X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournalctl.c;h=0afeef932e54b89f615cf91570b0d0c239240894;hb=641906e9366891e0ad3e6e38b7396a427678c4cf;hp=0ec2f331db271b85e92079e9d0629456f666c23b;hpb=67e04a486b92fcb656049cb4d6b66148c7d2e61b;p=elogind.git

diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 0ec2f331d..0afeef932 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -244,8 +244,25 @@ static int parse_argv(int argc, char *argv[]) {
                                         log_error("Failed to parse lines '%s'", optarg);
                                         return -EINVAL;
                                 }
-                        } else
-                                arg_lines = 10;
+                        } else {
+                                int n;
+
+                                /* Hmm, no argument? Maybe the next
+                                 * word on the command line is
+                                 * supposed to be the argument? Let's
+                                 * see if there is one, and is
+                                 * parsable as a positive
+                                 * integer... */
+
+                                if (optind < argc &&
+                                    safe_atoi(argv[optind], &n) >= 0 &&
+                                    n >= 0) {
+
+                                        arg_lines = n;
+                                        optind++;
+                                } else
+                                        arg_lines = 10;
+                        }
 
                         break;