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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2016-01-21 01:58:47 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 04:09:18 +0300
commit87977ca6bcd051b8bd20adff0a023548ff25902c (patch)
treecf9673c1a7814e7a6dddfbde4fe9ba23c57f5eed /lib/test_hexdump.c
parent60b2e8f4f71a21b96306a8a3ea4dd345ea3bfb46 (diff)
downloadlinux-87977ca6bcd051b8bd20adff0a023548ff25902c.tar.xz
test_hexdump: introduce test_hexdump_prepare_test() helper
The function prepares the expected result in the provided buffer. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/test_hexdump.c')
-rw-r--r--lib/test_hexdump.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c
index 5241df36eedf..ed7c6a704f34 100644
--- a/lib/test_hexdump.c
+++ b/lib/test_hexdump.c
@@ -42,19 +42,16 @@ static const char * const test_data_8_le[] __initconst = {
"e9ac0f9cad319ca6", "0cafb1439919d14c",
};
-static void __init test_hexdump(size_t len, int rowsize, int groupsize,
- bool ascii)
+static void __init test_hexdump_prepare_test(size_t len, int rowsize,
+ int groupsize, char *test,
+ size_t testlen, bool ascii)
{
- char test[32 * 3 + 2 + 32 + 1];
- char real[32 * 3 + 2 + 32 + 1];
char *p;
const char * const *result;
size_t l = len;
int gs = groupsize, rs = rowsize;
unsigned int i;
- hex_dump_to_buffer(data_b, l, rs, gs, real, sizeof(real), ascii);
-
if (rs != 16 && rs != 32)
rs = 16;
@@ -73,7 +70,7 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
else
result = test_data_1_le;
- memset(test, ' ', sizeof(test));
+ memset(test, ' ', testlen);
/* hex dump */
p = test;
@@ -95,6 +92,21 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
}
*p = '\0';
+}
+
+#define TEST_HEXDUMP_BUF_SIZE (32 * 3 + 2 + 32 + 1)
+
+static void __init test_hexdump(size_t len, int rowsize, int groupsize,
+ bool ascii)
+{
+ char test[TEST_HEXDUMP_BUF_SIZE];
+ char real[TEST_HEXDUMP_BUF_SIZE];
+
+ hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real),
+ ascii);
+
+ test_hexdump_prepare_test(len, rowsize, groupsize, test, sizeof(test),
+ ascii);
if (strcmp(test, real)) {
pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);