input.c File Reference

#include <sys/types.h>
#include <stdio.h>
#include "shell.h"
#include <fcntl.h>
#include <errno.h>
#include "syntax.h"
#include "input.h"
#include "output.h"
#include "memalloc.h"
#include "error.h"

Include dependency graph for input.c:

Go to the source code of this file.

Data Structures
struct	parsefile
Defines
#define	EOF_NLEFT   -99
Functions
char *readline	__P ((const char *prompt))
STATIC void	pushfile ()
char *	pfgets (char *line, len)
int	pgetc ()
int	preadbuffer ()
void	pungetc ()
void	ppushback (char *string, length)
void	setinputfile (char *fname, push)
void	setinputfd (fd, push)
void	setinputstring (char *string, push)
void	popfile ()
void	popallfiles ()
void	closescript ()
Variables
static char	sccsid [] = "@(#)input.c 5.4 (Berkeley) 7/1/91"
int	plinno = 1
MKINIT int	parsenleft
char *	parsenextc
MKINIT struct parsefile	basepf
char	basebuf [BUFSIZ]
parsefile *	parsefile = &basepf
char *	pushedstring
int	pushednleft
char *	r_use_prompt = NULL

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Define Documentation

#define EOF_NLEFT   -99

Definition at line 56 of file input.c. Referenced by preadbuffer().

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Function Documentation

char* readline __P (  (const char *prompt)   )

void closescript (   )

Definition at line 408 of file input.c. References close, parsefile::fd, parsefile, and popallfiles(). Referenced by forkshell().

char* pfgets (  char *  line, len  )

Definition at line 124 of file input.c. References c, parsefile::nleft, NULL, p, and pgetc_macro.

int pgetc (   )

Definition at line 154 of file input.c. References pgetc_macro. Referenced by parseheredoc(), readtoken1(), tryexec(), and xxreadtoken().

void popallfiles (   )

Definition at line 395 of file input.c. References basepf, parsefile, and popfile(). Referenced by closescript().

void popfile (   )

Definition at line 373 of file input.c. Referenced by dotcmd(), evalstring(), expudir(), listfiles(), popallfiles(), read_profile(), and readcmdfile().

void ppushback (  char *  string, length  )

Definition at line 273 of file input.c. References length, parsenextc, parsenleft, pushednleft, and pushedstring.

int preadbuffer (   )

Definition at line 171 of file input.c. References parsefile::buf, BUFSIZ, EINTR, EOF_NLEFT, errno, errout, EWOULDBLOCK, F_GETFL, F_SETFL, fcntl, parsefile::fd, flags, flushout(), free, i, NULL, O_NONBLOCK, out2str(), p, parsefile, parsenextc, parsenleft, prompt, pushednleft, pushedstring, read, readline(), strcpy(), and strlen().

void pungetc (   )

Definition at line 261 of file input.c. References parsenextc, and parsenleft. Referenced by readtoken1(), tryexec(), and xxreadtoken().

STATIC void pushfile (   )

Definition at line 359 of file input.c. References ckmalloc(), parsefile::fd, parsefile::linno, parsefile::nextc, parsefile::nleft, parsefile, parsenextc, parsenleft, plinno, and parsefile::prev. Referenced by adddir(), listfiles(), main(), setinputfd(), and setinputstring().

void setinputfd (  fd  , push  )

Definition at line 317 of file input.c. References parsefile::buf, BUFSIZ, ckmalloc(), close, F_GETFD, F_SETFD, fcntl, parsefile::fd, FD_CLOEXEC, NULL, parsefile, parsenleft, plinno, and pushfile(). Referenced by read_profile(), readcmdfile(), and setinputfile().

void setinputfile (  char *  fname, push  )

Definition at line 290 of file input.c. References close, copyfd(), error, fd2, INTOFF, INTON, O_RDONLY, open, and setinputfd(). Referenced by dotcmd(), expudir(), procargs(), and tryexec().

void setinputstring (  char *  string, push  )

Definition at line 338 of file input.c. References parsefile::buf, INTOFF, INTON, NULL, parsefile, parsenextc, parsenleft, plinno, pushfile(), and strlen(). Referenced by evalstring().

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Variable Documentation

char basebuf[BUFSIZ]

Definition at line 79 of file input.c.

MKINIT struct parsefile basepf

Definition at line 78 of file input.c. Referenced by popallfiles().

struct parsefile* parsefile = &basepf

Definition at line 80 of file input.c. Referenced by closescript(), popallfiles(), popfile(), preadbuffer(), pushfile(), setinputfd(), and setinputstring().

char* parsenextc

Definition at line 77 of file input.c. Referenced by popfile(), ppushback(), preadbuffer(), pungetc(), pushfile(), setinputstring(), and tryexec().

MKINIT int parsenleft

Definition at line 76 of file input.c. Referenced by popfile(), ppushback(), preadbuffer(), pungetc(), pushfile(), setinputfd(), setinputstring(), and tryexec().

int plinno = 1

Definition at line 75 of file input.c. Referenced by popfile(), pushfile(), readtoken1(), setinputfd(), setinputstring(), and xxreadtoken().

int pushednleft

Definition at line 82 of file input.c. Referenced by ppushback(), and preadbuffer().

char* pushedstring

Definition at line 81 of file input.c. Referenced by ppushback(), and preadbuffer().

char* r_use_prompt = NULL

Definition at line 86 of file input.c. Referenced by putprompt().

char sccsid[] = "@(#)input.c 5.4 (Berkeley) 7/1/91" [static]

Definition at line 38 of file input.c.

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