https://origsvn.digium.com/svn/asterisk/branches/1.4
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r187362 | tilghman | 2009-04-09 11:38:37 -0500 (Thu, 09 Apr 2009) | 3 lines
Permit zero-length text messages in SIP.
(Related to an issue posted to the -users list, subject "AEL2, BASE64_DECODE and hexadecimal")
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@187363
65c4cc65-6c06-0410-ace0-
fbb531ad65f3
AST_APP_ARG(text);
);
- if (ast_strlen_zero(data)) {
+ /* NOT ast_strlen_zero, because some protocols (e.g. SIP) MUST be able to
+ * send a zero-length message. */
+ if (!data) {
ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
return -1;
} else
ast_verbose("Sending text %s on %s\n", text, ast->name);
if (!p)
return -1;
- if (ast_strlen_zero(text))
+ /* NOT ast_strlen_zero, because a zero-length message is specifically
+ * allowed by RFC 3428 (See section 10, Examples) */
+ if (!text)
return 0;
if (debug)
ast_verbose("Really sending text %s on %s\n", text, ast->name);