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-rw-r--r--stdio/linewrap.c2
-rw-r--r--stdio/linewrap.h10
2 files changed, 6 insertions, 6 deletions
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. */