diff options
| -rw-r--r-- | simpletail.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/simpletail.c b/simpletail.c index 4016681..e8e8809 100644 --- a/simpletail.c +++ b/simpletail.c @@ -36,6 +36,7 @@ #include "inotail.h" #define BUFFER_SIZE 4096 +#define DEFAULT_N_LINES 10 void usage(void) { @@ -53,6 +54,8 @@ off_t lines(int fd, int file_size, unsigned int n_lines) if (offset < 0) offset = 0; + n_lines += 1; /* We also count the last \n */ + while (offset > 0 && n_lines > 0) { int rc; int block_size = BUFFER_SIZE; /* Size of the current block we're reading */ @@ -162,14 +165,14 @@ int watch_file(const char *filename, off_t offset) int main(int argc, char **argv) { int i, fd; - int n_lines = 0; + int n_lines = DEFAULT_N_LINES; int ret = 0; short forever = 0; char buf[BUFFER_SIZE], *filename; struct stat finfo; off_t offset = 0; - if (argc < 3) + if (argc < 2) usage(); for (i = 1; (i + 1 < argc) && (argv[i][0] == '-'); i++) { @@ -178,7 +181,7 @@ int main(int argc, char **argv) forever = 1; break; case 'n': - n_lines = strtol(argv[++i], NULL, 0) + 1; + n_lines = strtol(argv[++i], NULL, 0); break; default: usage(); |