1 files changed, 26 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 32c7e96..f57e398 100644
--- a/src/main.c
+++ b/src/main.c
@@ -26,6 +26,32 @@
 #endif
 #include <lib.c>
 #include <url.c>
+#define ABS(x) (((x) < 0) ? -(x) : (x))
+enum sc_return {
+	SC_BADCALL = -1,	/* calling the function the wrong way, I could actually just crash */
+	SC_EMPTYRESPONSE = -2,	/* something weird, do not retry */
+	SC_CAPTCHA = -3,	/* engine responded with a CAPTCHA, redirect to a different server */
+	SC_NOIMGCLASS = -4,	/* couldn't find image class name from definition, do not retry */
+	SC_NOCLASS = -5,	/* couldn't find result class name from def, do not retry */
+	SC_NOHREF = -6		/* a result did not contain a href attribute */
+};
+const char * sc_return_str (enum sc_return r) {
+	switch (r) {
+		case SC_BADCALL:
+			return "SC_BADCALL";
+		case SC_EMPTYRESPONSE:
+			return "SC_EMPTYRESPONSE";
+		case SC_CAPTCHA:
+			return "SC_CAPTCHA";
+		case SC_NOIMGCLASS:
+			return "SC_NOIMGCLASS";
+		case SC_NOCLASS:
+			return "SC_NOCLASS";
+		case SC_NOHREF:
+			return "SC_NOHREF";
+	}
+	return "SC_BADRETURN";
+}
 unsigned char sc_hp[] = { /* html page null terminated format string, from file src/hp.html */
 #include <hp.xxd>
 };