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them are related to the `c' function's need to know if we are at the actual end of the address range. (It must print the text not earlier than the whole pattern space was deleted.) It appears the only sed function with this requirement. There is `lastaddr' set by applies(), which is to notify the `c' function, but it can't always help because it's false when we are hitting the end of file early. There is also a bug in applies() due to which `lastaddr' isn't set to true on degenerate ranges such as `$,$' or `N,$' if N appears the last line number. Handling early EOF condition in applies() could look more logical, but it would effectively revert sed to the unreasonable behaviour rev. 1.26 of main.c fought against, as it would require lastline() be called for each line within each address range. So it's better to call lastline() only if needed by the `c' function. Together with this change to sed go regression tests for the bugs fixed (c1-c3). A basic test of `c' (c0) is also added as it helped me to spot my own error. Discussed with: dds Tested by: the regression tests MFC after: 1 week |
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| build | ||
| debugscripts | ||
| diag | ||
| kerneldoc | ||
| KSE | ||
| LibraryReport | ||
| regression | ||
| sched | ||
| test | ||
| tools | ||
| install.sh | ||
| make_libdeps.sh | ||
| README | ||
$FreeBSD$ This directory tree contains tools used for the maintenance and testing of FreeBSD. There is no toplevel Makefile structure since these tools are not meant to be built as part of the standard system, though there may be individual Makefiles in some of the subdirs. Please read the README files in the subdirs for further information.