organicmaps/icu
13
Fork 0
mirror of https://github.com/unicode-org/icu.git synced 2025-04-13 17:01:16 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 3

ICU-2628 z/OS needs to resolve the default converter with options.

Browse source 
X-SVN-Rev: 11429
This commit is contained in:
George Rhoten 2003-04-01 19:53:16 +00:00
parent c4392b5dab
commit 3e913a31b2
1 changed files with 35 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
icu4c/source/common/ucnv_io.c
View file

@ -956,39 +956,50 @@ ucnv_io_getDefaultConverterName() {
/* local variable to be thread-safe */
const char *name=gDefaultConverterName;
if(name==NULL) {
const char *codepage = uprv_getDefaultCodepage();
if(codepage!=NULL) {
UErrorCode errorCode=U_ZERO_ERROR;
name=ucnv_io_getConverterName(codepage, &errorCode);
if(U_FAILURE(errorCode) || name==NULL) {
name=codepage;
UErrorCode errorCode = U_ZERO_ERROR;
UConverter *cnv = NULL;
int32_t length = 0;
name = uprv_getDefaultCodepage();
/* if the name is there, test it out and get the canonical name with options */
if(name != NULL) {
cnv = ucnv_open(name, &errorCode);
if(U_SUCCESS(errorCode) && cnv != NULL) {
name = ucnv_getName(cnv, &errorCode);
}
}
/* if the name is there, test it out */
if(name != NULL) {
UErrorCode errorCode = U_ZERO_ERROR;
UConverter *cnv = ucnv_open(name, &errorCode);
if(U_FAILURE(errorCode) || (cnv == NULL)) {
/* Panic time, let's use a fallback. */
if (name != NULL) {
length=(int32_t)(uprv_strlen(name));
}
if(name == NULL || name[0] == 0
|| U_FAILURE(errorCode) || cnv == NULL
|| length>=sizeof(gDefaultConverterNameBuffer))
{
/* Panic time, let's use a fallback. */
#if (U_CHARSET_FAMILY == U_ASCII_FAMILY)
name = "US-ASCII";
/* there is no 'algorithmic' converter for EBCDIC */
name = "US-ASCII";
/* there is no 'algorithmic' converter for EBCDIC */
#elif defined(OS390)
name = "ibm-1047" UCNV_SWAP_LFNL_OPTION_STRING;
name = "ibm-1047_P100-1995" UCNV_SWAP_LFNL_OPTION_STRING;
#else
name = "ibm-37";
name = "ibm-37_P100-1995";
#endif
}
ucnv_close(cnv);
length=(int32_t)(uprv_strlen(name));
}
if(name != NULL) {
umtx_lock(NULL);
/* Did find a name. And it works.*/
gDefaultConverterName=name;
umtx_unlock(NULL);
}
/* Copy the name before we close the converter. */
umtx_lock(NULL);
uprv_memcpy(gDefaultConverterNameBuffer, name, length);
gDefaultConverterNameBuffer[length]=0;
gDefaultConverterName = gDefaultConverterNameBuffer;
umtx_unlock(NULL);
/* The close may make the current name go away. */
ucnv_close(cnv);
name = gDefaultConverterName;
}
return name;