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Diffstat (limited to 'newlib/libc/string/swab.c')
-rw-r--r-- | newlib/libc/string/swab.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/newlib/libc/string/swab.c b/newlib/libc/string/swab.c deleted file mode 100644 index 98daf5a..0000000 --- a/newlib/libc/string/swab.c +++ /dev/null @@ -1,44 +0,0 @@ -/* -FUNCTION - <<swab>>---swap adjacent bytes - -ANSI_SYNOPSIS - #include <string.h> - void swab(const void *<[in]>, void *<[out]>, ssize_t <[n]>); - -TRAD_SYNOPSIS - void swab(<[in]>, <[out]>, <[n]> - void *<[in]>; - void *<[out]>; - ssize_t <[n]>; - -DESCRIPTION - This function copies <[n]> bytes from the memory region - pointed to by <[in]> to the memory region pointed to by - <[out]>, exchanging adjacent even and odd bytes. - -PORTABILITY -<<swab>> requires no supporting OS subroutines. -*/ - -#include <string.h> - -void -_DEFUN (swab, (b1, b2, length), - _CONST void *b1 _AND - void *b2 _AND - ssize_t length) -{ - const char *from = b1; - char *to = b2; - ssize_t ptr; - for (ptr = 1; ptr < length; ptr += 2) - { - char p = from[ptr]; - char q = from[ptr-1]; - to[ptr-1] = p; - to[ptr ] = q; - } - if (ptr == length) /* I.e., if length is odd, */ - to[ptr-1] = 0; /* then pad with a NUL. */ -} |