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/* vi:set ts=2 sts=2 sw=2:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* env.c -- environment variable access
*/
#include <uv.h>
#include "os.h"
#include "../misc2.h"
#ifdef HAVE_CRT_EXTERNS_H
#include <crt_externs.h>
#endif
const char *mch_getenv(const char *name)
{
return getenv(name);
}
int mch_setenv(const char *name, const char *value, int overwrite)
{
return setenv(name, value, overwrite);
}
char *mch_getenvname_at_index(size_t index)
{
# if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
/*
* No environ[] on the Amiga and on the Mac (using MPW).
*/
return NULL;
# else
# if defined(HAVE__NSGETENVIRON)
char **environ = *_NSGetEnviron();
# elif !defined(__WIN32__)
/* Borland C++ 5.2 has this in a header file. */
extern char **environ;
# endif
// check if index is inside the environ array
for (size_t i = 0; i < index; i++) {
if (environ[i] == NULL) {
return NULL;
}
}
char *str = environ[index];
if (str == NULL) {
return NULL;
}
int namesize = 0;
while (str[namesize] != '=' && str[namesize] != NUL) {
namesize++;
}
char *name = (char *)vim_strnsave((char_u *)str, namesize);
return name;
# endif
}
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