Add the -f, --footer option

man/fmail.1.in

@@ -10,6 +10,8 @@ fmail \- mail formatter
 .RB [ \-a | --attach
 .IR file ]
 .RB [ \-s | --sign ]
+.RB [ \-f | --footer
+.IR file ]
 .RB [ \-H | --header
 .IR header ]
 .RB [ \-F | --from
@@ -43,6 +45,11 @@ Attach the specified
 .BR -s ", " --sign
 Sign the message.
 .TP
+.BR -f ", " --footer " " \fIfile\fR
+Append the contents of the specified
+.I file
+as the mail footer.
+.TP
 .BR -H ", " --header " " \fIheader\fR
 Add an arbitrary header.
 .TP

src/fmail.c

@@ -49,6 +49,10 @@ Read a mail from standard input and send it.\n");
     -v, --version       Display the version message.\n\
 ");
 
+    puts("\
+    -f, --footer FILE   Include FILE as the mail footer.\n\
+");
+
     puts("\
   Headers options:\n\
     -H, --header \"NAME: TEXT\"\n\
@@ -100,6 +104,7 @@ typedef struct fmail_ctx
 {
     const char    **attachments;
     size_t          att_count;
+    const char     *footer;
     magic_t         magic_ctx;
     gpgme_ctx_t     signing_ctx;
 } fmail_ctx_t;
@@ -257,6 +262,18 @@ process_text_body(fmail_ctx_t *ctx, FILE *in, FILE *out)
     qp_encode_stream(in, out);
     fprintf(out, "\r\n");
 
+    if ( ctx->footer ) {
+        FILE *f;
+
+        if ( ! (f = fopen(ctx->footer, "r")) )
+            err(EXIT_FAILURE, "cannot open footer file '%s'", ctx->footer);
+
+        fprintf(out, "-- \r\n");
+        qp_encode_stream(f, out);
+        fprintf(out, "\r\n");
+        fclose(f);
+    }
+
     for ( i = 0; i < ctx->att_count; i++ ) {
         fprintf(out, "--%s\r\n", boundary);
         process_attachment(ctx->attachments[i], ctx->magic_ctx, out);
@@ -398,6 +415,7 @@ main(int argc, char *argv[])
         { "version", 0, NULL, 'v' },
         { "sign",    0, NULL, 's' },
         { "attach",  1, NULL, 'a' },
+        { "footer",  1, NULL, 'f' },
         { "header",  1, NULL, 'H' },
         { "from",    1, NULL, 'F' },
         { "to",      1, NULL, 'T' },
@@ -415,8 +433,9 @@ main(int argc, char *argv[])
     ctx.magic_ctx = initialize_magic();
     ctx.attachments = NULL;
     ctx.att_count = 0;
+    ctx.footer = NULL;
 
-    while ( (c = getopt_long(argc, argv, "hvsa:H:F:T:C:S:",
+    while ( (c = getopt_long(argc, argv, "hvsa:f:H:F:T:C:S:",
                              options, NULL)) != -1 ) {
         switch ( c ) {
         case 'h':
@@ -441,6 +460,10 @@ main(int argc, char *argv[])
             ctx.attachments[ctx.att_count++] = optarg;
             break;
 
+        case 'f':
+            ctx.footer = optarg;
+            break;
+
         case 'H':
             sb_addf(headers, "%s\r\n", optarg);
             break;