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#include "alloc.h"
#include <cstdio>
#include <cstdint>
namespace init {
std::uint8_t dlsym_level = 0;
size_t buffer_offset = 0;
char buffer[4096];
void* static_malloc(size_t size) {
if ( buffer_offset + size >= sizeof(buffer) ) {
std::fprintf(stderr, "static allocator out of memory: %lu\n", buffer_offset);
exit(1);
}
buffer_offset += size;
return buffer + buffer_offset;
}
void* static_calloc(size_t block, size_t size) {
void* const mem = static_malloc(block * size);
for ( size_t i = 0; i < (block * size); ++i ) {
*(static_cast<char* const>(mem) + i) = '\0';
}
return mem;
}
bool from_static_buffer(void* ptr) {
return static_cast<char*>(ptr) >= buffer
&& static_cast<char*>(ptr) <= buffer + sizeof(buffer);
}
dlsymContext::dlsymContext() {
++dlsym_level;
}
dlsymContext::~dlsymContext() {
--dlsym_level;
}
bool dlsymContext::is_active() {
return dlsym_level > 0;
}
}
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