diff options
-rw-r--r-- | inotail.c | 22 | ||||
-rw-r--r-- | inotail.h | 3 |
2 files changed, 11 insertions, 14 deletions
@@ -94,7 +94,7 @@ static inline void setup_file(struct file_struct *f) { f->fd = f->i_watch = -1; f->size = 0; - f->blksize = BUFFER_SIZE; + f->blksize = BUFSIZ; f->ignore = 0; } @@ -256,7 +256,7 @@ static ssize_t tail_pipe_lines(struct file_struct *f, unsigned long n_lines) tmp = emalloc(sizeof(struct line_buf)); while (1) { - if ((rc = read(f->fd, tmp->buf, BUFFER_SIZE)) <= 0) { + if ((rc = read(f->fd, tmp->buf, BUFSIZ)) <= 0) { if (rc < 0 && (errno == EINTR || errno == EAGAIN)) continue; else @@ -269,15 +269,15 @@ static ssize_t tail_pipe_lines(struct file_struct *f, unsigned long n_lines) /* Count the lines in the current buffer */ while ((p = memchr(p, '\n', tmp->buf + rc - p))) { - ++p; - ++tmp->n_lines; + p++; + tmp->n_lines++; } total_lines += tmp->n_lines; /* Try to append to the previous buffer if there's enough free * space */ - if (tmp->n_bytes + last->n_bytes < BUFFER_SIZE) { + if (tmp->n_bytes + last->n_bytes < BUFSIZ) { memcpy(&last->buf[last->n_bytes], tmp->buf, tmp->n_bytes); last->n_bytes += tmp->n_bytes; last->n_lines += tmp->n_lines; @@ -304,8 +304,8 @@ static ssize_t tail_pipe_lines(struct file_struct *f, unsigned long n_lines) /* Count incomplete lines */ if (last->buf[last->n_bytes - 1] != '\n') { - ++last->n_lines; - ++total_lines; + last->n_lines++; + total_lines++; } /* Skip unneeded buffers */ @@ -315,10 +315,10 @@ static ssize_t tail_pipe_lines(struct file_struct *f, unsigned long n_lines) p = tmp->buf; if (total_lines > n_lines) { - size_t j; + unsigned long j; for (j = total_lines - n_lines; j; --j) { p = memchr(p, '\n', tmp->buf + tmp->n_bytes - p); - ++p; + p++; } } @@ -330,13 +330,11 @@ static ssize_t tail_pipe_lines(struct file_struct *f, unsigned long n_lines) for (tmp = tmp->next; tmp; tmp = tmp->next) if ((rc = write(STDOUT_FILENO, tmp->buf, tmp->n_bytes)) <= 0) { - /* e.g. when writing to a pipe which gets closed */ fprintf(stderr, "Error: Could not write to stdout (%s)\n", strerror(errno)); goto out; } rc = 0; - out: while (first) { tmp = first->next; @@ -351,7 +349,7 @@ out: static ssize_t tail_pipe_bytes(struct file_struct *f, unsigned long n_bytes) { ssize_t rc; - char buf[BUFFER_SIZE]; + char buf[BUFSIZ]; /* We will just tail everything here */ while ((rc = read(f->fd, buf, f->blksize)) > 0) { @@ -9,7 +9,6 @@ #include <sys/types.h> -#define BUFFER_SIZE 4096 #define DEFAULT_N_LINES 10 /* Number of items to tail. */ /* tail modes */ @@ -27,7 +26,7 @@ struct file_struct { /* struct for linked list of buffers/lines in tail_pipe_lines */ struct line_buf { - char buf[BUFFER_SIZE]; + char buf[BUFSIZ]; size_t n_lines; size_t n_bytes; struct line_buf *next; |