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-rw-r--r--include/printf.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/printf.h b/include/printf.h
index 8f064149d3..5127a45f9b 100644
--- a/include/printf.h
+++ b/include/printf.h
@@ -53,7 +53,18 @@ int __wprintf_function_invoke (void *, printf_function callback,
#include <bits/types/locale_t.h>
-/* Now define the internal interfaces. */
+/* Returns the width (as for printf, in bytes) of the converted ASCII
+ number in the characters in the range [FIRST, LAST). The range
+ must only contain ASCII digits. The caller is responsible for
+ avoiding overflow.
+
+ This function is used during non-wide digit translation. Wide
+ digit translate produces one wide character per ASCII digit,
+ so the width is simply LAST - FIRST. */
+int __translated_number_width (locale_t loc,
+ const char *first, const char *last)
+ attribute_hidden;
+
extern int __printf_fphex (FILE *, const struct printf_info *,
const void *const *) attribute_hidden;
extern int __printf_fp (FILE *, const struct printf_info *,