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-rw-r--r--case.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/case.c b/case.c
deleted file mode 100644
index 47eb8ed..0000000
--- a/case.c
+++ /dev/null
@@ -1,134 +0,0 @@
-#include "case.h"
-#include "str.h"
-
-/**
- @file case.c
- @author djb
- @brief string comparison and helper functions; case insensitive
-*/
-
-int case_diffb(register char *s,unsigned int len,register char *t)
-{
- register unsigned char x;
- register unsigned char y;
-
- while (len > 0) {
- --len;
- x = *s++ - 'A';
- if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
- y = *t++ - 'A';
- if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
- if (x != y)
- return ((int)(unsigned int) x) - ((int)(unsigned int) y);
- }
- return 0;
-}
-
-int case_diffs(register char *s,register char *t)
-{
- register unsigned char x;
- register unsigned char y;
-
- for (;;) {
- x = *s++ - 'A';
- if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
- y = *t++ - 'A';
- if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
- if (x != y) break;
- if (!x) break;
- }
- return ((int)(unsigned int) x) - ((int)(unsigned int) y);
-}
-
-int case_diffrs(register char *s,register char *t)
-{
- register unsigned char x = 0;
- register unsigned char y = 0;
- unsigned int lens = str_len(s);
- unsigned int lent = str_len(t);
-
- while (lens > 0 && lent > 0) {
- x = s[--lens] - 'A';
- if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
- y = t[--lent] - 'A';
- if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
- if (x != y) break;
- if (!x) break;
- if (!y) break;
- }
- return ((int)(unsigned int) x) - ((int)(unsigned int) y);
-}
-
-void case_lowerb(char *s,unsigned int len)
-{
- unsigned char x;
- while (len > 0) {
- --len;
- x = *s - 'A';
- if (x <= 'Z' - 'A') *s = x + 'a';
- ++s;
- }
-}
-
-void case_lowers(char *s)
-{
- unsigned char x;
- while ((x = *s)) {
- x -= 'A';
- if (x <= 'Z' - 'A') *s = x + 'a';
- ++s;
- }
-}
-
-void case_upperb(char *s,unsigned int len)
-{
- unsigned char x;
- while (len > 0) {
- --len;
- x = *s - 'a';
- if (x <= 'z' - 'a') *s = x + 'A';
- ++s;
- }
-}
-
-void case_uppers(char *s)
-{
- unsigned char x;
- while ((x = *s)) {
- x -= 'a';
- if (x <= 'z' - 'a') *s = x + 'A';
- ++s;
- }
-}
-
-int case_startb(register char *s,unsigned int len,register char *t)
-{
- register unsigned char x;
- register unsigned char y;
-
- for (;;) {
- y = *t++ - 'A';
- if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
- if (!y) return 1;
- if (!len) return 0;
- --len;
- x = *s++ - 'A';
- if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
- if (x != y) return 0;
- }
-}
-
-int case_starts(register char *s,register char *t)
-{
- register unsigned char x;
- register unsigned char y;
-
- for (;;) {
- x = *s++ - 'A';
- if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
- y = *t++ - 'A';
- if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
- if (!y) return 1;
- if (x != y) return 0;
- }
-}