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view R/rdc/demo/malloc.R @ 61:c5a69c454963

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- allow use of 'None' with 'Z' - bumped version to 1.4 (be in sync current dyncall version)
author Tassilo Philipp
date Mon, 03 Apr 2023 19:06:07 +0200
parents 0cfcc391201f
children
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# File: rdc/demo/malloc.R
# Description: sample demo to get malloc/free functions
 
if( .Platform$OS.type == "windows" ) {
 .windir <- paste(Sys.getenv("windir")[[1]],"\\system32\\",sep="")
 .libC <- paste(.windir,"msvcrt",sep="")
} else {
  sysname <- Sys.info()[["sysname"]]
  if (sysname == "Darwin")
  {
  .libC <- "/usr/lib/libc.dylib"
  } else { 
  .libC <- "/lib/libc.so.6"
  }
}

dyn.load(.libC)

bind <- function(name, signature)
{
 address <- getNativeSymbolInfo(name)$address
 assign(name, function(...) rdcCall(address,signature,...), parent.frame() )
}
 
bind("malloc","i)p")
bind("free","p)v")