APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
apr_dso_handle_t *handle,
const char *symname)
{
void *func_ptr;
void *var_ptr;
if ((var_ptr = dllqueryvar(handle->handle, symname)) != NULL) {
*ressym = var_ptr;
return APR_SUCCESS;
}
if ((func_ptr = (void *)dllqueryfn(handle->handle, symname)) != NULL) {
*ressym = func_ptr;
return APR_SUCCESS;
}
handle->failing_errno = errno;
return errno;
}
UBool uprv_mapFile(UDataMemory *pData, const char *path) {
const char *inBasename;
char *basename;
char pathBuffer[1024];
const DataHeader *pHeader;
dllhandle *handle;
void *val=0;
inBasename=uprv_strrchr(path, U_FILE_SEP_CHAR);
if(inBasename==NULL) {
inBasename = path;
} else {
inBasename++;
}
basename=uprv_computeDirPath(path, pathBuffer);
if(uprv_strcmp(inBasename, U_ICUDATA_NAME".dat") != 0) {
/* must mmap file... for build */
int fd;
int length;
struct stat mystat;
void *data;
UDataMemory_init(pData); /* Clear the output struct. */
/* determine the length of the file */
if(stat(path, &mystat)!=0 || mystat.st_size<=0) {
return FALSE;
}
length=mystat.st_size;
/* open the file */
fd=open(path, O_RDONLY);
if(fd==-1) {
return FALSE;
}
/* get a view of the mapping */
data=mmap(0, length, PROT_READ, MAP_PRIVATE, fd, 0);
close(fd); /* no longer needed */
if(data==MAP_FAILED) {
return FALSE;
}
pData->map = (char *)data + length;
pData->pHeader=(const DataHeader *)data;
pData->mapAddr = data;
return TRUE;
}
# ifdef OS390BATCH
/* ### hack: we still need to get u_getDataDirectory() fixed
for OS/390 (batch mode - always return "//"? )
and this here straightened out with LIB_PREFIX and LIB_SUFFIX (both empty?!)
This is probably due to the strange file system on OS/390. It's more like
a database with short contentEntry names than a typical file system. */
/* U_ICUDATA_NAME should always have the correct name */
/* BUT FOR BATCH MODE IT IS AN EXCEPTION BECAUSE */
/* THE FIRST THREE LETTERS ARE PREASSIGNED TO THE */
/* PROJECT!!!!! */
uprv_strcpy(pathBuffer, "IXMI" U_ICU_VERSION_SHORT "DA");
# else
/* set up the library name */
uprv_strcpy(basename, LIB_PREFIX U_LIBICUDATA_NAME U_ICU_VERSION_SHORT LIB_SUFFIX);
# endif
# ifdef UDATA_DEBUG
fprintf(stderr, "dllload: %s ", pathBuffer);
# endif
handle=dllload(pathBuffer);
# ifdef UDATA_DEBUG
fprintf(stderr, " -> %08X\n", handle );
# endif
if(handle != NULL) {
/* we have a data DLL - what kind of lookup do we need here? */
/* try to find the Table of Contents */
UDataMemory_init(pData); /* Clear the output struct. */
val=dllqueryvar((dllhandle*)handle, U_ICUDATA_ENTRY_NAME);
if(val == 0) {
/* failed... so keep looking */
return FALSE;
}
# ifdef UDATA_DEBUG
fprintf(stderr, "dllqueryvar(%08X, %s) -> %08X\n", handle, U_ICUDATA_ENTRY_NAME, val);
# endif
pData->pHeader=(const DataHeader *)val;
return TRUE;
} else {
return FALSE; /* no handle */
}
}
