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Don't call DestroyGraph if graf id is 0

This commit is contained in:
Holger Vogt 2019-12-22 23:02:29 +01:00
parent f1e08d7d32
commit 405807bb08
1 changed files with 4 additions and 3 deletions
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7
src/frontend/postsc.c
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@ -141,7 +141,7 @@ int PS_Init(void)
if (settxcolor > maxcolor || settxcolor < 0) {
fprintf(stderr, "Bad PS text color selection %d\n", settxcolor);
fprintf(stderr, " Maximum for hcopypstxcolor is %d\n", maxcolor - 1);
fprintf(stderr, " Maximum for hcopypstxcolor is %d\n\n", maxcolor - 1);
colorflag = 0;
dispdev->numcolors = 2;
}
@ -149,7 +149,7 @@ int PS_Init(void)
if (setbgcolor > maxcolor || setbgcolor < 0) {
fprintf(stderr, "Bad PS background color selection %d\n", setbgcolor);
fprintf(stderr, " Maximum for hcopypscolor is %d\n", maxcolor - 1);
fprintf(stderr, " Set to 1 (white)\n");
fprintf(stderr, " Set to 1 (white)\n\n");
setbgcolor = 1;
}
@ -327,7 +327,8 @@ int PS_Close(void)
* and reset currentgraph to graphid 1, if possible
*/
if (!screenflag) {
DestroyGraph(hcopygraphid);
if (hcopygraphid > 0)
DestroyGraph(hcopygraphid);
currentgraph = FindGraph(1);
}
return 0;