Fix SET PATH=xxx in CONFIG.SYS

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1053 6ac86273-5f31-0410-b378-82cca8765d1b

docs/history.txt

@@ -311,7 +311,7 @@
         * break.c: check_handle_break() return was undefined if no Ctrl-break
         * config.sys: all commands removed as they were close to defaults
         * contrib.txt: added Aitor Santamaria, Bernd Blaauw and Eduardo Casino
-        * country.asm / country.sys support now replaces hard-coded data
+        * country.asm / config.c: COUNTRY.SYS now replaces hard-coded data
         * 11 countries added to country.asm: GR,RO,AT,MA,SG,KR,CN,TR,IN,M.E,IL
         * dosnames.c: macro to function conversion, optimisation and clean-up
         * dyninit.c: excluded unused DynFree(), "what" passed only on DEBUG
@@ -336,6 +336,7 @@
           - InitializeAllBPBs() kludge removed (no longer needed - verified)
           - revision sequence now initialised along with DOS version in LoL
           - CheckContinueBootFromHardDisk() function code and text cleaned up
+          - "PATH=." now static in config.c ->SET PATH=xxx in CONFIG.SYS works
         * makefile: object files reordered to gain ~300B packed size
         * newstuff.c, fatdir.c, blockio.c, chario.c, prf.c: cleanup & optimise
         * portab.h: pragma aux default to gain ~800B unpacked size (Watcom)

kernel/config.c

@@ -2110,8 +2110,13 @@ VOID DoInstall(void)
 
 /* master_env copied over command line area in
    DOS_PSP, thus its size limited to 128 bytes */
-static char master_env[128] BSS_INIT({0});
-static PStr envp = master_env;
+static char master_env[128] = "PATH=.";
+
+  /* !!! dirty hack: because bug in old FreeCOM, which wrongly
+     process empty environment in MS-DOS style, garbage empty
+     environment by dummy variable: --avb
+  */
+static PStr envp = master_env + 7; /* sizeof("PATH=.") + 1 zero */
 
 /* Format: SET var = string */
 STATIC void CmdSet(PCStr p)

kernel/main.c

@@ -175,12 +175,6 @@ STATIC void PSPInit(void)
   /* this area reused for master environment			*/
   /*p->ps_cmd.ctCount = 0;*/	/* local command line		*/
   /*p->ps_cmd.ctBuffer[0] = '\r';*/ /* command tail		*/
-
-  /* !!! dirty hack: because bug in old FreeCOM, which wrongly
-     process empty environment in MS-DOS style, garbage empty
-     environment by dummy variable: --avb
-  */
-  fmemcpy(&p->ps_cmd, "PATH=.", 6/*strlen("PATH=.")*/);
 }
 
 #ifndef __WATCOMC__