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authorDarren Tucker <dtucker@zip.com.au>2016-07-14 10:59:09 +1000
committerDarren Tucker <dtucker@zip.com.au>2016-07-14 10:59:09 +1000
commita2333584170a565adf4f209586772ef8053b10b8 (patch)
tree37e1f144bdabc09b1ce89c2e6fe603bc8845e7c2 /openbsd-compat/bsd-misc.c
parent8aaec7050614494014c47510b7e94daf6e644c62 (diff)
Add compat code for missing wcwidth.
If we don't have wcwidth force fallback implementations of nl_langinfo and mbtowc. Based on advice from Ingo Schwarze.
Diffstat (limited to 'openbsd-compat/bsd-misc.c')
-rw-r--r--openbsd-compat/bsd-misc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c
index 2a788e47..18bf62dd 100644
--- a/openbsd-compat/bsd-misc.c
+++ b/openbsd-compat/bsd-misc.c
@@ -284,3 +284,20 @@ pledge(const char *promises, const char *paths[])
return 0;
}
#endif
+
+#ifndef HAVE_MBTOWC
+/* a mbtowc that only supports ASCII */
+int
+mbtowc(wchar_t *pwc, const char *s, size_t n)
+{
+ if (s == NULL || *s == '\0')
+ return 0; /* ASCII is not state-dependent */
+ if (*s < 0 || *s > 0x7f || n < 1) {
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ if (pwc != NULL)
+ *pwc = *s;
+ return 1;
+}
+#endif