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Follow alphabetical order more closely, now ISO8859-1 characters

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sorted properly too.
This commit is contained in:
Andrey A. Chernov 1996-06-09 18:55:57 +00:00
parent 1ffa43c082
commit 9cca9761a6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=16261
1 changed files with 14 additions and 1 deletions
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15
gnu/usr.bin/sort/sort.c
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@ -201,12 +201,25 @@ colldiff (unsigned char A, unsigned char B)
{ {
static unsigned char s1[2], s2[2]; static unsigned char s1[2], s2[2];
if (isascii(A) || isascii(B) || !isalpha(A) || !isalpha(B)) if (A == B)
return (0);
if (isascii(A) && isascii(B) || !isalpha(A) && !isalpha(B))
return ((int)A - (int)B); return ((int)A - (int)B);
if (isupper(A) && islower(B)) if (isupper(A) && islower(B))
return (-1); return (-1);
else if (islower(A) && isupper(B)) else if (islower(A) && isupper(B))
return (1); return (1);
if (isalpha(A) && !isalpha(B)) {
if (isupper(A))
return ('A' - (int)B);
else
return ('a' - (int)B);
} else if (isalpha(B) && !isalpha(A)) {
if (isupper(B))
return ((int)A - 'A');
else
return ((int)A - 'a');
}
s1[0] = A; s1[0] = A;
s2[0] = B; s2[0] = B;
return strcoll(s1, s2); return strcoll(s1, s2);