diff options
Diffstat (limited to 'pd/src/m_memory.c')
-rw-r--r-- | pd/src/m_memory.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/pd/src/m_memory.c b/pd/src/m_memory.c new file mode 100644 index 00000000..cb94e4b1 --- /dev/null +++ b/pd/src/m_memory.c @@ -0,0 +1,88 @@ +/* Copyright (c) 1997-1999 Miller Puckette. +* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include <stdlib.h> +#include <string.h> +#include "m_imp.h" + +/* #define LOUD */ +#ifdef LOUD +#include <stdio.h> +#endif + +/* #define DEBUGMEM */ +#ifdef DEBUGMEM +static int totalmem = 0; +#endif + +void *getbytes(size_t nbytes) +{ + void *ret; + if (nbytes < 1) nbytes = 1; + ret = (void *)calloc(nbytes, 1); +#ifdef LOUD + fprintf(stderr, "new %x %d\n", (int)ret, nbytes); +#endif /* LOUD */ +#ifdef DEBUGMEM + totalmem += nbytes; +#endif + if (!ret) + post("pd: getbytes() failed -- out of memory"); + return (ret); +} + +void *getzbytes(size_t nbytes) /* obsolete name */ +{ + return (getbytes(nbytes)); +} + +void *copybytes(void *src, size_t nbytes) +{ + void *ret; + ret = getbytes(nbytes); + if (nbytes) + memcpy(ret, src, nbytes); + return (ret); +} + +void *resizebytes(void *old, size_t oldsize, size_t newsize) +{ + void *ret; + if (newsize < 1) newsize = 1; + if (oldsize < 1) oldsize = 1; + ret = (void *)realloc((char *)old, newsize); + if (newsize > oldsize && ret) + memset(((char *)ret) + oldsize, 0, newsize - oldsize); +#ifdef LOUD + fprintf(stderr, "resize %x %d --> %x %d\n", (int)old, oldsize, (int)ret, newsize); +#endif /* LOUD */ +#ifdef DEBUGMEM + totalmem += (newsize - oldsize); +#endif + if (!ret) + post("pd: resizebytes() failed -- out of memory"); + return (ret); +} + +void freebytes(void *fatso, size_t nbytes) +{ + if (nbytes == 0) + nbytes = 1; +#ifdef LOUD + fprintf(stderr, "free %x %d\n", (int)fatso, nbytes); +#endif /* LOUD */ +#ifdef DEBUGMEM + totalmem -= nbytes; +#endif + free(fatso); +} + +#ifdef DEBUGMEM +#include <stdio.h> + +void glob_foo(void *dummy, t_symbol *s, int argc, t_atom *argv) +{ + fprintf(stderr, "total mem %d\n", totalmem); +} +#endif |