double VRND_RandomTestableDouble(void) { return ( ldexp((double)VRND_RandomTestable(), -31) + ldexp((double)VRND_RandomTestable(), -62) ); }
vfp_esi_pull(struct vfp_ctx *vc, struct vfp_entry *vfe, void *p, ssize_t *lp) { enum vfp_status vp; ssize_t d; struct vef_priv *vef; CHECK_OBJ_NOTNULL(vc, VFP_CTX_MAGIC); CHECK_OBJ_NOTNULL(vfe, VFP_ENTRY_MAGIC); CAST_OBJ_NOTNULL(vef, vfe->priv1, VEF_MAGIC); AN(p); AN(lp); if (DO_DEBUG(DBG_ESI_CHOP)) { d = (VRND_RandomTestable() & 3) + 1; if (d < *lp) *lp = d; } vp = VFP_Suck(vc, p, lp); if (vp != VFP_ERROR && *lp > 0) VEP_Parse(vef->vep, p, *lp); if (vp == VFP_END) { vp = vfp_esi_end(vc, vef, vp); vfe->priv1 = NULL; } return (vp); }
void VRND_SeedTestable(unsigned int x) { int i, lim; state[0] = (uint32_t)x; for (i = 1; i < rand_deg; i++) state[i] = good_rand(state[i - 1]); fptr = &state[rand_sep]; rptr = &state[0]; lim = 10 * rand_deg; for (i = 0; i < lim; i++) (void)VRND_RandomTestable(); }
vfp_esi_gzip_pull(struct vfp_ctx *vc, struct vfp_entry *vfe, void *p, ssize_t *lp) { enum vfp_status vp; ssize_t d, l; struct vef_priv *vef; CHECK_OBJ_NOTNULL(vc, VFP_CTX_MAGIC); CHECK_OBJ_NOTNULL(vfe, VFP_ENTRY_MAGIC); CAST_OBJ_NOTNULL(vef, vfe->priv1, VEF_MAGIC); AN(p); AN(lp); *lp = 0; l = vef->ibuf_sz - (vef->ibuf_i - vef->ibuf); if (DO_DEBUG(DBG_ESI_CHOP)) { d = (VRND_RandomTestable() & 3) + 1; if (d < l) l = d; } vp = VFP_Suck(vc, vef->ibuf_i, &l); if (l > 0) { VEP_Parse(vef->vep, vef->ibuf_i, l); vef->ibuf_i += l; assert(vef->ibuf_o >= vef->ibuf && vef->ibuf_o <= vef->ibuf_i); if (vef->error) { errno = vef->error; return (VFP_ERROR); } l = vef->ibuf_i - vef->ibuf_o; if (l > 0) memmove(vef->ibuf, vef->ibuf_o, l); vef->ibuf_o = vef->ibuf; vef->ibuf_i = vef->ibuf + l; } if (vp == VFP_END) { vp = vfp_esi_end(vc, vef, vp); vfe->priv1 = NULL; } return (vp); }