2 files changed, 7 insertions, 7 deletions

diff --git a/src/win32/w32_stack.c b/src/win32/w32_stack.c
index 6eb71962a..78c78dbbd 100644
--- a/src/win32/w32_stack.c
+++ b/src/win32/w32_stack.c
@@ -76,7 +76,7 @@ int git_win32__stack_compare(
 }
 
 int git_win32__stack_format(
-	char *pbuf, int buf_len,
+	char *pbuf, size_t buf_len,
 	const git_win32__stack__raw_data *pdata,
 	const char *prefix, const char *suffix)
 {
@@ -91,10 +91,10 @@ int git_win32__stack_format(
 	} s;
 
 	IMAGEHLP_LINE64 line;
-	int buf_used = 0;
+	size_t buf_used = 0;
 	unsigned int k;
 	char detail[MY_MAX_FILENAME * 2]; /* filename plus space for function name and formatting */
-	int detail_len;
+	size_t detail_len;
 
 	if (!g_win32_stack_initialized) {
 		git_error_set(GIT_ERROR_INVALID, "git_win32_stack not initialized.");
@@ -171,7 +171,7 @@ int git_win32__stack_format(
 }
 
 int git_win32__stack(
-	char * pbuf, int buf_len,
+	char * pbuf, size_t buf_len,
 	int skip,
 	const char *prefix, const char *suffix)
 {
diff --git a/src/win32/w32_stack.h b/src/win32/w32_stack.h
index 5f0009e0b..c2565c228 100644
--- a/src/win32/w32_stack.h
+++ b/src/win32/w32_stack.h
@@ -38,7 +38,7 @@ typedef void (*git_win32__stack__aux_cb_alloc)(unsigned int *aux_id);
  * @param aux_msg A buffer where a formatted message should be written.
  * @param aux_msg_len The size of the buffer.
  */
-typedef void (*git_win32__stack__aux_cb_lookup)(unsigned int aux_id, char *aux_msg, unsigned int aux_msg_len);
+typedef void (*git_win32__stack__aux_cb_lookup)(unsigned int aux_id, char *aux_msg, size_t aux_msg_len);
 
 /**
  * Register an "aux" data provider to augment our C stacktrace data.
@@ -116,7 +116,7 @@ int git_win32__stack_compare(
  * @param suffix String written after each frame; defaults to "\n".
  */
 int git_win32__stack_format(
-	char *pbuf, int buf_len,
+	char *pbuf, size_t buf_len,
 	const git_win32__stack__raw_data *pdata,
 	const char *prefix, const char *suffix);
 
@@ -132,7 +132,7 @@ int git_win32__stack_format(
  * @param suffix String written after each frame; defaults to "\n".
  */
 int git_win32__stack(
-	char * pbuf, int buf_len,
+	char * pbuf, size_t buf_len,
 	int skip,
 	const char *prefix, const char *suffix);