From 544c0e8fdbff6f5e4a33026711a0f847441a8118 Mon Sep 17 00:00:00 2001
From: short <>
Date: Thu, 17 Feb 2000 16:37:09 +0000
Subject: [PATCH] Added "vbtest" for simple library testing, command mode is
 implemented. First compilable version. attribute((weak)) used and required,
 autocheck TODO.

---
 Makefile | 15 ++++++++++----
 vblib.c  | 15 ++++++++++++--
 vblib.h  |  8 ++++++--
 vbtest.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 99 insertions(+), 8 deletions(-)
 create mode 100644 vbtest.c

diff --git a/Makefile b/Makefile
index 2a0c8c8..87cf99a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,17 @@
-CFLAGS=-Wall -Wstrict-prototypes -O2
+CFLAGS=-Wall -Wstrict-prototypes -O2 -ggdb
+TARGETS=vbtest
 
-all: vblib.o
+all: $(TARGETS)
+
+vbtest: vbtest.o vblib.o
+	$(LINK.o) $(OUTPUT_OPTION) $^
+
+vbtest.o: vbtest.c vblib.h
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
 vblib.o: vblib.c vblib.h
-	$(CC) $(CFLAGS) -o $@ $<
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
 .PHONY: clean
 clean:
-	$(RM) *.o
+	$(RM) *.o $(TARGETS)
diff --git a/vblib.c b/vblib.c
index 9bf8ea1..8850dc1 100644
--- a/vblib.c
+++ b/vblib.c
@@ -801,14 +801,21 @@ char *chat_cmdpars[CHAT_CMD_MAXPARS];
 
 static void chatfn_help(void);
 
+void chatfn_quit(void) __WEAK;
+void chatfn_quit(void)
+{
+	VB_LOG(CRIT,"chatfn_quit() not initialized");
+}
+
 static const struct chat_cmdtab  chat_cmdint[]={
 	{"help"    ,0,chatfn_help    ,"This help"},
-#if 0
 	{"quit"    ,0,chatfn_quit    ,"Close connection"},
 	{"exit"    ,0,chatfn_quit    ,"Close connection"},
-#endif
 };
 
+const struct chat_cmdtab chat_cmdtable[] __WEAK =
+	{{NULL,0,NULL,NULL}};
+
 static void chatfn_help(void)
 {
 int i;
@@ -858,6 +865,10 @@ const struct chat_cmdtab *cmd,*cmdt;
 		}
 	chat_parsepars(s);
 	cmdt=chat_cmdtable;
+	if (!cmdt || !cmdt->name) {
+		VB_LOG(CRIT,"chat_cmdtable not initialized, \"%s\" tried to execute \"%s\"",who,cmds);
+		return;
+		}
 	for (i=0;i<NELEM(chat_cmdint);) {
 		if (cmdt->name) cmd=cmdt++;
 		else cmd=&chat_cmdint[i++];
diff --git a/vblib.h b/vblib.h
index 0b3e93c..c40f47d 100644
--- a/vblib.h
+++ b/vblib.h
@@ -69,10 +69,10 @@
  ****************************/
 
 #ifndef VB_LOG
-#define VB_LOG(lev,msg...) fprintf(stderr,VB_LOG_##lev ##msg)
+#define VB_LOG(lev,msg,args...) fprintf(stderr,VB_LOG_##lev msg "\n", ##args)
 #endif
 #ifndef VB_FATAL
-#define VB_FATAL(lev,msg...) do { VB_LOG(lev, ##msg); exit(EXIT_FAILURE); } while (0)
+#define VB_FATAL(lev,msg,args...) do { VB_LOG(lev,msg , ##args); exit(EXIT_FAILURE); } while (0)
 #endif
 
 #define VB_LOG_DEBUG "VB_Debug: "
@@ -98,6 +98,10 @@
 #ifndef __NORETURN
 #define __NORETURN __attribute__((__noreturn__))
 #endif
+/* for chat_cmdtable: */
+#ifndef __WEAK
+#define __WEAK __attribute__((__weak__))
+#endif
 
 #define NELEM(a) (sizeof((a))/sizeof(*(a)))
 #define XRAWDIGITI(n) ((n)-'0'-((n)>='A'?'A'-('9'+1):0))
diff --git a/vbtest.c b/vbtest.c
new file mode 100644
index 0000000..429761e
--- /dev/null
+++ b/vbtest.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "vblib.h"
+
+static struct varbuf vbin,vbout;
+static int closing=0;
+
+void chatfn_quit(void)
+{
+	vbputstring(&vbout,"Closing...\n");
+	closing=1;
+}
+
+void chatfn_test0(void)
+{
+static int total=0;
+
+	vbprintf(&vbout,"Test-0 command run times: %d\n",total++);
+}
+
+void chatfn_test2(void)
+{
+static int total=0;
+
+	vbprintf(&vbout,"Test-2 command run times: %d, arg0=\"%s\", arg1=\"%s\"\n",
+		total++,chat_cmdpars[0],chat_cmdpars[1]);
+}
+
+const struct chat_cmdtab chat_cmdtable[]={
+	{"test0",0,chatfn_test0,"Test command with no arguments"},
+	{"test2",2,chatfn_test2,"Test command with 2 arguments"},
+	{NULL,0,NULL,NULL}};
+
+int main(int argc,char **argv)
+{
+int arg;
+char *buf=NULL;
+size_t bufsiz=0;
+ssize_t offs,now;
+
+	for (arg=1;arg<argc;arg++)
+		printf("Ignored argument %d: %s\n",arg,*++argv);
+	VB_LOG(CRIT,"Trying CRIT dumb logging for the %dst time",1);
+	vbinit(&vbin);
+	vbinit(&vbout); chat_vbout=&vbout;
+	while (!closing) {
+		fputs("> ",stdout); fflush(stdout);
+		while ((offs=vbchrn(&vbin,0,'\n',+1))==-1) {
+			if (!vbin.free) vbgrow(&vbin,0);
+			now=read(STDIN_FILENO,vbin.l->buf+vbin.l->size-vbin.free,vbin.free);
+			if (now<=0) {
+				printf("\nError while reading input: %s\n",strerror(errno));
+				exit(EXIT_FAILURE);
+				}
+			vbin.free-=now;
+			}
+		if (bufsiz<offs+1)
+			buf=realloc(buf,min(2*(offs+1),1024));
+		vbread(&vbin,buf,offs+1);
+		buf[offs]='\0';
+		chat_proccmd("vbtest",buf);
+		vbreadfd(&vbout,STDOUT_FILENO);
+		}
+	puts("Closed.");
+	return(EXIT_SUCCESS);
+}
-- 
1.8.3.1