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/*! \file pseudotalloc.c
* overly simplistic talloc replacement for deeply embedded
* microcontrollers. Obviously this has none of the properties of real
* talloc, it is particualrly not hierarchical at all. */
#include "talloc.h"
#include <string.h>
#include <stdio.h>
void *_talloc_zero(const void *ctx, size_t size, const char *name)
{
void *p = pseudotalloc_malloc(size);
if (!p)
return NULL;
memset(p, 0, size);
return p;
}
int _talloc_free(void *ptr, const char *location)
{
pseudotalloc_free(ptr);
return 0;
}
void *talloc_named_const(const void *context, size_t size, const char *name)
{
return pseudotalloc_malloc(size);
}
void talloc_set_name_const(const void *ptr, const char *name)
{
}
char *talloc_strdup(const void *context, const char *p)
{
char *ptr;
size_t len;
if (!p)
return NULL;
len = strlen(p);
ptr = talloc_size(context, len+1);
if (!ptr)
return NULL;
memcpy(ptr, p, len+1);
return ptr;
}
void *talloc_pool(const void *context, size_t size)
{
return (void *) context;
}
void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name)
{
return talloc_size(ctx, el_size * count);
}
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name)
{
return talloc_zero_size(ctx, el_size * count);
}
char *talloc_asprintf(const void *ctx, const char *fmt, ...)
{
char *buf;
size_t len = 128;
va_list args;
va_start(args, fmt);
buf = talloc_size(ctx, len);
if (len < vsnprintf(buf, len, fmt, args))
strcpy(&buf[len-6], "[...]");
va_end(args);
return buf;
}
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