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DLSYM #6

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DLSYM #6

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97b1fb8
drivers/unix: improve the console output on dlsym() error
passgat Apr 4, 2022
8a58dd7
drivers/unix: call dlerror() before calling dlsym()
passgat Apr 4, 2022
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8 changes: 4 additions & 4 deletions drivers/unix/unix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,11 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define FCT_PTR_INIT =NULL

#define DLSYM(name)\
dlerror(); \
*(void **) (&name##_driver) = dlsym(handle, #name"_driver");\
if ((error = dlerror()) != NULL) {\
fprintf (stderr, "%s\n", error);\
if (dlerror()) {\
fprintf (stderr, "Failed to load `%s' symbol\n", \
#name"_driver"); \
UnLoadCanDriver(handle);\
return NULL;\
}
Expand Down Expand Up @@ -89,8 +91,6 @@ UNS8 UnLoadCanDriver(LIB_HANDLE handle)
LIB_HANDLE LoadCanDriver(const char* driver_name)
{
LIB_HANDLE handle = NULL;
char *error;


if(handle==NULL)
{
Expand Down