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examples: consistent variable naming across examples

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- 'CURL *' handles are called 'curl'
- 'CURLM *' handles are called 'multi'
- write callbacks are called 'write_cb'
- read callbacs are called 'read_cb'
- CURLcode variables are called 'res'

It makes the examples look and feel more consistent. It allows for
easier copy and pasting between examples.

Closes #19299
This commit is contained in:
Daniel Stenberg 2025-10-31 14:42:30 +01:00
parent 0313223853
commit 928363f28c
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59 changed files with 715 additions and 725 deletions
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18
docs/examples/xmlstream.c
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@ -95,8 +95,8 @@ static void endElement(void *userData, const XML_Char *name)
printf("%5lu %10lu %s\n", state->depth, state->characters.size, name);
}
static size_t parseStreamCallback(void *contents, size_t length, size_t nmemb,
void *userp)
static size_t write_cb(void *contents, size_t length, size_t nmemb,
void *userp)
{
XML_Parser parser = (XML_Parser) userp;
size_t real_size = length * nmemb;
@ -116,14 +116,14 @@ static size_t parseStreamCallback(void *contents, size_t length, size_t nmemb,
int main(void)
{
CURL *curl_handle;
CURL *curl;
CURLcode res = curl_global_init(CURL_GLOBAL_ALL);
if(res)
return (int)res;
/* Initialize a libcurl handle. */
curl_handle = curl_easy_init();
curl = curl_easy_init();
if(curl) {
XML_Parser parser;
struct ParserStruct state;
@ -138,15 +138,15 @@ int main(void)
XML_SetElementHandler(parser, startElement, endElement);
XML_SetCharacterDataHandler(parser, characterDataHandler);
curl_easy_setopt(curl_handle, CURLOPT_URL,
curl_easy_setopt(curl, CURLOPT_URL,
"https://www.w3schools.com/xml/simple.xml");
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, parseStreamCallback);
curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)parser);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)parser);
printf("Depth Characters Closing Tag\n");
/* Perform the request and any follow-up parsing. */
res = curl_easy_perform(curl_handle);
res = curl_easy_perform(curl);
if(res != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(res));
@ -168,7 +168,7 @@ int main(void)
free(state.characters.memory);
XML_ParserFree(parser);
curl_easy_cleanup(curl_handle);
curl_easy_cleanup(curl);
}
curl_global_cleanup();