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: Masahiro Yamada <yamada.masahiro@socionext.com>
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@ -661,16 +661,6 @@ static int may_be_linker_script_provide_symbol(const struct sym_entry *se)
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return 0;
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return 0;
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}
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}
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static int prefix_underscores_count(const char *str)
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{
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const char *tail = str;
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while (*tail == '_')
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tail++;
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return tail - str;
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}
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static int compare_symbols(const void *a, const void *b)
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static int compare_symbols(const void *a, const void *b)
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{
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{
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const struct sym_entry *sa;
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const struct sym_entry *sa;
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@ -699,8 +689,8 @@ static int compare_symbols(const void *a, const void *b)
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return wa - wb;
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return wa - wb;
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/* sort by the number of prefix underscores */
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/* sort by the number of prefix underscores */
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wa = prefix_underscores_count(sym_name(sa));
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wa = strspn(sym_name(sa), "_");
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wb = prefix_underscores_count(sym_name(sb));
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wb = strspn(sym_name(sb), "_");
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if (wa != wb)
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if (wa != wb)
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return wa - wb;
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return wa - wb;
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