Replace uses of sprintf(3) with snprintf(3).
At -00, the compiler warns about sprintf(3), and it is promoted to an
error by -Werror.
Change-Id: Ibb380d27d7eb09dda8ac785be2478d656b379190
diff --git a/libc/dns/include/resolv_private.h b/libc/dns/include/resolv_private.h
index f4c67f3..5a1f25c 100644
--- a/libc/dns/include/resolv_private.h
+++ b/libc/dns/include/resolv_private.h
@@ -426,7 +426,7 @@
int b64_pton(char const *, u_char *, size_t);
#endif
int loc_aton(const char *, u_char *);
-const char * loc_ntoa(const u_char *, char *);
+const char * loc_ntoa(const u_char *, char *, size_t);
int dn_skipname(const u_char *, const u_char *);
void putlong(uint32_t, u_char *);
void putshort(uint16_t, u_char *);
diff --git a/libc/dns/nameser/ns_name.c b/libc/dns/nameser/ns_name.c
index e3759ab..3a202c1 100644
--- a/libc/dns/nameser/ns_name.c
+++ b/libc/dns/nameser/ns_name.c
@@ -43,12 +43,6 @@
#include <stdlib.h>
#include <limits.h>
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) ((int)strlen(sprintf/**/x))
-#else
-# define SPRINTF(x) (sprintf x)
-#endif
-
#define NS_TYPE_ELT 0x40 /* EDNS0 extended label type */
#define DNS_LABELTYPE_BITSTRING 0x41
@@ -1012,31 +1006,31 @@
return(-1);
cp++;
- i = SPRINTF((dn, "\\[x"));
+ i = snprintf(dn, eom - dn, "\\[x");
if (i < 0)
return (-1);
dn += i;
for (b = blen; b > 7; b -= 8, cp++) {
- i = SPRINTF((dn, "%02x", *cp & 0xff));
+ i = snprintf(dn, eom - dn, "%02x", *cp & 0xff);
if (i < 0)
return (-1);
dn += i;
}
if (b > 4) {
tc = *cp++;
- i = SPRINTF((dn, "%02x", tc & (0xff << (8 - b))));
+ i = snprintf(dn, eom - dn, "%02x", tc & (0xff << (8 - b)));
if (i < 0)
return (-1);
dn += i;
} else if (b > 0) {
tc = *cp++;
- i = SPRINTF((dn, "%1x",
- (((u_int32_t)tc >> 4) & 0x0f) & (0x0f << (4 - b))));
+ i = snprintf(dn, eom - dn, "%1x",
+ (((u_int32_t)tc >> 4) & 0x0f) & (0x0f << (4 - b)));
if (i < 0)
return (-1);
dn += i;
}
- i = SPRINTF((dn, "/%d]", blen));
+ i = snprintf(dn, eom - dn, "/%d]", blen);
if (i < 0)
return (-1);
dn += i;
diff --git a/libc/dns/nameser/ns_print.c b/libc/dns/nameser/ns_print.c
index 0a6a1d6..32c8715 100644
--- a/libc/dns/nameser/ns_print.c
+++ b/libc/dns/nameser/ns_print.c
@@ -48,12 +48,6 @@
#include <string.h>
#include <ctype.h>
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) ((int)strlen(sprintf/**/x))
-#else
-# define SPRINTF(x) (sprintf x)
-#endif
-
#ifndef MIN
#define MIN(x,y) ((x)<(y)?(x):(y))
#endif
@@ -155,7 +149,7 @@
*/
T(x = ns_format_ttl(ttl, buf, buflen));
addlen((size_t)x, &buf, &buflen);
- len = SPRINTF((tmp, " %s %s", p_class(class), p_type(type)));
+ len = snprintf(tmp, sizeof(tmp), " %s %s", p_class(class), p_type(type));
T(addstr(tmp, (size_t)len, &buf, &buflen));
T(spaced = addtab((size_t)(x + len), (size_t)16, spaced, &buf, &buflen));
@@ -218,7 +212,7 @@
/* Serial number. */
t = ns_get32(rdata); rdata += NS_INT32SZ;
T(addstr("\t\t\t\t\t", (size_t)5, &buf, &buflen));
- len = SPRINTF((tmp, "%lu", t));
+ len = snprintf(tmp, sizeof(tmp), "%lu", t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
T(spaced = addtab((size_t)len, (size_t)16, spaced, &buf, &buflen));
T(addstr("; serial\n", (size_t)9, &buf, &buflen));
@@ -275,7 +269,7 @@
/* Priority. */
t = ns_get16(rdata);
rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u ", t));
+ len = snprintf(tmp, sizeof(tmp), "%u ", t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Target. */
@@ -293,7 +287,7 @@
/* Priority. */
t = ns_get16(rdata);
rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u ", t));
+ len = snprintf(tmp, sizeof(tmp), "%u ", t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Name1. */
@@ -344,7 +338,7 @@
char t[255];
/* XXX protocol format checking? */
- (void) loc_ntoa(rdata, t);
+ (void) loc_ntoa(rdata, t, sizeof(t));
T(addstr(t, strlen(t), &buf, &buflen));
break;
}
@@ -359,7 +353,7 @@
/* Order, Precedence. */
order = ns_get16(rdata); rdata += NS_INT16SZ;
preference = ns_get16(rdata); rdata += NS_INT16SZ;
- len = SPRINTF((t, "%u %u ", order, preference));
+ len = snprintf(t, sizeof(t), "%u %u ", order, preference);
T(addstr(t, (size_t)len, &buf, &buflen));
/* Flags. */
@@ -401,7 +395,7 @@
priority = ns_get16(rdata); rdata += NS_INT16SZ;
weight = ns_get16(rdata); rdata += NS_INT16SZ;
port = ns_get16(rdata); rdata += NS_INT16SZ;
- len = SPRINTF((t, "%u %u %u ", priority, weight, port));
+ len = snprintf(t, sizeof(t), "%u %u %u ", priority, weight, port);
T(addstr(t, (size_t)len, &buf, &buflen));
/* Server. */
@@ -432,7 +426,7 @@
rdata += NS_INADDRSZ;
/* Protocol. */
- len = SPRINTF((tmp, " %u ( ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), " %u ( ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata += NS_INT8SZ;
@@ -449,7 +443,7 @@
lcnt = 10;
spaced = 0;
}
- len = SPRINTF((tmp, "%d ", n));
+ len = snprintf(tmp, sizeof(tmp), "%d ", n);
T(addstr(tmp, (size_t)len, &buf, &buflen));
lcnt--;
}
@@ -480,8 +474,8 @@
keyflags = ns_get16(rdata); rdata += NS_INT16SZ;
protocol = *rdata++;
algorithm = *rdata++;
- len = SPRINTF((tmp, "0x%04x %u %u",
- keyflags, protocol, algorithm));
+ len = snprintf(tmp, sizeof(tmp), "0x%04x %u %u",
+ keyflags, protocol, algorithm);
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Public key data. */
@@ -502,7 +496,7 @@
}
if (len > 15)
T(addstr(" )", (size_t)2, &buf, &buflen));
- n = SPRINTF((tmp, " ; key_tag= %u", key_id));
+ n = snprintf(tmp, sizeof(tmp), " ; key_tag= %u", key_id);
T(addstr(tmp, (size_t)n, &buf, &buflen));
break;
@@ -524,25 +518,25 @@
algorithm = *rdata++;
labels = *rdata++;
t = ns_get32(rdata); rdata += NS_INT32SZ;
- len = SPRINTF((tmp, "%s %d %d %lu ",
- p_type((int)typ), algorithm, labels, t));
+ len = snprintf(tmp, sizeof(tmp), "%s %d %d %lu ",
+ p_type((int)typ), algorithm, labels, t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
if (labels > (u_int)dn_count_labels(name))
goto formerr;
/* Signature expiry. */
t = ns_get32(rdata); rdata += NS_INT32SZ;
- len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+ len = snprintf(tmp, sizeof(tmp), "%s ", p_secstodate(t));
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Time signed. */
t = ns_get32(rdata); rdata += NS_INT32SZ;
- len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+ len = snprintf(tmp, sizeof(tmp), "%s ", p_secstodate(t));
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Signature Footprint. */
footprint = ns_get16(rdata); rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u ", footprint));
+ len = snprintf(tmp, sizeof(tmp), "%u ", footprint);
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Signer's name. */
@@ -579,7 +573,7 @@
n = edata - rdata;
for (c = 0; c < n*8; c++)
if (NS_NXT_BIT_ISSET(c, rdata)) {
- len = SPRINTF((tmp, " %s", p_type((int)c)));
+ len = snprintf(tmp, sizeof(tmp), " %s", p_type((int)c));
T(addstr(tmp, (size_t)len, &buf, &buflen));
}
break;
@@ -596,7 +590,7 @@
key_tag = ns_get16(rdata); rdata += NS_INT16SZ;
alg = (u_int) *rdata++;
- len = SPRINTF((tmp1, "%d %d %d ", c_type, key_tag, alg));
+ len = snprintf(tmp1, sizeof(tmp1), "%d %d %d ", c_type, key_tag, alg);
T(addstr(tmp1, (size_t)len, &buf, &buflen));
siz = (edata-rdata)*4/3 + 4; /* "+4" accounts for trailing \0 */
if (siz > sizeof(base64_cert) * 3/4) {
@@ -640,12 +634,12 @@
/* Inception. */
t = ns_get32(rdata); rdata += NS_INT32SZ;
- len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+ len = snprintf(tmp, sizeof(tmp), "%s ", p_secstodate(t));
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Experation. */
t = ns_get32(rdata); rdata += NS_INT32SZ;
- len = SPRINTF((tmp, "%s ", p_secstodate(t)));
+ len = snprintf(tmp, sizeof(tmp), "%s ", p_secstodate(t));
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* Mode , Error, Key Size. */
@@ -653,7 +647,7 @@
mode = ns_get16(rdata); rdata += NS_INT16SZ;
err = ns_get16(rdata); rdata += NS_INT16SZ;
keysize = ns_get16(rdata); rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u %u %u ", mode, err, keysize));
+ len = snprintf(tmp, sizeof(tmp), "%u %u %u ", mode, err, keysize);
T(addstr(tmp, (size_t)len, &buf, &buflen));
/* XXX need to dump key, print otherdata length & other data */
@@ -670,7 +664,7 @@
n = ns_get16(rdata); rdata += INT16SZ;
rdata += n; /* sig */
n = ns_get16(rdata); rdata += INT16SZ; /* original id */
- sprintf(buf, "%d", ns_get16(rdata));
+ snprintf(buf, buflen, "%d", ns_get16(rdata));
rdata += INT16SZ;
addlen(strlen(buf), &buf, &buflen);
break;
@@ -682,7 +676,7 @@
/* prefix length */
if (rdlen == 0U) goto formerr;
- len = SPRINTF((tmp, "%d ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%d ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
pbit = *rdata;
if (pbit > 128) goto formerr;
@@ -710,7 +704,7 @@
}
case ns_t_opt: {
- len = SPRINTF((tmp, "%u bytes", class));
+ len = snprintf(tmp, sizeof(tmp), "%u bytes", class);
T(addstr(tmp, (size_t)len, &buf, &buflen));
break;
}
@@ -724,21 +718,21 @@
if (rdlen < 4U) goto formerr;
t = ns_get16(rdata);
rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u ", t));
+ len = snprintf(tmp, sizeof(tmp), "%u ", t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
} else
if (rdlen < 2U) goto formerr;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
while (rdata < edata) {
- len = SPRINTF((tmp, "%02X", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%02X", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
}
@@ -749,17 +743,17 @@
case ns_t_nsec3param: {
u_int t, w, l, j, k, c;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
t = ns_get16(rdata);
rdata += NS_INT16SZ;
- len = SPRINTF((tmp, "%u ", t));
+ len = snprintf(tmp, sizeof(tmp), "%u ", t);
T(addstr(tmp, (size_t)len, &buf, &buflen));
t = *rdata++;
@@ -767,7 +761,7 @@
T(addstr("-", 1, &buf, &buflen));
} else {
while (t-- > 0) {
- len = SPRINTF((tmp, "%02X", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%02X", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
}
@@ -851,7 +845,7 @@
if ((rdata[j] & (0x80 >> k)) == 0)
continue;
c = w * 256 + j * 8 + k;
- len = SPRINTF((tmp, " %s", p_type((ns_type)c)));
+ len = snprintf(tmp, sizeof(tmp), " %s", p_type((ns_type)c));
T(addstr(tmp, (size_t)len, &buf, &buflen));
}
}
@@ -875,7 +869,7 @@
if ((rdata[j] & (0x80 >> k)) == 0)
continue;
c = w * 256 + j * 8 + k;
- len = SPRINTF((tmp, " %s", p_type((ns_type)c)));
+ len = snprintf(tmp, sizeof(tmp), " %s", p_type((ns_type)c));
T(addstr(tmp, (size_t)len, &buf, &buflen));
}
}
@@ -949,15 +943,15 @@
goto hexify;
}
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
- len = SPRINTF((tmp, "%u ", *rdata));
+ len = snprintf(tmp, sizeof(tmp), "%u ", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
@@ -1030,11 +1024,11 @@
const char *str = "record too long to print";
T(addstr(str, strlen(str), &buf, &buflen));
} else {
- len = sprintf(tmp, "( %u ", algorithm);
+ len = snprintf(tmp, sizeof(tmp), "( %u ", algorithm);
T(addstr(tmp, (size_t)len, &buf, &buflen));
for (i = 0; i < hip_len; i++) {
- len = sprintf(tmp, "%02X", *rdata);
+ len = snprintf(tmp, sizeof(tmp), "%02X", *rdata);
T(addstr(tmp, (size_t)len, &buf, &buflen));
rdata++;
}
@@ -1069,23 +1063,23 @@
int n, m;
char *p;
- len = SPRINTF((tmp, "\\# %u%s\t; %s", (unsigned)(edata - rdata),
- rdlen != 0U ? " (" : "", comment));
+ len = snprintf(tmp, sizeof(tmp), "\\# %u%s\t; %s", (unsigned)(edata - rdata),
+ rdlen != 0U ? " (" : "", comment);
T(addstr(tmp, (size_t)len, &buf, &buflen));
while (rdata < edata) {
p = tmp;
- p += SPRINTF((p, "\n\t"));
+ p += snprintf(p, sizeof(tmp), "\n\t");
spaced = 0;
n = MIN(16, (int)(edata - rdata));
for (m = 0; m < n; m++)
- p += SPRINTF((p, "%02x ", rdata[m]));
+ p += snprintf(p, sizeof(tmp) - (p - tmp), "%02x ", rdata[m]);
T(addstr(tmp, (size_t)(p - tmp), &buf, &buflen));
if (n < 16) {
T(addstr(")", (size_t)1, &buf, &buflen));
T(addtab((size_t)(p - tmp + 1), (size_t)48, spaced, &buf, &buflen));
}
p = tmp;
- p += SPRINTF((p, "; "));
+ p += snprintf(p, sizeof(tmp), "; ");
for (m = 0; m < n; m++)
*p++ = (isascii(rdata[m]) && isprint(rdata[m]))
? rdata[m]
diff --git a/libc/dns/nameser/ns_ttl.c b/libc/dns/nameser/ns_ttl.c
index 2395b99..de073b8 100644
--- a/libc/dns/nameser/ns_ttl.c
+++ b/libc/dns/nameser/ns_ttl.c
@@ -36,12 +36,6 @@
#include <stdio.h>
#include <string.h>
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) strlen(sprintf/**/x)
-#else
-# define SPRINTF(x) ((size_t)sprintf x)
-#endif
-
/* Forward. */
static int fmt1(int t, char s, char **buf, size_t *buflen);
@@ -157,8 +151,8 @@
char tmp[50];
size_t len;
- len = SPRINTF((tmp, "%d%c", t, s));
- if (len + 1 > *buflen)
+ len = (size_t)snprintf(tmp, sizeof(tmp), "%d%c", t, s);
+ if ((int)len < 0 || len + 1 > *buflen)
return (-1);
strcpy(*buf, tmp);
*buf += len;
diff --git a/libc/dns/resolv/res_cache.c b/libc/dns/resolv/res_cache.c
index 9ca5419..dd77693 100644
--- a/libc/dns/resolv/res_cache.c
+++ b/libc/dns/resolv/res_cache.c
@@ -1915,7 +1915,7 @@
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM; /*dummy*/
hints.ai_flags = AI_NUMERICHOST;
- sprintf(sbuf, "%u", NAMESERVER_PORT);
+ snprintf(sbuf, sizeof(sbuf), "%u", NAMESERVER_PORT);
index = 0;
for (i = 0; i < numservers && i < MAXNS; i++) {
diff --git a/libc/dns/resolv/res_debug.c b/libc/dns/resolv/res_debug.c
index 7a05a5f..5f889cb 100644
--- a/libc/dns/resolv/res_debug.c
+++ b/libc/dns/resolv/res_debug.c
@@ -126,14 +126,6 @@
#include <strings.h>
#include <time.h>
-
-
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) strlen(sprintf/**/x)
-#else
-# define SPRINTF(x) sprintf x
-#endif
-
extern const char * const _res_opcodes[];
extern const char * const _res_sectioncodes[];
@@ -588,7 +580,7 @@
}
}
- sprintf(unname, "%d", number); /* XXX nonreentrant */
+ snprintf(unname, sizeof(unname), "%d", number); /* XXX nonreentrant */
if (success)
*success = 0;
return (unname);
@@ -605,7 +597,7 @@
return (syms->humanname);
}
}
- sprintf(unname, "%d", number); /* XXX nonreentrant */
+ snprintf(unname, sizeof(unname), "%d", number); /* XXX nonreentrant */
if (success)
*success = 0;
return (unname);
@@ -625,7 +617,7 @@
return (result);
if (type < 0 || type > 0xffff)
return ("BADTYPE");
- sprintf(typebuf, "TYPE%d", type);
+ snprintf(typebuf, sizeof(typebuf), "TYPE%d", type);
return (typebuf);
}
@@ -661,7 +653,7 @@
return (result);
if (class < 0 || class > 0xffff)
return ("BADCLASS");
- sprintf(classbuf, "CLASS%d", class);
+ snprintf(classbuf, sizeof(classbuf), "CLASS%d", class);
return (classbuf);
}
@@ -703,7 +695,7 @@
case RES_NO_NIBBLE2: return "no-nibble2";
#endif
/* XXX nonreentrant */
- default: sprintf(nbuf, "?0x%lx?", (u_long)option);
+ default: snprintf(nbuf, sizeof(nbuf), "?0x%lx?", (u_long)option);
return (nbuf);
}
}
@@ -716,7 +708,7 @@
static char nbuf[40]; /* XXX nonreentrant */
if (ns_format_ttl((u_long)value, nbuf, sizeof nbuf) < 0)
- sprintf(nbuf, "%u", value);
+ snprintf(nbuf, sizeof(nbuf), "%u", value);
return (nbuf);
}
@@ -745,7 +737,7 @@
break;
#endif
default:
- sprintf(ret, "[af%d]", u.sin.sin_family);
+ snprintf(ret, sizeof(ret), "[af%d]", u.sin.sin_family);
break;
}
if (size > 0U) {
@@ -777,7 +769,7 @@
val = mantissa * poweroften[exponent];
- (void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100);
+ (void) snprintf(retbuf, sizeof(retbuf), "%lu.%.2lu", val/100, val%100);
return (retbuf);
}
@@ -1028,7 +1020,7 @@
/* takes an on-the-wire LOC RR and formats it in a human readable format. */
const char *
-loc_ntoa(const u_char *binary, char *ascii)
+loc_ntoa(const u_char *binary, char *ascii, size_t bufsiz)
{
static const char *error = "?";
static char tmpbuf[sizeof
@@ -1055,7 +1047,7 @@
ascii = tmpbuf;
if (versionval) {
- (void) sprintf(ascii, "; error: unknown LOC RR version");
+ (void) snprintf(ascii, bufsiz, "; error: unknown LOC RR version");
return (ascii);
}
@@ -1114,7 +1106,7 @@
hpstr = strdup(precsize_ntoa((u_int32_t)hpval));
vpstr = strdup(precsize_ntoa((u_int32_t)vpval));
- sprintf(ascii,
+ snprintf(ascii, bufsiz,
"%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
latdeg, latmin, latsec, latsecfrac, northsouth,
longdeg, longmin, longsec, longsecfrac, eastwest,
@@ -1180,7 +1172,7 @@
#endif
mytime->tm_year += 1900;
mytime->tm_mon += 1;
- sprintf(output, "%04d%02d%02d%02d%02d%02d",
+ snprintf(output, sizeof(output), "%04d%02d%02d%02d%02d%02d",
mytime->tm_year, mytime->tm_mon, mytime->tm_mday,
mytime->tm_hour, mytime->tm_min, mytime->tm_sec);
return (output);
diff --git a/libc/dns/resolv/res_query.c b/libc/dns/resolv/res_query.c
index 6cd9b15..09be8b4 100644
--- a/libc/dns/resolv/res_query.c
+++ b/libc/dns/resolv/res_query.c
@@ -414,7 +414,7 @@
RES_SET_H_ERRNO(statp, NO_RECOVERY);
return (-1);
}
- sprintf(nbuf, "%s.%s", name, domain);
+ snprintf(nbuf, sizeof(nbuf), "%s.%s", name, domain);
}
return (res_nquery(statp, longname, class, type, answer, anslen));
}