mirror of
https://github.com/neovim/neovim.git
synced 2025-09-07 11:58:17 +00:00
4e29a820b6
* Add const. * Fix conditions (move && from end to start of line). * Use int32_t instead of long. * Use //-style comments.
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
// env.c -- environment variable access
|
|
|
|
#include <uv.h>
|
|
|
|
#include "os/os.h"
|
|
#include "misc2.h"
|
|
|
|
#ifdef HAVE_CRT_EXTERNS_H
|
|
#include <crt_externs.h>
|
|
#endif
|
|
|
|
const char *os_getenv(const char *name)
|
|
{
|
|
return getenv(name);
|
|
}
|
|
|
|
int os_setenv(const char *name, const char *value, int overwrite)
|
|
{
|
|
return setenv(name, value, overwrite);
|
|
}
|
|
|
|
char *os_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
|
|
}
|
|
|