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x509asn1: minor edit to unconfuse Coverity 

CID 1202732 warns on the previous use, although I cannot fine any
problems with it. I'm doing this change only to make the code use a more
familiar approach to accomplish the same thing.
This commit is contained in:
Daniel Stenberg 2015-03-21 16:21:01 +01:00
parent 57dc2f7e40
commit e6917d3b77
1 changed files with 1 additions and 3 deletions
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4
lib/x509asn1.c
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@ -536,8 +536,6 @@ static const char * UTime2str(const char * beg, const char * end)
const char * Curl_ASN1tostr(curl_asn1Element * elem, int type)
{
static const char zero = '\0';
/* Convert an ASN.1 element to a printable string.
Return the dynamically allocated string, or NULL if an error occurs. */
@ -558,7 +556,7 @@ const char * Curl_ASN1tostr(curl_asn1Element * elem, int type)
case CURL_ASN1_OCTET_STRING:
return octet2str(elem->beg, elem->end);
case CURL_ASN1_NULL:
return strdup(&zero);
return strdup("");
case CURL_ASN1_OBJECT_IDENTIFIER:
return OID2str(elem->beg, elem->end, TRUE);
case CURL_ASN1_UTC_TIME: