+ char *prefix = 0;
+ size_t prefix_len;
+ if (ldso->name[0]=='/') {
+ char *s, *t, *z;
+ for (s=t=z=ldso->name; *s; s++)
+ if (*s=='/') z=t, t=s;
+ prefix_len = z-ldso->name;
+ if (prefix_len < PATH_MAX)
+ prefix = ldso->name;
+ }
+ if (!prefix) {
+ prefix = "";
+ prefix_len = 0;
+ }
+ char etc_ldso_path[prefix_len + 1
+ + sizeof "/etc/ld-musl-" LDSO_ARCH ".path"];
+ snprintf(etc_ldso_path, sizeof etc_ldso_path,
+ "%.*s/etc/ld-musl-" LDSO_ARCH ".path",
+ (int)prefix_len, prefix);
+ FILE *f = fopen(etc_ldso_path, "rbe");