Make buffers that are read from `const`-correct

1 files changed, 3 insertions, 3 deletions

diff --git a/src/utils.c b/src/utils.c
index b086900..87292e3 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -145,7 +145,7 @@ 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)
+read_int(const char **from, size_t len, const char *max)
 {
 	uint64_t result = 0;
 	size_t i;
@@ -164,7 +164,7 @@ read_int(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)
+read_binary_string(const char **from, size_t len, const char *max)
 {
 	char *result;
 
@@ -182,7 +182,7 @@ read_binary_string(char **from, size_t len, const char *max)
 
 /* Reads a normal C string from a file */
 char *
-read_string(char **from, const char *max)
+read_string(const char **from, const char *max)
 {
 	return read_binary_string(from, strlen(*from) + 1, max);
 }