Debian 3.9.10debian/3.9.10debian

1 files changed, 106 insertions, 0 deletions

diff --git a/qa/src/write-bf.c b/qa/src/write-bf.c
new file mode 100644
index 0000000..8eff75f
--- /dev/null
+++ b/qa/src/write-bf.c
@@ -0,0 +1,106 @@
+#include <pcp/pmapi.h>
+#include <pcp/impl.h>
+
+typedef struct {
+	unsigned int	a:16;
+	unsigned int	b:7;
+	unsigned int	c:3;
+	unsigned int	d:3;
+	unsigned int	e:3;
+	unsigned int	f:4;
+	unsigned int	g:12;
+} ext_bits_t;
+
+typedef struct {
+	unsigned int	a:16;
+	unsigned int	b:7;
+	unsigned int	c:3;
+	unsigned int	d:3;
+	unsigned int	e:3;
+	unsigned int	f:4;
+	unsigned int	g:12;
+} bits_t;
+
+bits_t	outbits = { 0xdead, 0x5f, 0x3, 0x5, 0x7, 0xc, 0xafe };
+
+int
+main(int argc, char *argv[])
+{
+    bits_t	inbits;
+    ext_bits_t	extbits;
+    __uint32_t	*ip;
+    int		i;
+    int		sts;
+
+    fprintf(stderr, "sizeof(bits_t): %d\n", (int)sizeof(bits_t));
+
+    if (strcmp(basename(argv[0]), "read-bf") == 0) {
+	sts = read(0, &extbits, sizeof(ext_bits_t));
+	if (sts != sizeof(ext_bits_t)) {
+	    fprintf(stderr, "read() returns %d not %d as expected\n", sts, (int)sizeof(ext_bits_t));
+	    exit(1);
+	}
+
+	fprintf(stderr, "read: ");
+	for (i = 0, ip = (__uint32_t *)&extbits; i < sizeof(ext_bits_t); i += sizeof(*ip), ip++)
+	    fprintf(stderr, " %08x", *ip);
+	fputc('\n', stderr);
+
+	/*
+	 * swap bytes, then assign fields
+	 */
+	for (i = 0, ip = (__uint32_t *)&extbits; i < sizeof(ext_bits_t); i += sizeof(*ip), ip++)
+	    *ip = ntohl(*ip);
+
+	inbits.a = extbits.a;
+	inbits.b = extbits.b;
+	inbits.c = extbits.c;
+	inbits.d = extbits.d;
+	inbits.e = extbits.e;
+	inbits.f = extbits.f;
+	inbits.g = extbits.g;
+
+	if (inbits.a != outbits.a)
+	    fprintf(stderr, "Error: \"a\" got %x expected %x\n", inbits.a, outbits.a);
+	if (inbits.b != outbits.b)
+	    fprintf(stderr, "Error: \"b\" got %x expected %x\n", inbits.b, outbits.b);
+	if (inbits.c != outbits.c)
+	    fprintf(stderr, "Error: \"c\" got %x expected %x\n", inbits.c, outbits.c);
+	if (inbits.d != outbits.d)
+	    fprintf(stderr, "Error: \"d\" got %x expected %x\n", inbits.d, outbits.d);
+	if (inbits.e != outbits.e)
+	    fprintf(stderr, "Error: \"e\" got %x expected %x\n", inbits.e, outbits.e);
+	if (inbits.f != outbits.f)
+	    fprintf(stderr, "Error: \"f\" got %x expected %x\n", inbits.f, outbits.f);
+	if (inbits.g != outbits.g)
+	    fprintf(stderr, "Error: \"g\" got %x expected %x\n", inbits.g, outbits.g);
+    }
+    else {
+	/*
+	 * assign fields, then swap bytes
+	 */
+	memset((void *)&extbits, 0, sizeof(ext_bits_t));
+	extbits.a = outbits.a;
+	extbits.b = outbits.b;
+	extbits.c = outbits.c;
+	extbits.d = outbits.d;
+	extbits.e = outbits.e;
+	extbits.f = outbits.f;
+	extbits.g = outbits.g;
+
+	for (i = 0, ip = (__uint32_t *)&extbits; i < sizeof(ext_bits_t); i += sizeof(*ip), ip++)
+	    *ip = htonl(*ip);
+
+	fprintf(stderr, "write: ");
+	for (i = 0, ip = (__uint32_t *)&extbits; i < sizeof(ext_bits_t); i += sizeof(*ip), ip++)
+	    fprintf(stderr, " %08x", *ip);
+	fputc('\n', stderr);
+
+	sts = write(1, &extbits, sizeof(bits_t));
+	if (sts != sizeof(bits_t)) {
+	    fprintf(stderr, "write() returns %d not %d as expected\n", sts, (int)sizeof(bits_t));
+	    exit(1);
+	}
+    }
+    exit(0);
+}