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-rw-r--r--src/library.js4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/library.js b/src/library.js
index 06661d59..d0a556be 100644
--- a/src/library.js
+++ b/src/library.js
@@ -3485,11 +3485,11 @@ LibraryManager.library = {
// http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
var result = __formatString(format, varargs);
var limit = (n === undefined) ? result.length
- : Math.min(result.length, n - 1);
+ : Math.min(result.length, Math.max(n - 1, 0));
for (var i = 0; i < limit; i++) {
{{{ makeSetValue('s', 'i', 'result[i]', 'i8') }}};
}
- {{{ makeSetValue('s', 'i', '0', 'i8') }}};
+ if (limit < n) {{{ makeSetValue('s', 'i', '0', 'i8') }}};
return result.length;
},
fprintf__deps: ['fwrite', '_formatString'],