Merged revisions 77788 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r77788 | russell | 2007-07-30 14:13:31 -0500 (Mon, 30 Jul 2007) | 10 lines

(closes issue #10279)
Reported by: seanbright
Patches:
      res_agi.carefulwrite.1.4.07252007.patch uploaded by seanbright (license 71)
      res_agi.carefulwrite.trunk.07252007.patch uploaded by seanbright (license 71)

Allow the "agi_network: yes" line to be printed out in the AGI debug output.
Also, allow partial writes to be handled when writing out this line just like
it is for all of the others.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@77789 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/agi.h

@@ -51,7 +51,7 @@ typedef struct agi_command {
 	AST_LIST_ENTRY(agi_command) list;
 } agi_command;
 
-void ast_agi_fdprintf(int fd, char *fmt, ...);
+int ast_agi_fdprintf(int fd, char *fmt, ...);
 int ast_agi_register(struct ast_module *mod, agi_command *cmd);
 int ast_agi_unregister(struct ast_module *mod, agi_command *cmd);
 void ast_agi_register_multiple(struct ast_module *mod, agi_command *cmd, int len);

res/res_agi.c

@@ -115,7 +115,7 @@ enum agi_result {
 
 static agi_command *find_command(char *cmds[], int exact);
 
-void ast_agi_fdprintf(int fd, char *fmt, ...)
+int ast_agi_fdprintf(int fd, char *fmt, ...)
 {
 	char *stuff;
 	int res = 0;
@@ -127,13 +127,15 @@ void ast_agi_fdprintf(int fd, char *fmt, ...)
 
 	if (res == -1) {
 		ast_log(LOG_ERROR, "Out of memory\n");
-		return;
+		return -1;
 	}
 
 	if (agidebug)
 		ast_verbose("AGI Tx >> %s", stuff);
 	ast_carefulwrite(fd, stuff, strlen(stuff), 100);
 	ast_free(stuff);
+
+	return res;
 }
 
 /* launch_netscript: The fastagi handler.
@@ -205,8 +207,8 @@ static enum agi_result launch_netscript(char *agiurl, char *argv[], int *fds, in
 			return AGI_RESULT_FAILURE;
 		}
 	}
-	/* XXX in theory should check for partial writes... */
-	while (write(s, "agi_network: yes\n", strlen("agi_network: yes\n")) < 0) {
+
+	if (ast_agi_fdprintf(s, "agi_network: yes\n") < 0) {
 		if (errno != EINTR) {
 			ast_log(LOG_WARNING, "Connect to '%s' failed: %s\n", agiurl, strerror(errno));
 			close(s);