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conv-settings-dialog: harden number2eng function against null pointer

This commit is contained in:
Mario Hüttel 2019-05-12 14:16:36 +02:00
parent c3c4636334
commit 54165a8475
1 changed files with 4 additions and 0 deletions
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4
widgets/conv-settings-dialog.c
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@ -191,6 +191,10 @@ static double convert_number_to_engineering(double input, const char **out_prefi
1E2, 1E3, 1E6, 1E9, 1E12, 1E15, 1E18, 1E21, 1E24};
const int prefix_count = (int)(sizeof(prefixes)/sizeof(char *));
/* If pointer is invalid, return NaN */
if (!out_prefix)
return 0.0 / 0.0;
/* Start with the 2nd smallest prefix */
for (idx = 1; idx < prefix_count; idx++) {
if (input < scale[idx]) {