https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195929
Mikhail T. <m...@aldan.algebra.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #150516|0 |1
is obsolete| |
--- Comment #2 from Mikhail T. <m...@aldan.algebra.com> ---
Created attachment 150518
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=150518&action=edit
Constify, remove command-length limits
This patch purports to eliminate the use of static buffers (of size
_POSIX2_LINE_MAX -- 2048).
They are replaced by either dynamically-allocated memory (when reading from
file using getline() instead fgets()) and by using the already-recorded
strings, when those are given on command-line (-e).
This saves run-time memory -- because most commands are much shorter than 2048,
while also lifting the hard-limit for those cases, when a command is longer...
The latter case was handled badly before -- the command was silently truncated
leading to cryptic error messages at best (see Bug 177018) or to a possible
corruption at worst.
Tested (under valgrind) against math.sed and hanoi.sed, as well as the very
long -e argument.
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