Merge pull request #4240 from pks-t/pks/fix-gcc-warnings

Fix GCC warnings

examples/network/common.c

 #include "common.h"
 #include <stdio.h>
+#include <string.h>
+#include <errno.h>
 
 /* Shamelessly borrowed from http://stackoverflow.com/questions/3417837/
  * with permission of the original author, Martin Pool.
@@ -20,15 +22,27 @@ int cred_acquire_cb(git_cred **out,
 		unsigned int UNUSED(allowed_types),
 		void * UNUSED(payload))
 {
-	char username[128] = {0};
-	char password[128] = {0};
+	char *username = NULL, *password = NULL;
+	int error;
 
 	printf("Username: ");
-	scanf("%s", username);
+	if (getline(&username, NULL, stdin) < 0) {
+		fprintf(stderr, "Unable to read username: %s", strerror(errno));
+		return -1;
+	}
 
 	/* Yup. Right there on your terminal. Careful where you copy/paste output. */
 	printf("Password: ");
-	scanf("%s", password);
+	if (getline(&password, NULL, stdin) < 0) {
+		fprintf(stderr, "Unable to read password: %s", strerror(errno));
+		free(username);
+		return -1;
+	}
 
-	return git_cred_userpass_plaintext_new(out, username, password);
+	error = git_cred_userpass_plaintext_new(out, username, password);
+
+	free(username);
+	free(password);
+
+	return error;
 }

src/odb.c

@@ -1002,7 +1002,7 @@ static int odb_read_1(git_odb_object **out, git_odb *db, const git_oid *id,
 	git_odb_object *object;
 	git_oid hashed;
 	bool found = false;
-	int error;
+	int error = 0;
 
 	if (!only_refreshed && odb_read_hardcoded(&raw, id) == 0)
 		found = true;
@@ -1099,7 +1099,7 @@ static int read_prefix_1(git_odb_object **out, git_odb *db,
 		const git_oid *key, size_t len, bool only_refreshed)
 {
 	size_t i;
-	int error;
+	int error = 0;
 	git_oid found_full_oid = {{0}};
 	git_rawobj raw = {0};
 	void *data = NULL;
@@ -1326,8 +1326,8 @@ static int git_odb_stream__invalid_length(
 {
 	giterr_set(GITERR_ODB,
 		"cannot %s - "
-		"Invalid length. %"PRIuZ" was expected. The "
-		"total size of the received chunks amounts to %"PRIuZ".",
+		"Invalid length. %"PRIdZ" was expected. The "
+		"total size of the received chunks amounts to %"PRIdZ".",
 		action, stream->declared_size, stream->received_bytes);
 
 	return -1;

tests/clone/local.c

@@ -16,6 +16,7 @@ static int file_url(git_buf *buf, const char *host, const char *path)
 	return git_buf_printf(buf, "file://%s/%s", host, path);
 }
 
+#ifdef GIT_WIN32
 static int git_style_unc_path(git_buf *buf, const char *host, const char *path)
 {
 	git_buf_clear(buf);
@@ -49,6 +50,7 @@ static int unc_path(git_buf *buf, const char *host, const char *path)
 
 	return 0;
 }
+#endif
 
 void test_clone_local__should_clone_local(void)
 {

tests/threads/basic.c

@@ -54,12 +54,6 @@ static void *return_normally(void *param)
 {
 	return param;
 }
-
-static void *exit_abruptly(void *param)
-{
-	git_thread_exit(param);
-	return NULL;
-}
 #endif
 
 void test_threads_basic__exit(void)