diff options
| -rw-r--r-- | sys/src/cmd/cc/compat.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/sys/src/cmd/cc/compat.c b/sys/src/cmd/cc/compat.c index 0a7b1fea8..c76ab9968 100644 --- a/sys/src/cmd/cc/compat.c +++ b/sys/src/cmd/cc/compat.c @@ -17,11 +17,21 @@ calloc(ulong m, ulong n) } void* -realloc(void*, ulong) +realloc(void *o, ulong n) { - fprint(2, "realloc called\n"); - abort(); - return 0; + ulong m; + void *a; + + if(n == 0) + return nil; + if(o == nil) + return alloc(n); + a = alloc(n); + m = (char*)a - (char*)o; + if(m < n) + n = m; + memmove(a, o, n); + return a; } void @@ -45,3 +55,8 @@ void setmalloctag(void*, uintptr) { } + +void +setrealloctag(void*, uintptr) +{ +} |