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more str{n}{cat,cpy} corrections rt45981_stage2

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This commit is contained in:
Mark Andrews
2017-09-14 18:11:56 +10:00
parent bbe9f1dd95
commit cb629cdeda
26 changed files with 106 additions and 127 deletions
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8
lib/dns/rdata.c
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@@ -1339,8 +1339,12 @@ dns_rdatatype_fromtext(dns_rdatatype_t *typep, isc_textregion_t *source) {
char *endp;
unsigned int val;
strncpy(buf, source->base + 4, source->length - 4);
buf[source->length - 4] = '\0';
/*
* source->base is not required to be NUL terminated.
* Copy up to remaining bytes and NUL terminate.
*/
strlcpy(buf, source->base + 4,
ISC_MIN(source->length - 4 + 1, sizeof(buf)));
val = strtoul(buf, &endp, 10);
if (*endp == '\0' && val <= 0xffff) {
*typep = (dns_rdatatype_t)val;