X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Fformat.h;h=bec1b6b410dc483931252fea65ca7e8f79fcb0ce;hb=32e1c010b0c34fd0984f7fc45fae648a182025c5;hp=bc0d6d15fd5f9787736fe07bd91522303c721c70;hpb=6f692d6e5a8ffc920a728372ef773199bc5466c0;p=vpp.git

diff --git a/src/vppinfra/format.h b/src/vppinfra/format.h
index bc0d6d15fd5..bec1b6b410d 100644
--- a/src/vppinfra/format.h
+++ b/src/vppinfra/format.h
@@ -234,7 +234,7 @@ typedef uword (unformat_function_t) (unformat_input_t * input,
 /* External functions. */
 
 /* General unformatting function with programmable input stream. */
-uword unformat (unformat_input_t * i, char *fmt, ...);
+uword unformat (unformat_input_t * i, const char *fmt, ...);
 
 /* Call user defined parse function.
    unformat_user (i, f, ...) is equivalent to unformat (i, "%U", f, ...) */
@@ -242,7 +242,7 @@ uword unformat_user (unformat_input_t * input, unformat_function_t * func,
 		     ...);
 
 /* Alternate version which allows for extensions. */
-uword va_unformat (unformat_input_t * i, char *fmt, va_list * args);
+uword va_unformat (unformat_input_t * i, const char *fmt, va_list * args);
 
 /* Setup for unformat of Unix style command line. */
 void unformat_init_command_line (unformat_input_t * input, char *argv[]);