[hackers] [sbase] ed: Add bytecount print to 'w' command || Tait Hoyem

[git]

commit 714601b29d6ed52aaf111cde34c524bec997a555
Author:     Tait Hoyem <c...@tait.tech>
AuthorDate: Mon Sep 14 22:36:15 2020 +0000
Commit:     Michael Forney <mfor...@mforney.org>
CommitDate: Fri Sep 18 19:58:22 2020 -0700

    ed: Add bytecount print to 'w' command

diff --git a/TODO b/TODO
index 59c9440..92acfa3 100644
--- a/TODO
+++ b/TODO
@@ -55,7 +55,6 @@ ed
     line
     .
     1g/^$/p
-* w command doesn't print byte count.
 * Editing huge files doesn't work well.
 
 printf
diff --git a/ed.c b/ed.c
index cee9687..8e6fa9a 100644
--- a/ed.c
+++ b/ed.c
@@ -623,14 +623,18 @@ static void
 dowrite(const char *fname, int trunc)
 {
        FILE *fp;
+       size_t bytecount = 0;
        int i, line;
 
        if (!(fp = fopen(fname, (trunc) ? "w" : "a")))
                error("input/output error");
 
        line = curln;
-       for (i = line1; i <= line2; ++i)
-               fputs(gettxt(i), fp);
+       for (i = line1; i <= line2; ++i) {
+               gettxt(i);
+               bytecount += text.siz - 1;
+               fputs(text.str, fp);
+       }
 
        curln = line2;
        if (fclose(fp))
@@ -638,6 +642,7 @@ dowrite(const char *fname, int trunc)
        strcpy(savfname, fname);
        modflag = 0;
        curln = line;
+       printf("%zu\n", bytecount);
 }
 
 static void