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fixed SIGSEGV when cannot open file for text snapshot

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This commit is contained in:
Stanislav Shwartsman 2012-07-28 08:17:08 +00:00
parent a1ebdc41ac
commit 553d1bfb37
1 changed files with 5 additions and 0 deletions
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5
bochs/gui/gui.cc
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@ -450,6 +450,11 @@ void bx_gui_c::snapshot_handler(void)
strcpy (filename, "snapshot.txt");
}
FILE *fp = fopen(filename, "wb");
if (! fp) {
BX_ERROR(("snapshot button failed: cannot create text file"));
free(snapshot_ptr);
return;
}
fwrite(snapshot_ptr, 1, len, fp);
fclose(fp);
free(snapshot_ptr);