second implementation for input and fix unit_tests

Wordsalat/input.c

@@ -2,6 +2,8 @@
 #include <string.h>
 #include <ctype.h>
 
+
+
 // TODO:
 // eine Funktion implementieren, die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt.
 
@@ -9,45 +11,47 @@
 
 int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
 {
-    // printf("start readWords\n");
+    printf("start readWords\n");
     int wordcount = 0;
-    char line[256];
-    char *lines = fgets(line, sizeof(line), file);
+    char buffer[256];
+    char *line = fgets(buffer, sizeof(buffer), file);
 
-    while(lines != NULL)
+    while(line != NULL)
     {
-        // printf("next line: %s\n", lines);
-        size_t wordLength = 0;
-        int newWord = 0;
+        printf("%d. loop\n", wordcount);
+        printf("line: %s\n", line);
 
-        for(int i = 0; i < strlen(lines); i++)
+        char* word = strtok(line, " ,;");
+        
+        while (word != NULL) 
         {
-            //printf("size of line %d: %d\n", i, strlen(lines));
-            if(isalpha(line[i]))
-            {
-                words[wordcount][wordLength] = line[i];
-                // printf("word[%d][%d] = %c\n", wordcount, wordLength, line[i]);
+            strncpy(words[wordcount], word, strlen(word));
+            //printf("%d. word: %s\n", wordcount, words[wordcount]);
+            wordcount += 1;
 
-                wordLength += 1;
-                newWord = 0;
-            }
-            else
-            {
-                if(newWord == 0)
-                {
-                    // printf("skip: %c\n", line[i]);
-                    wordcount += 1;
-                    wordLength = 0;
-                    newWord = 1;
-                }
-                else
-                {
-                     // printf("Multi skip: %c\n", line[i]);
-                }
-            }
-         }
-         lines = fgets(line, sizeof(line), file);
+            word = strtok(NULL, " ,;\t\n");
+        }
+
+        line = fgets(buffer, sizeof(buffer), file); 
     }
-    // printf("wordcount = %d\n", wordcount);
+
+    for(int i = 0; i < wordcount; i++)
+    {
+        for(int j = 0; j < strlen(words[i]); j++)
+        {
+            words[i][j] = toupper(words[i][j]);
+
+            if(words[i][j] == '\n')
+            {
+                words[i][j] = '\0';
+            }
+        }
+
+        printf("%d. word: %s\n", i, words[i]);
+    }
+
+
+    printf("wordcount = %d\n", wordcount);
+    
     return wordcount;
 }

Wordsalat/unit_tests.c

@@ -49,6 +49,8 @@ void test_readWords_with_delimiters(void) {
     int count = readWords(f, words, 10);
     fclose(f);
 
+    char cwd[PATH_MAX];
+
     TEST_ASSERT_EQUAL_INT(3, count);
     TEST_ASSERT_EQUAL_STRING("HUND", words[0]);
     TEST_ASSERT_EQUAL_STRING("KATZE", words[1]);