better treatment of the config->errors, only fclose() this if it was
truly fopen()ed. It could end up fclose()ing a NULL as discovered by Clifford Wolf.
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@ -455,6 +455,7 @@ struct Configurable {
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char *writeout; /* %-styled format string to output */
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FILE *errors; /* if stderr redirect is requested */
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bool errors_fopened;
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struct curl_slist *quote;
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struct curl_slist *postquote;
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@ -1031,8 +1032,10 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
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config->crlf = TRUE;
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break;
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case '8': /* there is no short letter for this */
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if(strcmp(nextarg, "-"))
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if(strcmp(nextarg, "-")) {
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config->errors = fopen(nextarg, "wt");
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config->errors_fopened = TRUE;
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}
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else
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config->errors = stdout;
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break;
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@ -2487,9 +2490,7 @@ operate(struct Configurable *config, int argc, char *argv[])
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/* cleanup the curl handle! */
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curl_easy_cleanup(curl);
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if((config->errors != stderr) &&
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(config->errors != stdout))
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/* it wasn't directed to stdout or stderr so close the file! */
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if(config->errors_fopened)
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fclose(config->errors);
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main_free(); /* cleanup */
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