Add Makefile, Add test

.gitignore

@@ -0,0 +1,5 @@
+*.d
+*.o
+*.obj
+*.exe
+*.out

Makefile

@@ -0,0 +1,49 @@
+SHELL := /bin/bash
+
+CC = gcc -std=gnu99
+RM = rm -f
+CFLAGS_DEBUG=-O0 -ggdb3 -Wall -Werror -pedantic -D_FORTIFY_SOURCE=2 -fasynchronous-unwind-tables -grecord-gcc-switches -Werror=implicit-function-declaration -I.
+CFLAGS=-O2 -Wall -Werror -pedantic -I.
+
+TESTS_SRC = $(wildcard test/*.c)
+EXECS_SRC = $(wildcard zaqar/*.c)
+DEPS_SRC = $(wildcard lib/*.c)
+
+DEPS_OBJ = $(DEPS_SRC:.c=.o)
+TESTS_OBJ = $(DEPS_OBJ) \
+	$(TESTS_SRC:.c=.o)
+EXECS_OBJ = $(DEPS_OBJ) \
+	$(EXECS_SRC:.c=.o)
+ALL_OBJ = $(DEPS_OBJ) \
+	$(TESTS_SRC:.c=.o) \
+	$(EXECS_SRC:.c=.o)
+
+DEPS_TRACK = $(OBJ:.o=.d)
+
+TESTS = test/test_circ_buff
+EXECUTABLES = zaqar
+
+.PHONY: all
+
+all: $(TESTS) $(EXECUTABLES)
+execs: $(EXECUTABLES)
+tests: $(TESTS)
+
+$(TESTS): $(TESTS_OBJ)
+	$(CC) -o $@ $^ $(CFLAGS)
+
+$(EXECUTABLES): $(EXECS_OBJ)
+	$(CC) -o $@ $^ $(CFLAGS)
+
+-include $(DEPS_TRACK)
+
+%.d: %.c
+	@$(CPP) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@
+
+.PHONY: clean
+clean:
+	rm -f $(ALL_OBJ) $(TESTS) $(EXECUTABLES)
+
+.PHONY: cleandep
+cleandep:
+	rm -f $(DEPS_TRACK)

lib/circ_buff.c

@@ -90,7 +90,7 @@ size_t circ_buf_capacity(cbuf_handle_t cbuf) {
 	return cbuf->max;
 }
 
-void circ_buf_put(cbuf_handle_t cbuf, char data) {
+void circ_buf_put(cbuf_handle_t cbuf, char* data) {
 	assert(cbuf && cbuf->buffer);
 
 	strcpy(cbuf->buffer[cbuf->head], data);

lib/circ_buff.h

@@ -24,7 +24,7 @@ void circ_buf_free(cbuf_handle_t cbuf);
 void circ_buf_reset(cbuf_handle_t cbuf);
 
 // Adds data, even if the buffer is full. Old data is overwritten.
-void circ_buf_put(cbuf_handle_t cbuf, char data);
+void circ_buf_put(cbuf_handle_t cbuf, char* data);
 
 // Retrieves a value from the buffer.
 int circ_buf_get(cbuf_handle_t cbuf, char* data);

test/test_circ_buff.c

@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "../lib/circ_buff.h"
+
+#define BUFFER_SIZE 8
+#define BUFFER_ELEMENT_SIZE 278
+
+void print_buff_status(cbuf_handle_t circ_buf);
+
+int main(void) {
+	// Creates and initializes a buffer
+	char** buffer = (char **) malloc(BUFFER_SIZE * sizeof(char *));
+	for (uint8_t buff_el = 0; buff_el < BUFFER_SIZE; ++buff_el) {
+		buffer[buff_el] = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
+	}
+
+	printf("===== C Circular Buffer Check\n\n");
+
+	cbuf_handle_t circ_buf = circ_buf_init(buffer, BUFFER_SIZE);
+
+	printf("Buffer initialized.\n");
+	print_buff_status(circ_buf);
+
+	printf("\n===== Adding %d values\n", BUFFER_SIZE - 1);
+	for(uint8_t i = 0; i < (BUFFER_SIZE - 1); i++) {
+		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
+		snprintf(temp, BUFFER_ELEMENT_SIZE, "string_%d", i);
+
+		circ_buf_put(circ_buf, temp);
+		printf("Added %u, Size now: %zu\n", i, circ_buf_size(circ_buf));
+	}
+
+	print_buff_status(circ_buf);
+
+	printf("\n===== Adding %d values\n", BUFFER_SIZE);
+	for(uint8_t i = 0; i < BUFFER_SIZE; i++) {
+		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
+		snprintf(temp, BUFFER_ELEMENT_SIZE, "string_%d", BUFFER_SIZE - 1 + i);
+
+		circ_buf_put(circ_buf, temp);
+		printf("Added %u, Size now: %zu\n", i, circ_buf_size(circ_buf));
+	}
+
+	print_buff_status(circ_buf);
+
+	printf("\n===== Reading back values:\n");
+	while(!circ_buf_empty(circ_buf)) {
+		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
+		circ_buf_get(circ_buf, temp);
+		printf("%s ", temp);
+	}
+	printf("\n");
+
+	print_buff_status(circ_buf);
+
+	printf("\n===== Test done, cleaning up\n");
+
+	free(buffer);
+	circ_buf_free(circ_buf);
+
+	return 0;
+}
+
+void print_buff_status(cbuf_handle_t circ_buf) {
+	printf("Full: %d, empty: %d, size: %zu\n",
+		circ_buf_full(circ_buf),
+		circ_buf_empty(circ_buf),
+		circ_buf_size(circ_buf));
+}