diff options
Diffstat (limited to 'vcs-svn')
-rw-r--r-- | vcs-svn/fast_export.c | 13 | ||||
-rw-r--r-- | vcs-svn/fast_export.h | 6 | ||||
-rw-r--r-- | vcs-svn/line_buffer.c | 8 | ||||
-rw-r--r-- | vcs-svn/line_buffer.h | 4 | ||||
-rw-r--r-- | vcs-svn/line_buffer.txt | 12 | ||||
-rw-r--r-- | vcs-svn/repo_tree.c | 24 | ||||
-rw-r--r-- | vcs-svn/repo_tree.h | 7 | ||||
-rw-r--r-- | vcs-svn/svndump.c | 59 |
8 files changed, 51 insertions, 82 deletions
diff --git a/vcs-svn/fast_export.c b/vcs-svn/fast_export.c index ec323e9b3..33e853d9c 100644 --- a/vcs-svn/fast_export.c +++ b/vcs-svn/fast_export.c @@ -60,12 +60,14 @@ void fast_export_modify(const char *path, uint32_t mode, const char *dataref) } static char gitsvnline[MAX_GITSVN_LINE_LEN]; -void fast_export_begin_commit(uint32_t revision, const char *author, char *log, +void fast_export_begin_commit(uint32_t revision, const char *author, + const struct strbuf *log, const char *uuid, const char *url, unsigned long timestamp) { + static const struct strbuf empty = STRBUF_INIT; if (!log) - log = ""; + log = ∅ if (*uuid && *url) { snprintf(gitsvnline, MAX_GITSVN_LINE_LEN, "\n\ngit-svn-id: %s@%"PRIu32" %s\n", @@ -79,9 +81,10 @@ void fast_export_begin_commit(uint32_t revision, const char *author, char *log, *author ? author : "nobody", *author ? author : "nobody", *uuid ? uuid : "local", timestamp); - printf("data %"PRIu32"\n%s%s\n", - (uint32_t) (strlen(log) + strlen(gitsvnline)), - log, gitsvnline); + printf("data %"PRIuMAX"\n", + (uintmax_t) (log->len + strlen(gitsvnline))); + fwrite(log->buf, log->len, 1, stdout); + printf("%s\n", gitsvnline); if (!first_commit_done) { if (revision > 1) printf("from :%"PRIu32"\n", revision - 1); diff --git a/vcs-svn/fast_export.h b/vcs-svn/fast_export.h index 12b0bbb41..2d392e370 100644 --- a/vcs-svn/fast_export.h +++ b/vcs-svn/fast_export.h @@ -10,9 +10,9 @@ void fast_export_reset(void); void fast_export_delete(const char *path); void fast_export_modify(const char *path, uint32_t mode, const char *dataref); -void fast_export_begin_commit(uint32_t revision, const char *author, char *log, - const char *uuid, const char *url, - unsigned long timestamp); +void fast_export_begin_commit(uint32_t revision, const char *author, + const struct strbuf *log, const char *uuid, + const char *url, unsigned long timestamp); void fast_export_end_commit(uint32_t revision); void fast_export_data(uint32_t mode, uint32_t len, struct line_buffer *input); diff --git a/vcs-svn/line_buffer.c b/vcs-svn/line_buffer.c index 33e733a04..c39038723 100644 --- a/vcs-svn/line_buffer.c +++ b/vcs-svn/line_buffer.c @@ -91,13 +91,6 @@ char *buffer_read_line(struct line_buffer *buf) return buf->line_buffer; } -char *buffer_read_string(struct line_buffer *buf, uint32_t len) -{ - strbuf_reset(&buf->blob_buffer); - strbuf_fread(&buf->blob_buffer, len, buf->infile); - return ferror(buf->infile) ? NULL : buf->blob_buffer.buf; -} - void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t size) { @@ -134,5 +127,4 @@ off_t buffer_skip_bytes(struct line_buffer *buf, off_t nbytes) void buffer_reset(struct line_buffer *buf) { - strbuf_release(&buf->blob_buffer); } diff --git a/vcs-svn/line_buffer.h b/vcs-svn/line_buffer.h index f5c468afa..d0b22dda7 100644 --- a/vcs-svn/line_buffer.h +++ b/vcs-svn/line_buffer.h @@ -7,10 +7,9 @@ struct line_buffer { char line_buffer[LINE_BUFFER_LEN]; - struct strbuf blob_buffer; FILE *infile; }; -#define LINE_BUFFER_INIT {"", STRBUF_INIT, NULL} +#define LINE_BUFFER_INIT { "", NULL } int buffer_init(struct line_buffer *buf, const char *filename); int buffer_fdinit(struct line_buffer *buf, int fd); @@ -23,7 +22,6 @@ long buffer_tmpfile_prepare_to_read(struct line_buffer *buf); int buffer_ferror(struct line_buffer *buf); char *buffer_read_line(struct line_buffer *buf); -char *buffer_read_string(struct line_buffer *buf, uint32_t len); int buffer_read_char(struct line_buffer *buf); void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t len); /* Returns number of bytes read (not necessarily written). */ diff --git a/vcs-svn/line_buffer.txt b/vcs-svn/line_buffer.txt index 4ef0755cf..8e139eb22 100644 --- a/vcs-svn/line_buffer.txt +++ b/vcs-svn/line_buffer.txt @@ -16,8 +16,8 @@ The calling program: - initializes a `struct line_buffer` to LINE_BUFFER_INIT - specifies a file to read with `buffer_init` - - processes input with `buffer_read_line`, `buffer_read_string`, - `buffer_skip_bytes`, and `buffer_copy_bytes` + - processes input with `buffer_read_line`, `buffer_skip_bytes`, + and `buffer_copy_bytes` - closes the file with `buffer_deinit`, perhaps to start over and read another file. @@ -37,7 +37,7 @@ the calling program. A program the temporary file - declares writing is over with `buffer_tmpfile_prepare_to_read` - can re-read what was written with `buffer_read_line`, - `buffer_read_string`, and so on + `buffer_copy_bytes`, and so on - can reuse the temporary file by calling `buffer_tmpfile_rewind` again - removes the temporary file with `buffer_deinit`, perhaps to @@ -64,12 +64,6 @@ Functions Read a line and strip off the trailing newline. On failure or end of file, returns NULL. -`buffer_read_string`:: - Read `len` characters of input or up to the end of the - file, whichever comes first. Returns NULL on error. - Returns whatever characters were read (possibly "") - for end of file. - `buffer_copy_bytes`:: Read `len` bytes of input and dump them to the standard output stream. Returns early for error or end of file. diff --git a/vcs-svn/repo_tree.c b/vcs-svn/repo_tree.c index f2466bc63..67d27f0b6 100644 --- a/vcs-svn/repo_tree.c +++ b/vcs-svn/repo_tree.c @@ -8,39 +8,23 @@ #include "repo_tree.h" #include "fast_export.h" -const char *repo_read_path(const char *path) +const char *repo_read_path(const char *path, uint32_t *mode_out) { int err; - uint32_t dummy; static struct strbuf buf = STRBUF_INIT; strbuf_reset(&buf); - err = fast_export_ls(path, &dummy, &buf); + err = fast_export_ls(path, mode_out, &buf); if (err) { if (errno != ENOENT) die_errno("BUG: unexpected fast_export_ls error"); + /* Treat missing paths as directories. */ + *mode_out = REPO_MODE_DIR; return NULL; } return buf.buf; } -uint32_t repo_read_mode(const char *path) -{ - int err; - uint32_t result; - static struct strbuf dummy = STRBUF_INIT; - - strbuf_reset(&dummy); - err = fast_export_ls(path, &result, &dummy); - if (err) { - if (errno != ENOENT) - die_errno("BUG: unexpected fast_export_ls error"); - /* Treat missing paths as directories. */ - return REPO_MODE_DIR; - } - return result; -} - void repo_copy(uint32_t revision, const char *src, const char *dst) { int err; diff --git a/vcs-svn/repo_tree.h b/vcs-svn/repo_tree.h index 44e6e8fab..889c6a3c9 100644 --- a/vcs-svn/repo_tree.h +++ b/vcs-svn/repo_tree.h @@ -1,7 +1,7 @@ #ifndef REPO_TREE_H_ #define REPO_TREE_H_ -#include "git-compat-util.h" +struct strbuf; #define REPO_MODE_DIR 0040000 #define REPO_MODE_BLB 0100644 @@ -11,11 +11,10 @@ uint32_t next_blob_mark(void); void repo_copy(uint32_t revision, const char *src, const char *dst); void repo_add(const char *path, uint32_t mode, uint32_t blob_mark); -const char *repo_read_path(const char *path); -uint32_t repo_read_mode(const char *path); +const char *repo_read_path(const char *path, uint32_t *mode_out); void repo_delete(const char *path); void repo_commit(uint32_t revision, const char *author, - char *log, const char *uuid, const char *url, + const struct strbuf *log, const char *uuid, const char *url, long unsigned timestamp); void repo_diff(uint32_t r1, uint32_t r2); void repo_init(void); diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c index 363503d4e..11c59f18b 100644 --- a/vcs-svn/svndump.c +++ b/vcs-svn/svndump.c @@ -13,14 +13,14 @@ #include "line_buffer.h" #include "strbuf.h" -#define REPORT_FILENO 3 - /* * Compare start of string to literal of equal length; * must be guarded by length test. */ #define constcmp(s, ref) memcmp(s, ref, sizeof(ref) - 1) +#define REPORT_FILENO 3 + #define NODEACT_REPLACE 4 #define NODEACT_DELETE 3 #define NODEACT_ADD 2 @@ -88,7 +88,7 @@ static void reset_dump_ctx(const char *url) } static void handle_property(const struct strbuf *key_buf, - const char *val, uint32_t len, + struct strbuf *val, uint32_t *type_set) { const char *key = key_buf->buf; @@ -100,23 +100,23 @@ static void handle_property(const struct strbuf *key_buf, break; if (!val) die("invalid dump: unsets svn:log"); - strbuf_reset(&rev_ctx.log); - strbuf_add(&rev_ctx.log, val, len); + strbuf_swap(&rev_ctx.log, val); break; case sizeof("svn:author"): if (constcmp(key, "svn:author")) break; - strbuf_reset(&rev_ctx.author); - if (val) - strbuf_add(&rev_ctx.author, val, len); + if (!val) + strbuf_reset(&rev_ctx.author); + else + strbuf_swap(&rev_ctx.author, val); break; case sizeof("svn:date"): if (constcmp(key, "svn:date")) break; if (!val) die("invalid dump: unsets svn:date"); - if (parse_date_basic(val, &rev_ctx.timestamp, NULL)) - warning("invalid timestamp: %s", val); + if (parse_date_basic(val->buf, &rev_ctx.timestamp, NULL)) + warning("invalid timestamp: %s", val->buf); break; case sizeof("svn:executable"): case sizeof("svn:special"): @@ -152,6 +152,7 @@ static void die_short_read(void) static void read_props(void) { static struct strbuf key = STRBUF_INIT; + static struct strbuf val = STRBUF_INIT; const char *t; /* * NEEDSWORK: to support simple mode changes like @@ -168,15 +169,15 @@ static void read_props(void) uint32_t type_set = 0; while ((t = buffer_read_line(&input)) && strcmp(t, "PROPS-END")) { uint32_t len; - const char *val; const char type = t[0]; int ch; if (!type || t[1] != ' ') die("invalid property line: %s\n", t); len = atoi(&t[2]); - val = buffer_read_string(&input, len); - if (!val || strlen(val) != len) + strbuf_reset(&val); + buffer_read_binary(&input, &val, len); + if (val.len < len) die_short_read(); /* Discard trailing newline. */ @@ -184,22 +185,17 @@ static void read_props(void) if (ch == EOF) die_short_read(); if (ch != '\n') - die("invalid dump: expected newline after %s", val); + die("invalid dump: expected newline after %s", val.buf); switch (type) { case 'K': + strbuf_swap(&key, &val); + continue; case 'D': - strbuf_reset(&key); - if (val) - strbuf_add(&key, val, len); - if (type == 'K') - continue; - assert(type == 'D'); - val = NULL; - len = 0; - /* fall through */ + handle_property(&val, NULL, &type_set); + continue; case 'V': - handle_property(&key, val, len, &type_set); + handle_property(&key, &val, &type_set); strbuf_reset(&key); continue; default: @@ -229,7 +225,8 @@ static void handle_node(void) if (have_text || have_props || node_ctx.srcRev) die("invalid dump: deletion node has " "copyfrom info, text, or properties"); - return repo_delete(node_ctx.dst.buf); + repo_delete(node_ctx.dst.buf); + return; } if (node_ctx.action == NODEACT_REPLACE) { repo_delete(node_ctx.dst.buf); @@ -252,8 +249,7 @@ static void handle_node(void) old_data = NULL; } else if (node_ctx.action == NODEACT_CHANGE) { uint32_t mode; - old_data = repo_read_path(node_ctx.dst.buf); - mode = repo_read_mode(node_ctx.dst.buf); + old_data = repo_read_path(node_ctx.dst.buf, &mode); if (mode == REPO_MODE_DIR && type != REPO_MODE_DIR) die("invalid dump: cannot modify a directory into a file"); if (mode != REPO_MODE_DIR && type == REPO_MODE_DIR) @@ -302,7 +298,7 @@ static void begin_revision(void) if (!rev_ctx.revision) /* revision 0 gets no git commit. */ return; fast_export_begin_commit(rev_ctx.revision, rev_ctx.author.buf, - rev_ctx.log.buf, dump_ctx.uuid.buf, dump_ctx.url.buf, + &rev_ctx.log, dump_ctx.uuid.buf, dump_ctx.url.buf, rev_ctx.timestamp); } @@ -321,10 +317,13 @@ void svndump_read(const char *url) reset_dump_ctx(url); while ((t = buffer_read_line(&input))) { - val = strstr(t, ": "); + val = strchr(t, ':'); if (!val) continue; - val += 2; + val++; + if (*val != ' ') + continue; + val++; /* strlen(key) + 1 */ switch (val - t - 1) { |