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69197e7e5e
libiberty: * configure.in (ac_libiberty_warn_cflags): Add -pedantic. * choose-temp.c (try, choose_temp_base, make_temp_file): Constify. * cp-demangle.c (demangle_char): Change parameter from char to int. (demangle_expression, demangle_expr_primary): Remove extra semi-colon in prototype. * dyn-string.c (dyn_string_append_char): Change parameter from char to int. * memcmp.c (memcmp): Constify. * mkstemps.c (gcc_uint64_t): Mark GNUC `long long' case with __extension__. * partition.c (elem_compare): Prototype. Don't cast away const-ness. * setenv.c (setenv): Use braces to avoid ambiguous `else'. include: * demangle.h (demangling_styles): Remove trailing comma in enum. * dyn-string.h (dyn_string_append_char): Change parameter from char to int. From-SVN: r34447
39 lines
811 B
C
39 lines
811 B
C
/* memcmp -- compare two memory regions.
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This function is in the public domain. */
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/*
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NAME
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memcmp -- compare two memory regions
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SYNOPSIS
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int memcmp (const void *from, const void *to, size_t count)
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DESCRIPTION
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Compare two memory regions and return less than,
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equal to, or greater than zero, according to lexicographical
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ordering of the compared regions.
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*/
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#include <ansidecl.h>
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#ifdef __STDC__
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#include <stddef.h>
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#else
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#define size_t unsigned long
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#endif
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int
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DEFUN(memcmp, (str1, str2, count),
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const PTR str1 AND const PTR str2 AND size_t count)
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{
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register const unsigned char *s1 = (const unsigned char*)str1;
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register const unsigned char *s2 = (const unsigned char*)str2;
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while (count-- > 0)
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{
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if (*s1++ != *s2++)
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return s1[-1] < s2[-1] ? -1 : 1;
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}
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return 0;
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}
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