Merge branch 'ml/bugfix'

12 files changed, 42 insertions, 30 deletions

diff --git a/Makefile b/Makefile
index 23fdd53..6a47ed2 100644
--- a/Makefile
+++ b/Makefile
@@ -13,12 +13,17 @@ INSTALL = install
 #
 # Define NO_OPENSSL to disable linking with OpenSSL and use bundled SHA1
 # implementation (slower).
 #
 # Define NEEDS_LIBICONV if linking with libc is not enough (eg. Darwin).
 #
+# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
+# do not support the 'size specifiers' introduced by C99, namely ll, hh,
+# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
+# some C compilers supported these specifiers prior to C99 as an extension.
+#
 
 #-include config.mak
 
 #
 # Platform specific tweaks
 #
@@ -124,12 +129,15 @@ CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
 ifdef NO_ICONV
 	CFLAGS += -DNO_ICONV
 endif
 ifdef NO_STRCASESTR
 	CFLAGS += -DNO_STRCASESTR
 endif
+ifdef NO_C99_FORMAT
+	CFLAGS += -DNO_C99_FORMAT
+endif
 ifdef NO_OPENSSL
 	CFLAGS += -DNO_OPENSSL
 	GIT_OPTIONS += NO_OPENSSL=1
 else
 	EXTLIBS += -lcrypto
 endif
diff --git a/cache.h b/cache.h
index ac9276b..5cfdb4f 100644
--- a/cache.h
+++ b/cache.h
@@ -27,11 +27,12 @@ extern int cache_process(int size, const char *path, const char *key, int ttl,
 
 
 /* List info about all cache entries on stdout */
 extern int cache_ls(const char *path);
 
 /* Print a message to stdout */
+__attribute__((format (printf,1,2)))
 extern void cache_log(const char *format, ...);
 
 extern unsigned long hash_str(const char *str);
 
 #endif /* CGIT_CACHE_H */
diff --git a/cgit.c b/cgit.c
index e1d2216..96900bb 100644
--- a/cgit.c
+++ b/cgit.c
@@ -607,13 +607,13 @@ static void process_cached_repolist(const char *path)
 	time_t age;
 	unsigned long hash;
 
 	hash = hash_str(path);
 	if (ctx.cfg.project_list)
 		hash += hash_str(ctx.cfg.project_list);
-	cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root, hash));
+	cached_rc = xstrdup(fmt("%s/rc-%8lx", ctx.cfg.cache_root, hash));
 
 	if (stat(cached_rc, &st)) {
 		/* Nothing is cached, we need to scan without forking. And
 		 * if we fail to generate a cached repolist, we need to
 		 * invoke scan_tree manually.
 		 */
diff --git a/cgit.h b/cgit.h
index f8076c5..8f5dd2a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -292,12 +292,13 @@ extern int cgit_diff_files(const unsigned char *old_sha1,
 extern void cgit_diff_tree(const unsigned char *old_sha1,
 			   const unsigned char *new_sha1,
 			   filepair_fn fn, const char *prefix, int ignorews);
 
 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
 
+__attribute__((format (printf,1,2)))
 extern char *fmt(const char *format,...);
 
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 extern struct taginfo *cgit_parse_tag(struct tag *tag);
 extern void cgit_parse_url(const char *url);
 
diff --git a/html.c b/html.c
index eaabf72..1305910 100644
--- a/html.c
+++ b/html.c
@@ -92,13 +92,13 @@ void html_status(int code, const char *msg, int more_headers)
 void html_txt(const char *txt)
 {
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='&') {
-			write(htmlfd, txt, t - txt);
+			html_raw(txt, t - txt);
 			if (c=='>')
 				html("&gt;");
 			else if (c=='<')
 				html("&lt;");
 			else if (c=='&')
 				html("&amp;");
@@ -113,36 +113,36 @@ void html_txt(const char *txt)
 void html_ntxt(int len, const char *txt)
 {
 	const char *t = txt;
 	while(t && *t && len--){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='&') {
-			write(htmlfd, txt, t - txt);
+			html_raw(txt, t - txt);
 			if (c=='>')
 				html("&gt;");
 			else if (c=='<')
 				html("&lt;");
 			else if (c=='&')
 				html("&amp;");
 			txt = t+1;
 		}
 		t++;
 	}
 	if (t!=txt)
-		write(htmlfd, txt, t - txt);
+		html_raw(txt, t - txt);
 	if (len<0)
 		html("...");
 }
 
 void html_attr(const char *txt)
 {
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='\'' || c=='\"') {
-			write(htmlfd, txt, t - txt);
+			html_raw(txt, t - txt);
 			if (c=='>')
 				html("&gt;");
 			else if (c=='<')
 				html("&lt;");
 			else if (c=='\'')
 				html("&#x27;");
@@ -160,14 +160,14 @@ void html_url_path(const char *txt)
 {
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
 		const char *e = url_escape_table[c];
 		if (e && c!='+' && c!='&' && c!='+') {
-			write(htmlfd, txt, t - txt);
-			write(htmlfd, e, 3);
+			html_raw(txt, t - txt);
+			html_raw(e, 3);
 			txt = t+1;
 		}
 		t++;
 	}
 	if (t!=txt)
 		html(txt);
@@ -177,14 +177,14 @@ void html_url_arg(const char *txt)
 {
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
 		const char *e = url_escape_table[c];
 		if (e) {
-			write(htmlfd, txt, t - txt);
-			write(htmlfd, e, 3);
+			html_raw(txt, t - txt);
+			html_raw(e, 3);
 			txt = t+1;
 		}
 		t++;
 	}
 	if (t!=txt)
 		html(txt);
@@ -246,13 +246,13 @@ int html_include(const char *filename)
 	if (!(f = fopen(filename, "r"))) {
 		fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
 			filename, strerror(errno), errno);
 		return -1;
 	}
 	while((len = fread(buf, 1, 4096, f)) > 0)
-		write(htmlfd, buf, len);
+		html_raw(buf, len);
 	fclose(f);
 	return 0;
 }
 
 int hextoint(char c)
 {
diff --git a/html.h b/html.h
index 16d55ec..1135fb8 100644
--- a/html.h
+++ b/html.h
@@ -2,13 +2,16 @@
 #define HTML_H
 
 extern int htmlfd;
 
 extern void html_raw(const char *txt, size_t size);
 extern void html(const char *txt);
+
+__attribute__((format (printf,1,2)))
 extern void htmlf(const char *format,...);
+
 extern void html_status(int code, const char *msg, int more_headers);
 extern void html_txt(const char *txt);
 extern void html_ntxt(int len, const char *txt);
 extern void html_attr(const char *txt);
 extern void html_url_path(const char *txt);
 extern void html_url_arg(const char *txt);
diff --git a/ui-blob.c b/ui-blob.c
index 667a451..ec435e1 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -49,13 +49,13 @@ int cgit_print_file(char *path, const char *head)
 	if (type == OBJ_BAD)
 		return -1;
 	buf = read_sha1_file(sha1, &type, &size);
 	if (!buf)
 		return -1;
 	buf[size] = '\0';
-	write(htmlfd, buf, size);
+	html_raw(buf, size);
 	return 0;
 }
 
 void cgit_print_blob(const char *hex, char *path, const char *head)
 {
 	unsigned char sha1[20];
@@ -105,8 +105,8 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 			ctx.page.mimetype = "application/octet-stream";
 		else
 			ctx.page.mimetype = "text/plain";
 	}
 	ctx.page.filename = path;
 	cgit_print_http_headers(&ctx);
-	write(htmlfd, buf, size);
+	html_raw(buf, size);
 }
diff --git a/ui-diff.c b/ui-diff.c
index 0dcabe9..7ff7e46 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -89,13 +89,13 @@ static void print_fileinfo(struct fileinfo *info)
 	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
 		htmlf(" (%s from %s)",
 		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
 		      info->old_path);
 	html("</td><td class='right'>");
 	if (info->binary) {
-		htmlf("bin</td><td class='graph'>%d -> %d bytes",
+		htmlf("bin</td><td class='graph'>%ld -> %ld bytes",
 		      info->old_size, info->new_size);
 		return;
 	}
 	htmlf("%d", info->added + info->removed);
 	html("</td><td class='graph'>");
 	htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
diff --git a/ui-log.c b/ui-log.c
index 0536b23..41b5225 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -225,14 +225,13 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 		free(commit->buffer);
 		commit->buffer = NULL;
 		free_commit_list(commit->parents);
 		commit->parents = NULL;
 	}
 	if (pager) {
-		htmlf("</table><div class='pager'>",
-		     columns);
+		html("</table><div class='pager'>");
 		if (ofs > 0) {
 			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
 				      ctx.qry.sha1, ctx.qry.vpath,
 				      ofs - cnt, ctx.qry.grep,
 				      ctx.qry.search, ctx.qry.showmsg);
 			html("&nbsp;");
diff --git a/ui-repolist.c b/ui-repolist.c
index 0a0b6ca..2c98668 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -3,18 +3,12 @@
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
-/* This is needed for strcasestr to be defined by <string.h> */
-#define _GNU_SOURCE 1
-#include <string.h>
-
-#include <time.h>
-
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 
 time_t read_agefile(char *path)
 {
diff --git a/ui-stats.c b/ui-stats.c
index 50c2540..946a6ea 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -2,12 +2,18 @@
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 #include "ui-stats.h"
 
+#ifdef NO_C99_FORMAT
+#define SZ_FMT "%u"
+#else
+#define SZ_FMT "%zu"
+#endif
+
 #define MONTHS 6
 
 struct authorstat {
 	long total;
 	struct string_list list;
 };
@@ -280,16 +286,16 @@ void print_combined_authorrow(struct string_list *authors, int from, int to,
 			authorstat = author->util;
 			items = &authorstat->list;
 			date = string_list_lookup(items, tmp);
 			if (date)
 				subtotal += (size_t)date->util;
 		}
-		htmlf("<td class='%s'>%d</td>", centerclass, subtotal);
+		htmlf("<td class='%s'>%ld</td>", centerclass, subtotal);
 		total += subtotal;
 	}
-	htmlf("<td class='%s'>%d</td></tr>", rightclass, total);
+	htmlf("<td class='%s'>%ld</td></tr>", rightclass, total);
 }
 
 void print_authors(struct string_list *authors, int top,
 		   struct cgit_period *period)
 {
 	struct string_list_item *author;
@@ -332,22 +338,22 @@ void print_authors(struct string_list *authors, int top,
 			tmp = period->pretty(tm);
 			period->inc(tm);
 			date = string_list_lookup(items, tmp);
 			if (!date)
 				html("<td>0</td>");
 			else {
-				htmlf("<td>%d</td>", date->util);
+				htmlf("<td>"SZ_FMT"</td>", (size_t)date->util);
 				total += (size_t)date->util;
 			}
 		}
-		htmlf("<td class='sum'>%d</td></tr>", total);
+		htmlf("<td class='sum'>%ld</td></tr>", total);
 	}
 
 	if (top < authors->nr)
 		print_combined_authorrow(authors, top, authors->nr - 1,
-			"Others (%d)", "left", "", "sum", period);
+			"Others (%ld)", "left", "", "sum", period);
 
 	print_combined_authorrow(authors, 0, authors->nr - 1, "Total",
 		"total", "sum", "sum", period);
 	html("</table>");
 }
 
@@ -364,13 +370,13 @@ void cgit_show_stats(struct cgit_context *ctx)
 
 	if (ctx->qry.period)
 		code = ctx->qry.period;
 
 	i = cgit_find_stats_period(code, &period);
 	if (!i) {
-		cgit_print_error(fmt("Unknown statistics type: %c", code));
+		cgit_print_error(fmt("Unknown statistics type: %c", code[0]));
 		return;
 	}
 	if (i > ctx->repo->max_stats) {
 		cgit_print_error(fmt("Statistics type disabled: %s",
 				     period->name));
 		return;
diff --git a/ui-tree.c b/ui-tree.c
index 75ec9cb..0b1b531 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -43,13 +43,13 @@ static void print_text_buffer(const char *name, char *buf, unsigned long size)
 	}
 
 	if (ctx.repo->source_filter) {
 		html("<td class='lines'><pre><code>");
 		ctx.repo->source_filter->argv[1] = xstrdup(name);
 		cgit_open_filter(ctx.repo->source_filter);
-		write(STDOUT_FILENO, buf, size);
+		html_raw(buf, size);
 		cgit_close_filter(ctx.repo->source_filter);
 		html("</code></pre></td></tr></table>\n");
 		return;
 	}
 
 	html("<td class='lines'><pre><code>");
@@ -64,13 +64,13 @@ static void print_binary_buffer(char *buf, unsigned long size)
 	unsigned long ofs, idx;
 	static char ascii[ROWLEN + 1];
 
 	html("<table summary='blob content' class='bin-blob'>\n");
 	html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
 	for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
-		htmlf("<tr><td class='right'>%04x</td><td class='hex'>", ofs);
+		htmlf("<tr><td class='right'>%04lx</td><td class='hex'>", ofs);
 		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
 			htmlf("%*s%02x",
 			      idx == 16 ? 4 : 1, "",
 			      buf[idx] & 0xff);
 		html(" </td><td class='hex'>");
 		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
@@ -105,13 +105,13 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
 	htmlf("blob: %s (", sha1_to_hex(sha1));
 	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
 		        curr_rev, path);
 	html(")\n");
 
 	if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
-		htmlf("<div class='error'>blob size (%dKB) exceeds display size limit (%dKB).</div>",
+		htmlf("<div class='error'>blob size (%ldKB) exceeds display size limit (%dKB).</div>",
 				size / 1024, ctx.cfg.max_blob_size);
 		return;
 	}
 
 	if (buffer_is_binary(buf, size))
 		print_binary_buffer(buf, size);