return out;
}
+static const char *fallback_encoding(const char *name)
+{
+ /*
+ * Some platforms do not have the variously spelled variants of
+ * UTF-8, so let's fall back to trying the most official
+ * spelling. We do so only as a fallback in case the platform
+ * does understand the user's spelling, but not our official
+ * one.
+ */
+ if (is_encoding_utf8(name))
+ return "UTF-8";
+
+ /*
+ * Even though latin-1 is still seen in e-mail
+ * headers, some platforms only install ISO-8859-1.
+ */
+ if (!strcasecmp(name, "latin-1"))
+ return "ISO-8859-1";
+
+ return name;
+}
+
char *reencode_string_len(const char *in, int insz,
const char *out_encoding, const char *in_encoding,
int *outsz)
conv = iconv_open(out_encoding, in_encoding);
if (conv == (iconv_t) -1) {
- /*
- * Some platforms do not have the variously spelled variants of
- * UTF-8, so let's fall back to trying the most official
- * spelling. We do so only as a fallback in case the platform
- * does understand the user's spelling, but not our official
- * one.
- */
- if (is_encoding_utf8(in_encoding))
- in_encoding = "UTF-8";
- if (is_encoding_utf8(out_encoding))
- out_encoding = "UTF-8";
+ in_encoding = fallback_encoding(in_encoding);
+ out_encoding = fallback_encoding(out_encoding);
+
conv = iconv_open(out_encoding, in_encoding);
if (conv == (iconv_t) -1)
return NULL;