diff options
Diffstat (limited to 'arclib/string.c')
| -rw-r--r-- | arclib/string.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arclib/string.c b/arclib/string.c index 6ff3cfb..1c424c0 100644 --- a/arclib/string.c +++ b/arclib/string.c @@ -2,11 +2,21 @@ * Copyright 1999, 2001 Silicon Graphics, Inc. * Copyright 2001 Ralf Baechle * 2001 Guido Guenther <agx@sgixcpu.org> + * 2008 Florian Lohoff <flo@rfc822.org> */ #include "string.h" - #include "stdlib.h" +char *strcat(char *d, char *s) { + char *a; + + for(a=d;*a;a++); + for(;*s;*a++=*s++); + *a=0x0; + + return d; +} + size_t strlen(const char *s) { size_t len = 0; @@ -110,6 +120,21 @@ void *memcpy(void *s1, const void *s2, size_t n) return s1; } +void *memmove(void *s1, const void *s2, size_t n) +{ + char *c1 = (char *) s1; + const char *c2 = (const char *) s2; + + if (s1 < s2) + return memcpy(s1, s2, n); + + c1+=n; + c2+=n; + + while (n-- > 0) + *(--c1) = *(--c2); + return s1; +} void *memset(void *s, int c, size_t n) { |