WebSVN – SvarDOS – Path Comparison – /

Ignore whitespace Rev 370 → Rev 371

 /svarcom/cmd/prompt.c
 ,0 → 1,36
+/*
+ * prompt
+ *
+ * Changes the DOS command prompt.
+ *
+ */
+static int cmd_prompt(const struct cmd_funcparam *p) {
+  if ((p->argc == 1) && (imatch(p->argv[0], "/?"))) {
+    output("Changes the DOS command prompt.\r\n"
+           "\r\n"
+           "PROMPT [new command prompt specification]\r\n"
+           "\r\n");
+    return(-1);
+  }
+  /* no parameter - restore default prompt path */
+  if (p->argc == 0) {
+    env_dropvar(p->env_seg, "PROMPT");
+    return(-1);
+  }
+  /* otherwise set PROMPT to whatever is passed on command-line */
+  {
+    char buff[256] = "PROMPT=";
+    unsigned short i;
+    for (i = 0;; i++) {
+      buff[i + 7] = p->cmdline[p->argoffset + i];
+      if (buff[i + 7] == '\r') break;
+    }
+    buff[i + 7] = 0;
+    env_setvar(p->env_seg, buff);
+  }
+  return(-1);
+}

/svarcom/cmd/set.c
5,7 → 5,6
* varname can also contain spaces
*/

#include "env.h"

static int cmd_set(const struct cmd_funcparam *p) {
char far *env = MK_FP(p->env_seg, 0);

 /svarcom/cmd.c
 ,18 → 8,21
 #include <stdlib.h>
 #include "doserr.h"
+#include "env.h"
 #include "helpers.h"
 struct cmd_funcparam {
-  int argc;
-  const char *argv[256];
-  unsigned short env_seg;
-  const char far *cmdline;
+  int argc;                 /* number of arguments */
+  const char *argv[256];    /* pointers to each argument */
+  unsigned short env_seg;   /* segment of environment block */
+  unsigned short argoffset; /* offset of cmdline where first argument starts */
+  const char far *cmdline;  /* original cmdline (terminated by \r) */
 };
 #include "cmd/cd.c"
 #include "cmd/dir.c"
 #include "cmd/exit.c"
+#include "cmd/prompt.c"
 #include "cmd/set.c"
 #include "cmd.h"
 ,6 → 38,7
   {"CHDIR",   cmd_cd},
   {"DIR",     cmd_dir},
   {"EXIT",    cmd_exit},
+  {"PROMPT",  cmd_prompt},
   {"SET",     cmd_set},
   {NULL,      NULL}
 };
 ,6 → 146,7
   /* prepare function parameters and feed it to the cmd handling function */
   p.argc = cmd_explode(cmdbuff, cmdline + argoffset, p.argv);
   p.env_seg = env_seg;
+  p.argoffset = argoffset;
   p.cmdline = cmdline;
   return((cmdptr->func_ptr)(&p));