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patch 7.4.2221

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Problem:    printf() does not support binary format.
Solution:   Add %b and %B. (Ozaki Kiichi)
This commit is contained in:
Bram Moolenaar
2016-08-16 21:58:41 +02:00
parent e5a8f35b42
commit 91984b9034
4 changed files with 75 additions and 14 deletions
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21
runtime/doc/eval.txt
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@@ -5884,6 +5884,7 @@ printf({fmt}, {expr1} ...) *printf()*
%04x hex number padded with zeros to at least 4 characters
%X hex number using upper case letters
%o octal number
%08b binary number padded with zeros to at least 8 chars
%f floating point number in the form 123.456
%e floating point number in the form 1.234e3
%E floating point number in the form 1.234E3
@@ -5910,6 +5911,9 @@ printf({fmt}, {expr1} ...) *printf()*
character of the output string to a zero (except
if a zero value is printed with an explicit
precision of zero).
For b and B conversions, a non-zero result has
the string "0b" (or "0B" for B conversions)
prepended to it.
For x and X conversions, a non-zero result has
the string "0x" (or "0X" for X conversions)
prepended to it.
@@ -5917,8 +5921,8 @@ printf({fmt}, {expr1} ...) *printf()*
0 (zero) Zero padding. For all conversions the converted
value is padded on the left with zeros rather
than blanks. If a precision is given with a
numeric conversion (d, o, x, and X), the 0 flag
is ignored.
numeric conversion (d, b, B, o, x, and X), the 0
flag is ignored.
- A negative field width flag; the converted value
is to be left adjusted on the field boundary.
@@ -5966,12 +5970,13 @@ printf({fmt}, {expr1} ...) *printf()*
The conversion specifiers and their meanings are:
*printf-d* *printf-o* *printf-x* *printf-X*
doxX The Number argument is converted to signed decimal
(d), unsigned octal (o), or unsigned hexadecimal (x
and X) notation. The letters "abcdef" are used for
x conversions; the letters "ABCDEF" are used for X
conversions.
*printf-d* *printf-b* *printf-B* *printf-o*
*printf-x* *printf-X*
dbBoxX The Number argument is converted to signed decimal
(d), unsigned binary (b and B), unsigned octal (o), or
unsigned hexadecimal (x and X) notation. The letters
"abcdef" are used for x conversions; the letters
"ABCDEF" are used for X conversions.
The precision, if any, gives the minimum number of
digits that must appear; if the converted value
requires fewer digits, it is padded on the left with