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Make IdString::begins_width/ends_with take std::string_view so we avoid a strlen when the parameter is a string constant

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Robert O'Callahan 2025-10-16 03:37:49 +00:00
parent f6fb423ee8
commit f7ac724ea9
1 changed files with 7 additions and 8 deletions
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15
kernel/rtlil.h
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@ -404,16 +404,15 @@ struct RTLIL::IdString
return strncmp(c_str()+pos, s, len); return strncmp(c_str()+pos, s, len);
} }
bool begins_with(const char* prefix) const { bool begins_with(std::string_view prefix) const {
size_t len = strlen(prefix); if (size() < prefix.size()) return false;
if (size() < len) return false; return compare(0, prefix.size(), prefix.data()) == 0;
return compare(0, len, prefix) == 0;
} }
bool ends_with(const char* suffix) const { bool ends_with(std::string_view suffix) const {
size_t len = strlen(suffix); size_t sz = size();
if (size() < len) return false; if (sz < suffix.size()) return false;
return compare(size()-len, len, suffix) == 0; return compare(sz - suffix.size(), suffix.size(), suffix.data()) == 0;
} }
bool contains(const char* str) const { bool contains(const char* str) const {