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authorRich Felker <dalias@aerifal.cx>2012-10-18 20:26:41 -0400
committerRich Felker <dalias@aerifal.cx>2012-10-18 20:26:41 -0400
commit776251867d07cca2866908186ef245f72596ce75 (patch)
tree35f220753acfa5808691dca7e4d519ac1b1a0659
parentf321de9e0ae130e21faab5afe109270ec913602d (diff)
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avoid raising spurious division-by-zero exception in printf
-rw-r--r--src/stdio/vfprintf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 6525938f..4a2752b2 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -200,7 +200,7 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
char ebuf0[3*sizeof(int)], *ebuf=&ebuf0[3*sizeof(int)], *estr;
pl=1;
- if (y<0 || 1/y<0) {
+ if (signbit(y)) {
y=-y;
} else if (fl & MARK_POS) {
prefix+=3;