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Code Issues Releases Activity

* term.c (tty_write_glyphs): Use size_t; this avoids overflow warning.

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This commit is contained in:
Paul Eggert 2011-04-01 10:34:25 -07:00
parent 66ebf9838b
commit 5c5cdd398e
2 changed files with 6 additions and 5 deletions
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2
src/ChangeLog
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@ -1,5 +1,7 @@
2011-04-01 Paul Eggert <eggert@cs.ucla.edu>
* term.c (tty_write_glyphs): Use size_t; this avoids overflow warning.
* coding.c: Remove vars that are set but not used.
(DECODE_COMPOSITION_RULE): Remove 2nd arg, which is unused.
All callers changed.

9
src/term.c
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@ -707,6 +707,7 @@ tty_write_glyphs (struct frame *f, struct glyph *string, int len)
{
unsigned char *conversion_buffer;
struct coding_system *coding;
size_t n, stringlen;
struct tty_display_info *tty = FRAME_TTY (f);
@ -734,13 +735,12 @@ tty_write_glyphs (struct frame *f, struct glyph *string, int len)
the tail. */
coding->mode &= ~CODING_MODE_LAST_BLOCK;
while (len > 0)
for (stringlen = len; stringlen != 0; stringlen -= n)
{
/* Identify a run of glyphs with the same face. */
int face_id = string->face_id;
int n;
for (n = 1; n < len; ++n)
for (n = 1; n < stringlen; ++n)
if (string[n].face_id != face_id)
break;
@ -748,7 +748,7 @@ tty_write_glyphs (struct frame *f, struct glyph *string, int len)
tty_highlight_if_desired (tty);
turn_on_face (f, face_id);
if (n == len)
if (n == stringlen)
/* This is the last run. */
coding->mode |= CODING_MODE_LAST_BLOCK;
conversion_buffer = encode_terminal_code (string, n, coding);
@ -762,7 +762,6 @@ tty_write_glyphs (struct frame *f, struct glyph *string, int len)
fwrite (conversion_buffer, 1, coding->produced, tty->termscript);
UNBLOCK_INPUT;
}
len -= n;
string += n;
/* Turn appearance modes off. */