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fix overread (consuming an extra byte) scanning NAN

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bug detected by glib test suite
This commit is contained in:
Rich Felker
2012-04-21 11:57:39 -04:00
parent c613125966
commit 33e7781b5b
1 changed files with 1 additions and 1 deletions
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2
src/internal/floatscan.c
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@ -436,7 +436,7 @@ long double __floatscan(FILE *f, int prec, int pok)
return sign * INFINITY;
}
if (!i) for (i=0; i<3 && (c|32)=="nan"[i]; i++)
if (i<3) c = shgetc(f);
if (i<2) c = shgetc(f);
if (i==3) {
return NAN;
}