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Source:Hack 1.0/alloc.c

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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.

Warning! This is the source code from an old release. For the latest release, see Source code

Screenshots and source code from Hack are used under the CWI license.
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

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