Submitted By: Jim Gifford <jim at cross-lfs dot org>
Date: 2010-07-26
Initial Package Version: 5.97
Upstream Status: Not Accepted
Origin: Gentoo - http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/coreutils
Description: Display CPU Information from /proc/cpuinfo or /proc/sysinfo

Rediffed for 7.1 by Jim Gifford
Rediffed for 7.5 by Jim Gifford
Rediffed for 8.4 by Joe Ciccone
Rediffed for 8.9 by Joe Ciccone
Rediffed for 8.16 by Jonathan Norman - 2012-06-10
Rediffed for 8.19 by William Harrington - 2012-08-27
Renamed for 8.20 by William Harrington - 2012-11-01
Rediffed for 8.21 by William Harrington 2013-05-31

diff -Naur coreutils-8.21.orig/src/uname.c coreutils-8.21/src/uname.c
--- coreutils-8.21.orig/src/uname.c	2013-01-31 00:46:24.000000000 +0000
+++ coreutils-8.21/src/uname.c	2013-05-31 13:41:32.683326834 +0000
@@ -49,6 +49,11 @@
 # include <mach-o/arch.h>
 #endif
 
+#if defined (__linux__)
+# define USE_PROCINFO
+# define UNAME_HARDWARE_PLATFORM
+#endif
+
 #include "system.h"
 #include "error.h"
 #include "quote.h"
@@ -153,6 +158,117 @@
   exit (status);
 }
 
+#if defined(USE_PROCINFO)
+
+# if defined(__s390__) || defined(__s390x__)
+#  define CPUINFO_FILE    "/proc/sysinfo"
+#  define CPUINFO_FORMAT  "%64[^\t :]%*[ :]%256[^\n]%c"
+# else
+#  define CPUINFO_FILE    "/proc/cpuinfo"
+#  define CPUINFO_FORMAT  "%64[^\t:]\t:%256[^\n]%c"
+# endif
+
+# define PROCINFO_PROCESSOR      0
+# define PROCINFO_HARDWARE_PLATFORM 1
+
+static void __eat_cpuinfo_space(char *buf)
+{
+	/* first eat trailing space */
+	char *tmp = buf + strlen(buf) - 1;
+	while (tmp > buf && isspace(*tmp))
+		*tmp-- = '\0';
+	/* then eat leading space */
+	tmp = buf;
+	while (*tmp && isspace(*tmp))
+		tmp++;
+	if (tmp != buf)
+		memmove(buf, tmp, strlen(tmp)+1);
+	/* finally collapse whitespace */
+	tmp = buf;
+	while (tmp[0] && tmp[1]) {
+		if (isspace(tmp[0]) && isspace(tmp[1])) {
+			memmove(tmp, tmp+1, strlen(tmp));
+			continue;
+		}
+		++tmp;
+	}
+}
+
+static int __linux_procinfo (int x, char *fstr, size_t s)
+{
+	FILE *fp;
+
+	char *procinfo_keys[] = {
+		/* --processor --hardware-platform */
+		#if defined(__alpha__)
+			"cpu model", "system type"
+		#elif defined(__arm__)
+			"Processor", "Hardware"
+		#elif defined(__avr32__)
+			"processor", "cpu family"
+		#elif defined(__bfin__)
+			"CPU", "BOARD Name"
+		#elif defined(__cris__)
+			"cpu", "cpu model"
+		#elif defined(__frv__)
+			"CPU-Core", "System"
+		#elif defined(__i386__) || defined(__x86_64__)
+			"model name", "vendor_id"
+		#elif defined(__ia64__)
+			"family", "vendor"
+		#elif defined(__hppa__)
+			"cpu", "model"
+		#elif defined(__m68k__)
+			"CPU", "MMU"
+		#elif defined(__mips__)
+			"cpu model", "system type"
+		#elif defined(__powerpc__) || defined(__powerpc64__)
+			"cpu", "machine"
+		#elif defined(__s390__) || defined(__s390x__)
+			"Type", "Manufacturer"
+		#elif defined(__sh__)
+			"cpu type", "machine"
+		#elif defined(sparc) || defined(__sparc__)
+			"type", "cpu"
+		#elif defined(__vax__)
+			"cpu type", "cpu"
+		#else
+			"unknown", "unknown"
+		#endif
+	};
+
+	if ((fp = fopen(CPUINFO_FILE, "r")) != NULL) {
+		char key[65], value[257], eol, *ret = NULL;
+
+		while (fscanf(fp, CPUINFO_FORMAT, key, value, &eol) != EOF) {
+			__eat_cpuinfo_space(key);
+			if (!strcmp(key, procinfo_keys[x])) {
+				__eat_cpuinfo_space(value);
+				ret = value;
+				break;
+			}
+			if (eol != '\n') {
+				/* we need two fscanf's here in case the previous
+				 * length limit caused us to read right up to the
+				 * newline ... doing "%*[^\n]\n" wont eat the newline
+				 */
+				fscanf(fp, "%*[^\n]");
+				fscanf(fp, "\n");
+			}
+		}
+		fclose(fp);
+
+		if (ret) {
+			strncpy(fstr, ret, s);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+#endif
+
 /* Print ELEMENT, preceded by a space if something has already been
    printed.  */
 
@@ -300,10 +416,14 @@
   if (toprint & PRINT_PROCESSOR)
     {
       char const *element = unknown;
-#if HAVE_SYSINFO && defined SI_ARCHITECTURE
+#if ( HAVE_SYSINFO && defined SI_ARCHITECTURE ) || defined(USE_PROCINFO)
       {
         static char processor[257];
+#if defined(USE_PROCINFO)
+        if (0 <= __linux_procinfo (PROCINFO_PROCESSOR, processor, sizeof processor))
+#else
         if (0 <= sysinfo (SI_ARCHITECTURE, processor, sizeof processor))
+#endif
           element = processor;
       }
 #endif
@@ -356,9 +476,13 @@
       if (element == unknown)
         {
           static char hardware_platform[257];
+#if defined(USE_PROCINFO)
+        if (0 <= __linux_procinfo (PROCINFO_HARDWARE_PLATFORM, hardware_platform, sizeof hardware_platform))
+#else
           size_t s = sizeof hardware_platform;
           static int mib[] = { CTL_HW, UNAME_HARDWARE_PLATFORM };
           if (sysctl (mib, 2, hardware_platform, &s, 0, 0) >= 0)
+#endif
             element = hardware_platform;
         }
 #endif