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-rw-r--r--src/njs_dtoa.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/njs_dtoa.h b/src/njs_dtoa.h
index 35ff09a5..4dcfc098 100644
--- a/src/njs_dtoa.h
+++ b/src/njs_dtoa.h
@@ -7,6 +7,8 @@
#ifndef _NJS_DTOA_H_INCLUDED_
#define _NJS_DTOA_H_INCLUDED_
+#define NJS_DTOA_MAX_LEN njs_length("-1.7976931348623157e+308")
+
NJS_EXPORT size_t njs_dtoa(double value, char *start);
NJS_EXPORT size_t njs_dtoa_precision(double value, char *start, size_t prec);
NJS_EXPORT size_t njs_dtoa_exponential(double value, char *start,