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Correct assorted grammos and typos.

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This commit is contained in:
Jens Schweikhardt 2006-04-16 11:54:01 +00:00
parent dd09eba412
commit 0ef05a46fd
1 changed files with 11 additions and 11 deletions
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22
bin/sh/TOUR
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@ -22,8 +22,8 @@ SOURCE CODE GENERATORS: Files whose names begin with "mk" are
programs that generate source code. A complete list of these
programs is:
program intput files generates
------- ------------ ---------
program input files generates
------- ----------- ---------
mkbuiltins builtins builtins.h builtins.c
mkinit *.c init.c
mknodes nodetypes nodes.h nodes.c
@ -91,7 +91,7 @@ INTERRUPTS: In an interactive shell, an interrupt will cause an
EXINT exception to return to the main command loop. (Exception:
EXINT is not raised if the user traps interrupts using the trap
command.) The INTOFF and INTON macros (defined in exception.h)
provide uninterruptable critical sections. Between the execution
provide uninterruptible critical sections. Between the execution
of INTOFF and the execution of INTON, interrupt signals will be
held for later delivery. INTOFF and INTON can be nested.
@ -110,7 +110,7 @@ string was going to be:
p = stackptr;
*p++ = c; /* repeated as many times as needed */
stackptr = p;
The folloing three macros (defined in memalloc.h) perform these
The following three macros (defined in memalloc.h) perform these
operations, but grow the stack if you run off the end:
STARTSTACKSTR(p);
STPUTC(c, p); /* repeated as many times as needed */
@ -119,7 +119,7 @@ operations, but grow the stack if you run off the end:
We now start a top-down look at the code:
MAIN.C: The main routine performs some initialization, executes
the user's profile if necessary, and calls cmdloop. Cmdloop is
the user's profile if necessary, and calls cmdloop. Cmdloop
repeatedly parses and executes commands.
OPTIONS.C: This file contains the option processing code. It is
@ -178,7 +178,7 @@ stitution. The possible types are:
VSQUESTION ${var?text}
VSQUESTION|VSNUL ${var:?text}
VSASSIGN ${var=text}
VSASSIGN|VSNUL ${var=text}
VSASSIGN|VSNUL ${var:=text}
In addition, the type field will have the VSQUOTE flag set if the
variable is enclosed in double quotes. The name of the variable
@ -204,7 +204,7 @@ CTLESC characters to begin with (so the contents of the text
field can be written without any processing). Other here docu-
ments, and words which are not subject to splitting and file name
generation, have the CTLESC characters removed during the vari-
able and command substitution phase. Words which are subject
able and command substitution phase. Words which are subject to
splitting and file name generation have the CTLESC characters re-
moved as part of the file name phase.
@ -212,7 +212,7 @@ EXECUTION: Command execution is handled by the following files:
eval.c The top level routines.
redir.c Code to handle redirection of input and output.
jobs.c Code to handle forking, waiting, and job control.
exec.c Code to to path searches and the actual exec sys call.
exec.c Code to do path searches and the actual exec sys call.
expand.c Code to evaluate arguments.
var.c Maintains the variable symbol table. Called from expand.c.
@ -232,7 +232,7 @@ control is defined.
REDIR.C: Ash allows file descriptors to be redirected and then
restored without forking off a child process. This is accom-
plished by duplicating the original file descriptors. The redir-
tab structure records where the file descriptors have be dupli-
tab structure records where the file descriptors have been dupli-
cated to.
EXEC.C: The routine find_command locates a command, and enters
@ -283,8 +283,8 @@ BUILTIN COMMANDS: The procedures for handling these are scat-
tered throughout the code, depending on which location appears
most appropriate. They can be recognized because their names al-
ways end in "cmd". The mapping from names to procedures is
specified in the file builtins, which is processed by the mkbuil-
tins command.
specified in the file builtins, which is processed by the mkbuilt-
ins command.
A builtin command is invoked with argc and argv set up like a
normal program. A builtin command is allowed to overwrite its