init ci

.gitignore

@@ -0,0 +1,2 @@
+/logs/messages
+/bin

.vscode/c_cpp_properties.json

@@ -0,0 +1,17 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/usr/include/lua5.4"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17",
+            "intelliSenseMode": "linux-gcc-x64"
+        }
+    ],
+    "version": 4
+}

.vscode/launch.json

@@ -0,0 +1,34 @@
+{
+    "configurations": [
+        {
+            "name": "messages",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${fileDirname}/bin/${fileBasenameNoExtension}",
+            "args": [
+                "${fileDirname}/lua/messages.lua",
+                "${fileDirname}/logs/messages"
+            ],
+            "stopAtEntry": false,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Automatische Strukturierung und Einrückung für gdb aktivieren",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Disassemblierungsvariante auf Intel festlegen",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "C/C++: gcc Aktive Datei kompilieren",
+            "miDebuggerPath": "/usr/bin/gdb"
+        }
+    ],
+    "version": "2.0.0"
+}

.vscode/tasks.json

@@ -0,0 +1,30 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: gcc Aktive Datei kompilieren",
+            "command": "/usr/bin/gcc",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-I/usr/include/lua5.4",
+                "-g",
+                "${file}",
+                "-llua5.4",
+                "-o",
+                "${fileDirname}/bin/${fileBasenameNoExtension}"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Vom Debugger generierte Aufgabe."
+        }
+    ],
+    "version": "2.0.0"
+}

logfoo.c

@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#define EXIT_LOGFILE_HANDLING 2
+#define EXIT_LUAFILE_HANDLING 3
+
+void trim(char *string) {
+    if (strlen(string) > 0 && string[strlen(string) - 1] == '\n') {
+        string[strlen(string) - 1] = '\0';
+        trim(string);
+    }
+}
+
+int main(int argc, char *argv[]) {
+    if (argc != 3) {
+        fprintf(stderr, "Usage: %s <lua file> <log file>\n", argv[0]);
+        return 1;
+    }
+
+    int status;
+    char *logfile = argv[2];
+    char *luafile = argv[1];
+    char *line = NULL;
+    size_t len = 0;
+    ssize_t read;
+    FILE *fp;
+    lua_State *L;
+    L = luaL_newstate();
+    luaL_openlibs(L);
+
+    fp = fopen(logfile, "r");
+    if (errno) {
+        fprintf(stderr, "Error opening file %s: %s\n", logfile, strerror(errno));
+        return EXIT_LOGFILE_HANDLING;
+    }
+
+    status = luaL_dofile(L, luafile);
+    if (status) {
+        fprintf(stderr, "Error reading LUA file %s: %s\n", luafile, lua_tostring(L, -1));
+        return EXIT_LUAFILE_HANDLING;
+    }
+
+    while ((read = getline(&line, &len, fp)) != -1) {
+        trim(line);
+
+        lua_getglobal(L, "format");
+        lua_pushlstring(L, line, read);
+        if (lua_pcall(L, 1, 1, 0) != 0) {
+            fprintf(stderr, "Error running LUA function 'format': %s\n", lua_tostring(L, -1));
+            return EXIT_LUAFILE_HANDLING;
+        }
+        printf("%s\n", lua_tostring(L, -1));
+        lua_pop(L, 1);
+    }
+    if (errno) {
+        fprintf(stderr, "Error readling file %s: %s\n", logfile, strerror(errno));
+        return EXIT_LOGFILE_HANDLING;
+    }
+
+    free(line);
+    lua_close(L);
+
+    fclose(fp);
+}

lua/messages.lua

@@ -0,0 +1,3 @@
+function format (line)
+    return line:gsub(" ", "\n");
+end