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Fix $LINENO corruption when autoloading functions

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Autoloading a function caused the calling script's $LINENO to be
off by the number of lines in the function definition file. In
addition, while running autoloaded functions, errors/warnings were
reported with wrong line numbers.

src/cmd/ksh93/sh/path.c:
- Save $LINENO (shp->inlineno) before autoloading a function, reset
  it to 1 so that the correct line number offset is remembered for
  the function definition, and restore it after.

src/cmd/ksh93/tests/variables.sh:
- Add regression test for $LINENO, directly and in error messages,
  within and outside a non-autoloaded and an autoloaded function.

Fixes: https://github.com/ksh93/ksh/issues/116
This commit is contained in:
Martijn Dekker 2020-10-01 06:13:00 +02:00
parent be22f3759e
commit d89ef0fafa
3 changed files with 54 additions and 1 deletions
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@ -14,6 +14,10 @@ Any uppercase BUG_* names are modernish shell bug IDs.
nonzero exit status. Similarly, if both the 'errexit' and 'pipefail' options
are active, ksh now correctly exits if any pipeline element returns nonzero.
- Autoloading a function no longer causes the calling script's $LINENO to be
off by the number of lines in the function definition file that was loaded.
This also corrects line numbers in warnings and error messages.
2020-09-28:
- While executing a ksh-style function, ksh 93u+ ignored all signals for which