memalloc.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	stackmark
Defines
#define	stackblock()   stacknxt
#define	stackblocksize()   stacknleft
#define	STARTSTACKSTR(p)   p = stackblock(), sstrnleft = stackblocksize()
#define	STPUTC(c, p)   (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c)))
#define	CHECKSTRSPACE(n, p)   if (sstrnleft < n) p = makestrspace(); else
#define	USTPUTC(c, p)   (--sstrnleft, *p++ = (c))
#define	STACKSTRNUL(p)   (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0'))
#define	STUNPUTC(p)   (++sstrnleft, --p)
#define	STTOPC(p)   p[-1]
#define	STADJUST(amount, p)   (p += (amount), sstrnleft -= (amount))
#define	grabstackstr(p)   stalloc(stackblocksize() - sstrnleft)
#define	ckfree(p)   free((pointer)(p))
Functions
pointer	ckmalloc ()
pointer	ckrealloc ()
void	free ()
char *	savestr ()
pointer	stalloc ()
void	stunalloc ()
void	setstackmark ()
void	popstackmark ()
void	growstackblock ()
void	grabstackblock ()
char *	growstackstr ()
char *	makestrspace ()
void	ungrabstackstr ()
Variables
char *	stacknxt
int	stacknleft
int	sstrnleft
int	herefd

---

Define Documentation

#define CHECKSTRSPACE (  n, p   )     if (sstrnleft < n) p = makestrspace(); else

Definition at line 87 of file memalloc.h. Referenced by readtoken1().

#define ckfree (  p   )     free((pointer)(p))

Definition at line 95 of file memalloc.h. Referenced by clear_traps(), clearcmdentry(), delete_cmd_entry(), deletefuncs(), expandarg(), freejob(), freeparam(), freestdout(), popfile(), poplocalvars(), popstackmark(), shiftcmd(), shprocvar(), and updatepwd().

#define grabstackstr (  p   )     stalloc(stackblocksize() - sstrnleft)

Definition at line 93 of file memalloc.h. Referenced by casematch(), evalcmd(), expandarg(), and expbackq().

#define stackblock (   )     stacknxt

Definition at line 83 of file memalloc.h. Referenced by docd(), evalvar(), expandhere(), expbackq(), growstackstr(), makestrspace(), padvance(), and updatepwd().

#define stackblocksize (   )     stacknleft

Definition at line 84 of file memalloc.h. Referenced by growstackstr(), makestrspace(), and padvance().

#define STACKSTRNUL (  p   )     (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0'))

Definition at line 89 of file memalloc.h. Referenced by evalvar(), and updatepwd().

#define STADJUST (  amount, p   )     (p += (amount), sstrnleft -= (amount))

Definition at line 92 of file memalloc.h. Referenced by evalvar().

#define STARTSTACKSTR (  p   )     p = stackblock(), sstrnleft = stackblocksize()

Definition at line 85 of file memalloc.h. Referenced by casematch(), evalcmd(), expandarg(), readcmd(), readtoken1(), and updatepwd().

#define STPUTC (  c, p   )     (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c)))

Definition at line 86 of file memalloc.h. Referenced by argstr(), casematch(), evalcmd(), evalvar(), expandarg(), updatepwd(), and varvalue().

#define STTOPC (  p   )     p[-1]

Definition at line 91 of file memalloc.h.

#define STUNPUTC (  p   )     (++sstrnleft, --p)

Definition at line 90 of file memalloc.h. Referenced by updatepwd().

#define USTPUTC (  c, p   )     (--sstrnleft, *p++ = (c))

Definition at line 88 of file memalloc.h. Referenced by readtoken1().

---

Function Documentation

pointer ckmalloc (   )

pointer ckrealloc (   )

void free (   )

void grabstackblock (   )

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 (   )

char* savestr (   )

void setstackmark (   )

pointer stalloc (   )

void stunalloc (   )

void ungrabstackstr (   )

---

Variable Documentation

int herefd

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

int sstrnleft

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

int stacknleft

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

char* stacknxt

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

---