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Add the possibility to have symbols loaded globally with DSO.

This commit is contained in:
Richard Levitte 2003-06-11 22:42:28 +00:00
parent 98cec7fc7b
commit e666c4599f
3 changed files with 17 additions and 1 deletions
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3
CHANGES
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@ -4,6 +4,9 @@
Changes between 0.9.7c and 0.9.8 [xx XXX xxxx]
*) Add the possibility to load symbols globally with DSO.
[Götz Babin-Ebell <babin-ebell@trustcenter.de> via Richard Levitte]
*) Add the functions ERR_set_mark() and ERR_pop_to_mark() for better
control of the error stack.
[Richard Levitte]

7
crypto/dso/dso.h
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@ -95,6 +95,13 @@ extern "C" {
*/
#define DSO_FLAG_UPCASE_SYMBOL 0x10
/* This flag loads the library with public symbols.
* Meaning: The exported symbols of this library are public
* to all libraries loaded after this library.
* At the moment only implemented in unix.
*/
#define DSO_FLAG_GLOBAL_SYMBOLS 0x20
typedef void (*DSO_FUNC_TYPE)(void);

8
crypto/dso/dso_dlfcn.c
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@ -140,13 +140,19 @@ static int dlfcn_load(DSO *dso)
void *ptr = NULL;
/* See applicable comments in dso_dl.c */
char *filename = DSO_convert_filename(dso, NULL);
int flags = DLOPEN_FLAG;
if(filename == NULL)
{
DSOerr(DSO_F_DLFCN_LOAD,DSO_R_NO_FILENAME);
goto err;
}
ptr = dlopen(filename, DLOPEN_FLAG);
#ifdef RTLD_GLOBAL
if (dso->flags & DSO_FLAG_GLOBAL_SYMBOLS)
flags |= RTLD_GLOBAL;
#endif
ptr = dlopen(filename, flags);
if(ptr == NULL)
{
DSOerr(DSO_F_DLFCN_LOAD,DSO_R_LOAD_FAILED);