- use mmap instead of read/write

- add env command
- add parsing of startup file

1 files changed, 28 insertions, 6 deletions

diff --git a/memedit.c b/memedit.c
index 5165f7d..ed797b4 100644
--- a/memedit.c
+++ b/memedit.c
@@ -8,6 +8,9 @@
 #include <unistd.h>
 #include <string.h>
 #include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 
 extern int errno;
 extern int yyparse();
@@ -17,7 +20,9 @@ extern int yyparse();
     
 int debug = 0;
 FILE *rl_instream;
-FILE *fhan = NULL;
+int fd = -1;
+
+void *mem = NULL;
 
 int main (int argc, char *argv[])
 {
@@ -26,7 +31,7 @@ int main (int argc, char *argv[])
 	kom_arg = Cmdline (argc, argv);
 
 	printf("\nmemedit - quick change of memory content\n");
-	printf("Copyright (C) 2004 by Pengutronix\n");
+	printf("Copyright (C) 2004, 2005 by Pengutronix\n");
 	printf("Please enter 'help' for a list of commands. \n\n");
 	
 	if (kom_arg->v)
@@ -36,12 +41,29 @@ int main (int argc, char *argv[])
 	}
 	
 	debug = kom_arg->V; 
-	
+
+	if (kom_arg->s)
+	{
+		rl_instream = fopen(kom_arg->s,"r");
+		if(rl_instream) {
+			printf("parsing %s\n",kom_arg->s);
+			yyparse ();
+		} else {
+			printf ("opening \"%s\" failed\n%s\n", 
+				   kom_arg->s, strerror(errno));
+		}
+	}
+
 	if (kom_arg->optind) 
 	{
-		fhan = fopen(argv[kom_arg->optind], "r+");
-		if (!fhan) printf ("opening \"%s\" failed\n%s\n", 
-				   argv[kom_arg->optind], strerror(errno));
+		if(fd > 0) {
+			printf("file already opened - ignoring command line\n");
+		} else {
+			fd = open(argv[kom_arg->optind], O_RDWR | O_SYNC);
+			if (fd<0)
+				printf ("opening \"%s\" failed\n%s\n", 
+					   argv[kom_arg->optind], strerror(errno));
+		}
 	}
 
 	rl_instream = stdin;