util/stringops: constify hexdigest()

taisei-project · Aug 30, 2024 · c73aa60 · c73aa60
1 parent 7e5a7fa
commit c73aa60
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/util/stringops.c b/src/util/stringops.c
@@ -364,11 +364,11 @@ void format_huge_num(uint digits, uint64_t num, size_t bufsize, char buf[bufsize
  assert(p == buf + len - 1);
 }
 
-void hexdigest(uint8_t *input, size_t input_size, char *output, size_t output_size) {
+void hexdigest(const uint8_t *input, size_t input_size, char *output, size_t output_size) {
  assert(output_size > input_size * 2);
 
  static char charmap[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
- uint8_t *end = input + input_size;
+ const uint8_t *end = input + input_size;
 
  while(input < end) {
  uint8_t byte = *input++;

diff --git a/src/util/stringops.h b/src/util/stringops.h
@@ -78,7 +78,7 @@ char* ucs4_to_utf8_alloc(const uint32_t *ucs4) attr_nonnull(1) attr_returns_allo
 uint32_t utf8_getch(const char **src) attr_nonnull(1);
 
 void format_huge_num(uint digits, uint64_t num, size_t bufsize, char buf[bufsize]);
-void hexdigest(uint8_t *input, size_t input_size, char *output, size_t output_size);
+void hexdigest(const uint8_t *input, size_t input_size, char *output, size_t output_size);
 
 #define FILENAME_TIMESTAMP_MIN_BUF_SIZE 23
 size_t filename_timestamp(char *buf, size_t buf_size, const SystemTime time) attr_nonnull(1);