Function inflateStateCheck

zlib/inflate.c:88–98

#include "inffast.h"

local int inflateStateCheck(z_streamp strm) {
    struct inflate_state FAR *state;
    if (strm == Z_NULL ||
        strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0)
        return 1;
    state = (struct inflate_state FAR *)strm->state;
    if (state == Z_NULL || state->strm != strm ||
        state->mode < HEAD || state->mode > SYNC)
        return 1;
    return 0;
}

int ZEXPORT inflateResetKeep(z_streamp strm) {
    struct inflate_state FAR *state;