Constify getenv(), setenv() and hash code functions
This is needed to get rid of build warnings like
main.c:311: warning: passing argument 2 of 'setenv' discards qualifiers from pointer target type
which result from commit 09c2e90 "unify version_string".
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/include/common.h b/include/common.h
index 1572791..b994e70 100644
--- a/include/common.h
+++ b/include/common.h
@@ -262,13 +262,13 @@
int env_init (void);
void env_relocate (void);
int envmatch (uchar *, int);
-char *getenv (char *);
-int getenv_f (char *name, char *buf, unsigned len);
+char *getenv (const char *);
+int getenv_f (const char *name, char *buf, unsigned len);
int saveenv (void);
#ifdef CONFIG_PPC /* ARM version to be fixed! */
-int inline setenv (char *, char *);
+int inline setenv (const char *, const char *);
#else
-int setenv (char *, char *);
+int setenv (const char *, const char *);
#endif /* CONFIG_PPC */
#ifdef CONFIG_ARM
# include <asm/mach-types.h>
diff --git a/include/exports.h b/include/exports.h
index e14d727..9492566 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -21,8 +21,8 @@
int vprintf(const char *, va_list);
unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);
int strict_strtoul(const char *cp, unsigned int base, unsigned long *res);
-char *getenv (char *name);
-int setenv (char *varname, char *varvalue);
+char *getenv (const char *name);
+int setenv (const char *varname, const char *varvalue);
long simple_strtol(const char *cp,char **endp,unsigned int base);
int strcmp(const char * cs,const char * ct);
int ustrtoul(const char *cp, char **endp, unsigned int base);
diff --git a/include/search.h b/include/search.h
index c827d4d..b4edd43 100644
--- a/include/search.h
+++ b/include/search.h
@@ -39,7 +39,7 @@
} ACTION;
typedef struct entry {
- char *key;
+ const char *key;
char *data;
} ENTRY;
