From: Steve Holme <steve_holme@hotmail.com>
Date: Fri, 25 Jan 2013 22:14:21 +0000 (+0000)
Subject: smtp.c: Added comments to smtp_endofresp()
X-Git-Tag: curl-7_29_0~53
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d9c3505e83f6803a7d70eadc422b2c4752db554c;p=curl

smtp.c: Added comments to smtp_endofresp()

Minor code tidy up to add comments similar to those used in the pop3
and imap end of resp functions, in order to assist anyone reading the
code and highlight the similarities between each of these protocols.
---

diff --git a/lib/smtp.c b/lib/smtp.c
index 9643f8f9a..2433a6447 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -226,11 +226,13 @@ static int smtp_endofresp(struct pingpong *pp, int *resp)
   line += 4;
   len -= 4;
 
+  /* Do we have a SIZE capability? */
   if(smtpc->state == SMTP_EHLO && len >= 4 && !memcmp(line, "SIZE", 4)) {
     DEBUGF(infof(conn->data, "Server supports SIZE extension.\n"));
     smtpc->size_supported = true;
   }
 
+  /* Do we have an AUTH capability? */
   if(smtpc->state == SMTP_EHLO && len >= 5 && !memcmp(line, "AUTH ", 5)) {
     line += 5;
     len -= 5;
@@ -246,11 +248,13 @@ static int smtp_endofresp(struct pingpong *pp, int *resp)
       if(!len)
         break;
 
+      /* Extract the word */
       for(wordlen = 0; wordlen < len && line[wordlen] != ' ' &&
             line[wordlen] != '\t' && line[wordlen] != '\r' &&
             line[wordlen] != '\n';)
         wordlen++;
 
+      /* Test the word for a matching authentication mechanism */
       if(wordlen == 5 && !memcmp(line, "LOGIN", 5))
         smtpc->authmechs |= SASL_MECH_LOGIN;
       else if(wordlen == 5 && !memcmp(line, "PLAIN", 5))