Implemented adding to archive

src/stuffy.c

@@ -1,6 +1,9 @@
+#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
+#include <sys/types.h>
 #include "stuffy.h"
 
 void Stuffy(int argc, char* argv[])
@@ -37,12 +40,58 @@ int StuffyArgument(int argc, char* argv[])
 
 void StuffyAction(char* argv[], int archiveAction)
 {
-    ;
+    if (archiveAction == 0)
+        AddToArchive(argv[2], argv[3]);
+    if (archiveAction == 1)
+        RemoveFromArchive(argv[2], argv[3]);
+    if (archiveAction == 2)
+        ListArchive(argv[2]);
+    if (archiveAction == 3)
+        ExtractArchive(argv);
+}
+
+int IsFileArchived(int archiveFile, char* fileName)
+{
+    ssize_t readSize;
+    long long int moduleSize;
+    HeaderStruct moduleHeader;
+    readSize = read(archiveFile, &moduleHeader, sizeof(HeaderStruct));
+    if (!strcmp(moduleHeader.moduleName, fileName))
+        return 1;
+    while (readSize > 0)
+    {
+        moduleSize = (long long) moduleHeader.moduleInfo.st_size;
+        char moduleData[moduleSize];
+        readSize = read(archiveFile, &moduleData, moduleSize);
+        readSize = read(archiveFile, &moduleHeader, sizeof(HeaderStruct));
+        if (!strcmp(moduleHeader.moduleName, fileName))
+            return 1;
+    }
+    return 0;
 }
 
 void AddToArchive(char* archiveName, char* fileName)
 {
-    ;
+    int archiveFile = open(archiveName, O_RDWR | O_CREAT, 0644);
+    if (archiveFile < 0)
+    {
+        fprintf(stderr, "%s failed to open.\n", archiveName);
+        exit(1);
+    }
+    if (IsFileArchived(archiveFile, fileName))
+    {
+        fprintf(stderr, "File already exists\n");
+        exit(1);
+    }
+    HeaderStruct newModuleHeader;
+    strcpy(newModuleHeader.moduleName, fileName);
+    stat(fileName, &(newModuleHeader.moduleInfo));
+    write(archiveFile, &newModuleHeader, sizeof(newModuleHeader));
+    long long int newModuleSize = (long long) newModuleHeader.moduleInfo.st_size;
+    char newModuleData[newModuleSize];
+    write(archiveFile, newModuleData, newModuleSize);
+    close(archiveFile);
+    return;
 }
 
 void RemoveFromArchive(char* archiveName, char* fileName)
@@ -52,10 +101,23 @@ void RemoveFromArchive(char* archiveName, char* fileName)
 
 void ListArchive(char* archiveName)
 {
-    ;
+    int archiveFile = open(archiveName, O_RDONLY);
+    ssize_t readSize;
+    long long int moduleSize;
+    if (archiveFile < 0)
+    {
+        fprintf(stderr, "%s does not exist.\n", archiveName);
+        exit(1);
+    }
+    HeaderStruct moduleHeader;
+    while (readSize > 0)
+    {
+        moduleSize = (long long) moduleHeader.moduleInfo.st_size;
+        char moduleData[moduleSize];
+    }
 }
 
-void ExtractArchive(char*)
+void ExtractArchive(char* argv[])
 {
     ;
 }