-O ro: readonly files, never write anything (except to standard streams)

[tfcrypt.git] / tfc_random.c

diff --git a/tfc_random.c b/tfc_random.c
index ccafe5c28dc6e56da5209f7e6790c0f154af56bd..0a529d401b53410f08ef97d436a6fc4b578ab1f6 100644 (file)
--- a/tfc_random.c
+++ b/tfc_random.c
@@ -28,6 +28,20 @@
 
 #include "tfcrypt.h"
 
+static void print_crypt_status_genrnd(int signal)
+{
+       if (signal == SIGTERM || signal == SIGINT) {
+               if (xexit_no_nl == YES) xexit_no_nl = NO;
+       }
+       print_crypt_status(signal);
+}
+
+static void exit_sigterm_genrnd(int signal)
+{
+       if (xexit_no_nl == YES) xexit_no_nl = NO;
+       exit_sigterm(signal);
+}
+
 static void get_urandom(const char *src, void *buf, size_t size)
 {
        tfc_byte *ubuf = buf;
@@ -102,13 +116,13 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
        sigact.sa_handler = change_status_timer;
        sigaction(SIGUSR2, &sigact, NULL);
        if (quiet == NO) {
-               sigact.sa_handler = print_crypt_status;
+               sigact.sa_handler = print_crypt_status_genrnd;
                sigaction(SIGINT, &sigact, NULL);
                sigaction(SIGTERM, &sigact, NULL);
                sigaction(SIGTSTP, &sigact, NULL);
        }
        else {
-               sigact.sa_handler = exit_sigterm;
+               sigact.sa_handler = exit_sigterm_genrnd;
                sigaction(SIGINT, &sigact, NULL);
                sigaction(SIGTERM, &sigact, NULL);
                sigact.sa_handler = handle_sigtstp;
@@ -129,8 +143,7 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
                fd = 1;
                foutname = TFC_STDOUT_NAME;
        }
-       else fd = open(foutname, O_WRONLY | O_CREAT | O_LARGEFILE | write_flags, 0666);
-       if (fd == -1) xerror(NO, NO, YES, "%s", foutname);
+       else fd = xopen(foutname, O_WRONLY | O_CREAT | O_LARGEFILE | write_flags);
 
        if (offset) {
                if (lseek(fd, offset, SEEK_SET) == -1)