zsh/Src/hist.c

880     char *hf;
936     hf = getsparam("HISTFILE");
955 	savehistfile(hf, 0, HFILE_USE_OPTIONS | HFILE_FAST);
1238     char *hf;
1272     hf = getsparam("HISTFILE");
1273     if (isset(SHAREHISTORY) && !lockhistfile(hf, 0)) {
1274 	readhistfile(hf, 0, HFILE_USE_OPTIONS | HFILE_FAST);
1382 	savehistfile(hf, 0, HFILE_USE_OPTIONS | HFILE_FAST);
1383     unlockhistfile(hf); /* It's OK to call this even if we aren't locked */
3365  * list using hf for HISTFILE, hs for HISTSIZE, and shs for SAVEHIST.  If
3366  * the hf value is an empty string, HISTFILE will be unset from the new
3374 pushhiststack(char *hf, zlong hs, zlong shs, int level)
3391     if (hf) {
3407     if (hf) {
3408 	if (*hf)
3409 	    setsparam("HISTFILE", ztrdup(hf));