diff options
Diffstat (limited to 'libiberty/functions.texi')
| -rw-r--r-- | libiberty/functions.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libiberty/functions.texi b/libiberty/functions.texi index 4261d86..b34c204 100644 --- a/libiberty/functions.texi +++ b/libiberty/functions.texi @@ -337,13 +337,19 @@ or zero if it is not. Note that the value you pass will be cast to @end deftypefn @c hex.c:42 -@deftypefn Extension int hex_value (int @var{c}) +@deftypefn Extension unsigned int hex_value (int @var{c}) Returns the numeric equivalent of the given character when interpreted as a hexidecimal digit. The result is undefined if you pass an invalid hex digit. Note that the value you pass will be cast to @code{unsigned char} within the macro. +The @code{hex_value} macro returns @code{unsigned int}, rather than +signed @code{int}, to make it easier to use in parsing addresses from +hex dump files: a signed @code{int} would be sign-extended when +converted to a wider unsigned type --- like @code{bfd_vma}, on some +systems. + @end deftypefn @c index.c:5 |