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Diffstat (limited to 'usr.bin/tmux/grid-utf8.c')
-rw-r--r-- | usr.bin/tmux/grid-utf8.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/usr.bin/tmux/grid-utf8.c b/usr.bin/tmux/grid-utf8.c deleted file mode 100644 index a71872ff5f3..00000000000 --- a/usr.bin/tmux/grid-utf8.c +++ /dev/null @@ -1,96 +0,0 @@ -/* $OpenBSD: grid-utf8.c,v 1.2 2009/12/03 22:50:10 nicm Exp $ */ - -/* - * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER - * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <sys/types.h> - -#include <string.h> - -#include "tmux.h" - -/* - * Grid UTF-8 utility functions. - */ - -/* Calculate UTF-8 grid cell size. Data is terminated by 0xff. */ -size_t -grid_utf8_size(const struct grid_utf8 *gu) -{ - size_t size; - - for (size = 0; size < sizeof gu->data; size++) { - if (gu->data[size] == 0xff) - break; - } - return (size); -} - -/* Copy UTF-8 out into a buffer. */ -size_t -grid_utf8_copy(const struct grid_utf8 *gu, char *buf, size_t len) -{ - size_t size; - - size = grid_utf8_size(gu); - if (size > len) - fatalx("UTF-8 copy overflow"); - memcpy(buf, gu->data, size); - return (size); -} - -/* Set UTF-8 grid data from input UTF-8. */ -void -grid_utf8_set(struct grid_utf8 *gu, const struct utf8_data *utf8data) -{ - if (utf8data->size == 0) - fatalx("UTF-8 data empty"); - if (utf8data->size > sizeof gu->data) - fatalx("UTF-8 data too long"); - memcpy(gu->data, utf8data->data, utf8data->size); - if (utf8data->size != sizeof gu->data) - gu->data[utf8data->size] = 0xff; - gu->width = utf8data->width; -} - -/* Append UTF-8 character onto the cell data (for combined characters). */ -int -grid_utf8_append(struct grid_utf8 *gu, const struct utf8_data *utf8data) -{ - size_t old_size; - - old_size = grid_utf8_size(gu); - if (old_size + utf8data->size > sizeof gu->data) - return (-1); - memcpy(gu->data + old_size, utf8data->data, utf8data->size); - if (old_size + utf8data->size != sizeof gu->data) - gu->data[old_size + utf8data->size] = 0xff; - return (0); -} - -/* Compare two UTF-8 cells. */ -int -grid_utf8_compare(const struct grid_utf8 *gu1, const struct grid_utf8 *gu2) -{ - size_t size; - - size = grid_utf8_size(gu1); - if (size != grid_utf8_size(gu2)) - return (0); - if (memcmp(gu1->data, gu2->data, size) != 0) - return (0); - return (1); -} |