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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2007-01-22 09:56:32 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2007-01-22 09:56:32 (GMT) |
| commit | f8ee7e801e06b6101e6e1180a0b7a88b7db47843 (patch) | |
| tree | c435470ac8667e76f680ae55177b80fdb6db96b1 /compat/memcmp.c | |
| parent | 690f5c8195ae88f99ecac399e39ab6f2b3c0465b (diff) | |
| download | tcl-f8ee7e801e06b6101e6e1180a0b7a88b7db47843.zip tcl-f8ee7e801e06b6101e6e1180a0b7a88b7db47843.tar.gz tcl-f8ee7e801e06b6101e6e1180a0b7a88b7db47843.tar.bz2 | |
Fix [Bug 1631017]
Diffstat (limited to 'compat/memcmp.c')
| -rw-r--r-- | compat/memcmp.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/compat/memcmp.c b/compat/memcmp.c index 09a5724..dd4cacc 100644 --- a/compat/memcmp.c +++ b/compat/memcmp.c @@ -48,11 +48,12 @@ memcmp(s1, s2, n) CONST VOID *s2; /* Second string. */ size_t n; /* Length to compare. */ { - unsigned char u1, u2; + VOID unsigned char *ptr1 = (VOID unsigned char *) s1; + VOID unsigned char *ptr2 = (VOID unsigned char *) s2; + + for ( ; n-- ; ptr1++, ptr2++) { + unsigned char u1 = *s1, u2 = *s2; - for ( ; n-- ; s1++, s2++) { - u1 = * (unsigned char *) s1; - u2 = * (unsigned char *) s2; if ( u1 != u2) { return (u1-u2); } |