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Merge branch 'marka-silence-clang-v9_14' into 'v9_14'

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silence clang warning by using local variable.

See merge request isc-projects/bind9!2441
This commit is contained in:
Mark Andrews 2019-10-03 21:58:45 -04:00
commit b396c9dfde
1 changed files with 12 additions and 8 deletions
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20
bin/dnssec/dnssec-dsfromkey.c
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@ -348,7 +348,7 @@ main(int argc, char **argv) {
char *classname = NULL;
char *filename = NULL, *dir = NULL, *namestr;
char *lookaside = NULL;
char *endp;
char *endp, *arg1;
int ch;
dns_dsdigest_t dtype = DNS_DSDIGEST_SHA1;
bool cds = false;
@ -476,10 +476,15 @@ main(int argc, char **argv) {
showall = true;
}
if (argc < isc_commandline_index + 1 && filename == NULL) {
/*
* Use local variable arg1 so that clang can correctly analyse
* reachable paths rather than 'argc < isc_commandline_index + 1'.
*/
arg1 = argv[isc_commandline_index];
if (arg1 == NULL && filename == NULL) {
fatal("the key file name was not specified");
}
if (argc > isc_commandline_index + 1) {
if (arg1 != NULL && argv[isc_commandline_index + 1] != NULL) {
fatal("extraneous arguments");
}
@ -494,11 +499,11 @@ main(int argc, char **argv) {
dns_rdataset_init(&rdataset);
if (usekeyset || filename != NULL) {
if (argc < isc_commandline_index + 1) {
/* using zone name as the zone file name */
if (arg1 == NULL) {
/* using file name as the zone name */
namestr = filename;
} else {
namestr = argv[isc_commandline_index];
namestr = arg1;
}
result = initname(namestr);
@ -540,8 +545,7 @@ main(int argc, char **argv) {
} else {
unsigned char key_buf[DST_KEY_MAXSIZE];
loadkey(argv[isc_commandline_index], key_buf,
DST_KEY_MAXSIZE, &rdata);
loadkey(arg1, key_buf, DST_KEY_MAXSIZE, &rdata);
if (both) {
emit(DNS_DSDIGEST_SHA1, showall, lookaside, cds,