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[perf] Cache constant lengths instead of reevaluating

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Tsarevich Dmitry 2020-02-23 20:02:00 +03:00
parent 2253543a5c
commit 09cb8aceba
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GPG key ID: E3C61298FF5B1274
1 changed files with 9 additions and 6 deletions
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15
src/parser.c
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@ -960,7 +960,7 @@ char* insert_section_data(const char* filename, const char* section, const char*
wchar_t *wsection = NULL, *wfilename = NULL, *wtmpname = NULL, *wdata = NULL, bom = 0;
wchar_t buf[1024];
FILE *fd_in = NULL, *fd_out = NULL;
size_t i, size;
size_t i, size, wsection_len;
int mode = 0;
char *ret = NULL, tmp[2];
@ -979,6 +979,7 @@ char* insert_section_data(const char* filename, const char* section, const char*
uprintf(conversion_error, section);
goto out;
}
wsection_len = wcslen(wsection);
wdata = utf8_to_wchar(data);
if (wdata == NULL) {
uprintf(conversion_error, data);
@ -1033,7 +1034,7 @@ char* insert_section_data(const char* filename, const char* section, const char*
i += wcsspn(&buf[i], wspace);
// Our token should begin a line
if (_wcsnicmp(&buf[i], wsection, wcslen(wsection)) != 0) {
if (_wcsnicmp(&buf[i], wsection, wsection_len) != 0) {
fputws(buf, fd_out);
continue;
}
@ -1094,7 +1095,7 @@ char* replace_in_token_data(const char* filename, const char* token, const char*
wchar_t *wtoken = NULL, *wfilename = NULL, *wtmpname = NULL, *wsrc = NULL, *wrep = NULL, bom = 0;
wchar_t buf[1024], *torep;
FILE *fd_in = NULL, *fd_out = NULL;
size_t i, ns, size;
size_t i, ns, size, wtoken_len, wsrc_len;
int mode = 0;
char *ret = NULL, tmp[2];
@ -1115,11 +1116,13 @@ char* replace_in_token_data(const char* filename, const char* token, const char*
uprintf(conversion_error, token);
goto out;
}
wtoken_len = wcslen(wtoken);
wsrc = utf8_to_wchar(src);
if (wsrc == NULL) {
uprintf(conversion_error, src);
goto out;
}
wsrc_len = wcslen(wsrc);
wrep = utf8_to_wchar(rep);
if (wrep == NULL) {
uprintf(conversion_error, rep);
@ -1176,13 +1179,13 @@ char* replace_in_token_data(const char* filename, const char* token, const char*
i += wcsspn(&buf[i], wspace);
// Our token should begin a line
if (_wcsnicmp(&buf[i], wtoken, wcslen(wtoken)) != 0) {
if (_wcsnicmp(&buf[i], wtoken, wtoken_len) != 0) {
fputws(buf, fd_out);
continue;
}
// Token was found, move past token
i += wcslen(wtoken);
i += wtoken_len;
// Skip whitespaces after token (while making sure there's at least one)
ns = wcsspn(&buf[i], wspace);
@ -1196,7 +1199,7 @@ char* replace_in_token_data(const char* filename, const char* token, const char*
continue;
}
i = (torep-buf) + wcslen(wsrc);
i = (torep-buf) + wsrc_len;
*torep = 0;
// coverity[invalid_type]
fwprintf_s(fd_out, L"%s%s%s", buf, wrep, &buf[i]);