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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libiberty/] [strncmp.c] - Blame information for rev 294

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Line No. Rev Author Line
1 274 jeremybenn
/* strncmp -- compare two strings, stop after n bytes.
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   This function is in the public domain.  */
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/*
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@deftypefn Supplemental int strncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n})
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Compares the first @var{n} bytes of two strings, returning a value as
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@code{strcmp}.
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@end deftypefn
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*/
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#include <ansidecl.h>
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#include <stddef.h>
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int
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strncmp(const char *s1, const char *s2, register size_t n)
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{
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  register unsigned char u1, u2;
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  while (n-- > 0)
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    {
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      u1 = (unsigned char) *s1++;
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      u2 = (unsigned char) *s2++;
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      if (u1 != u2)
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        return u1 - u2;
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      if (u1 == '\0')
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        return 0;
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    }
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  return 0;
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}

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