protocol: simpler Curl_getn_scheme runs faster

Iterating unit test 1627 50,000 times show the new version to be 31%
faster on my machine.

- unit1627: add more test strings, In particular three, five and six letter
  non-existing schemes.

- remove scripts/schemetable.c, not used anymore

Closes #22658
This commit is contained in:
Daniel Stenberg 2026-08-24 11:07:17 +02:00
parent c2676bf9e6
commit 2687751471
No known key found for this signature in database
GPG key ID: 5CC908FDB71E12C2
7 changed files with 274 additions and 272 deletions

View file

@ -26,11 +26,13 @@
#include "url.h"
#include "strcase.h"
#define ITERATIONS1627 1 /* edit for performance measurements */
static CURLcode test_unit1627(const char *arg)
{
UNITTEST_BEGIN_SIMPLE
size_t i, j;
size_t i = 0, j = 0, a;
/* existing schemes in different cases */
static const char * const okay[] = {
/* all upper */
@ -48,9 +50,19 @@ static CURLcode test_unit1627(const char *arg)
"imAP", "imaPS", "LDap", "LDAps", "mQTT", "mqtTS", "pOP3", "pOP3s",
"RtsP", "ScP", "SFtP", "Smb", "smBS", "sMTP", "SMTPs",
"TELNEt", "tFTP", "Ws", "wSS",
"SOCKS", "SOCKS4", "SOCKS5", "SOCKS4A", "SOCKS5H",
"socks", "socks4", "socks5", "socks4a", "socks5h",
"Socks", "sOcks4", "soCks5", "socKs4a", "sockS5h",
};
/* non-existing schemes */
static const char * const notokay[] = {
"a", "A", "ht", "tt", "tt", "p+", "TPP", "PPS", "TSP",
"HER", "1CT", "AbG", "LQp", "rtW", "PkY", "xZq", "LmO",
"hyT", "wQA", "dfG", "BvC", "iuY", "ewQ", "dfG", "Jkl",
"NbV", "cXz", "OiU", "SrE", "QaS", "ghJ", "LmN", "VcX", "PoI",
"YtR", "WqA", "DfG", "JkL", "XcV", "NmM", "WeR", "YuI", "PaS",
"a", "A", "htt", "ttp", "httt", "http+", "HTTPP", "HTTPPS", "HTTSP",
"GROPHER", "D1CT", "AbG", "zLQp", "mNrtW", "PkY", "bVcxZq", "LmO",
"iUhyT", "rEwQA", "xSdfG", "nBvC", "pOiuY", "tRewQ", "aSdfG", "hJkl",
@ -64,37 +76,84 @@ static CURLcode test_unit1627(const char *arg)
"AsDf", "GhJk", "LzXc", "VbNm", "qWeR", "tYuI", "oPaS", "dFgH", "jKlZ",
"xCvB", "nMqW", "eRtY", "uIoP", "aSdF", "gHjK", "lZxC", "vBnM", "QwEr",
"TyUi", "OpAs", "DfGh", "JkLz", "XcVb", "NmqW", "ErTy", "UiOp", "AsDf",
"GhJk", "LzXc", "VbNm"
"GhJk", "LzXc", "VbNm",
"aa", "Aa", "htta", "ttpa", "httta", "http+a", "HTTPPa", "HTTPPSa",
"HTTSPa", "GROPHERa", "D1CTa", "AbGa", "zLQpa", "mNrtWa", "PkYa",
"bVcxZqa", "LmOa", "iUhyTa", "rEwQAa", "xSdfGa", "nBvCa", "pOiuYa",
"tRewQa", "aSdfGa", "hJkla", "mNbVa", "cXza", "pOiUa", "yTrEa", "wQaSa",
"dFghJa", "kLmNa", "bVcXa", "zPoIa", "uYtRa", "eWqAa", "sDfGa", "hJkLa",
"zXcVa", "bNmMa", "qWeRa", "tYuIa", "oPaSa", "dFgHa", "jKlZa", "xCvBa",
"nMqWa", "eRtYa", "uIoPa", "aSdFa", "gHjKa", "lZxCa", "vBnMa", "QwEra",
"TyUia", "OpAsa", "DfGha", "JkLza", "XcVba", "NmqWa", "ErTya", "UiOpa",
"AsDfa", "GhJka", "LzXca", "VbNma", "qweRa", "tyuIa", "opaDa", "fghJa",
"klzxa", "cvbna", "mQWa", "ErTya", "UiOpa", "AsDfa", "GhJka", "LzXca",
"VbNma", "QwEra", "TyUia", "OpAsa", "DfGha", "JkLza", "XcVba", "NmqWa",
"ErTya", "UiOpa", "AsDfa", "GhJka", "LzXca", "VbNma", "qWeRa", "tYuIa",
"oPaSa", "dFgHa", "jKlZa", "xCvBa", "nMqWa", "eRtYa", "uIoPa", "aSdFa",
"gHjKa", "lZxCa", "vBnMa", "QwEra", "TyUia", "OpAsa", "DfGha", "JkLza",
"XcVba", "NmqWa", "ErTya", "UiOpa", "AsDfa", "GhJka", "LzXca", "VbNma",
"aab", "Aab", "httab", "ttpab", "htttab", "http+ab", "HTTPPab", "HTTPPSab",
"HTTSPab", "GROPHERab", "D1CTab", "AbGab", "zLQpab", "mNrtWab", "PkYab",
"bVcxZqab", "LmOab", "iUhyTab", "rEwQAab", "xSdfGab", "nBvCab", "pOiuYab",
"tRewQab", "aSdfGab", "hJklab", "mNbVab", "cXzab", "pOiUab", "yTrEab",
"wQaSab", "dFghJab", "kLmNab", "bVcXab", "zPoIab", "uYtRab", "eWqAab",
"sDfGab", "hJkLab", "zXcVab", "bNmMab", "qWeRab", "tYuIab", "oPaSab",
"dFgHab", "jKlZab", "xCvBab", "nMqWab", "eRtYab", "uIoPab", "aSdFab",
"gHjKab", "lZxCab", "vBnMab", "QwErab", "TyUiab", "OpAsab", "DfGhab",
"JkLzab", "XcVbab", "NmqWab", "ErTyab", "UiOpab", "AsDfab", "GhJkab",
"LzXcab", "VbNmab", "qweRab", "tyuIab", "opaDab", "fghJab", "klzxab",
"cvbnab", "mQWab", "ErTyab", "UiOpab", "AsDfab", "GhJkab", "LzXcab",
"VbNmab", "QwErab", "TyUiab", "OpAsab", "DfGhab", "JkLzab", "XcVbab",
"NmqWab", "ErTyab", "UiOpab", "AsDfab", "GhJkab", "LzXcab", "VbNmab",
"qWeRab", "tYuIab", "oPaSab", "dFgHab", "jKlZab", "xCvBab", "nMqWab",
"eRtYab", "uIoPab", "aSdFab", "gHjKab", "lZxCab", "vBnMab", "QwErab",
"TyUiab", "OpAsab", "DfGhab", "JkLzab", "XcVbab", "NmqWab", "ErTyab",
"UiOpab", "AsDfab", "GhJkab", "LzXcab", "VbNmab",
"dictt", "filee", "ftpp", "ftpss", "gopherr", "gopherss", "httpp",
"httpss", "imapp", "imapss", "ldapp", "ldapss", "mqttt", "mqttss",
"pop33", "pop3ss", "rtspp", "scpp", "sftpp", "smbb", "smbss", "smtpp",
"smtpss", "telnett", "tftpp", "wsw", "wsss",
"DIC", "FIL", "FT", "TPS", "GOPHE", "OPHER", "HTT", "TTPS",
"IMA", "APS", "LDA", "APS", "MQT", "TTS", "POP", "P3S",
"RTS", "SC", "SFT", "SM", "BS", "SMT", "TPS",
"TELNE", "TFT", "W", "S",
};
for(i = 0; i < CURL_ARRAYSIZE(okay); i++) {
char buffer[32];
const struct Curl_scheme *get = Curl_get_scheme(okay[i]);
if(get) {
/* verify that we got the correct scheme */
if(!curl_strequal(get->name, okay[i]))
get = NULL;
for(a = 0 ; a < ITERATIONS1627; a++) {
for(i = 0; i < CURL_ARRAYSIZE(okay); i++) {
char buffer[32];
const struct Curl_scheme *get = Curl_get_scheme(okay[i]);
if(get) {
/* verify that we got the correct scheme */
if(!curl_strequal(get->name, okay[i]))
get = NULL;
}
if(!get) {
curl_mprintf("Input: %s, expected okay\n", okay[i]);
break;
}
Curl_strntolower(buffer, okay[i], strlen(okay[i]));
buffer[strlen(okay[i])] = 0;
if(strcmp(buffer, get->name)) {
curl_mprintf("Input: %s is not lowercase: %s\n", buffer, get->name);
break;
}
}
if(!get) {
curl_mprintf("Input: %s, expected okay\n", okay[i]);
break;
}
Curl_strntolower(buffer, okay[i], strlen(okay[i]));
buffer[strlen(okay[i])] = 0;
if(strcmp(buffer, get->name)) {
curl_mprintf("Input: %s is not lowercase: %s\n", buffer, get->name);
break;
}
}
for(j = 0; j < CURL_ARRAYSIZE(notokay); j++) {
const struct Curl_scheme *get = Curl_get_scheme(notokay[j]);
if(get) {
curl_mprintf("Input: %s, expected not okay\n", notokay[j]);
break;
for(j = 0; j < CURL_ARRAYSIZE(notokay); j++) {
const struct Curl_scheme *get = Curl_get_scheme(notokay[j]);
if(get) {
curl_mprintf("Input: %s, expected not okay\n", notokay[j]);
break;
}
}
}
curl_mprintf("%zu invokes\n", i + j);
curl_mprintf("%zu invokes\n", (i + j) * ITERATIONS1627);
if(i != CURL_ARRAYSIZE(okay) ||
j != CURL_ARRAYSIZE(notokay))