compat: add mempcpy()
The mempcpy() function was added in glibc 2.1. It is quite handy, so add an implementation for cross-platform use. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jonathan Nieder committed
Mar 20, 2010 at 19:43 UTC
137c6eaa885a421346f0a5abbc3cc4903671fbeb
1 file changed
+9
git-compat-util.h
+9
@@ -331,6 +331,7 @@ extern int git_vsnprintf(char *str, size_t maxsize,
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#ifdef __GLIBC_PREREQ
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#if __GLIBC_PREREQ(2, 1)
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#define HAVE_STRCHRNUL
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+#define HAVE_MEMPCPY
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#endif
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#endif
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@@ -344,6 +345,14 @@ static inline char *gitstrchrnul(const char *s, int c)
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}
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#endif
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+#ifndef HAVE_MEMPCPY
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+#define mempcpy gitmempcpy
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+static inline void *gitmempcpy(void *dest, const void *src, size_t n)
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+{
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+ return (char *)memcpy(dest, src, n) + n;
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+}
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+#endif
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+
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extern void release_pack_memory(size_t, int);
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extern char *xstrdup(const char *str);