X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/c1633c6befb6762e1ac9434a29980e4df5ffee21..81bf4d32b377d3f2fdd7ab3ca651be99408f5c32:/ui-plain.c

diff --git a/ui-plain.c b/ui-plain.c
index c21d38f..9c86542 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -8,11 +8,14 @@
 
 #include <stdio.h>
 #include "cgit.h"
+#include "ui-plain.h"
 #include "html.h"
 #include "ui-shared.h"
 
-int match_baselen;
-int match;
+struct walk_tree_context {
+	int match_baselen;
+	int match;
+};
 
 static char *get_mimetype_from_file(const char *filename, const char *ext)
 {
@@ -54,7 +57,7 @@ static char *get_mimetype_from_file(const char *filename, const char *ext)
 	return result;
 }
 
-static void print_object(const unsigned char *sha1, const char *path)
+static int print_object(const unsigned char *sha1, const char *path)
 {
 	enum object_type type;
 	char *buf, *ext;
@@ -65,13 +68,13 @@ static void print_object(const unsigned char *sha1, const char *path)
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD) {
 		html_status(404, "Not found", 0);
-		return;
+		return 0;
 	}
 
 	buf = read_sha1_file(sha1, &type, &size);
 	if (!buf) {
 		html_status(404, "Not found", 0);
-		return;
+		return 0;
 	}
 	ctx.page.mimetype = NULL;
 	ext = strrchr(path, '.');
@@ -92,22 +95,23 @@ static void print_object(const unsigned char *sha1, const char *path)
 		else
 			ctx.page.mimetype = "text/plain";
 	}
-	ctx.page.filename = fmt("%s", path);
+	ctx.page.filename = path;
 	ctx.page.size = size;
 	ctx.page.etag = sha1_to_hex(sha1);
 	cgit_print_http_headers(&ctx);
 	html_raw(buf, size);
-	match = 1;
+	/* If we allocated this, then casting away const is safe. */
 	if (freemime)
-		free(ctx.page.mimetype);
+		free((char*) ctx.page.mimetype);
+	return 1;
 }
 
 static char *buildpath(const char *base, int baselen, const char *path)
 {
 	if (path[0])
-		return fmt("%.*s%s/", baselen, base, path);
+		return fmtalloc("%.*s%s/", baselen, base, path);
 	else
-		return fmt("%.*s/", baselen, base);
+		return fmtalloc("%.*s/", baselen, base);
 }
 
 static void print_dir(const unsigned char *sha1, const char *base,
@@ -138,7 +142,7 @@ static void print_dir(const unsigned char *sha1, const char *base,
 				fullpath);
 		html("</li>\n");
 	}
-	match = 2;
+	free(fullpath);
 }
 
 static void print_dir_entry(const unsigned char *sha1, const char *base,
@@ -156,7 +160,7 @@ static void print_dir_entry(const unsigned char *sha1, const char *base,
 		cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
 				fullpath);
 	html("</li>\n");
-	match = 2;
+	free(fullpath);
 }
 
 static void print_dir_tail(void)
@@ -168,18 +172,23 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 		     const char *pathname, unsigned mode, int stage,
 		     void *cbdata)
 {
-	if (baselen == match_baselen) {
-		if (S_ISREG(mode))
-			print_object(sha1, pathname);
-		else if (S_ISDIR(mode)) {
+	struct walk_tree_context *walk_tree_ctx = cbdata;
+
+	if (baselen == walk_tree_ctx->match_baselen) {
+		if (S_ISREG(mode)) {
+			if (print_object(sha1, pathname))
+				walk_tree_ctx->match = 1;
+		} else if (S_ISDIR(mode)) {
 			print_dir(sha1, base, baselen, pathname);
+			walk_tree_ctx->match = 2;
 			return READ_TREE_RECURSIVE;
 		}
-	}
-	else if (baselen > match_baselen)
+	} else if (baselen > walk_tree_ctx->match_baselen) {
 		print_dir_entry(sha1, base, baselen, pathname, mode);
-	else if (S_ISDIR(mode))
+		walk_tree_ctx->match = 2;
+	} else if (S_ISDIR(mode)) {
 		return READ_TREE_RECURSIVE;
+	}
 
 	return 0;
 }
@@ -205,6 +214,9 @@ void cgit_print_plain(struct cgit_context *ctx)
 		.nr = 1,
 		.items = &path_items
 	};
+	struct walk_tree_context walk_tree_ctx = {
+		.match = 0
+	};
 
 	if (!rev)
 		rev = ctx->qry.head;
@@ -220,14 +232,15 @@ void cgit_print_plain(struct cgit_context *ctx)
 	}
 	if (!path_items.match) {
 		path_items.match = "";
-		match_baselen = -1;
+		walk_tree_ctx.match_baselen = -1;
 		print_dir(commit->tree->object.sha1, "", 0, "");
+		walk_tree_ctx.match = 2;
 	}
 	else
-		match_baselen = basedir_len(path_items.match);
-	read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, NULL);
-	if (!match)
+		walk_tree_ctx.match_baselen = basedir_len(path_items.match);
+	read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+	if (!walk_tree_ctx.match)
 		html_status(404, "Not found", 0);
-	else if (match == 2)
+	else if (walk_tree_ctx.match == 2)
 		print_dir_tail();
 }