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Fixed bug #455

Browse source 
If passed "" for the character set, let iconv_open() interpret it as
locale.

This was merged from revision 3234,3235 from SDL 1.2

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402503
This commit is contained in:
Sam Lantinga 2007-07-12 07:52:50 +00:00
parent 4a00054e18
commit fc4cf4c9fc
1 changed files with 37 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/stdlib/SDL_iconv.c
View file

@ -111,10 +111,8 @@ static struct
int format;
} encodings[] = {
/* *INDENT-OFF* */
{ "646", ENCODING_ASCII },
{ "ASCII", ENCODING_ASCII },
{ "US-ASCII", ENCODING_ASCII },
{ "LATIN1", ENCODING_LATIN1 },
{ "8859-1", ENCODING_LATIN1 },
{ "ISO-8859-1", ENCODING_LATIN1 },
{ "UTF8", ENCODING_UTF8 },
@ -138,6 +136,27 @@ static struct
/* *INDENT-ON* */
};
static const char *
getlocale()
{
const char *lang;
lang = SDL_getenv("LC_ALL");
if (!lang) {
lang = SDL_getenv("LC_CTYPE");
}
if (!lang) {
lang = SDL_getenv("LC_MESSAGES");
}
if (!lang) {
lang = SDL_getenv("LANG");
}
if (!lang || !*lang || SDL_strcmp(lang, "C") == 0) {
lang = "ASCII";
}
return lang;
}
SDL_iconv_t
SDL_iconv_open(const char *tocode, const char *fromcode)
{
@ -145,6 +164,12 @@ SDL_iconv_open(const char *tocode, const char *fromcode)
int dst_fmt = ENCODING_UNKNOWN;
int i;
if (!fromcode || !*fromcode) {
fromcode = getlocale();
}
if (!tocode || !*tocode) {
fromcode = getlocale();
}
for (i = 0; i < SDL_arraysize(encodings); ++i) {
if (SDL_strcasecmp(fromcode, encodings[i].name) == 0) {
src_fmt = encodings[i].format;
@ -805,13 +830,17 @@ SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf,
size_t outbytesleft;
size_t retCode = 0;
if (!fromcode || !*fromcode) {
fromcode = getlocale();
}
if (!tocode || !*tocode) {
tocode = getlocale();
}
cd = SDL_iconv_open(tocode, fromcode);
if (cd == (SDL_iconv_t) - 1) {
/* See if we can recover here (fixes iconv on Solaris 11) */
if (!tocode || !*tocode) {
tocode = "UTF-8";
}
if (!fromcode || !*fromcode) {
tocode = "UTF-8";
}
cd = SDL_iconv_open(tocode, fromcode);
}
if (cd == (SDL_iconv_t) - 1) {
return NULL;
}