add summary statistics

README.md

@@ -24,6 +24,10 @@ library    | lastest version | category | LoC | description
 **stb.h** | 2.24 | misc | 14086 | helper functions for C, mostly redundant in C++; basically author's personal stuff
 **stb_leakcheck.h** | 0.1 | misc | 117 | quick-and-dirty malloc/free leak-checking
 
+Total libraries: 18  
+Total lines of C code: 45214
+
+
 FAQ
 ---
 

tools/make_readme.c

@@ -4,7 +4,7 @@
 int main(int argc, char  **argv)
 {
    int i;
-   int hlen, flen, listlen;
+   int hlen, flen, listlen, total_lines = 0;
    char *header = stb_file("README.header.md", &hlen);      // stb_file - read file into malloc()ed buffer
    char *footer = stb_file("README.footer.md", &flen);      // stb_file - read file into malloc()ed buffer
    char **list  = stb_stringfile("README.list", &listlen);  // stb_stringfile - read file lines into malloced array of strings
@@ -42,11 +42,16 @@ int main(int argc, char  **argv)
       fprintf(f, " | %s", s2);
       free(s2);
       fprintf(f, " | %d", num_lines);
+      total_lines += num_lines;
       for (j=2; j < num; ++j)
          fprintf(f, " | %s", tokens[j]);
       fprintf(f, "\n");
    }
 
+   fprintf(f, "\n");
+   fprintf(f, "Total libraries: %d  \n", listlen);
+   fprintf(f, "Total lines of C code: %d\n\n", total_lines);
+
    fwrite(footer, 1, flen, f);
    fclose(f);