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print_number: Make locale independent

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This first prints the number into a temporary buffer and then copies the
number to the output.

A positive side effect is that cJSON no longer reserves more space for
the number in the output than is necessary.
This commit is contained in:
Max Bruckner
2017-04-08 03:07:13 +02:00
parent 71b96afc27
commit c08f7e1d29
2 changed files with 51 additions and 46 deletions
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16
tests/print_number.c
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@ -89,17 +89,11 @@ static void print_number_should_print_non_number(void)
static void trim_trailing_zeroes_should_trim_trailing_zeroes(void)
{
printbuffer buffer;
unsigned char number[100];
buffer.length = sizeof(number);
buffer.buffer = number;
strcpy((char*)number, "10.00");
buffer.offset = sizeof("10.00") - 1;
TEST_ASSERT_TRUE(trim_trailing_zeroes(&buffer));
TEST_ASSERT_EQUAL_UINT8('\0', buffer.buffer[buffer.offset]);
TEST_ASSERT_EQUAL_STRING("10", number);
TEST_ASSERT_EQUAL_UINT(sizeof("10") - 1, buffer.offset);
TEST_ASSERT_EQUAL_INT(2, trim_trailing_zeroes((const unsigned char*)"10.00", (int)(sizeof("10.00") - 1), '.'));
TEST_ASSERT_EQUAL_INT(0, trim_trailing_zeroes((const unsigned char*)".00", (int)(sizeof(".00") - 1), '.'));
TEST_ASSERT_EQUAL_INT(0, trim_trailing_zeroes((const unsigned char*)"00", (int)(sizeof("00") - 1), '.'));
TEST_ASSERT_EQUAL_INT(-1, trim_trailing_zeroes(NULL, 10, '.'));
TEST_ASSERT_EQUAL_INT(-1, trim_trailing_zeroes((const unsigned char*)"", 0, '.'));
}
int main(void)