Fixed file read bug #17

hangman.c

@@ -369,19 +369,16 @@ int centerDiff(int coordinate, char *str) {
 }
 
 void readRandomLine(char *file, char *result) {
-    long totalLength = 0, rand = 0;
     FILE *fp = fopen(file, "r");
-    char c;
-    int wordlength = 0;
-    
-    while ((c = fgetc(fp)) != EOF) {
-        if (c == '\n') ++totalLength;
+    int count = 0, wordlength = 0;
+    char line[MAXWORDLENGTH];
+    srand(time(NULL));
+    while (fgets(line, MAXWORDLENGTH, fp) != NULL) {
+        count++;
+        if ((rand() / (float)RAND_MAX) <= (1.0 / count)) { 
+            strcpy(result, line);
+        }
     }
-    
-    rand = getrandom(0, totalLength);
-    fseek(fp, -rand, SEEK_END);
-
-    fgets(result, MAXWORDLENGTH, fp);
     /* remove \n at the end of the line */
     wordlength = strlen(result);
     result[wordlength - 1] = '\0';