diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | stdio/linewrap.c | 2 | ||||
| -rw-r--r-- | stdio/linewrap.h | 10 |
3 files changed, 26 insertions, 6 deletions
@@ -1,3 +1,23 @@ +Wed Jul 17 11:29:26 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * stdio/linewrap.c (lwupdate): Fix boundary condition where a + word extends right up to rmargin. + + * stdio/linewrap.c (lwupdate): When we've done a word wrap and + output the wrap margin, set point_col to wmargin. + Use negative point_col to deal with a wmargin of 0. + (line_wrap_point): Return 0 for a negative point_col. + (line_wrap_stream): Make wmargin ssize_t. + * stdio/linewrap.h (struct line_wrap_data): Make wmargin & + point_col ssize_t. + (line_wrap_stream): Make wmargin ssize_t. + (line_wrap_point): Return 0 for a negative point_col. + +Tue Jul 16 00:18:19 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * stdio/linewrap.c (__line_wrap_update): Add hackery from flshfp + to fiddle __put_limit in conjunction with __linebuf_active. + Tue Jul 16 16:43:58 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * elf/dl-lookup.c (_dl_lookup_symbol): Avoid sizeof dynamic auto array diff --git a/stdio/linewrap.c b/stdio/linewrap.c index 82b6a326a5..37780d21a3 100644 --- a/stdio/linewrap.c +++ b/stdio/linewrap.c @@ -327,7 +327,7 @@ __line_wrap_output (FILE *stream, int c) simply dropped until a newline. Returns STREAM after modifying it, or NULL if there was an error. */ FILE * -line_wrap_stream (FILE *stream, size_t lmargin, size_t rmargin, size_t wmargin) +line_wrap_stream (FILE *stream, size_t lmargin, size_t rmargin, ssize_t wmargin) { struct line_wrap_data *d = malloc (sizeof *d); diff --git a/stdio/linewrap.h b/stdio/linewrap.h index c569238803..aba9398995 100644 --- a/stdio/linewrap.h +++ b/stdio/linewrap.h @@ -34,13 +34,13 @@ __BEGIN_DECLS struct line_wrap_data { size_t lmargin, rmargin; /* Left and right margins. */ - size_t wmargin; /* Margin to wrap to, or -1 to truncate. */ + ssize_t wmargin; /* Margin to wrap to, or -1 to truncate. */ /* Point in stdio buffer to which we've processed for wrapping, but not output. */ size_t point_offs; - /* Output column at POINT_OFFS. */ - size_t point_col; + /* Output column at POINT_OFFS, or -1 meaning 0 but don't add lmargin. */ + ssize_t point_col; /* Original cookie and hooks from the stream. */ void *cookie; @@ -57,7 +57,7 @@ struct line_wrap_data simply dropped until a newline. Returns STREAM after modifying it, or NULL if there was an error. */ FILE *line_wrap_stream (FILE *stream, - size_t lmargin, size_t rmargin, size_t wmargin); + size_t lmargin, size_t rmargin, ssize_t wmargin); /* Remove the hooks placed in STREAM by `line_wrap_stream'. */ void line_unwrap_stream (FILE *stream); @@ -190,7 +190,7 @@ extern inline size_t line_wrap_point (FILE *stream) { struct line_wrap_data *d = __line_wrap_update (stream); - return d ? d->point_col : -1; + return d ? (d->point_col >= 0 ? d->point_col : 0) : -1; } #endif /* Optimizing. */ |