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OpenBSD: use ':' as LD_PRELOAD separator (#538)

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LD_PRELOAD documentation added in 1998 talks about colon as
separator, and apparently space no longer works.
This commit is contained in:
Guilherme Janczak 2023-12-09 12:59:53 +00:00 committed by GitHub
parent d5cc80ae16
commit 0279dda939
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1 changed files with 9 additions and 5 deletions
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src/main.c
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@ -135,16 +135,20 @@ int main(int argc, char *argv[]) {
if(!quiet) if(!quiet)
fprintf(stderr, LOG_PREFIX "preloading %s/%s\n", prefix, dll_name); fprintf(stderr, LOG_PREFIX "preloading %s/%s\n", prefix, dll_name);
#if defined(IS_MAC) || defined(IS_OPENBSD)
#define LD_PRELOAD_SEP ":"
#else
/* Dynlinkers for Linux and most BSDs seem to support space
as LD_PRELOAD separator, with colon added only recently.
We use the old syntax for maximum compat */
#define LD_PRELOAD_SEP " "
#endif
#ifdef IS_MAC #ifdef IS_MAC
putenv("DYLD_FORCE_FLAT_NAMESPACE=1"); putenv("DYLD_FORCE_FLAT_NAMESPACE=1");
#define LD_PRELOAD_ENV "DYLD_INSERT_LIBRARIES" #define LD_PRELOAD_ENV "DYLD_INSERT_LIBRARIES"
#define LD_PRELOAD_SEP ":"
#else #else
#define LD_PRELOAD_ENV "LD_PRELOAD" #define LD_PRELOAD_ENV "LD_PRELOAD"
/* all historic implementations of BSD and linux dynlinkers seem to support
space as LD_PRELOAD separator, with colon added only recently.
we use the old syntax for maximum compat */
#define LD_PRELOAD_SEP " "
#endif #endif
char *old_val = getenv(LD_PRELOAD_ENV); char *old_val = getenv(LD_PRELOAD_ENV);
snprintf(buf, sizeof(buf), LD_PRELOAD_ENV "=%s/%s%s%s", snprintf(buf, sizeof(buf), LD_PRELOAD_ENV "=%s/%s%s%s",