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#include <limits.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include "dietfeatures.h"
char* realpath(const char *path, char *resolved_path) {
int fd=open(".",O_RDONLY);
char* tmp=(char*)"";
if (fd<0) return 0;
if (chdir(path)) {
if (errno==ENOTDIR) {
char* match;
if ((match=strrchr(path,'/'))) {
tmp=match;
memmove(resolved_path,path,tmp-path);
resolved_path[tmp-path]=0;
if (chdir(resolved_path)) { resolved_path=0; goto abort; }
}
} else {
resolved_path=0; goto abort;
}
}
if (!getcwd(resolved_path,PATH_MAX)) { resolved_path=0; goto abort; }
strcat(resolved_path,tmp);
abort:
fchdir(fd);
close(fd);
return resolved_path;
}
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