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- /* Tiny GCC Library
- * Jörg Höhle, 12-Jun-96
- */
-
- #include <exec/types.h>
- #include <dos/dosextens.h>
- #include <dos/var.h>
-
- #include <proto/dos.h>
-
- #define GETENV_MAX_LENGTH 256 /* won't handle values longer than this */
-
- static char getenv_static_buf[GETENV_MAX_LENGTH];
-
- char *getenv(const char *name)
- {
- LONG len;
- extern struct DosLibrary * const DOSBase;
-
- #ifdef SUPPORT_1_3
- if (DOSBase->dl_lib.lib_Version < 36) return NULL; /* TODO add it for 1.3 */
- #endif
- len = GetVar(name, getenv_static_buf, GETENV_MAX_LENGTH, LV_VAR);
- return (len >= 0 && len == IoErr() /* not truncated */)
- ? getenv_static_buf : NULL;
- }
-