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	malloc.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	---
	malloc.c (690B)
	---
	1 /*
	2 * These are here mainly so that I can link against
	3 * debugmalloc.c instead and not recompile the world.
	4 */
	5
	6 #include <u.h>
	7 #define NOPLAN9DEFINES
	8 #include <libc.h>
	9
	10 static Lock malloclock;
	11
	12 void*
	13 p9malloc(ulong n)
	14 {
	15 void *v;
	16
	17 if(n == 0)
	18 n++;
	19 lock(&malloclock);
	20 v = malloc(n);
	21 unlock(&malloclock);
	22 return v;
	23 }
	24
	25 void
	26 p9free(void *v)
	27 {
	28 if(v == nil)
	29 return;
	30 lock(&malloclock);
	31 free(v);
	32 unlock(&malloclock);
	33 }
	34
	35 void*
	36 p9calloc(ulong a, ulong b)
	37 {
	38 void *v;
	39
	40 if(a*b == 0)
	41 a = b = 1;
	42
	43 lock(&malloclock);
	44 v = calloc(a*b, 1);
	45 unlock(&malloclock);
	46 return v;
	47 }
	48
	49 void*
	50 p9realloc(void *v, ulong n)
	51 {
	52 lock(&malloclock);
	53 v = realloc(v, n);
	54 unlock(&malloclock);
	55 return v;
	56 }