From bd4eb070f3b292617be20bda069cac47df2f7495 Mon Sep 17 00:00:00 2001
From: "Kevin P. Fleming" <kpfleming@digium.com>
Date: Sun, 2 Nov 2008 18:52:13 +0000
Subject: bring over all the fixes for the warnings found by gcc 4.3.x from the
 1.4 branch, and add the ones needed for all the new code here too

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@153616 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/asterisk.c | 49 ++++++++++++++++++++++++++++++++++---------------
 1 file changed, 34 insertions(+), 15 deletions(-)

(limited to 'main/asterisk.c')

diff --git a/main/asterisk.c b/main/asterisk.c
index 239acd7ff..37c84bd67 100644
--- a/main/asterisk.c
+++ b/main/asterisk.c
@@ -1218,8 +1218,11 @@ static void hup_handler(int num)
 	if (restartnow)
 		execvp(_argv[0], _argv);
 	sig_flags.need_reload = 1;
-	if (sig_alert_pipe[1] != -1)
-		write(sig_alert_pipe[1], &a, sizeof(a));
+	if (sig_alert_pipe[1] != -1) {
+		if (write(sig_alert_pipe[1], &a, sizeof(a)) < 0) {
+			fprintf(stderr, "hup_handler: write() failed: %s\n", strerror(errno));
+		}
+	}
 	signal(num, hup_handler);
 }
 
@@ -1434,8 +1437,11 @@ static void __quit_handler(int num)
 {
 	int a = 0;
 	sig_flags.need_quit = 1;
-	if (sig_alert_pipe[1] != -1)
-		write(sig_alert_pipe[1], &a, sizeof(a));
+	if (sig_alert_pipe[1] != -1) {
+		if (write(sig_alert_pipe[1], &a, sizeof(a)) < 0) {
+			fprintf(stderr, "hup_handler: write() failed: %s\n", strerror(errno));
+		}
+	}
 	/* There is no need to restore the signal handler here, since the app
 	 * is going to exit */
 }
@@ -1814,7 +1820,7 @@ static char *show_warranty(struct ast_cli_entry *e, int cmd, struct ast_cli_args
 		return NULL;
 	}
 
-	ast_cli(a->fd, warranty_lines);
+	ast_cli(a->fd, "%s", warranty_lines);
 
 	return CLI_SUCCESS;
 }
@@ -1851,7 +1857,7 @@ static char *show_license(struct ast_cli_entry *e, int cmd, struct ast_cli_args
 		return NULL;
 	}
 
-	ast_cli(a->fd, license_lines);
+	ast_cli(a->fd, "%s", license_lines);
 
 	return CLI_SUCCESS;
 }
@@ -1971,9 +1977,12 @@ static int ast_el_read_char(EditLine *editline, char *cp)
 			}
 
 			/* Write over the CLI prompt */
-			if (!ast_opt_exec && !lastpos)
-				write(STDOUT_FILENO, "\r", 1);
-			write(STDOUT_FILENO, buf, res);
+			if (!ast_opt_exec && !lastpos) {
+				if (write(STDOUT_FILENO, "\r", 1) < 0) {
+				}
+			}
+			if (write(STDOUT_FILENO, buf, res) < 0) {
+			}
 			if ((res < EL_BUF_SIZE - 1) && ((buf[res-1] == '\n') || (buf[res-2] == '\n'))) {
 				*cp = CC_REFRESH;
 				return(1);
@@ -2416,7 +2425,7 @@ static int ast_el_read_history(char *filename)
 	return ret;
 }
 
-static void ast_remotecontrol(char * data)
+static void ast_remotecontrol(char *data)
 {
 	char buf[80];
 	int res;
@@ -2430,12 +2439,17 @@ static void ast_remotecontrol(char * data)
 	char *ebuf;
 	int num = 0;
 
-	read(ast_consock, buf, sizeof(buf));
+	if (read(ast_consock, buf, sizeof(buf)) < 0) {
+		ast_log(LOG_ERROR, "read() failed: %s\n", strerror(errno));
+		return;
+	}
 	if (data) {
 		char prefix[] = "cli quit after ";
 		char *tmp = alloca(strlen(data) + strlen(prefix) + 1);
 		sprintf(tmp, "%s%s", prefix, data);
-		write(ast_consock, tmp, strlen(tmp) + 1);
+		if (write(ast_consock, tmp, strlen(tmp) + 1) < 0) {
+			ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
+		}
 	}
 	stringp = buf;
 	hostname = strsep(&stringp, "/");
@@ -2495,7 +2509,9 @@ static void ast_remotecontrol(char * data)
 				/* Skip verbose lines */
 				if (*curline != 127) {
 					not_written = 0;
-					write(STDOUT_FILENO, curline, nextline - curline);
+					if (write(STDOUT_FILENO, curline, nextline - curline) < 0) {
+						ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno));
+					}
 				}
 				curline = nextline;
 			} while (!ast_strlen_zero(curline));
@@ -2825,7 +2841,8 @@ static void *monitor_sig_flags(void *unused)
 			sig_flags.need_quit = 0;
 			quit_handler(0, 0, 1, 0);
 		}
-		read(sig_alert_pipe[0], &a, sizeof(a));
+		if (read(sig_alert_pipe[0], &a, sizeof(a)) != sizeof(a)) {
+		}
 	}
 
 	return NULL;
@@ -3265,7 +3282,9 @@ int main(int argc, char *argv[])
 #if HAVE_WORKING_FORK
 	if (ast_opt_always_fork || !ast_opt_no_fork) {
 #ifndef HAVE_SBIN_LAUNCHD
-		daemon(1, 0);
+		if (daemon(1, 0) < 0) {
+			ast_log(LOG_ERROR, "daemon() failed: %s\n", strerror(errno));
+		}
 		ast_mainpid = getpid();
 		/* Blindly re-write pid file since we are forking */
 		unlink(ast_config_AST_PID);
-- 
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