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memcmp: avoid doing single char memcmp 

There is no real gain in performing memcmp() comparisons on single
characters, so change these to array subscript inspections which
saves a call and makes the code clearer.

Closes #3486
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Reviewed-by: Jay Satiro <raysatiro@yahoo.com>
This commit is contained in:
Daniel Gustafsson 2019-01-20 21:59:04 +01:00
parent 6bd5bc97f4
commit f0b2c13a9e
2 changed files with 5 additions and 5 deletions
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4
lib/imap.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -316,7 +316,7 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
a space and optionally some text as per RFC-3501 for the AUTHENTICATE and
APPEND commands and as outlined in Section 4. Examples of RFC-4959 but
some e-mail servers ignore this and only send a single + instead. */
if(imap && !imap->custom && ((len == 3 && !memcmp("+", line, 1)) ||
if(imap && !imap->custom && ((len == 3 && line[0] == '+') ||
(len >= 2 && !memcmp("+ ", line, 2)))) {
switch(imapc->state) {
/* States which are interested in continuation responses */

6
lib/pop3.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -208,7 +208,7 @@ static bool pop3_endofresp(struct connectdata *conn, char *line, size_t len,
/* Are we processing CAPA command responses? */
if(pop3c->state == POP3_CAPA) {
/* Do we have the terminating line? */
if(len >= 1 && !memcmp(line, ".", 1))
if(len >= 1 && line[0] == '.')
/* Treat the response as a success */
*resp = '+';
else
@ -226,7 +226,7 @@ static bool pop3_endofresp(struct connectdata *conn, char *line, size_t len,
}
/* Do we have a continuation response? */
if(len >= 1 && !memcmp("+", line, 1)) {
if(len >= 1 && line[0] == '+') {
*resp = '*';
return TRUE;