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194878fbac
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16797 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
//===-- memory.c - String functions for the LLVM libc Library ----*- C -*-===//
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//
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// A lot of this code is ripped gratuitously from glibc and libiberty.
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//
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//===---------------------------------------------------------------------===//
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#include <stdlib.h>
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// If we're not being compiled with GCC, turn off attributes. Question is how
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// to handle overriding of memory allocation functions in that case.
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#ifndef __GNUC__
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#define __attribute__(X)
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#endif
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// For now, turn off the weak linkage attribute on Mac OS X.
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#if defined(__GNUC__) && defined(__APPLE_CC__)
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#define __ATTRIBUTE_WEAK__
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#elif defined(__GNUC__)
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#define __ATTRIBUTE_WEAK__ __attribute__((weak))
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#else
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#define __ATTRIBUTE_WEAK__
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#endif
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void *malloc(size_t) __ATTRIBUTE_WEAK__;
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void free(void *) __ATTRIBUTE_WEAK__;
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void *memset(void *, int, size_t) __ATTRIBUTE_WEAK__;
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void *calloc(size_t nelem, size_t elsize) __ATTRIBUTE_WEAK__;
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void *calloc(size_t nelem, size_t elsize) {
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void *Result = malloc(nelem*elsize);
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if (Result) memset(Result, 0, nelem*elsize);
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return Result;
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}
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