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examples: check more errors, fix cleanups, scope variables

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Inspired by Joshua's report on examples.

Closes #19055
This commit is contained in:
Viktor Szakats 2025-10-13 22:57:01 +02:00
parent 61dcb56743
commit 64ed2ea196
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GPG key ID: B5ABD165E2AEF201
42 changed files with 874 additions and 785 deletions
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49
docs/examples/htmltidy.c
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@ -92,42 +92,47 @@ int main(int argc, char **argv)
if(res)
return (int)res;
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errbuf);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
tdoc = tidyCreate();
tidyOptSetBool(tdoc, TidyForceOutput, yes); /* try harder */
tidyOptSetInt(tdoc, TidyWrapLen, 4096);
tidySetErrorBuffer(tdoc, &tidy_errbuf);
tidyBufInit(&docbuf);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &docbuf);
res = curl_easy_perform(curl);
if(!res) {
res = tidyParseBuffer(tdoc, &docbuf); /* parse the input */
if(res >= 0) {
res = tidyCleanAndRepair(tdoc); /* fix any problems */
curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errbuf);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &docbuf);
res = curl_easy_perform(curl);
if(!res) {
res = tidyParseBuffer(tdoc, &docbuf); /* parse the input */
if(res >= 0) {
res = tidyRunDiagnostics(tdoc); /* load tidy error buffer */
res = tidyCleanAndRepair(tdoc); /* fix any problems */
if(res >= 0) {
dumpNode(tdoc, tidyGetRoot(tdoc), 0); /* walk the tree */
fprintf(stderr, "%s\n", tidy_errbuf.bp); /* show errors */
res = tidyRunDiagnostics(tdoc); /* load tidy error buffer */
if(res >= 0) {
dumpNode(tdoc, tidyGetRoot(tdoc), 0); /* walk the tree */
fprintf(stderr, "%s\n", tidy_errbuf.bp); /* show errors */
}
}
}
}
}
else
fprintf(stderr, "%s\n", curl_errbuf);
else
fprintf(stderr, "%s\n", curl_errbuf);
/* clean-up */
curl_easy_cleanup(curl);
}
/* clean-up */
curl_easy_cleanup(curl);
curl_global_cleanup();
tidyBufFree(&docbuf);
tidyBufFree(&tidy_errbuf);
tidyRelease(tdoc);
curl_global_cleanup();
return (int)res;
}