Readme

README.md

@@ -0,0 +1,14 @@
+# Lipsum.c
+
+Generates a random string of words of given length using UNIX words file. 
+
+## Dependencies
+
+- Unix words file at `/usr/share/dict/words` `or /usr/dict/words`. 
+  This should exist in most UNIX-like operating systems.
+
+## Usage
+
+```
+lipsum <num words>
+```

lipsum.c

@@ -37,8 +37,8 @@ int readline(FILE* in, char **out) {
     }
 }
 
-char **read_word_file(char *file, int *num_ret) {
-    FILE *words = fopen(file, "r");
+char **read_word_file(FILE *words, int *num_ret) {
+    rewind(words);
     int listlen = 10;
     char **wordlist = calloc(listlen, sizeof(char *));
 
@@ -67,7 +67,9 @@ int main (int argc, char **argv) {
         fprintf(stderr, "Usage: lipsum <num words>\n");
         return 1;
     }
+
     int num;
+
     if (argc == 1) {
         num = 50;
     } else {
@@ -81,12 +83,22 @@ int main (int argc, char **argv) {
     unsigned int rand_seed = time(NULL);
 
     int len;
-    char **wordlist = read_word_file("/usr/share/dict/words", &len);
+
+    FILE *words = fopen("/usr/share/dict/words", "r");
+    if (!words) {
+        words = fopen("/usr/dict/words", "r");
+    }
+    if (!words) {
+        fprintf(stderr, "No words file found\n");
+        return 1;
+    }
+
+    char **wordlist = read_word_file(words, &len);
+    fclose(words);
 
     for (int i = 0; i < num; i++) {
         int index = rand_r(&rand_seed) % len;
         printf("%s ", wordlist[index]);
     }
     printf("\n");
-    
 }