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cc98a5e2fd
* lib/malloca.h (nmalloca): * lib/xmalloca.h (xnmalloca): Convert S to ptrdiff_t to avoid arithmetic overflow if N and S are both narrower than ptrdiff_t. * lib/xalloc-oversized.h (xalloc_oversized): Don’t say that args must be ptrdiff_t or size_t or wider. The macro returns the correct answer even when that is not the case, and it’s the caller’s responsibility to avoid howlers like (xalloc_oversized (n, s) ? NULL : malloc (n * s)) when N and S are both narrower than ptrdiff_t and size_t. Add a comment to that effect. * lib/xmalloca.h: Include xalloc-oversized.h, since this file uses xalloc_oversized. Add comments about side effects and avoid unnecessary parens. * modules/xmalloca (Depends-on): Add xalloc-oversized.
26 lines
267 B
Plaintext
26 lines
267 B
Plaintext
Description:
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Safe automatic memory allocation with out of memory checking.
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Files:
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lib/xmalloca.h
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lib/xmalloca.c
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Depends-on:
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malloca
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xalloc
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xalloc-oversized
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configure.ac:
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Makefile.am:
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lib_SOURCES += xmalloca.c
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Include:
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"xmalloca.h"
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License:
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GPL
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Maintainer:
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all
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