warnings: fix shell/environ.c

This removes the "unsigned" for environment variables, since the public header has all "char *" types. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

warnings: fix shell/environ.c
This removes the "unsigned" for environment variables, since the public header has all "char *" types. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
dfbeb7af · Alessandro Rubini · dc48f031 · dfbeb7af
Commit dfbeb7af authored Oct 20, 2012 by Alessandro Rubini
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Showing with 5 additions and 3 deletions

environ.c shell/environ.c +5 -3

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--- a/shell/environ.c
+++ b/shell/environ.c
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
+#include <wrc.h>
 #include "shell.h"
@@ -8,7 +9,7 @@
 /* Environment-related functions */
-static unsigned char env_buf[SH_ENVIRON_SIZE];
+static char env_buf[SH_ENVIRON_SIZE];
 void env_init()
 {
@@ -45,11 +46,12 @@ static int _env_end()
 	for (i = 0; i < SH_ENVIRON_SIZE; i++)
 		if (env_buf[i] == 0xff)
 			return i;
+	return 0;
 }
 int env_set(const char *var, const char *value)
 {
-	unsigned char *vstart = _env_get(var), *p;
+	char *vstart = _env_get(var), *p;
 	int end;
 	if (vstart) {		/* entry already present? remove current and append at the end of environment */
@@ -81,7 +83,7 @@ int env_set(const char *var, const char *value)
 int cmd_env(const char *args[])
 {
-	unsigned char *p = env_buf;
+	char *p = env_buf;
 	while (*p != 0xff) {
 		if (*p == 0xaa)