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24120: termcap string memory allocation was screwy

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This commit is contained in:
Peter Stephenson 2007-11-26 10:27:59 +00:00
parent 0c59f29ddc
commit 0d04d4c312
2 changed files with 8 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2007-11-26 Peter Stephenson <pws@csr.com>
* 24120: Src/init.c: memory allocation for termcap strings
was screwy, in particular when terminal couldn't move left.
* c.f. users/12248: Doc/Zsh/.distfiles: zshcalsys.1 was missing
from distribution.

6
Src/init.c
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@ -598,19 +598,22 @@ init_term(void)
if (tccan(TCUP))
termflags &= ~TERM_NOUP;
else {
zsfree(tcstr[TCUP]);
tcstr[TCUP] = NULL;
termflags |= TERM_NOUP;
}
/* most termcaps don't define "bc" because they use \b. */
if (!tccan(TCBACKSPACE)) {
zsfree(tcstr[TCBACKSPACE]);
tcstr[TCBACKSPACE] = ztrdup("\b");
tclen[TCBACKSPACE] = 1;
}
/* if there's no termcap entry for cursor left, use backspace. */
if (!tccan(TCLEFT)) {
tcstr[TCLEFT] = tcstr[TCBACKSPACE];
zsfree(tcstr[TCLEFT]);
tcstr[TCLEFT] = ztrdup(tcstr[TCBACKSPACE]);
tclen[TCLEFT] = tclen[TCBACKSPACE];
}
@ -629,6 +632,7 @@ init_term(void)
/* if there's no termcap entry for clear, use ^L. */
if (!tccan(TCCLEARSCREEN)) {
zsfree(tcstr[TCCLEARSCREEN]);
tcstr[TCCLEARSCREEN] = ztrdup("\14");
tclen[TCCLEARSCREEN] = 1;
}