replace asserts with error returns

gmid.h

@@ -34,7 +34,6 @@
 #include <time.h>
 #include <tls.h>
 #include <unistd.h>
-#include <assert.h>
 
 #include <openssl/x509.h>
 
@@ -60,8 +59,6 @@
 
 #define GMID_VERSION	"gmid/" VERSION
 
-#define ASSERT_MSG(expr, msg) assert(((void)msg, (expr)))
-
 #define GEMINI_URL_LEN (1024+3)	/* URL max len + \r\n + \0 */
 
 #define SUCCESS		20

proxy-proto.c

@@ -159,15 +159,16 @@ proxy_proto_v1_parse(struct proxy_protocol_v1 *s, char *buf, size_t buflen,
 			return (-1);
 		break;
 
-	default: 
-		ASSERT_MSG(0, "unimplemented");
+	default:
+		return (-1);
 	}
 
 	if (check_port_v1(&s->srcport, &buf, &buflen) == -1 ||
 	    check_port_v1(&s->dstport, &buf, &buflen) == -1)
 		return (-1);
 
-	assert('\n' == *buf);
+	if (*buf != '\n')
+		return (-1);
 	buf += 1;
 
 	*consumed = buf - begin;

server.c

@@ -19,7 +19,6 @@
 #include <sys/stat.h>
 #include <sys/un.h>
 
-#include <assert.h>
 #include <ctype.h>
 #include <errno.h>
 #include <event.h>