X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libiberty%2Fmemcmp.c;h=d8d3997d0661c9ff52f37e53f12c907505f30072;hb=30d304de8b0593a62f7aab770f421f91fbea392a;hp=127ae0c8019d237429add30809d2a4016855e86d;hpb=ed288bb597072176e84fc8279707a3f2f475779b;p=deliverable%2Fbinutils-gdb.git diff --git a/libiberty/memcmp.c b/libiberty/memcmp.c index 127ae0c801..d8d3997d06 100644 --- a/libiberty/memcmp.c +++ b/libiberty/memcmp.c @@ -2,16 +2,17 @@ This function is in the public domain. */ /* -NAME - memcmp -- compare two memory regions -SYNOPSIS - int memcmp (const void *from, const void *to, size_t count) +@deftypefn Supplemental int memcmp (const void *@var{x}, const void *@var{y}, size_t @var{count}) + +Compares the first @var{count} bytes of two areas of memory. Returns +zero if they are the same, a value less than zero if @var{x} is +lexically less than @var{y}, or a value greater than zero if @var{x} +is lexically greater than @var{y}. Note that lexical order is determined +as if comparing unsigned char arrays. + +@end deftypefn -DESCRIPTION - Compare two memory regions and return less than, - equal to, or greater than zero, according to lexicographical - ordering of the compared regions. */ #include @@ -25,8 +26,8 @@ int DEFUN(memcmp, (str1, str2, count), const PTR str1 AND const PTR str2 AND size_t count) { - register unsigned char *s1 = (unsigned char*)str1; - register unsigned char *s2 = (unsigned char*)str2; + register const unsigned char *s1 = (const unsigned char*)str1; + register const unsigned char *s2 = (const unsigned char*)str2; while (count-- > 0) {