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47300: Document the EC_NODUP, EC_DUP, EC_DUPTOK triplet.

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All uses reviewed; no functional change.
This commit is contained in:
Daniel Shahaf 2020-03-22 08:09:09 +00:00
parent cab21aff93
commit d4da2c73f0
3 changed files with 32 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2020-08-08 Daniel Shahaf <d.s@daniel.shahaf.name>
* 47300: Src/parse.c, Src/zsh.h: Document the EC_NODUP, EC_DUP,
EC_DUPTOK triplet.
2020-08-08 Mikael Magnusson <mikachu@gmail.com>
* unposted: Completion/BSD/Command/_kdump,

7
Src/parse.c
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@ -2828,6 +2828,13 @@ freeeprog(Eprog p)
}
}
/*
* dup is of type 'enum ec_dup_t'.
*
* If tokflag is not NULL, *tokflag will be set to 1 if the string contains
* tokens and to 0 otherwise.
*/
/**/
char *
ecgetstr(Estate s, int dup, int *tokflag)

23
Src/zsh.h
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@ -862,9 +862,26 @@ struct eccstr {
int hashval;
};
#define EC_NODUP 0
#define EC_DUP 1
#define EC_DUPTOK 2
/*
* Values for the "dup" parameter to ecgetstr().
*/
enum ec_dup_t {
/*
* Make no promises about how the return value is allocated, except that
* the caller does not need to explicitly free it. It might be heap allocated,
* a static string, or anything in between.
*/
EC_NODUP = 0,
/* Allocate the return value from the heap. */
EC_DUP = 1,
/*
* If the string contains tokens (as indicated by the least significant bit
* of the wordcode), behave as EC_DUP; otherwise, as EC_NODUP.
*/
EC_DUPTOK = 2
};
/* See comment at the top of Src/parse.c for details. */
#define WC_CODEBITS 5