From c495cf02bac16e459f7c9e1740798646f12c00c5 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Sat, 31 Jan 2009 10:40:40 +0100 Subject: Handle binary files in diffs This teaches all diff-related operations (i.e. ui-log, ui-diff and ui-patch) how to handle binary files. Signed-off-by: Lars Hjemli --- cgit.h | 4 +++- shared.c | 13 +++++++++++-- ui-diff.c | 26 ++++++++++++++++++++++++-- ui-log.c | 7 ++++++- ui-patch.c | 9 ++++++++- 5 files changed, 52 insertions(+), 7 deletions(-) diff --git a/cgit.h b/cgit.h index 4fe94c6..8b0defa 100644 --- a/cgit.h +++ b/cgit.h @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -221,7 +222,8 @@ extern void *cgit_free_commitinfo(struct commitinfo *info); extern int cgit_diff_files(const unsigned char *old_sha1, const unsigned char *new_sha1, - linediff_fn fn); + unsigned long *old_size, unsigned long *new_size, + int *binary, linediff_fn fn); extern void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, diff --git a/shared.c b/shared.c index 578a544..dbb84d8 100644 --- a/shared.c +++ b/shared.c @@ -257,8 +257,8 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) } int cgit_diff_files(const unsigned char *old_sha1, - const unsigned char *new_sha1, - linediff_fn fn) + const unsigned char *new_sha1, unsigned long *old_size, + unsigned long *new_size, int *binary, linediff_fn fn) { mmfile_t file1, file2; xpparam_t diff_params; @@ -268,6 +268,15 @@ int cgit_diff_files(const unsigned char *old_sha1, if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) return 1; + *old_size = file1.size; + *new_size = file2.size; + + if (buffer_is_binary(file1.ptr, file1.size) || + buffer_is_binary(file2.ptr, file2.size)) { + *binary = 1; + return 0; + } + memset(&diff_params, 0, sizeof(diff_params)); memset(&emit_params, 0, sizeof(emit_params)); memset(&emit_cb, 0, sizeof(emit_cb)); diff --git a/ui-diff.c b/ui-diff.c index 878496d..2196745 100644 --- a/ui-diff.c +++ b/ui-diff.c @@ -27,6 +27,9 @@ static struct fileinfo { char *new_path; unsigned int added; unsigned int removed; + unsigned long old_size; + unsigned long new_size; + int binary:1; } *items; @@ -86,6 +89,11 @@ static void print_fileinfo(struct fileinfo *info) info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", info->old_path); html(""); + if (info->binary) { + htmlf("bin%d -> %d bytes", + info->old_size, info->new_size); + return; + } htmlf("%d", info->added + info->removed); html(""); htmlf("", (max_changes > 100 ? 100 : max_changes)); @@ -110,10 +118,14 @@ static void count_diff_lines(char *line, int len) static void inspect_filepair(struct diff_filepair *pair) { + int binary = 0; + unsigned long old_size = 0; + unsigned long new_size = 0; files++; lines_added = 0; lines_removed = 0; - cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines); + cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, + &binary, count_diff_lines); if (files >= slots) { if (slots == 0) slots = 4; @@ -130,6 +142,9 @@ static void inspect_filepair(struct diff_filepair *pair) items[files-1].new_path = xstrdup(pair->two->path); items[files-1].added = lines_added; items[files-1].removed = lines_removed; + items[files-1].old_size = old_size; + items[files-1].new_size = new_size; + items[files-1].binary = binary; if (lines_added + lines_removed > max_changes) max_changes = lines_added + lines_removed; total_adds += lines_added; @@ -233,6 +248,10 @@ static void header(unsigned char *sha1, char *path1, int mode1, static void filepair_cb(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { @@ -242,8 +261,11 @@ static void filepair_cb(struct diff_filepair *pair) print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } - if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) + if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, print_line)) cgit_print_error("Error running diff"); + if (binary) + html("Binary files differ"); } void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix) diff --git a/ui-log.c b/ui-log.c index 3202848..ba2ab03 100644 --- a/ui-log.c +++ b/ui-log.c @@ -26,9 +26,14 @@ void count_lines(char *line, int size) void inspect_files(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + files++; if (ctx.repo->enable_log_linecount) - cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines); + cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, count_lines); } void show_commit_decorations(struct commit *commit) diff --git a/ui-patch.c b/ui-patch.c index 1d77336..5d665d3 100644 --- a/ui-patch.c +++ b/ui-patch.c @@ -57,6 +57,10 @@ static void header(unsigned char *sha1, char *path1, int mode1, static void filepair_cb(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { @@ -66,8 +70,11 @@ static void filepair_cb(struct diff_filepair *pair) print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } - if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) + if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, print_line)) html("Error running diff"); + if (binary) + html("Binary files differ\n"); } void cgit_print_patch(char *hex) -- cgit v1.2.3-54-g00ecf From ae1d4d75b2a2eb3534ff4b3685cc5c0b80007ef7 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Sat, 31 Jan 2009 17:45:48 +0100 Subject: ui-tree: show hexdump of binary blobs This teaches ui-tree to detect binary blobs and display them similar to `hexdump -C` (only wider). Signed-off-by: Lars Hjemli --- cgit.css | 19 +++++++++++++++++ ui-tree.c | 71 ++++++++++++++++++++++++++++++++++++++++++--------------------- 2 files changed, 67 insertions(+), 23 deletions(-) diff --git a/cgit.css b/cgit.css index 957d5aa..adfc8ae 100644 --- a/cgit.css +++ b/cgit.css @@ -263,6 +263,25 @@ table.blob a.no a:hover { color: black; } +table.bin-blob { + margin-top: 0.5em; + border: solid 1px black; +} + +table.bin-blob th { + font-family: monospace; + white-space: pre; + border: solid 1px #777; + padding: 0.5em 1em; +} + +table.bin-blob td { + font-family: monospace; + white-space: pre; + border-left: solid 1px #777; + padding: 0em 1em; +} + table.nowrap td { white-space: nowrap; } diff --git a/ui-tree.c b/ui-tree.c index c26ba4c..a37a4e5 100644 --- a/ui-tree.c +++ b/ui-tree.c @@ -6,6 +6,7 @@ * (see COPYING for full license text) */ +#include #include "cgit.h" #include "html.h" #include "ui-shared.h" @@ -14,12 +15,53 @@ char *curr_rev; char *match_path; int header = 0; +static void print_text_buffer(char *buf, unsigned long size) +{ + unsigned long lineno, idx; + const char *numberfmt = + "%1$d\n"; + + html("
\n"); + html("\n"); + html("
");
+	idx = 0;
+	lineno = 0;
+	htmlf(numberfmt, ++lineno);
+	while(idx < size - 1) { // skip absolute last newline
+		if (buf[idx] == '\n')
+			htmlf(numberfmt, ++lineno);
+		idx++;
+	}
+	html("
");
+	html_txt(buf);
+	html("
\n"); +} + +static void print_binary_buffer(char *buf, unsigned long size) +{ + unsigned long ofs, idx; + + html("\n"); + html(""); + for (ofs = 0; ofs < size; ofs += 32, buf += 32) { + htmlf("\n"); + } + html("
ofshex dumpascii
%04x", ofs); + for (idx = 0; idx < 32 && ofs + idx < size; idx++) + htmlf("%*s%02x", + idx == 16 ? 4 : 1, "", + buf[idx] & 0xff); + html(" "); + for (idx = 0; idx < 32 && ofs + idx < size; idx++) + htmlf("%c", isgraph(buf[idx]) ? buf[idx] : '.'); + html("
\n"); +} + static void print_object(const unsigned char *sha1, char *path) { enum object_type type; char *buf; - unsigned long size, lineno, idx; - const char *numberfmt = "%1$d\n"; + unsigned long size; type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { @@ -40,27 +82,10 @@ static void print_object(const unsigned char *sha1, char *path) curr_rev, path); htmlf(")
blob: %s\n", sha1_to_hex(sha1)); - html("\n"); - html("\n"); - - html("\n"); - - html("\n"); - - html("\n"); - html("
");
-	idx = 0;
-	lineno = 0;
-	htmlf(numberfmt, ++lineno);
-	while(idx < size - 1) { // skip absolute last newline
-		if (buf[idx] == '\n') {
-			htmlf(numberfmt, ++lineno);
-		}
-		idx++;
-	}
-	html("
");
-	html_txt(buf);
-	html("
\n"); + if (buffer_is_binary(buf, size)) + print_binary_buffer(buf, size); + else + print_text_buffer(buf, size); } -- cgit v1.2.3-54-g00ecf From 481ce5e298e2dcd7edc1d4a30e523dda2ce58b01 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Sun, 1 Feb 2009 19:29:24 +0100 Subject: shared.c: avoid SEGFAULT when checking for binary buffers Before calling buffer_is_binary() we need to verify that the buffer is valid. Signed-off-by: Lars Hjemli --- shared.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/shared.c b/shared.c index dbb84d8..cce0af4 100644 --- a/shared.c +++ b/shared.c @@ -271,8 +271,8 @@ int cgit_diff_files(const unsigned char *old_sha1, *old_size = file1.size; *new_size = file2.size; - if (buffer_is_binary(file1.ptr, file1.size) || - buffer_is_binary(file2.ptr, file2.size)) { + if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) || + (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) { *binary = 1; return 0; } -- cgit v1.2.3-54-g00ecf