tool: make a few char pointers point to const char instead

These are read-only.

Closes https://github.com/curl/curl/pull/4771

diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index a7bcdafacc440195e2a11036005856766f25ec88..ced45319271e5abcbd0fba1c3f64a6a6cc8c1e26 100644 (file)
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -1985,8 +1985,7 @@ ParameterError getparameter(const char *flag, /* f or -long-flag */
       }
       {
         /* byte range requested */
-        char *tmp_range;
-        tmp_range = nextarg;
+        const char *tmp_range = nextarg;
         while(*tmp_range != '\0') {
           if(!ISDIGIT(*tmp_range) && *tmp_range != '-' && *tmp_range != ',') {
             warnf(global, "Invalid character is found in given range. "

diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index b7a8efbd2f8d14d076676e518843b4139e6d1f96..de1b26d7098ab5cf2ddc2f14e501112451314af7 100644 (file)
--- a/src/tool_paramhlp.c
+++ b/src/tool_paramhlp.c
@@ -560,7 +560,7 @@ int ftpcccmethod(struct OperationConfig *config, const char *str)
   return CURLFTPSSL_CCC_PASSIVE;
 }
 
-long delegation(struct OperationConfig *config, char *str)
+long delegation(struct OperationConfig *config, const char *str)
 {
   if(curl_strequal("none", str))
     return CURLGSSAPI_DELEGATION_NONE;

diff --git a/src/tool_paramhlp.h b/src/tool_paramhlp.h
index f13a114fd099de2b184521f32a7ada8666738602..d925b8476dc87544df8b3b03f299d28680d301b2 100644 (file)
--- a/src/tool_paramhlp.h
+++ b/src/tool_paramhlp.h
@@ -50,7 +50,7 @@ int ftpfilemethod(struct OperationConfig *config, const char *str);
 
 int ftpcccmethod(struct OperationConfig *config, const char *str);
 
-long delegation(struct OperationConfig *config, char *str);
+long delegation(struct OperationConfig *config, const char *str);
 
 ParameterError str2tls_max(long *val, const char *str);