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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-04-01 04:32:57 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-04-01 04:32:57 +0000
commit12b2e16e21bbd7f0b6fd12c7e21cba4d42e284ad (patch)
tree20346cc6c455bba7684139a3c2af88806a9ba7b4 /sprintf.c
parent4d399f12d4354c17bbb1ea2b12de4c11c6ac03ff (diff)
* sprintf.c (rb_str_format): support %a format. [ruby-dev:40650]
* missing/vsnprintf.c (BSD_vfprintf): ditto. * missing/vsnprintf.c (cvt): ditto. * util.c (BSD__hdtoa): added. This is 2-clause BSDL licensed by David Schultz and from FreeBSD. * LEGAL: add about hdtoa() in util.c. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'sprintf.c')
-rw-r--r--sprintf.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/sprintf.c b/sprintf.c
index bec0569..e26b833 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -227,6 +227,10 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
* | equal to the precision, or in dd.dddd form otherwise.
* | The precision specifies the number of significant digits.
* G | Equivalent to `g', but use an uppercase `E' in exponent form.
+ * a | Convert floating point argument as [-]0xh.hhhhp[+-]dd,
+ * | which is consisted from optional sign, "0x", fraction part
+ * | as hexadecimal, "p", and exponential part as decimal.
+ * A | Equivalent to `a', but use uppercase `X' and `P'.
*
* Field | Other Format
* ------+--------------------------------------------------------------
@@ -244,7 +248,7 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
* Flag | Applies to | Meaning
* ---------+---------------+-----------------------------------------
* space | bBdiouxX | Leave a space at the start of
- * | eEfgG | non-negative numbers.
+ * | aAeEfgG | non-negative numbers.
* | (numeric fmt) | For `o', `x', `X', `b' and `B', use
* | | a minus sign with absolute value for
* | | negative values.
@@ -255,19 +259,19 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
* | | sprintf string.
* ---------+---------------+-----------------------------------------
* # | bBoxX | Use an alternative format.
- * | eEfgG | For the conversions `o', increase the precision
+ * | aAeEfgG | For the conversions `o', increase the precision
* | | until the first digit will be `0' if
* | | it is not formatted as complements.
* | | For the conversions `x', `X', `b' and `B'
* | | on non-zero, prefix the result with ``0x'',
* | | ``0X'', ``0b'' and ``0B'', respectively.
- * | | For `e', `E', `f', `g', and 'G',
+ * | | For `a', `A', `e', `E', `f', `g', and 'G',
* | | force a decimal point to be added,
* | | even if no digits follow.
* | | For `g' and 'G', do not remove trailing zeros.
* ---------+---------------+-----------------------------------------
* + | bBdiouxX | Add a leading plus sign to non-negative
- * | eEfgG | numbers.
+ * | aAeEfgG | numbers.
* | (numeric fmt) | For `o', `x', `X', `b' and `B', use
* | | a minus sign with absolute value for
* | | negative values.
@@ -275,7 +279,7 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
* - | all | Left-justify the result of this conversion.
* ---------+---------------+-----------------------------------------
* 0 (zero) | bBdiouxX | Pad with zeros, not spaces.
- * | eEfgG | For `o', `x', `X', `b' and `B', radix-1
+ * | aAeEfgG | For `o', `x', `X', `b' and `B', radix-1
* | (numeric fmt) | is used for negative numbers formatted as
* | | complements.
* ---------+---------------+-----------------------------------------
@@ -983,6 +987,8 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
case 'G':
case 'e':
case 'E':
+ case 'a':
+ case 'A':
{
VALUE val = GETARG();
double fval;