Commit aa915245 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

scripts/kallsyms: replace prefix_underscores_count() with strspn() 



You can do equivalent things with strspn(). I do not see noticeable
performance difference.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 29e55ad3

scripts/kallsyms.c

+2 −12
Original line number Diff line number Diff line
@@ -661,16 +661,6 @@ static int may_be_linker_script_provide_symbol(const struct sym_entry *se) 
	return 0;

}



static int prefix_underscores_count(const char *str)

{

	const char *tail = str;



	while (*tail == '_')

		tail++;



	return tail - str;

}



static int compare_symbols(const void *a, const void *b)

{

	const struct sym_entry *sa;
@@ -699,8 +689,8 @@ static int compare_symbols(const void *a, const void *b) 
		return wa - wb;



	/* sort by the number of prefix underscores */

	wa = prefix_underscores_count(sym_name(sa));

	wb = prefix_underscores_count(sym_name(sb));

	wa = strspn(sym_name(sa), "_");

	wb = strspn(sym_name(sb), "_");

	if (wa != wb)

		return wa - wb;