check return value of scanf
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1 changed files with 4 additions and 1 deletions
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@ -161,7 +161,10 @@ int main(int argc, char *argv[])
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q = atoi(argv[1]);
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} else {
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printf("input quantize=");
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scanf("%d", &q);
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if (scanf("%d", &q) != 1) {
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fprintf(stderr, "bad number\n");
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return 1;
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}
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}
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printf("q=%d\n", q);
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uint32 qTbl[] = {
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