change "i686" to "pentium4" if sse2 is available

1 files changed, 12 insertions, 1 deletions

diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index 7e810127..cf30325b 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -26,6 +26,7 @@
 
 #include <stdlib.h> /* atoi */
 #include <stdio.h>
+#include <cpuid.h>
 #include <ctype.h> /* isspace */
 #include <limits.h>
 #include <getopt.h>
@@ -274,8 +275,18 @@ static void setuseragent(void)
 	int len;
 
 	uname(&un);
+	char machine[8];
+	strncpy(machine, un.machine, 8);
+	if(strcmp(machine, "i686") == 0) {
+		int eax, ebx, ecx, edx;
+		__get_cpuid(1, &eax, &ebx, &ecx, &edx);
+		if (edx & bit_SSE2) {
+			strncpy(machine, "pentium4", sizeof machine);
+			machine[sizeof machine-1] = '\0';
+		}
+	}
 	len = snprintf(agent, 100, "pacman/%s (%s %s) libalpm/%s",
-			PACKAGE_VERSION, un.sysname, un.machine, alpm_version());
+			PACKAGE_VERSION, un.sysname, machine, alpm_version());
 	if(len >= 100) {
 		pm_printf(ALPM_LOG_WARNING, _("HTTP_USER_AGENT truncated\n"));
 	}