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printf: fix printing +-prefixed numbers

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Thanks to Cristian Ionescu-Idbohrn for noticing.

Also fix "%d" '  42' to skip leading whitespace.

function                                             old     new   delta
print_direc                                          435     454     +19
bb_strtoll                                            99     103      +4
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 23/0)               Total: 23 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer
2018-10-19 15:25:41 +02:00
parent 7effa31cd4
commit 3db4e7f84c
3 changed files with 37 additions and 3 deletions
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33
testsuite/printf.tests
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@@ -79,6 +79,39 @@ testing "printf understands %Ld" \
"-5\n""0\n" \
"" ""
testing "printf handles positive numbers for %d" \
"${bb}printf '%d\n' 3 +3 ' 3' ' +3' 2>&1; echo \$?" \
"3\n"\
"3\n"\
"3\n"\
"3\n""0\n" \
"" ""
testing "printf handles positive numbers for %i" \
"${bb}printf '%i\n' 3 +3 ' 3' ' +3' 2>&1; echo \$?" \
"3\n"\
"3\n"\
"3\n"\
"3\n""0\n" \
"" ""
testing "printf handles positive numbers for %x" \
"${bb}printf '%x\n' 42 +42 ' 42' ' +42' 2>&1; echo \$?" \
"2a\n"\
"2a\n"\
"2a\n"\
"2a\n""0\n" \
"" ""
testing "printf handles positive numbers for %f" \
"${bb}printf '%0.3f\n' .42 +.42 ' .42' ' +.42' 2>&1; echo \$?" \
"0.420\n"\
"0.420\n"\
"0.420\n"\
"0.420\n""0\n" \
"" ""
# "FIXED" now to act compatibly
## We are "more correct" here than bash/coreutils: they happily print -2
## as if it is a huge unsigned number