WIP jpctb wrapper

[jarrg-owen.git] / libjava-wrap

diff --git a/libjava-wrap b/libjava-wrap
deleted file mode 100644 (file)
index 9b904ed..0000000
--- a/libjava-wrap
+++ /dev/null
@@ -1,119 +0,0 @@
-/**/
-
-#define _GNU_SOURCE
-#include <dlfcn.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#define STDERRSTR_CONST(m) write(2,m,sizeof(m)-1)
-#define STDERRSTR_STRING(m) write(2,m,strlen(m))
-
-static anyfn_type *find_any(const char *name) {
-  static const char *dlerr;
-  anyfn_type *kv;
-
-  kv= dlsym(RTLD_NEXT,name); if (kv) return kv;
-  dlerr= dlerror(); if (!dlerr) dlerr= "dlsym() failed for no reason";
-  STDERRSTR_CONST("pctb-preload-wrap: error finding original version of ");
-  STDERRSTR_STRING(name);
-  STDERRSTR_CONST(": ");
-  STDERRSTR_STRING(dlerr);
-  STDERRSTR_STRING("\n");
-  errno= ENOSYS;
-  return 0;
-}
-
-typedef int
-execvefn_type(const char *path, char *const argv[], char *const envp[]);
-
-static execvefn_type find_execve, *old_execve= find_execve;
-
-static int find_execve(const char *path,
-                      char *const argv[], char *const envp[]) {
-  anyfn_type *anyfn;
-  anyfn= find_any("execve"); if (!anyfn) return -1;
-  old_execve= (execvefn_type*)anyfn;
-  return old_execve(path, argv, envp);
-}
-
-static const char javatail[]= "/bin/java";
-
-int execve(const char *path, char *const argv[], char *const envp[]) {
-  int pathlen= strlen(path);
-  if (pathlen < (sizeof(path2extdir_rm)-1) ||
-      strcmp(javatail, path + pathlen-(sizeof(path2extdir_rm)-1)))
-    old_execve(opath, oargv, oenvp);
-  
-
-  
-
-  int oargc;
-
-
-
-  xassert(opathlen >= 
-  
-
-  for (oargc=0; oargv[oargc]; oargc++);
-  xassert(oargc);
-  if (strcmp(oargv[oargc-1], "com.threerings.yohoho.client.YoApp"))
-
-  /* Remove ourselves from LD_PRELOAD */
-  int ipreloadenv=-1;
-  const char ldpreload[]= "LD_PRELOAD=";
-  for (oenvc=0; oenvp[oenvc]; oenvc++) {
-    if (memcmp(oenvp[oenvc], ldpreload, sizeof(ldpreload)-1)) continue;
-    xassert(ipreloadenv==-1);
-    ipreloadenv= oenvc;
-  }
-  xassert(ipreloadenv>=0);
-  xassert(!strchr(':',oenvp[ipreloadenv]));
-  
-
-  int nargc= oargc+2;
-  char **nargv= xmalloc(sizeof(*nargv) * (nargc+1));
-
-  /* Add argument for accessibility assistive tech. */
-  int iargc= oargc-1;
-  memcpy(nargv, oargv, iargc);
-  nargv[iargc++]= "-Djavax.accessibility.assistive_technologies="
-    "com.tedpearson.ypp.market.MarketUploader";
-
-  /* Calculate and add argument for ext dirs containing our jars */
-  const char *nextdir;
-  xassert((nextdir= getenv("JPCTB_EXTDIR")));
-  int nextdirlen= strlen(nextdir);
-
-  int njvmextdirbaselen= opathlen-sizeof(path2extdir_rm)-1);
-  xassert(!strcmp(path2extdir_rm, opath+njvmextdirbaselen);
-
-  const char path2extdir_pfx[]= "-Djava.ext.dirs=";
-  const char path2extdir_sfx[]= "/lib/ext";
-
-#define STRS(STR,DL)                                           \
-      STR( path2extdir_pfx, sizeof(path2extdir_pfx)-1 )        DL      \
-      STR( nextdir,         nextdirlen                )        DL      \
-      STR( ":",             1                         )        DL      \
-      STR( opath,           njvmextdirbaselen         )        DL      \
-      STR( path2extdir_sfx, sizeof(path2extdir_sfx)-1 )        DL      \
-      STR( "",              1                         )
-
-#define STR_LEN(str,len) (len)
-  char *nextdirarg= xmalloc(STRS(STR_LEN, +));
-  char *p= nextdirarg;
-
-#define STR_ADD(str,len) \
-  memcpy(p,(str),(len)); p += (len);
-  STRS(STR_ADD, ;);
-
-  nargv[iargc++]= nextdirarg;
-
-  /* Remaining argument: the class */
-  nargv[iargc++]= oargv[oargc-1];
-
- 
-
-
-
-    if (arg
-}