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getinfo: improve perf in debug mode

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Save some cpu cycles in debug mode for getinfo. Look up env vars for
overwriting variables only when variables are actually requested.

Closes #19525
This commit is contained in:
Stefan Eissing 2025-11-14 12:45:58 +01:00 • committed by Daniel Stenberg
parent 9a633ec04f
commit 0abb72210e
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 59 additions and 56 deletions
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115
lib/getinfo.c
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@ -204,31 +204,31 @@ static CURLcode getinfo_long(struct Curl_easy *data, CURLINFO info,
} lptr;
#ifdef DEBUGBUILD
const char *timestr = getenv("CURL_TIME");
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, TIME_T_MAX);
switch(info) {
case CURLINFO_LOCAL_PORT:
*param_longp = (long)val;
return CURLE_OK;
default:
break;
}
}
const char *envstr;
/* use another variable for this to allow different values */
timestr = getenv("CURL_DEBUG_SIZE");
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, LONG_MAX);
switch(info) {
case CURLINFO_HEADER_SIZE:
case CURLINFO_REQUEST_SIZE:
switch(info) {
case CURLINFO_LOCAL_PORT:
envstr = getenv("CURL_TIME");
if(envstr) {
curl_off_t val;
curlx_str_number(&envstr, &val, TIME_T_MAX);
*param_longp = (long)val;
return CURLE_OK;
default:
break;
}
break;
case CURLINFO_HEADER_SIZE:
case CURLINFO_REQUEST_SIZE:
envstr = getenv("CURL_DEBUG_SIZE");
if(envstr) {
curl_off_t val;
curlx_str_number(&envstr, &val, LONG_MAX);
*param_longp = (long)val;
return CURLE_OK;
}
break;
default:
break;
}
#endif
@ -381,28 +381,29 @@ static CURLcode getinfo_offt(struct Curl_easy *data, CURLINFO info,
curl_off_t *param_offt)
{
#ifdef DEBUGBUILD
const char *timestr = getenv("CURL_TIME");
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);
switch(info) {
case CURLINFO_TOTAL_TIME_T:
case CURLINFO_NAMELOOKUP_TIME_T:
case CURLINFO_CONNECT_TIME_T:
case CURLINFO_APPCONNECT_TIME_T:
case CURLINFO_PRETRANSFER_TIME_T:
case CURLINFO_POSTTRANSFER_TIME_T:
case CURLINFO_QUEUE_TIME_T:
case CURLINFO_STARTTRANSFER_TIME_T:
case CURLINFO_REDIRECT_TIME_T:
case CURLINFO_SPEED_DOWNLOAD_T:
case CURLINFO_SPEED_UPLOAD_T:
const char *envstr;
switch(info) {
case CURLINFO_TOTAL_TIME_T:
case CURLINFO_NAMELOOKUP_TIME_T:
case CURLINFO_CONNECT_TIME_T:
case CURLINFO_APPCONNECT_TIME_T:
case CURLINFO_PRETRANSFER_TIME_T:
case CURLINFO_POSTTRANSFER_TIME_T:
case CURLINFO_QUEUE_TIME_T:
case CURLINFO_STARTTRANSFER_TIME_T:
case CURLINFO_REDIRECT_TIME_T:
case CURLINFO_SPEED_DOWNLOAD_T:
case CURLINFO_SPEED_UPLOAD_T:
envstr = getenv("CURL_TIME");
if(envstr) {
curl_off_t val;
curlx_str_number(&envstr, &val, CURL_OFF_T_MAX);
*param_offt = (curl_off_t)val;
return CURLE_OK;
default:
break;
}
break;
default:
break;
}
#endif
switch(info) {
@ -480,26 +481,28 @@ static CURLcode getinfo_double(struct Curl_easy *data, CURLINFO info,
double *param_doublep)
{
#ifdef DEBUGBUILD
const char *timestr = getenv("CURL_TIME");
if(timestr) {
curl_off_t val;
curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);
const char *envstr;
switch(info) {
case CURLINFO_TOTAL_TIME:
case CURLINFO_NAMELOOKUP_TIME:
case CURLINFO_CONNECT_TIME:
case CURLINFO_APPCONNECT_TIME:
case CURLINFO_PRETRANSFER_TIME:
case CURLINFO_STARTTRANSFER_TIME:
case CURLINFO_REDIRECT_TIME:
case CURLINFO_SPEED_DOWNLOAD:
case CURLINFO_SPEED_UPLOAD:
switch(info) {
case CURLINFO_TOTAL_TIME:
case CURLINFO_NAMELOOKUP_TIME:
case CURLINFO_CONNECT_TIME:
case CURLINFO_APPCONNECT_TIME:
case CURLINFO_PRETRANSFER_TIME:
case CURLINFO_STARTTRANSFER_TIME:
case CURLINFO_REDIRECT_TIME:
case CURLINFO_SPEED_DOWNLOAD:
case CURLINFO_SPEED_UPLOAD:
envstr = getenv("CURL_TIME");
if(envstr) {
curl_off_t val;
curlx_str_number(&envstr, &val, CURL_OFF_T_MAX);
*param_doublep = (double)val;
return CURLE_OK;
default:
break;
}
break;
default:
break;
}
#endif
switch(info) {