a3: Grundgerüst

.gitignore

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+# Created by .ignore support plugin (hsz.mobi)
+.idea
+bin
+cmake-build-debug

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.3)
+project(Hardwarenahe_Programmierung)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c14")
+SET(CMAKE_BUILD_TYPE Debug)
+
+# These are the corresponding output paths
+set (EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin)
+set (LIBRARY_OUTPUT_PATH ${EXECUTABLE_OUTPUT_PATH})
+
+add_subdirectory(src/c)

src/c/CMakeLists.txt

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+add_executable(a3 a3.c)

src/c/a3.c

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+#include "a3.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+void memdump(unsigned char *string) {
+
+}
+
+
+int memreplace(char *string, char cin, char cout, char **caddr) {
+
+}
+
+int main(int argc, char **argv) {
+    if(argc <= 3) {
+        printf("Not enough arguments");
+        return -1;
+    }
+
+
+    memdump((unsigned char*)argv[1]);
+    char **lastAddress;
+    int count = memreplace(argv[1], *argv[2], *argv[3], 0);
+
+    printf("Laenge der Zeichenkette (inkl \\0): %i Bytes\n", sizeof(argv[1]));
+    printf("Ersetzen: '%c' mit '%c'\n", *argv[2], *argv[3]);
+    printf("Suchzeichen wurde %i mal gefunden und ersetzt\n", count);
+    printf("zuletzt an Addresse 0x%lx \n", (unsigned long) (&lastAddress));
+    memdump((unsigned char*)argv[1]);
+}

src/c/a3.h

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+void mempdump(unsigned char *string);
+int memreplace(char *string, char cin, char cout, char **caddr);