?EXIT_FAILURE:EXIT_SUCCESS):(int)ret)
+
+#endif