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ngspice
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prevent crash if 'hardcopy' is given without parameters

This commit is contained in:
Holger Vogt 2019-12-21 13:02:38 +01:00
parent cb4eeb44ee
commit 1c1c53434b
1 changed files with 11 additions and 3 deletions
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14
src/frontend/com_hardcopy.c
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@ -73,10 +73,18 @@ void com_hardcopy(wordlist *wl)
if (!wl && hc_button) {
char *psfname;
GRAPH *tempgraph;
if (DevSwitch(devtype)) {
/* initialze PS by calling PS_Init() */
if (DevSwitch(devtype))
return;
if (currentgraph)
tempgraph = CopyGraph(currentgraph);
else {
fprintf(stderr,
"No parameters for hardcopy command, not previous plot:\n");
fprintf(stderr, " Command hardcopy cannot be executed\n ");
return;
}
tempgraph = CopyGraph(currentgraph);
/* change .tmp to .ps */
psfname = strchr(fname, '.');
if (psfname) {
@ -150,7 +158,7 @@ void com_hardcopy(wordlist *wl)
PushGraphContext(currentgraph);
if (!foundit) {
if (!wl) {
if (!wl && cp_getvar("interactive", CP_BOOL, NULL, 0)) {
char *buf2;
outmenuprompt("which variable ? ");
buf2 = prompt(cp_in);