+#ifdef OPENSSL_SYS_MACOSX
+#define DSO_ext ".dylib"
+#define DSO_extlen 6
+#else
+#define DSO_ext ".so"
+#define DSO_extlen 3
+#endif
+
+
+static char *dlfcn_name_converter(DSO *dso, const char *filename)
+ {
+ char *translated;
+ int len, rsize, transform;
+
+ len = strlen(filename);
+ rsize = len + 1;
+ transform = (strstr(filename, "/") == NULL);
+ if(transform)
+ {
+ /* We will convert this to "%s.so" or "lib%s.so" etc */
+ rsize += DSO_extlen; /* The length of ".so" */
+ if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
+ rsize += 3; /* The length of "lib" */
+ }
+ translated = OPENSSL_malloc(rsize);
+ if(translated == NULL)
+ {
+ DSOerr(DSO_F_DLFCN_NAME_CONVERTER,
+ DSO_R_NAME_TRANSLATION_FAILED);
+ return(NULL);
+ }
+ if(transform)
+ {
+ if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
+ sprintf(translated, "lib%s" DSO_ext, filename);
+ else
+ sprintf(translated, "%s" DSO_ext, filename);
+ }
+ else
+ sprintf(translated, "%s", filename);
+ return(translated);
+ }
+
+#ifdef __sgi
+/*
+This is a quote from IRIX manual for dladdr(3c):
+
+ <dlfcn.h> does not contain a prototype for dladdr or definition of
+ Dl_info. The #include <dlfcn.h> in the SYNOPSIS line is traditional,
+ but contains no dladdr prototype and no IRIX library contains an
+ implementation. Write your own declaration based on the code below.
+
+ The following code is dependent on internal interfaces that are not
+ part of the IRIX compatibility guarantee; however, there is no future
+ intention to change this interface, so on a practical level, the code
+ below is safe to use on IRIX.
+*/
+#include <rld_interface.h>
+#ifndef _RLD_INTERFACE_DLFCN_H_DLADDR
+#define _RLD_INTERFACE_DLFCN_H_DLADDR
+typedef struct Dl_info {
+ const char * dli_fname;
+ void * dli_fbase;
+ const char * dli_sname;
+ void * dli_saddr;
+ int dli_version;
+ int dli_reserved1;
+ long dli_reserved[4];
+} Dl_info;
+#else
+typedef struct Dl_info Dl_info;
+#endif
+#define _RLD_DLADDR 14
+
+static int dladdr(void *address, Dl_info *dl)
+{
+ void *v;
+ v = _rld_new_interface(_RLD_DLADDR,address,dl);
+ return (int)v;
+}
+#endif /* __sgi */
+
+static int dlfcn_pathbyaddr(void *addr,char *path,int sz)
+ {
+#ifdef HAVE_DLINFO
+ Dl_info dli;
+ int len;
+
+ if (addr == NULL)
+ {
+ union { int(*f)(void*,char*,int); void *p; } t =
+ { dlfcn_pathbyaddr };
+ addr = t.p;
+ }
+
+ if (dladdr(addr,&dli))
+ {
+ len = (int)strlen(dli.dli_fname);
+ if (sz <= 0) return len+1;
+ if (len >= sz) len=sz-1;
+ memcpy(path,dli.dli_fname,len);
+ path[len++]=0;
+ return len;
+ }
+
+ ERR_add_error_data(4, "dlfcn_pathbyaddr(): ", dlerror());
+#endif
+ return -1;
+ }
+
+static void *dlfcn_globallookup(const char *name)
+ {
+ void *ret = NULL,*handle = dlopen(NULL,RTLD_LAZY);
+
+ if (handle)
+ {
+ ret = dlsym(handle,name);
+ dlclose(handle);
+ }
+
+ return ret;
+ }