JehanneOS/mksh
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• use a flag for determining here strings, don’t parse delimiter every time

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• don’t leak memory parsing possible I/O redirection tokens
• get rid of volatile by using more const (also helps codegen, methinks)
• support empty here document markers (mksh extension)
• pimp the manpage
This commit is contained in:
tg
2011-05-05 00:05:01 +00:00
parent 4345dd1fb8
commit c021aa4cad
6 changed files with 120 additions and 50 deletions
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32
sh.h
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@@ -151,9 +151,9 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.467 2011/05/02 22:52:52 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.468 2011/05/05 00:04:59 tg Exp $");
#endif
#define MKSH_VERSION "R39 2011/05/02"
#define MKSH_VERSION "R39 2011/05/04"
#ifndef MKSH_INCLUDES_ONLY
@@ -1172,19 +1172,21 @@ struct ioword {
};
/* ioword.flag - type of redirection */
#define IOTYPE 0xF /* type: bits 0:3 */
#define IOREAD 0x1 /* < */
#define IOWRITE 0x2 /* > */
#define IORDWR 0x3 /* <>: todo */
#define IOHERE 0x4 /* << (here file) */
#define IOCAT 0x5 /* >> */
#define IODUP 0x6 /* <&/>& */
#define IOEVAL BIT(4) /* expand in << */
#define IOSKIP BIT(5) /* <<-, skip ^\t* */
#define IOCLOB BIT(6) /* >|, override -o noclobber */
#define IORDUP BIT(7) /* x<&y (as opposed to x>&y) */
#define IONAMEXP BIT(8) /* name has been expanded */
#define IOBASH BIT(9) /* &> etc. */
#define IOTYPE 0xF /* type: bits 0:3 */
#define IOREAD 0x1 /* < */
#define IOWRITE 0x2 /* > */
#define IORDWR 0x3 /* <>: todo */
#define IOHERE 0x4 /* << (here file) */
#define IOCAT 0x5 /* >> */
#define IODUP 0x6 /* <&/>& */
#define IOEVAL BIT(4) /* expand in << */
#define IOSKIP BIT(5) /* <<-, skip ^\t* */
#define IOCLOB BIT(6) /* >|, override -o noclobber */
#define IORDUP BIT(7) /* x<&y (as opposed to x>&y) */
#define IONAMEXP BIT(8) /* name has been expanded */
#define IOBASH BIT(9) /* &> etc. */
#define IOHERESTR BIT(10) /* <<< (here string) */
#define IONDELIM BIT(11) /* null delimiter (<<) */
/* execute/exchild flags */
#define XEXEC BIT(0) /* execute without forking */