diff options
| -rw-r--r-- | src/ldso/dynlink.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index 1517281a..1cb3fb4c 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -1055,12 +1055,31 @@ void *__dynlink(int argc, char **argv) size_t l = strlen(ldname); if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1; *argv++ = (void *)-1; - if (argv[0] && !strcmp(argv[0], "--")) *argv++ = (void *)-1; + while (argv[0] && argv[0][0]=='-' && argv[0][1]=='-') { + char *opt = argv[0]+2; + *argv++ = (void *)-1; + if (!*opt) { + break; + } else if (!memcmp(opt, "list", 5)) { + ldd_mode = 1; + } else if (!memcmp(opt, "library-path", 12)) { + if (opt[12]=='=') env_path = opt+13; + else if (opt[12]) *argv = 0; + else if (*argv) env_path = *argv++; + } else if (!memcmp(opt, "preload", 7)) { + if (opt[7]=='=') env_preload = opt+8; + else if (opt[7]) *argv = 0; + else if (*argv) env_preload = *argv++; + } else { + argv[0] = 0; + } + argv[-1] = (void *)-1; + } if (!argv[0]) { dprintf(2, "musl libc\n" "Version %s\n" "Dynamic Program Loader\n" - "Usage: %s [--] pathname%s\n", + "Usage: %s [options] [--] pathname%s\n", __libc_get_version(), ldname, ldd_mode ? "" : " [args]"); _exit(1); |