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checkasm: Fix the function name sorting algorithm

The previous implementation was behaving incorrectly in some corner cases.
This commit is contained in:
Henrik Gramner 2015-09-26 20:15:35 +02:00
parent 3e5b02bdb8
commit 19b28d047d

View File

@ -289,12 +289,16 @@ static void print_benchs(CheckasmFunc *f)
/* ASCIIbetical sort except preserving natural order for numbers */
static int cmp_func_names(const char *a, const char *b)
{
const char *start = a;
int ascii_diff, digit_diff;
for (; !(ascii_diff = *a - *b) && *a; a++, b++);
for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
return (digit_diff = av_isdigit(*a) - av_isdigit(*b)) ? digit_diff : ascii_diff;
if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
return digit_diff;
return ascii_diff;
}
/* Perform a tree rotation in the specified direction and return the new root */