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