divorce
b735900f2e
ddat interop with dat js cable interop with cabal js ddat's frontend = dat-thang cable fe = cable-thang dillo support based on cel's dillo-dat bootstrap node xplatform support Signed-off-by: divo <418@cryspace.space>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef DAT_PATHS_H
|
|
#define DAT_PATHS_H
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
/* Return the user's home directory across POSIX shells and native Windows
|
|
* launches. Windows GUI starts commonly have USERPROFILE but no HOME. */
|
|
static inline const char *dat_home_directory(void)
|
|
{
|
|
const char *home = getenv("HOME");
|
|
if (home && *home) return home;
|
|
#ifdef _WIN32
|
|
home = getenv("USERPROFILE");
|
|
if (home && *home) return home;
|
|
{
|
|
const char *drive = getenv("HOMEDRIVE");
|
|
const char *path = getenv("HOMEPATH");
|
|
static char combined[1024];
|
|
int n;
|
|
if (!drive || !*drive || !path || !*path) return NULL;
|
|
n = snprintf(combined, sizeof(combined), "%s%s", drive, path);
|
|
return n >= 0 && (size_t)n < sizeof(combined) ? combined : NULL;
|
|
}
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
/* POSIX rename replaces an existing file; Windows rename does not. These
|
|
* state files are written to a sibling temporary file before replacement. */
|
|
static inline int dat_replace_file(const char *temporary, const char *destination)
|
|
{
|
|
#ifdef _WIN32
|
|
if (MoveFileExA(temporary, destination,
|
|
MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH)) return 0;
|
|
errno = EIO;
|
|
return -1;
|
|
#else
|
|
return rename(temporary, destination);
|
|
#endif
|
|
}
|
|
|
|
#endif
|