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authorSamuel Mendoza-Jonas <sam.mj@au1.ibm.com>2014-10-09 14:40:38 +1100
committerSamuel Mendoza-Jonas <sam.mj@au1.ibm.com>2015-08-31 14:56:51 +1000
commit75c3e8689b1affde2dc8417ca96ca94bc132408f (patch)
tree42b52c2fc6b019b301cadd0e733a4836819ef1ee /lib
parent3ec4b6e0f2a1a91b7a651eff9762f247a724d3d2 (diff)
downloadtalos-petitboot-75c3e8689b1affde2dc8417ca96ca94bc132408f.tar.gz
talos-petitboot-75c3e8689b1affde2dc8417ca96ca94bc132408f.zip
lib/i18n: Move strncols to i18n.c
Make the strncols() helper available generally to i18n-concerned code. Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.am1
-rw-r--r--lib/i18n/i18n.c50
-rw-r--r--lib/i18n/i18n.h2
3 files changed, 53 insertions, 0 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am
index b39cc9b..a2421a5 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -26,6 +26,7 @@ lib_libpbcore_la_SOURCES = \
lib/fold/fold.h \
lib/fold/fold.c \
lib/i18n/i18n.h \
+ lib/i18n/i18n.c \
lib/log/log.h \
lib/log/log.c \
lib/list/list.c \
diff --git a/lib/i18n/i18n.c b/lib/i18n/i18n.c
new file mode 100644
index 0000000..dd8d79b
--- /dev/null
+++ b/lib/i18n/i18n.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2013 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#define _XOPEN_SOURCE
+
+#include <string.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+#include <i18n/i18n.h>
+
+/* Return the number of columns required to display a localised string */
+int strncols(const char *str)
+{
+ int wlen, ncols;
+ wchar_t *wstr;
+
+ wlen = mbstowcs(NULL, str, 0);
+ if (wlen <= 0)
+ return wlen;
+
+ wstr = malloc(sizeof(wchar_t) * wlen + 1);
+ if (!wstr)
+ return -1;
+
+ wlen = mbstowcs(wstr, str, wlen);
+ if (wlen <= 0) {
+ free(wstr);
+ return wlen;
+ }
+
+ ncols = wcswidth(wstr, wlen);
+
+ free(wstr);
+ return ncols;
+}
diff --git a/lib/i18n/i18n.h b/lib/i18n/i18n.h
index d7ff154..dde02f1 100644
--- a/lib/i18n/i18n.h
+++ b/lib/i18n/i18n.h
@@ -22,5 +22,7 @@
#define _(x) gettext(x)
+int strncols(const char *str);
+
#endif /* I18N_H */
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