csum-file: fix missing buf pointer update

diff --git a/tar-tree.c b/tar-tree.c
index 9d9bd7be98502f64e4a643ef0973182f3483251e..673ac66ed6fd37eeeaa8580b2e43f0e2cee91a16 100644 (file)
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -1,3 +1,6 @@
+/*
+ * Copyright (c) 2005 Rene Scharfe
+ */
 #include <time.h>
 #include "cache.h"
 
@@ -14,7 +17,7 @@
 #define EXT_HEADER_PATH                1
 #define EXT_HEADER_LINKPATH    2
 
-static const char *tar_tree_usage = "tar-tree <key> [basedir]";
+static const char *tar_tree_usage = "git-tar-tree <key> [basedir]";
 
 static char block[BLOCKSIZE];
 static unsigned long offset;
@@ -37,9 +40,9 @@ static void reliable_write(void *buf, unsigned long size)
                                continue;
                        if (errno == EPIPE)
                                exit(0);
-                       die("tar-tree: %s", strerror(errno));
+                       die("git-tar-tree: %s", strerror(errno));
                } else if (!ret) {
-                       die("tar-tree: disk full?");
+                       die("git-tar-tree: disk full?");
                }
                size -= ret;
                buf += ret;
@@ -70,16 +73,13 @@ static char *get_record(void)
  */
 static void write_trailer(void)
 {
-       memset(block + offset, 0, RECORDSIZE);
-       offset += RECORDSIZE;
+       get_record();
        write_if_needed();
-       memset(block + offset, 0, RECORDSIZE);
-       offset += RECORDSIZE;
+       get_record();
        write_if_needed();
-       if (offset) {
-               memset(block + offset, 0, BLOCKSIZE - offset);
-               reliable_write(block, BLOCKSIZE);
-               offset = 0;
+       while (offset) {
+               get_record();
+               write_if_needed();
        }
 }
 
@@ -202,7 +202,7 @@ static void append_extended_header(char **p, const char *keyword,
        append_char(p, '\n');
 }
 
-static void write_header(const char *, char, const char *, struct path_prefix *,
+static void write_header(const unsigned char *, char, const char *, struct path_prefix *,
                          const char *, unsigned int, void *, unsigned long);
 
 /* stores a pax extended header directly in the block buffer */
@@ -212,7 +212,7 @@ static void write_extended_header(const char *headerfilename, int is_dir,
                                   const char *path, unsigned int namelen,
                                   void *content, unsigned int contentsize)
 {
-       char *p;
+       char *buffer, *p;
        unsigned int pathlen, size, linkpathlen = 0;
 
        size = pathlen = extended_header_len("path", namelen);
@@ -220,21 +220,22 @@ static void write_extended_header(const char *headerfilename, int is_dir,
                linkpathlen = extended_header_len("linkpath", contentsize);
                size += linkpathlen;
        }
-       if (size > RECORDSIZE)
-               die("tar-tree: extended header too big, wtf?");
        write_header(NULL, TYPEFLAG_EXT_HEADER, NULL, NULL, headerfilename,
                     0100600, NULL, size);
 
-       p = get_record();
+       buffer = p = malloc(size);
+       if (!buffer)
+               die("git-tar-tree: %s", strerror(errno));
        append_extended_header_prefix(&p, pathlen, "path");
        append_path(&p, is_dir, basepath, prefix, path);
        append_char(&p, '\n');
        if (flags & EXT_HEADER_LINKPATH)
                append_extended_header(&p, "linkpath", content, contentsize);
-       write_if_needed();
+       write_blocked(buffer, size);
+       free(buffer);
 }
 
-static void write_global_extended_header(const char *sha1)
+static void write_global_extended_header(const unsigned char *sha1)
 {
        char *p;
        unsigned int size;
@@ -249,7 +250,7 @@ static void write_global_extended_header(const char *sha1)
 }
 
 /* stores a ustar header directly in the block buffer */
-static void write_header(const char *sha1, char typeflag, const char *basepath,
+static void write_header(const unsigned char *sha1, char typeflag, const char *basepath,
                          struct path_prefix *prefix, const char *path,
                          unsigned int mode, void *buffer, unsigned long size)
 {
@@ -269,9 +270,7 @@ static void write_header(const char *sha1, char typeflag, const char *basepath,
        }
 
        namelen = path_len(S_ISDIR(mode), basepath, prefix, path);
-       if (namelen > 500)
-               die("tar-tree: name too log of object %s\n", sha1_to_hex(sha1));
-       else if (namelen > 100)
+       if (namelen > 100)
                ext_header |= EXT_HEADER_PATH;
        if (typeflag == TYPEFLAG_LNK && size > 100)
                ext_header |= EXT_HEADER_LINKPATH;
@@ -373,7 +372,7 @@ static void traverse_tree(void *buffer, unsigned long size,
 }
 
 /* get commit time from committer line of commit object */
-time_t commit_time(void * buffer, unsigned long size)
+static time_t commit_time(void * buffer, unsigned long size)
 {
        time_t result = 0;
        char *p = buffer;
@@ -431,8 +430,8 @@ int main(int argc, char **argv)
        if (!archive_time)
                archive_time = time(NULL);
        if (basedir)
-               write_header("0", TYPEFLAG_DIR, NULL, NULL, basedir, 040755,
-                            NULL, 0);
+               write_header((unsigned char *)"0", TYPEFLAG_DIR, NULL, NULL,
+                       basedir, 040755, NULL, 0);
        traverse_tree(buffer, size, NULL);
        free(buffer);
        write_trailer();