From 44f70278a86005c12f8bbc63b703fd3c4103c41b Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 22 Aug 2007 19:54:52 +0000
Subject: [PATCH] Merged revisions 80360 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r80360 | russell | 2007-08-22 14:53:30 -0500 (Wed, 22 Aug 2007) | 5 lines

Juggie in #asterisk-dev was reporting problems where fgets would return
without reading  the whole line when using fastagi.  When this happens,
errno was set to EINTR or EAGAIN.  This patch accounts for the possibility
and lets fgets continue in that case.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@80361 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 res/res_agi.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/res/res_agi.c b/res/res_agi.c
index 076c7e3a69..fffbc93fcf 100644
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -1902,8 +1902,14 @@ static enum agi_result run_agi(struct ast_channel *chan, char *request, AGI *agi
 				ast_frfree(f);
 			}
 		} else if (outfd > -1) {
+			size_t len;
 			retry = RETRY;
-			if (!fgets(buf, sizeof(buf), readf)) {
+			buf[0] = '\0';
+retry_fgets:
+			len = strlen(buf);
+			if (!fgets(buf + len, sizeof(buf) - len, readf)) {
+				if (!feof(readf) && (errno == EINTR || errno == EAGAIN))
+					goto retry_fgets;
 				/* Program terminated */
 				if (returnstatus && returnstatus != AST_PBX_KEEPALIVE)
 					returnstatus = -1;
@@ -1914,6 +1920,8 @@ static enum agi_result run_agi(struct ast_channel *chan, char *request, AGI *agi
 				pid = -1;
 				break;
 			}
+			if (errno == EINTR || errno == EAGAIN)
+				goto retry_fgets;
 			/* get rid of trailing newline, if any */
 			if (*buf && buf[strlen(buf) - 1] == '\n')
 				buf[strlen(buf) - 1] = 0;