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ctype(3) functions need there arguments to be unsigned char
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7 changed files with 11 additions and 8 deletions
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@ -1507,7 +1507,7 @@ static int openssl_delete_cert_info(void) {
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progname = diag_get_string('p');
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envprefix[0] = '\0'; strncat(envprefix, progname, XIO_ENVNAMELEN-1);
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l = strlen(envprefix);
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for (i = 0; i < l; ++i) envprefix[i] = toupper(envprefix[i]);
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for (i = 0; i < l; ++i) envprefix[i] = toupper((unsigned char)envprefix[i]);
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strncat(envprefix+l, "_OPENSSL_", XIO_ENVNAMELEN-l-1);
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#if HAVE_VAR_ENVIRON
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