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/*
* libtu/prefix.c
*
* Copyright (c) Tuomo Valkonen 1999-2007.
*
* You may distribute and modify this library under the terms of either
* the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
*/
#include <string.h>
#include "misc.h"
#include "locale.h"
#include "output.h"
static char *the_prefix=NULL;
void prefix_set(const char *binloc, const char *dflt)
{
int i=strlen(binloc);
int j=strlen(dflt);
if(binloc[0]!='/')
die(TR("This relocatable binary should be started with an absolute path."));
while(i>0 && j>0){
if(binloc[i-1]!=dflt[j-1])
break;
i--;
j--;
}
the_prefix=scopyn(binloc, i);
}
char *prefix_add(const char *s)
{
if(the_prefix==NULL)
return scopy(s);
else
return scat3(the_prefix, "/", s);
}
bool prefix_wrap_simple(bool (*fn)(const char *s), const char *s)
{
bool ret=FALSE;
if(the_prefix==NULL){
ret=fn(s);
}else{
char *s2=prefix_add(s);
if(s2!=NULL){
ret=fn(s2);
free(s2);
}
}
return ret;
}
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