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Subject[PATCH v1 2/7] test_hexdump: introduce test_hexdump_prepare_test() helper
Date
The function prepares the expected result in the provided buffer.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
lib/test_hexdump.c | 26 +++++++++++++++++++-------
1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c
index 5241df3..ed7c6a7 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);
--
2.6.2


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