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Handle snrintf() returning -1.

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MFC after: 2 weeks
This commit is contained in:
Brian Somers 2001-08-20 12:31:13 +00:00
parent 21f083c0a6
commit a53a9f6906
1 changed files with 30 additions and 16 deletions
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46
lib/libc/rpc/clnt_perror.c
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@ -94,9 +94,10 @@ clnt_sperror(rpch, s)
strstart = str;
CLNT_GETERR(rpch, &e);
i = snprintf(str, len, "%s: ", s);
str += i;
len -= i;
if ((i = snprintf(str, len, "%s: ", s)) > 0) {
str += i;
len -= i;
}
(void)strncpy(str, clnt_sperrno(e.re_status), len - 1);
i = strlen(str);
@ -122,22 +123,28 @@ clnt_sperror(rpch, s)
case RPC_CANTSEND:
case RPC_CANTRECV:
i = snprintf(str, len, "; errno = %s", strerror(e.re_errno));
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
break;
case RPC_VERSMISMATCH:
i = snprintf(str, len, "; low version = %u, high version = %u",
e.re_vers.low, e.re_vers.high);
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
break;
case RPC_AUTHERROR:
err = auth_errmsg(e.re_why);
i = snprintf(str, len, "; why = ");
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
if (err != NULL) {
i = snprintf(str, len, "%s",err);
} else {
@ -145,22 +152,28 @@ clnt_sperror(rpch, s)
"(unknown authentication error - %d)",
(int) e.re_why);
}
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
break;
case RPC_PROGVERSMISMATCH:
i = snprintf(str, len, "; low version = %u, high version = %u",
e.re_vers.low, e.re_vers.high);
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
break;
default: /* unknown */
i = snprintf(str, len, "; s1 = %u, s2 = %u",
e.re_lb.s1, e.re_lb.s2);
str += i;
len -= i;
if (i > 0) {
str += i;
len -= i;
}
break;
}
strstart[CLNT_PERROR_BUFLEN-1] = '\0';
@ -239,7 +252,8 @@ clnt_spcreateerror(s)
return(0);
len = CLNT_PERROR_BUFLEN;
i = snprintf(str, len, "%s: ", s);
len -= i;
if (i > 0)
len -= i;
(void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1);
switch (rpc_createerr.cf_stat) {
case RPC_PMAPFAILURE: