Make buffers that are read from `const`-correct

1 files changed, 3 insertions, 3 deletions

diff --git a/src/utils.h b/src/utils.h
index 586a7f3..35209d1 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -69,13 +69,13 @@ void write_binary_string(const char *string, size_t len, FILE *to);
 void write_string(const char *string, FILE *to);
 
 /* Reads an int from a file, using len bytes, in little-endian order */
-uint64_t read_int(char **from, size_t len, const char *max);
+uint64_t read_int(const char **from, size_t len, const char *max);
 
 /* Reads a binary string from a file */
-char *read_binary_string(char **from, size_t len, const char *max);
+char *read_binary_string(const char **from, size_t len, const char *max);
 
 /* Reads a normal C string from a file */
-char *read_string(char **from, const char *max);
+char *read_string(const char **from, const char *max);
 
 /* Caching version of getgrnam */
 struct group *xgetgrnam(const char *name);