diff options
Diffstat (limited to 'src/tail.c')
| -rw-r--r-- | src/tail.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/tail.c b/src/tail.c index 857f7cc98..d0576e031 100644 --- a/src/tail.c +++ b/src/tail.c @@ -49,7 +49,7 @@ #if HAVE_INOTIFY # include "hash.h" # include <sys/inotify.h> -/* `select' is used by tail_forever_inotify. */ +/* 'select' is used by tail_forever_inotify. */ # include <sys/select.h> /* inotify needs to know if a file is local. */ @@ -62,7 +62,7 @@ # endif #endif -/* The official name of this program (e.g., no `g' prefix). */ +/* The official name of this program (e.g., no 'g' prefix). */ #define PROGRAM_NAME "tail" #define AUTHORS \ @@ -466,7 +466,7 @@ xlseek (int fd, off_t offset, int whence, char const *filename) } /* Print the last N_LINES lines from the end of file FD. - Go backward through the file, reading `BUFSIZ' bytes at a time (except + Go backward through the file, reading 'BUFSIZ' bytes at a time (except probably the first), until we hit the start of the file or have read NUMBER newlines. START_POS is the starting position of the read pointer for the file @@ -485,12 +485,12 @@ file_lines (const char *pretty_filename, int fd, uintmax_t n_lines, if (n_lines == 0) return true; - /* Set `bytes_read' to the size of the last, probably partial, buffer; - 0 < `bytes_read' <= `BUFSIZ'. */ + /* Set 'bytes_read' to the size of the last, probably partial, buffer; + 0 < 'bytes_read' <= 'BUFSIZ'. */ bytes_read = (pos - start_pos) % BUFSIZ; if (bytes_read == 0) bytes_read = BUFSIZ; - /* Make `pos' a multiple of `BUFSIZ' (0 if the file is short), so that all + /* Make 'pos' a multiple of 'BUFSIZ' (0 if the file is short), so that all reads will be on block boundaries, which might increase efficiency. */ pos -= bytes_read; xlseek (fd, pos, SEEK_SET, pretty_filename); @@ -608,7 +608,7 @@ pipe_lines (const char *pretty_filename, int fd, uintmax_t n_lines, total_lines += tmp->nlines; /* If there is enough room in the last buffer read, just append the new - one to it. This is because when reading from a pipe, `n_read' can + one to it. This is because when reading from a pipe, 'n_read' can often be very small. */ if (tmp->nbytes + last->nbytes < BUFSIZ) { @@ -670,8 +670,8 @@ pipe_lines (const char *pretty_filename, int fd, uintmax_t n_lines, char const *buffer_end = tmp->buffer + tmp->nbytes; if (total_lines > n_lines) { - /* Skip `total_lines' - `n_lines' newlines. We made sure that - `total_lines' - `n_lines' <= `tmp->nlines'. */ + /* Skip 'total_lines' - 'n_lines' newlines. We made sure that + 'total_lines' - 'n_lines' <= 'tmp->nlines'. */ size_t j; for (j = total_lines - n_lines; j; --j) { @@ -735,7 +735,7 @@ pipe_bytes (const char *pretty_filename, int fd, uintmax_t n_bytes, total_bytes += tmp->nbytes; /* If there is enough room in the last buffer read, just append the new - one to it. This is because when reading from a pipe, `nbytes' can + one to it. This is because when reading from a pipe, 'nbytes' can often be very small. */ if (tmp->nbytes + last->nbytes < BUFSIZ) { @@ -778,7 +778,7 @@ pipe_bytes (const char *pretty_filename, int fd, uintmax_t n_bytes, total_bytes -= tmp->nbytes; /* Find the correct beginning, then print the rest of the file. - We made sure that `total_bytes' - `n_bytes' <= `tmp->nbytes'. */ + We made sure that 'total_bytes' - 'n_bytes' <= 'tmp->nbytes'. */ if (total_bytes > n_bytes) i = total_bytes - n_bytes; else @@ -1267,7 +1267,7 @@ wd_comparator (const void *e1, const void *e2) return spec1->wd == spec2->wd; } -/* Helper function used by `tail_forever_inotify'. */ +/* Helper function used by 'tail_forever_inotify'. */ static void check_fspec (struct File_spec *fspec, int wd, int *prev_wd) { @@ -1426,7 +1426,7 @@ tail_forever_inotify (int wd, struct File_spec *f, size_t n_files, /* Wait for inotify events and handle them. Events on directories ensure that watched files can be re-added when following by name. - This loop blocks on the `safe_read' call until a new event is notified. + This loop blocks on the 'safe_read' call until a new event is notified. But when --pid=P is specified, tail usually waits via the select. */ while (1) { @@ -1522,7 +1522,7 @@ tail_forever_inotify (int wd, struct File_spec *f, size_t n_files, fspec = &(f[j]); - /* Remove `fspec' and re-add it using `new_fd' as its key. */ + /* Remove 'fspec' and re-add it using 'new_fd' as its key. */ hash_delete (wd_to_name, fspec); fspec->wd = new_wd; @@ -1769,7 +1769,7 @@ tail_file (struct File_spec *f, uintmax_t n_units) struct stat stats; #if TEST_RACE_BETWEEN_FINAL_READ_AND_INITIAL_FSTAT - /* Before the tail function provided `read_pos', there was + /* Before the tail function provided 'read_pos', there was a race condition described in the URL below. This sleep call made the window big enough to exercise the problem. */ xnanosleep (1); @@ -2141,7 +2141,7 @@ main (int argc, char **argv) if (found_hyphen && follow_mode == Follow_name) error (EXIT_FAILURE, 0, _("cannot follow %s by name"), quote ("-")); - /* When following forever, warn if any file is `-'. + /* When following forever, warn if any file is '-'. This is only a warning, since tail's output (before a failing seek, and that from any non-stdin files) might still be useful. */ if (forever && found_hyphen && isatty (STDIN_FILENO)) |