memalloc.c File Reference

#include "shell.h"
#include "output.h"
#include "memalloc.h"
#include "error.h"
#include "machdep.h"
#include "mystring.h"

Include dependency graph for memalloc.c:

Go to the source code of this file.

Data Structures
struct	stack_block
Defines
#define	MINSIZE   504
Functions
pointer	ckmalloc (nbytes)
pointer	ckrealloc (pointer p, nbytes)
char *	savestr (char *s)
pointer	stalloc (nbytes)
void	stunalloc (pointer p)
void	setstackmark (struct stackmark *mark)
void	popstackmark (struct stackmark *mark)
void	growstackblock ()
void	grabstackblock (len)
char *	growstackstr ()
char *	makestrspace ()
void	ungrabstackstr (char *s, char *p)
Variables
static char	sccsid [] = "@(#)memalloc.c 5.2 (Berkeley) 3/13/91"
stack_block	stackbase
stack_block *	stackp = &stackbase
char *	stacknxt = stackbase.space
int	stacknleft = MINSIZE
int	sstrnleft
int	herefd = -1

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Define Documentation

#define MINSIZE   504

Definition at line 104 of file memalloc.c. Referenced by growstackblock(), and stalloc().

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Function Documentation

pointer ckmalloc (  nbytes   )

Definition at line 53 of file memalloc.c. References error, malloc(), nbytes, NULL, and p. Referenced by addchar(), commandtext(), emptyoutbuf(), expandmeta(), makejob(), mklocal(), pushfile(), recordregion(), redirect(), savestr(), setinputfd(), setparam(), and stalloc().

pointer ckrealloc (  pointer  p, nbytes  )

Definition at line 68 of file memalloc.c. References error, nbytes, NULL, and realloc(). Referenced by emptyoutbuf(), and growstackblock().

void grabstackblock (  len   )

Definition at line 229 of file memalloc.c. References ALIGN, stacknleft, and stacknxt.

void growstackblock (   )

Definition at line 201 of file memalloc.c. References bcopy, ckrealloc(), INTOFF, INTON, MINSIZE, p, sp, stack_block::space, stackbase, stacknleft, stacknxt, stackp, and stalloc(). Referenced by growstackstr(), makestrspace(), and padvance().

char* growstackstr (   )

Definition at line 257 of file memalloc.c. References growstackblock(), herefd, sstrnleft, stackblock, stackblocksize, and xwrite().

char* makestrspace (   )

Definition at line 275 of file memalloc.c. References growstackblock(), sstrnleft, stackblock, and stackblocksize.

void popstackmark (  struct stackmark *  mark  )

Definition at line 173 of file memalloc.c. References ckfree, INTOFF, INTON, sp, stacknleft, stacknxt, and stackp. Referenced by casematch(), evalbackcmd(), evalcase(), evalcommand(), evalfor(), evalstring(), and main().

char* savestr (  char *  s  )

Definition at line 84 of file memalloc.c. References ckmalloc(), p, savestr, scopy, and strlen().

void setstackmark (  struct stackmark *  mark  )

Definition at line 163 of file memalloc.c. References stacknleft, stacknxt, and stackp. Referenced by casematch(), chkmail(), cmdloop(), evalbackcmd(), evalcase(), evalcommand(), evalfor(), evalstring(), and main().

pointer stalloc (  nbytes   )

Definition at line 122 of file memalloc.c. References ALIGN, ckmalloc(), INTOFF, INTON, MINSIZE, nbytes, p, sp, stacknleft, stacknxt, and stackp.

void stunalloc (  pointer  p  )

Definition at line 149 of file memalloc.c. References abort(), NULL, stacknleft, stacknxt, and write. Referenced by find_command(), printentry(), and shellexec().

void ungrabstackstr (  char *  s, char *  p )

Definition at line 285 of file memalloc.c. References sstrnleft, stacknleft, and stacknxt. Referenced by expbackq().

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Variable Documentation

int herefd = -1

Definition at line 117 of file memalloc.c. Referenced by evalvar(), expandhere(), expbackq(), and growstackstr().

char sccsid[] = "@(#)memalloc.c 5.2 (Berkeley) 3/13/91" [static]

Definition at line 38 of file memalloc.c.

int sstrnleft

Definition at line 116 of file memalloc.c. Referenced by growstackstr(), makestrspace(), and ungrabstackstr().

struct stack_block stackbase

Definition at line 112 of file memalloc.c. Referenced by growstackblock().

int stacknleft = MINSIZE

Definition at line 115 of file memalloc.c. Referenced by grabstackblock(), growstackblock(), popstackmark(), setstackmark(), stalloc(), stunalloc(), and ungrabstackstr().

char* stacknxt = stackbase.space

Definition at line 114 of file memalloc.c. Referenced by grabstackblock(), growstackblock(), popstackmark(), setstackmark(), stalloc(), stunalloc(), and ungrabstackstr().

struct stack_block* stackp = &stackbase

Definition at line 113 of file memalloc.c. Referenced by decompress(), growstackblock(), popstackmark(), re_compile(), setstackmark(), and stalloc().

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