Mercurial > projects > ldc
view dmd2/mem.c @ 814:05f2651caa6c
Added error when invoking gcc fails
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 01 Dec 2008 15:18:22 +0100 |
parents | f04dde6e882c |
children | 638d16625da2 |
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/* Copyright (c) 2000 Digital Mars */ /* All Rights Reserved */ #include <cstdio> #include <cstdlib> #include <cstring> #include <cassert> #include "mem.h" #if USE_BOEHM_GC // I needed to perfix the dir after upgrading to gc 7.0 #include "gc/gc.h" #endif /* This implementation of the storage allocator uses the standard C allocation package. */ Mem mem; #if USE_BOEHM_GC static bool gc_was_init = false; void Mem::init() { GC_init(); gc_was_init = true; } char *Mem::strdup(const char *s) { char *p; if (s) { p = GC_strdup(s); if (p) return p; error(); } return NULL; } void *Mem::malloc(size_t size) { void *p; if (!size) p = NULL; else { p = GC_malloc(size); if (!p) error(); } return p; } void *Mem::calloc(size_t size, size_t n) { void *p; if (!size || !n) p = NULL; else { p = GC_malloc(size * n); if (!p) error(); memset(p, 0, size * n); } return p; } void *Mem::realloc(void *p, size_t size) { if (!size) { if (p) { GC_free(p); p = NULL; } } else if (!p) { p = GC_malloc(size); if (!p) error(); } else { p = GC_realloc(p, size); if (!p) error(); } return p; } void Mem::free(void *p) { if (p) GC_free(p); } void *Mem::mallocdup(void *o, size_t size) { void *p; if (!size) p = NULL; else { p = GC_malloc(size); if (!p) error(); else memcpy(p,o,size); } return p; } void Mem::error() { printf("Error: out of memory\n"); exit(EXIT_FAILURE); } void Mem::fullcollect() { GC_gcollect(); } void Mem::mark(void *pointer) { (void) pointer; // necessary for VC /W4 } /* =================================================== */ void * operator new(size_t m_size) { // without this we segfault with gc 7.0 if (!gc_was_init) { mem.init(); } void *p = GC_malloc(m_size); if (p) return p; printf("Error: out of memory\n"); exit(EXIT_FAILURE); return p; } void operator delete(void *p) { GC_free(p); } #elif !USE_BOEHM_GC void Mem::init() { } char *Mem::strdup(const char *s) { char *p; if (s) { p = ::strdup(s); if (p) return p; error(); } return NULL; } void *Mem::malloc(size_t size) { void *p; if (!size) p = NULL; else { p = ::malloc(size); if (!p) error(); } return p; } void *Mem::calloc(size_t size, size_t n) { void *p; if (!size || !n) p = NULL; else { p = ::malloc(size * n); if (!p) error(); memset(p, 0, size * n); } return p; } void *Mem::realloc(void *p, size_t size) { if (!size) { if (p) { ::free(p); p = NULL; } } else if (!p) { p = ::malloc(size); if (!p) error(); } else { p = ::realloc(p, size); if (!p) error(); } return p; } void Mem::free(void *p) { if (p) ::free(p); } void *Mem::mallocdup(void *o, size_t size) { void *p; if (!size) p = NULL; else { p = ::malloc(size); if (!p) error(); else memcpy(p,o,size); } return p; } void Mem::error() { printf("Error: out of memory\n"); exit(EXIT_FAILURE); } void Mem::fullcollect() { } void Mem::mark(void *pointer) { } #endif // USE_BOEHM_GC