MVMint64 MVM_file_eof(MVMThreadContext *tc, MVMObject *oshandle) {
MVMOSHandle *handle;
verify_filehandle_type(tc, oshandle, &handle, "check eof");
return apr_file_eof(handle->body.file_handle) == APR_EOF ? 1 : 0;
}
static apr_status_t restore_slotmem(void *ptr, const char *name, apr_size_t size,
apr_pool_t *pool)
{
const char *storename;
apr_file_t *fp;
apr_size_t nbytes = size;
apr_status_t rv = APR_SUCCESS;
unsigned char digest[APR_MD5_DIGESTSIZE];
unsigned char digest2[APR_MD5_DIGESTSIZE];
storename = slotmem_filename(pool, name, 1);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf, APLOGNO(02335)
"restoring %s", storename);
if (storename) {
rv = apr_file_open(&fp, storename, APR_READ | APR_WRITE, APR_OS_DEFAULT,
pool);
if (rv == APR_SUCCESS) {
rv = apr_file_read(fp, ptr, &nbytes);
if ((rv == APR_SUCCESS || rv == APR_EOF) && nbytes == size) {
rv = APR_SUCCESS; /* for successful return @ EOF */
/*
* if at EOF, don't bother checking md5
* - backwards compatibility
* */
if (apr_file_eof(fp) != APR_EOF) {
apr_size_t ds = APR_MD5_DIGESTSIZE;
rv = apr_file_read(fp, digest, &ds);
if ((rv == APR_SUCCESS || rv == APR_EOF) &&
ds == APR_MD5_DIGESTSIZE) {
rv = APR_SUCCESS;
apr_md5(digest2, ptr, nbytes);
if (memcmp(digest, digest2, APR_MD5_DIGESTSIZE)) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
APLOGNO(02551) "bad md5 match");
rv = APR_EGENERAL;
}
}
}
else {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
APLOGNO(02552) "at EOF... bypassing md5 match check (old persist file?)");
}
}
else if (nbytes != size) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
APLOGNO(02553) "Expected %" APR_SIZE_T_FMT ": Read %" APR_SIZE_T_FMT,
size, nbytes);
rv = APR_EGENERAL;
}
apr_file_close(fp);
}
}
return rv;
}
static apt_bool_t test_file_process(apt_test_suite_t *suite, const char *file_path)
{
apr_file_t *file;
char buffer[500];
apt_text_stream_t stream;
rtsp_parser_t *parser;
rtsp_generator_t *generator;
apr_size_t length;
apr_size_t offset;
rtsp_message_t *message;
apt_message_status_e msg_status;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Open File [%s]",file_path);
if(apr_file_open(&file,file_path,APR_FOPEN_READ | APR_FOPEN_BINARY,APR_OS_DEFAULT,suite->pool) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Open File");
return FALSE;
}
parser = rtsp_parser_create(suite->pool);
generator = rtsp_generator_create(suite->pool);
apt_text_stream_init(&stream,buffer,sizeof(buffer)-1);
do {
/* calculate offset remaining from the previous receive / if any */
offset = stream.pos - stream.text.buf;
/* calculate available length */
length = sizeof(buffer) - 1 - offset;
if(apr_file_read(file,stream.pos,&length) != APR_SUCCESS) {
break;
}
/* calculate actual length of the stream */
stream.text.length = offset + length;
stream.pos[length] = '\0';
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Parse RTSP Stream [%"APR_SIZE_T_FMT" bytes]\n%s",length,stream.pos);
/* reset pos */
apt_text_stream_reset(&stream);
do {
msg_status = rtsp_parser_run(parser,&stream,&message);
rtsp_message_handler(generator,message,msg_status);
}
while(apt_text_is_eos(&stream) == FALSE);
/* scroll remaining stream */
apt_text_stream_scroll(&stream);
}
while(apr_file_eof(file) != APR_EOF);
apr_file_close(file);
return TRUE;
}
static apt_bool_t test_file_process(apt_test_suite_t *suite, mrcp_resource_factory_t *factory, mrcp_version_e version, const char *file_path)
{
apr_file_t *file;
char buffer[500];
apt_text_stream_t stream;
mrcp_parser_t *parser;
mrcp_generator_t *generator;
apr_size_t length;
apr_size_t offset;
apt_str_t resource_name;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Open File [%s]",file_path);
if(apr_file_open(&file,file_path,APR_FOPEN_READ | APR_FOPEN_BINARY,APR_OS_DEFAULT,suite->pool) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Open File");
return FALSE;
}
parser = mrcp_parser_create(factory,suite->pool);
generator = mrcp_generator_create(factory,suite->pool);
apt_string_reset(&resource_name);
if(version == MRCP_VERSION_1) {
resource_name_read(file,parser);
}
apt_text_stream_init(&stream,buffer,sizeof(buffer)-1);
do {
/* init length of the stream */
stream.text.length = sizeof(buffer)-1;
/* calculate offset remaining from the previous receive / if any */
offset = stream.pos - stream.text.buf;
/* calculate available length */
length = stream.text.length - offset;
if(apr_file_read(file,stream.pos,&length) != APR_SUCCESS) {
break;
}
/* calculate actual length of the stream */
stream.text.length = offset + length;
stream.pos[length] = '\0';
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Parse MRCP Stream [%lu bytes]\n%s",length,stream.pos);
/* reset pos */
stream.pos = stream.text.buf;
mrcp_stream_walk(parser,&stream,mrcp_message_handler,generator);
}
while(apr_file_eof(file) != APR_EOF);
apr_file_close(file);
return TRUE;
}
int main(int argc,char **argv) {
apr_initialize();
apr_pool_t *pool;
apr_pool_create(&pool,NULL);
apr_status_t st;
char *filename;
if(argc > 1) {
filename=argv[1];
} else {
filename="apr_md5.c";
}
apr_md5_ctx_t md5;
apr_md5_init(&md5);
apr_file_t *file;
st=apr_file_open(&file,filename,APR_READ,APR_REG,pool);
if(st != APR_SUCCESS) {
apr_err("apr_file_open()",st);
return st;
}
apr_size_t n=1024;
char *buf=apr_pcalloc(pool,n);
while(APR_EOF != apr_file_eof(file)) {
n=1024;
st=apr_file_read(file,buf,&n);
apr_md5_update(&md5,buf,n);
}
unsigned char result[APR_MD5_DIGESTSIZE];
apr_md5_final(result,&md5);
for(int i=0;i<APR_MD5_DIGESTSIZE;i++) {
printf("%02x",result[i]);
}
printf("\n");
apr_file_close(file);
apr_pool_destroy(pool);
apr_terminate();
return 0;
}
static guint
svn_cat_command_run (AnjutaCommand *command)
{
SvnCatCommand *self;
SvnCommand *svn_command;
svn_opt_revision_t revision;
svn_opt_revision_t peg_revision;
svn_stream_t *cat_stream;
apr_file_t *cat_input;
apr_file_t *cat_output;
apr_size_t read_size;
gchar *line;
svn_error_t *error;
apr_status_t apr_error;
self = SVN_CAT_COMMAND (command);
svn_command = SVN_COMMAND (command);
apr_file_pipe_create (&cat_output, &cat_input,
svn_command_get_pool (svn_command));
apr_file_pipe_timeout_set (cat_output, 0);
apr_file_pipe_timeout_set (cat_input, 0);
cat_stream = svn_stream_from_aprfile2 (cat_input, FALSE,
svn_command_get_pool (svn_command));
revision.kind = svn_opt_revision_number;
revision.value.number = self->priv->revision;
peg_revision.kind = svn_opt_revision_unspecified;
error = svn_client_cat2 (cat_stream,
self->priv->path,
&peg_revision,
&revision,
svn_command_get_client_context (svn_command),
svn_command_get_pool (svn_command));
if (error)
{
svn_command_set_error (svn_command, error);
return 1;
}
while (apr_file_eof (cat_output) != APR_EOF)
{
read_size = 80;
line = g_new0 (gchar, (read_size + 1));
apr_error = apr_file_read (cat_output, line, &read_size);
if (apr_error)
break;
if (strlen (line))
{
anjuta_async_command_lock (ANJUTA_ASYNC_COMMAND (command));
g_queue_push_tail (self->priv->output, g_strdup (line));
anjuta_async_command_unlock (ANJUTA_ASYNC_COMMAND (command));
g_free (line);
anjuta_command_notify_data_arrived (command);
}
}
return 0;
}
//-----------------------------------------------------------------------------
// loadMotions()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::loadMotions()
{
//-------------------------------------------------------------------------
// Load named file by concatenating the character prefix with the motion name.
// Load data into a buffer to be parsed.
//-------------------------------------------------------------------------
std::string path = gDirUtilp->getExpandedFilename(LL_PATH_MOTIONS,mCharacter->getAnimationPrefix())
+ "_" + getName() + ".llp";
//-------------------------------------------------------------------------
// open the file
//-------------------------------------------------------------------------
S32 fileSize = 0;
LLAPRFile infile ;
infile.open(path, LL_APR_R, NULL, &fileSize);
apr_file_t* fp = infile.getFileHandle() ;
if (!fp || fileSize == 0)
{
llinfos << "ERROR: can't open: " << path << llendl;
return FALSE;
}
// allocate a text buffer
char *text = new char[ fileSize+1 ];
if ( !text )
{
llinfos << "ERROR: can't allocated keyframe text buffer." << llendl;
return FALSE;
}
//-------------------------------------------------------------------------
// load data from file into buffer
//-------------------------------------------------------------------------
bool error = false;
char *p = text;
while ( 1 )
{
if (apr_file_eof(fp) == APR_EOF)
{
break;
}
if (apr_file_gets(p, 1024, fp) != APR_SUCCESS)
{
error = true;
break;
}
while ( *(++p) )
;
}
//-------------------------------------------------------------------------
// close the file
//-------------------------------------------------------------------------
infile.close();
//-------------------------------------------------------------------------
// check for error
//-------------------------------------------------------------------------
llassert( p <= (text+fileSize) );
if ( error )
{
llinfos << "ERROR: error while reading from " << path << llendl;
delete [] text;
return FALSE;
}
llinfos << "Loading parametric keyframe data for: " << getName() << llendl;
//-------------------------------------------------------------------------
// parse the text and build keyframe data structures
//-------------------------------------------------------------------------
p = text;
S32 num;
char strA[80]; /* Flawfinder: ignore */
char strB[80]; /* Flawfinder: ignore */
F32 floatA = 0.0f;
//-------------------------------------------------------------------------
// get priority
//-------------------------------------------------------------------------
BOOL isFirstMotion = TRUE;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
while(1)
{
if (num == 0 || num == EOF) break;
if ((num != 3))
{
llinfos << "WARNING: can't read parametric motion" << llendl;
delete [] text;
return FALSE;
}
addKeyframeMotion(strA, gAnimLibrary.stringToAnimState(std::string(strA)), strB, floatA);
if (isFirstMotion)
{
isFirstMotion = FALSE;
setDefaultKeyframeMotion(strA);
}
p = strstr(p, "\n");
if (!p)
{
break;
}
p++;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
}
delete [] text;
return TRUE;
}
//-----------------------------------------------------------------------------
// loadMotions()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::loadMotions()
{
//-------------------------------------------------------------------------
// Load named file by concatenating the character prefix with the motion name.
// Load data into a buffer to be parsed.
//-------------------------------------------------------------------------
//std::string path = gDirUtilp->getExpandedFilename(LL_PATH_MOTIONS,mCharacter->getAnimationPrefix())
// + "_" + getName() + ".llp";
//RN: deprecated unused reference to "motion" directory
std::string path;
//-------------------------------------------------------------------------
// open the file
//-------------------------------------------------------------------------
S32 fileSize = 0;
LLAPRFile infile ;
infile.open(path, LL_APR_R, NULL, &fileSize);
// <FS:ND> Remove LLVolatileAPRPool/apr_file_t and use FILE* instead
// apr_file_t* fp = infile.getFileHandle() ;
LLAPRFile::tFiletype* fp = infile.getFileHandle() ;
// </FS:ND>
if (!fp || fileSize == 0)
{
LL_INFOS() << "ERROR: can't open: " << path << LL_ENDL;
return FALSE;
}
// allocate a text buffer
std::vector<char> text(fileSize+1);
//-------------------------------------------------------------------------
// load data from file into buffer
//-------------------------------------------------------------------------
bool error = false;
char *p = &text[0];
while ( 1 )
{
if (apr_file_eof(fp) == APR_EOF)
{
break;
}
if (apr_file_gets(p, 1024, fp) != APR_SUCCESS)
{
error = true;
break;
}
while ( *(++p) )
;
}
//-------------------------------------------------------------------------
// close the file
//-------------------------------------------------------------------------
infile.close();
//-------------------------------------------------------------------------
// check for error
//-------------------------------------------------------------------------
llassert( p <= (&text[0] + fileSize) );
if ( error )
{
LL_INFOS() << "ERROR: error while reading from " << path << LL_ENDL;
return FALSE;
}
LL_INFOS() << "Loading parametric keyframe data for: " << getName() << LL_ENDL;
//-------------------------------------------------------------------------
// parse the text and build keyframe data structures
//-------------------------------------------------------------------------
p = &text[0];
S32 num;
char strA[80]; /* Flawfinder: ignore */
char strB[80]; /* Flawfinder: ignore */
F32 floatA = 0.0f;
//-------------------------------------------------------------------------
// get priority
//-------------------------------------------------------------------------
BOOL isFirstMotion = TRUE;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
while(1)
{
if (num == 0 || num == EOF) break;
if ((num != 3))
{
LL_INFOS() << "WARNING: can't read parametric motion" << LL_ENDL;
return FALSE;
}
addKeyframeMotion(strA, gAnimLibrary.stringToAnimState(std::string(strA)), strB, floatA);
if (isFirstMotion)
{
isFirstMotion = FALSE;
setDefaultKeyframeMotion(strA);
}
p = strstr(p, "\n");
if (!p)
{
break;
}
p++;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
}
return TRUE;
}
/* Return the next *HUNK from a PATCH in APR_FILE.
* If no hunk can be found, set *HUNK to NULL.
* Set IS_PROPERTY to TRUE if we have a property hunk. If the returned HUNK
* is the first belonging to a certain property, then PROP_NAME and
* PROP_OPERATION will be set too. If we have a text hunk, PROP_NAME will be
* NULL. If IGNORE_WHITESPACE is TRUE, lines without leading spaces will be
* treated as context lines. Allocate results in RESULT_POOL.
* Use SCRATCH_POOL for all other allocations. */
static svn_error_t *
parse_next_hunk(svn_diff_hunk_t **hunk,
svn_boolean_t *is_property,
const char **prop_name,
svn_diff_operation_kind_t *prop_operation,
svn_patch_t *patch,
apr_file_t *apr_file,
svn_boolean_t ignore_whitespace,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
static const char * const minus = "--- ";
static const char * const text_atat = "@@";
static const char * const prop_atat = "##";
svn_stringbuf_t *line;
svn_boolean_t eof, in_hunk, hunk_seen;
apr_off_t pos, last_line;
apr_off_t start, end;
apr_off_t original_end;
apr_off_t modified_end;
svn_linenum_t original_lines;
svn_linenum_t modified_lines;
svn_linenum_t leading_context;
svn_linenum_t trailing_context;
svn_boolean_t changed_line_seen;
enum {
noise_line,
original_line,
modified_line,
context_line
} last_line_type;
apr_pool_t *iterpool;
*prop_operation = svn_diff_op_unchanged;
/* We only set this if we have a property hunk header. */
*prop_name = NULL;
*is_property = FALSE;
if (apr_file_eof(apr_file) == APR_EOF)
{
/* No more hunks here. */
*hunk = NULL;
return SVN_NO_ERROR;
}
in_hunk = FALSE;
hunk_seen = FALSE;
leading_context = 0;
trailing_context = 0;
changed_line_seen = FALSE;
original_end = 0;
modified_end = 0;
*hunk = apr_pcalloc(result_pool, sizeof(**hunk));
/* Get current seek position -- APR has no ftell() :( */
pos = 0;
SVN_ERR(svn_io_file_seek(apr_file, APR_CUR, &pos, scratch_pool));
/* Start out assuming noise. */
last_line_type = noise_line;
iterpool = svn_pool_create(scratch_pool);
do
{
svn_pool_clear(iterpool);
/* Remember the current line's offset, and read the line. */
last_line = pos;
SVN_ERR(readline(apr_file, &line, NULL, &eof, APR_SIZE_MAX,
iterpool, iterpool));
/* Update line offset for next iteration. */
pos = 0;
SVN_ERR(svn_io_file_seek(apr_file, APR_CUR, &pos, iterpool));
/* Lines starting with a backslash are comments, such as
* "\ No newline at end of file". */
if (line->data[0] == '\\')
{
if (in_hunk &&
((!*is_property &&
strcmp(line->data, "\\ No newline at end of file") == 0) ||
(*is_property &&
strcmp(line->data, "\\ No newline at end of property") == 0)))
{
char eolbuf[2];
apr_size_t len;
apr_off_t off;
apr_off_t hunk_text_end;
/* Comment terminates the hunk text and says the hunk text
* has no trailing EOL. Snip off trailing EOL which is part
* of the patch file but not part of the hunk text. */
off = last_line - 2;
SVN_ERR(svn_io_file_seek(apr_file, APR_SET, &off, iterpool));
len = sizeof(eolbuf);
SVN_ERR(svn_io_file_read_full2(apr_file, eolbuf, len, &len,
&eof, iterpool));
if (eolbuf[0] == '\r' && eolbuf[1] == '\n')
hunk_text_end = last_line - 2;
else if (eolbuf[1] == '\n' || eolbuf[1] == '\r')
hunk_text_end = last_line - 1;
else
hunk_text_end = last_line;
if (last_line_type == original_line && original_end == 0)
original_end = hunk_text_end;
else if (last_line_type == modified_line && modified_end == 0)
modified_end = hunk_text_end;
else if (last_line_type == context_line)
{
if (original_end == 0)
original_end = hunk_text_end;
if (modified_end == 0)
modified_end = hunk_text_end;
break;
}
SVN_ERR(svn_io_file_seek(apr_file, APR_SET, &pos, iterpool));
}
continue;
}
if (in_hunk)
{
char c;
static const char add = '+';
static const char del = '-';
if (! hunk_seen)
{
/* We're reading the first line of the hunk, so the start
* of the line just read is the hunk text's byte offset. */
start = last_line;
}
c = line->data[0];
if (original_lines > 0 && modified_lines > 0 &&
((c == ' ')
/* Tolerate chopped leading spaces on empty lines. */
|| (! eof && line->len == 0)
/* Maybe tolerate chopped leading spaces on non-empty lines. */
|| (ignore_whitespace && c != del && c != add)))
{
/* It's a "context" line in the hunk. */
hunk_seen = TRUE;
original_lines--;
modified_lines--;
if (changed_line_seen)
trailing_context++;
else
leading_context++;
last_line_type = context_line;
}
else if (original_lines > 0 && c == del)
{
/* It's a "deleted" line in the hunk. */
hunk_seen = TRUE;
changed_line_seen = TRUE;
/* A hunk may have context in the middle. We only want
trailing lines of context. */
if (trailing_context > 0)
trailing_context = 0;
original_lines--;
last_line_type = original_line;
}
else if (modified_lines > 0 && c == add)
{
/* It's an "added" line in the hunk. */
hunk_seen = TRUE;
changed_line_seen = TRUE;
/* A hunk may have context in the middle. We only want
trailing lines of context. */
if (trailing_context > 0)
trailing_context = 0;
modified_lines--;
last_line_type = modified_line;
}
else
{
if (eof)
{
/* The hunk ends at EOF. */
end = pos;
}
else
{
/* The start of the current line marks the first byte
* after the hunk text. */
end = last_line;
}
if (original_end == 0)
original_end = end;
if (modified_end == 0)
modified_end = end;
break; /* Hunk was empty or has been read. */
}
}
else
{
if (starts_with(line->data, text_atat))
{
/* Looks like we have a hunk header, try to rip it apart. */
in_hunk = parse_hunk_header(line->data, *hunk, text_atat,
iterpool);
if (in_hunk)
{
original_lines = (*hunk)->original_length;
modified_lines = (*hunk)->modified_length;
*is_property = FALSE;
}
}
else if (starts_with(line->data, prop_atat))
{
/* Looks like we have a property hunk header, try to rip it
* apart. */
in_hunk = parse_hunk_header(line->data, *hunk, prop_atat,
iterpool);
if (in_hunk)
{
original_lines = (*hunk)->original_length;
modified_lines = (*hunk)->modified_length;
*is_property = TRUE;
}
}
else if (starts_with(line->data, "Added: "))
{
SVN_ERR(parse_prop_name(prop_name, line->data, "Added: ",
result_pool));
if (*prop_name)
*prop_operation = svn_diff_op_added;
}
else if (starts_with(line->data, "Deleted: "))
{
SVN_ERR(parse_prop_name(prop_name, line->data, "Deleted: ",
result_pool));
if (*prop_name)
*prop_operation = svn_diff_op_deleted;
}
else if (starts_with(line->data, "Modified: "))
{
SVN_ERR(parse_prop_name(prop_name, line->data, "Modified: ",
result_pool));
if (*prop_name)
*prop_operation = svn_diff_op_modified;
}
else if (starts_with(line->data, minus)
|| starts_with(line->data, "diff --git "))
/* This could be a header of another patch. Bail out. */
break;
}
}
/* Check for the line length since a file may not have a newline at the
* end and we depend upon the last line to be an empty one. */
while (! eof || line->len > 0);
svn_pool_destroy(iterpool);
if (! eof)
/* Rewind to the start of the line just read, so subsequent calls
* to this function or svn_diff_parse_next_patch() don't end
* up skipping the line -- it may contain a patch or hunk header. */
SVN_ERR(svn_io_file_seek(apr_file, APR_SET, &last_line, scratch_pool));
if (hunk_seen && start < end)
{
(*hunk)->patch = patch;
(*hunk)->apr_file = apr_file;
(*hunk)->leading_context = leading_context;
(*hunk)->trailing_context = trailing_context;
(*hunk)->diff_text_range.start = start;
(*hunk)->diff_text_range.current = start;
(*hunk)->diff_text_range.end = end;
(*hunk)->original_text_range.start = start;
(*hunk)->original_text_range.current = start;
(*hunk)->original_text_range.end = original_end;
(*hunk)->modified_text_range.start = start;
(*hunk)->modified_text_range.current = start;
(*hunk)->modified_text_range.end = modified_end;
}
else
/* Something went wrong, just discard the result. */
*hunk = NULL;
return SVN_NO_ERROR;
}
svn_error_t *
svn_diff_parse_next_patch(svn_patch_t **patch,
svn_patch_file_t *patch_file,
svn_boolean_t reverse,
svn_boolean_t ignore_whitespace,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
apr_off_t pos, last_line;
svn_boolean_t eof;
svn_boolean_t line_after_tree_header_read = FALSE;
apr_pool_t *iterpool;
enum parse_state state = state_start;
if (apr_file_eof(patch_file->apr_file) == APR_EOF)
{
/* No more patches here. */
*patch = NULL;
return SVN_NO_ERROR;
}
*patch = apr_pcalloc(result_pool, sizeof(**patch));
pos = patch_file->next_patch_offset;
SVN_ERR(svn_io_file_seek(patch_file->apr_file, APR_SET, &pos, scratch_pool));
iterpool = svn_pool_create(scratch_pool);
do
{
svn_stringbuf_t *line;
svn_boolean_t valid_header_line = FALSE;
int i;
svn_pool_clear(iterpool);
/* Remember the current line's offset, and read the line. */
last_line = pos;
SVN_ERR(readline(patch_file->apr_file, &line, NULL, &eof,
APR_SIZE_MAX, iterpool, iterpool));
if (! eof)
{
/* Update line offset for next iteration. */
pos = 0;
SVN_ERR(svn_io_file_seek(patch_file->apr_file, APR_CUR, &pos,
iterpool));
}
/* Run the state machine. */
for (i = 0; i < (sizeof(transitions) / sizeof(transitions[0])); i++)
{
if (line->len > strlen(transitions[i].expected_input)
&& starts_with(line->data, transitions[i].expected_input)
&& state == transitions[i].required_state)
{
SVN_ERR(transitions[i].fn(&state, line->data, *patch,
result_pool, iterpool));
valid_header_line = TRUE;
break;
}
}
if (state == state_unidiff_found || state == state_git_header_found)
{
/* We have a valid diff header, yay! */
break;
}
else if (state == state_git_tree_seen && line_after_tree_header_read)
{
/* We have a valid diff header for a patch with only tree changes.
* Rewind to the start of the line just read, so subsequent calls
* to this function don't end up skipping the line -- it may
* contain a patch. */
SVN_ERR(svn_io_file_seek(patch_file->apr_file, APR_SET, &last_line,
scratch_pool));
break;
}
else if (state == state_git_tree_seen)
{
line_after_tree_header_read = TRUE;
}
else if (! valid_header_line && state != state_start)
{
/* We've encountered an invalid diff header.
*
* Rewind to the start of the line just read - it may be a new
* header that begins there. */
SVN_ERR(svn_io_file_seek(patch_file->apr_file, APR_SET, &last_line,
scratch_pool));
state = state_start;
}
}
while (! eof);
(*patch)->reverse = reverse;
if (reverse)
{
const char *temp;
temp = (*patch)->old_filename;
(*patch)->old_filename = (*patch)->new_filename;
(*patch)->new_filename = temp;
}
if ((*patch)->old_filename == NULL || (*patch)->new_filename == NULL)
{
/* Something went wrong, just discard the result. */
*patch = NULL;
}
else
SVN_ERR(parse_hunks(*patch, patch_file->apr_file, ignore_whitespace,
result_pool, iterpool));
svn_pool_destroy(iterpool);
patch_file->next_patch_offset = 0;
SVN_ERR(svn_io_file_seek(patch_file->apr_file, APR_CUR,
&patch_file->next_patch_offset, scratch_pool));
if (*patch)
{
/* Usually, hunks appear in the patch sorted by their original line
* offset. But just in case they weren't parsed in this order for
* some reason, we sort them so that our caller can assume that hunks
* are sorted as if parsed from a usual patch. */
qsort((*patch)->hunks->elts, (*patch)->hunks->nelts,
(*patch)->hunks->elt_size, compare_hunks);
}
return SVN_NO_ERROR;
}
