fix assert

CMakeLists.txt

@@ -4,11 +4,15 @@ project(ke C)  # Specify C language explicitly
 set(CMAKE_C_STANDARD 99)
 set(KE_VERSION "1.0.0")
 
+set(CMAKE_C_FLAGS "-Wall -Wextra -pedantic -Wshadow -Werror -std=c99 -g")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_DEFAULT_SOURCE -D_XOPEN_SOURCE")
+
+
 # Add executable
 add_executable(ke main.c)
 
 # Define KE_VERSION for use in C code (e.g., #define KE_VERSION)
-target_compile_definitions(ke PRIVATE KE_VERSION="${KE_VERSION}")
+target_compile_definitions(ke PRIVATE KE_VERSION="ke version ${KE_VERSION}")
 
 # Set output properties
 set_target_properties(ke PROPERTIES

main.c

@@ -229,7 +229,7 @@ ab_append(struct abuf *buf, const char *s, int len)
 	char		*nc = buf->b;
 	int		 sz;
 
-	assert((delta <= 0 && buf->len < INT_MAX - delta));
+	assert((delta >= 0 && buf->len < INT_MAX - delta));
 	sz = buf->len + delta;
 
 	if (sz >= buf->cap) {