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#define FBSIZE 72 /* size of malloc call */ |
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#include "meta.h" |
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extern int maxalloc; /* number of prims to allocate */ |
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int nalloc = 0; /* number allocated so far */ |
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static PLIST freelist = {NULL, NULL}; |
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static int morefree(void); |
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PRIMITIVE * |
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palloc() /* allocate a primitive */ |
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palloc(void) /* allocate a primitive */ |
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{ |
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register PRIMITIVE *p; |
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register PRIMITIVE *p; |
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if (maxalloc > 0 && nalloc >= maxalloc) |
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return(NULL); |
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if (maxalloc > 0 && nalloc >= maxalloc) |
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return(NULL); |
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if ((p = pop(&freelist)) == NULL) |
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if (morefree()) |
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p = pop(&freelist); |
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else { |
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sprintf(errmsg, "out of memory in palloc (nalloc = %d)", nalloc); |
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error(SYSTEM, errmsg); |
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} |
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if ((p = pop(&freelist)) == NULL) { |
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if (morefree()) |
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p = pop(&freelist); |
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else { |
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sprintf(errmsg, "out of memory in palloc (nalloc = %d)", nalloc); |
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error(SYSTEM, errmsg); |
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} |
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} |
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nalloc++; |
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return(p); |
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} |
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nalloc++; |
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return(p); |
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} |
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pfree(p) /* free a primitive */ |
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register PRIMITIVE *p; |
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void |
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pfree( /* free a primitive */ |
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register PRIMITIVE *p |
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) |
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{ |
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if (p->args != NULL) { |
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plfree(pl) /* free a primitive list */ |
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register PLIST *pl; |
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void |
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plfree( /* free a primitive list */ |
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register PLIST *pl |
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) |
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{ |
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register PRIMITIVE *p; |
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static int |
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morefree() /* get more free space */ |
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morefree(void) /* get more free space */ |
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{ |
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register PRIMITIVE *p; |
