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Mail: optimized discarding invalid SMTP commands.

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There is no need to scan buffer from s->buffer->pos, as we already scanned
the buffer till "p" and wasn't able to find an LF.

There is no real need for this change in SMTP, since it is at most a
microoptimization of a non-common code path.  Similar code in IMAP, however,
will have to start scanning from "p" to be correct, since there can be
newlines in IMAP literals.
This commit is contained in:
Maxim Dounin 2021-05-19 03:13:17 +03:00
parent 204f944add
commit 317223cb56
1 changed files with 1 additions and 1 deletions
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2
src/mail/ngx_mail_parse.c
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@ -843,7 +843,7 @@ invalid:
/* skip invalid command till LF */
for (p = s->buffer->pos; p < s->buffer->last; p++) {
for ( /* void */ ; p < s->buffer->last; p++) {
if (*p == LF) {
s->state = sw_start;
s->buffer->pos = p + 1;