Adwaith-Rajesh/gperf
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Correct width of columns when outputting the asso_values array.

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Patch by Frank Wojcik <frankw@touristinresidence.com>.

* src/output.cc (Output::output_hash_function): Increase the
field_width by 1 if _max_hash_value+1 is a power of 10.
This commit is contained in:
Bruno Haible
2018-09-08 15:36:36 +02:00
parent 0d37a8763d
commit a720310c28
2 changed files with 11 additions and 2 deletions
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7
ChangeLog
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@@ -1,3 +1,10 @@
2018-09-08 Bruno Haible <bruno@clisp.org>
Correct width of columns when outputting the asso_values array.
Patch by Frank Wojcik <frankw@touristinresidence.com>.
* src/output.cc (Output::output_hash_function): Increase the
field_width by 1 if _max_hash_value+1 is a power of 10.
2018-07-25 Bruno Haible <bruno@clisp.org>
Avoid "implicit fallthrough" warnings in the generated code.

6
src/output.cc
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@@ -851,6 +851,8 @@ Output::output_hash_function () const
/* First the asso_values array. */
if (_key_positions.get_size() > 0)
{
/* The values in the asso_values array are all unsigned integers
<= MAX_HASH_VALUE + 1. */
printf (" static %s%s asso_values[] =\n"
" {",
const_readonly_array,
@@ -858,9 +860,9 @@ Output::output_hash_function () const
const int columns = 10;
/* Calculate maximum number of digits required for MAX_HASH_VALUE. */
/* Calculate maximum number of digits required for MAX_HASH_VALUE + 1. */
int field_width = 2;
for (int trunc = _max_hash_value; (trunc /= 10) > 0;)
for (int trunc = _max_hash_value + 1; (trunc /= 10) > 0;)
field_width++;
for (unsigned int count = 0; count < _alpha_size; count++)