Fix warnings about missing return value checks.

[tinc] / src / sptps_keypair.c

diff --git a/src/sptps_keypair.c b/src/sptps_keypair.c
index 399404e..fde8622 100644 (file)
--- a/src/sptps_keypair.c
+++ b/src/sptps_keypair.c
@@ -88,7 +88,10 @@ int main(int argc, char *argv[]) {
        
        FILE *fp = fopen(argv[1], "w");
        if(fp) {
-               ecdsa_write_pem_private_key(key, fp);
+               if(!ecdsa_write_pem_private_key(key, fp)) {
+                       fprintf(stderr, "Could not write ECDSA private key\n");
+                       return 1;
+               }
                fclose(fp);
        } else {
                fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[1], strerror(errno));
@@ -97,7 +100,8 @@ int main(int argc, char *argv[]) {
 
        fp = fopen(argv[2], "w");
        if(fp) {
-               ecdsa_write_pem_public_key(key, fp);
+               if(!ecdsa_write_pem_public_key(key, fp))
+                       fprintf(stderr, "Could not write ECDSA public key\n");
                fclose(fp);
        } else {
                fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[2], strerror(errno));