Avoid signed vs. unsigned warnings (which are treated like errors on

[openssl.git] / crypto / asn1 / a_utctm.c

diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c
index ed2d827db2f221511f58e5ed59d89d2c2eec063c..999852dae5270086e2066de76d9d07dccb6912de 100644 (file)
--- a/crypto/asn1/a_utctm.c
+++ b/crypto/asn1/a_utctm.c
@@ -188,6 +188,7 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
        char *p;
        struct tm *ts;
        struct tm data;
+       size_t len = 20;
 
        if (s == NULL)
                s=M_ASN1_UTCTIME_new();
@@ -199,17 +200,17 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
                return(NULL);
 
        p=(char *)s->data;
-       if ((p == NULL) || (s->length < 14))
+       if ((p == NULL) || ((size_t)s->length < len))
                {
-               p=OPENSSL_malloc(20);
+               p=OPENSSL_malloc(len);
                if (p == NULL) return(NULL);
                if (s->data != NULL)
                        OPENSSL_free(s->data);
                s->data=(unsigned char *)p;
                }
 
-       sprintf(p,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
-               ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
+       BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
+                    ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
        s->length=strlen(p);
        s->type=V_ASN1_UTCTIME;
 #ifdef CHARSET_EBCDIC_not
@@ -222,6 +223,7 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
        {
        struct tm *tm;
+       struct tm data;
        int offset;
        int year;
 
@@ -238,7 +240,7 @@ int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
 
        t -= offset*60; /* FIXME: may overflow in extreme cases */
 
-       { struct tm data; tm = OPENSSL_gmtime(&t, &data); }
+       tm = OPENSSL_gmtime(&t, &data);
        
 #define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1
        year = g2(s->data);