nsh commands.c diff to clear some compiler warnings

--- commands.c Tue Oct 6 01:59:33 2020
+++ /home/tom/commands.c Thu Apr 1 01:00:16 2021
@@ -451,7 +451,7 @@ flushcmd(int argc, char **argv)
static int
flush_line(char *line)
{
- char *argv[] = { PKILL, "-9", "-t", line, '\0' };
+ char *argv[] = { PKILL, "-9", "-t", line, NULL };
cmdargs(PKILL, argv);
return (1);
}
@@ -1673,7 +1673,7 @@ flush_pf(char *arg)
}

{
- char *argv[] = { x->cmd, x->arg, '\0' };
+ char *argv[] = { x->cmd, x->arg, NULL };
cmdargs(x->cmd, argv);
}

@@ -1720,7 +1720,7 @@ cmdrc(char rcname[FILENAME_MAX])
if (line[0] == ' ' && line[1] == '!' && savec && savec->modh == 2)
continue;
if (line[0] == ' ')
- strlcpy(saveline, line, sizeof(line));
+ strlcpy(saveline, line, sizeof(saveline));
makeargv();
if (margv[0] == 0)
continue;
@@ -1876,7 +1876,7 @@ iprompt(void)
int
wr_startup(void)
{
- char *argv[] = { SAVESCRIPT, NSHRC_TEMP, '\0' };
+ char *argv[] = { SAVESCRIPT, NSHRC_TEMP, NULL };

if (wr_conf(NSHRC_TEMP))
printf("%% Saving configuration\n");
@@ -2072,7 +2072,7 @@ pr_kernel(int argc, char **argv)
void
pf_stats(void)
{
- char *argv[] = { PFCTL, "-sinfo", '\0' };
+ char *argv[] = { PFCTL, "-sinfo", NULL };

printf("%% pf statistics:\n");

@@ -2085,7 +2085,7 @@ pr_prot1(int argc, char **argv)
{
struct prot1 *x;
struct prot *prot;
- char *args[NOPTFILL] = { NULL, NULL, NULL, NULL, NULL, NULL, '\0' };
+ char *args[NOPTFILL] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
char **fillargs;
char prefix[64];

@@ -2150,7 +2150,7 @@ step_optreq(char **xargs, char **args, int argc, char
/* copy xargs to args, replace OPT/REQ args with argv past skip */
for (i = 0; i < NOPTFILL - 2; i++) {
if (xargs[i] == NULL) {
- args[i] = '\0';
+ args[i] = NULL;
if (i > 1)
/*
* all **args passed must have at least two arguments
@@ -2169,7 +2169,7 @@ step_optreq(char **xargs, char **args, int argc, char
printf("%% Missing required argument\n");
return NULL;
} else {
- args[i] = '\0';
+ args[i] = NULL;
break;
}
} else {
Hello
below is a diff for commands.c
to clear some of the compiler warnings,

--- commands.c Tue Oct 6 01:59:33 2020
+++ /home/tom/commands.c Thu Apr 1 01:00:16 2021
@@ -451,7 +451,7 @@ flushcmd(int argc, char **argv)
static int
flush_line(char *line)
{
- char *argv[] = { PKILL, "-9", "-t", line, '\0' };
+ char *argv[] = { PKILL, "-9", "-t", line, NULL };
cmdargs(PKILL, argv);
return (1);
}
@@ -1673,7 +1673,7 @@ flush_pf(char *arg)
}

{
- char *argv[] = { x->cmd, x->arg, '\0' };
+ char *argv[] = { x->cmd, x->arg, NULL };
cmdargs(x->cmd, argv);
}

@@ -1720,7 +1720,7 @@ cmdrc(char rcname[FILENAME_MAX])
if (line[0] == ' ' && line[1] == '!' && savec && savec->modh == 2)
continue;
if (line[0] == ' ')
- strlcpy(saveline, line, sizeof(line));
+ strlcpy(saveline, line, sizeof(saveline));
makeargv();
if (margv[0] == 0)
continue;
@@ -1876,7 +1876,7 @@ iprompt(void)
int
wr_startup(void)
{
- char *argv[] = { SAVESCRIPT, NSHRC_TEMP, '\0' };
+ char *argv[] = { SAVESCRIPT, NSHRC_TEMP, NULL };

if (wr_conf(NSHRC_TEMP))
printf("%% Saving configuration\n");
@@ -2072,7 +2072,7 @@ pr_kernel(int argc, char **argv)
void
pf_stats(void)
{
- char *argv[] = { PFCTL, "-sinfo", '\0' };
+ char *argv[] = { PFCTL, "-sinfo", NULL };

printf("%% pf statistics:\n");

@@ -2085,7 +2085,7 @@ pr_prot1(int argc, char **argv)
{
struct prot1 *x;
struct prot *prot;
- char *args[NOPTFILL] = { NULL, NULL, NULL, NULL, NULL, NULL, '\0' };
+ char *args[NOPTFILL] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
char **fillargs;
char prefix[64];

@@ -2150,7 +2150,7 @@ step_optreq(char **xargs, char **args, int argc, char
/* copy xargs to args, replace OPT/REQ args with argv past skip */
for (i = 0; i < NOPTFILL - 2; i++) {
if (xargs[i] == NULL) {
- args[i] = '\0';
+ args[i] = NULL;
if (i > 1)
/*
* all **args passed must have at least two arguments
@@ -2169,7 +2169,7 @@ step_optreq(char **xargs, char **args, int argc, char
printf("%% Missing required argument\n");
return NULL;
} else {
- args[i] = '\0';
+ args[i] = NULL;
break;
}
} else {