/* $NetBSD: dldb.c,v 1.1.1.2 2008/05/18 14:29:41 aymeric Exp $ */ #include "config.h" #include #include "common.h" #include "pathnames.h" static void relocate __P(()); #define RELOC(func,returntype,args,proto,types) \ static returntype reloc_##func __P(proto); \ returntype (*nvi_##func) __P(proto) = reloc_##func; \ static returntype reloc_##func args \ types \ { \ relocate(); \ return nvi_##func args; \ } RELOC(db_create,int,(a,b,c),(DB **, DB_ENV *, u_int32_t), DB**a;DB_ENV*b;u_int32_t c;) RELOC(db_env_create,int,(a,b),(DB_ENV **, u_int32_t),DB_ENV ** a;u_int32_t b;); RELOC(db_strerror,char *,(a),(int),int a;) #define LOADSYM(func) \ if ((nvi_##func = dlsym(handle, #func)) == NULL) \ goto error; static void relocate() { void *handle = dlopen(_PATH_DB3, RTLD_LAZY); if (!handle) goto error; LOADSYM(db_create) LOADSYM(db_env_create) LOADSYM(db_strerror) return; error: fprintf(stderr, "Relocation error: %s\n", dlerror()); abort(); }