Source:Hack 1.0/alloc.c

Below is the full text to alloc.c from the source code of Hack 1.0. To link to a particular line, write [[Hack 1.0/alloc.c#line123]], for example.

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1.    #ifdef LINT
2.    
3.    /*
4.       a ridiculous definition, suppressing
5.    	"possible pointer alignment problem" for (long *) malloc()
6.    	"enlarg defined but never used"
7.    	"ftell defined (in <stdio.h>) but never used"
8.       from lint
9.    */
10.   #include <stdio.h>
11.   long *
12.   alloc(n) unsigned n; {
13.   long dummy = ftell(stderr);
14.   	if(n) dummy = 0;	/* make sure arg is used */
15.   	return(&dummy);
16.   }
17.   
18.   #else
19.   
20.   extern char *malloc();
21.   extern char *realloc();
22.   
23.   long *
24.   alloc(lth)
25.   register unsigned lth;
26.   {
27.   	register char *ptr;
28.   
29.   	if(!(ptr = malloc(lth)))
30.   		panic("Cannot get %d bytes", lth);
31.   	return((long *) ptr);
32.   }
33.   
34.   long *
35.   enlarge(ptr,lth)
36.   register char *ptr;
37.   register unsigned lth;
38.   {
39.   	register char *nptr;
40.   
41.   	if(!(nptr = realloc(ptr,lth)))
42.   		panic("Cannot reallocate %d bytes", lth);
43.   	return((long *) nptr);
44.   }
45.   
46.   #endif LINT