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Reduce unnecessary filter applications when stream is (read|write) only

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This commit is contained in:
Sara Golemon 2003-02-20 20:05:31 +00:00
parent e645f20d07
commit 2002ca0203
1 changed files with 9 additions and 1 deletions
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10
ext/standard/php_fopen_wrapper.c
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@ -150,6 +150,7 @@ static void php_stream_apply_filter_list(php_stream *stream, char *filterlist, i
php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC)
{
int fd = -1;
int mode_rw = 0;
php_stream * stream = NULL;
char *p, *token, *pathdup;
@ -179,6 +180,13 @@ php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, ch
}
if (!strncasecmp(path, "filter/", 7)) {
/* Save time/memory when chain isn't specified */
if (strchr(mode, 'r') || strchr(mode, '+')) {
mode_rw |= PHP_STREAM_FILTER_READ;
}
if (strchr(mode, 'w') || strchr(mode, '+') || strchr(mode, 'a')) {
mode_rw |= PHP_STREAM_FILTER_WRITE;
}
pathdup = estrndup(path + 6, strlen(path + 6));
p = strstr(pathdup, "/resource=");
if (!p) {
@ -200,7 +208,7 @@ php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, ch
} else if (!strncasecmp(p, "write=", 6)) {
php_stream_apply_filter_list(stream, p + 6, 0, 1 TSRMLS_CC);
} else {
php_stream_apply_filter_list(stream, p, 1, 1 TSRMLS_CC);
php_stream_apply_filter_list(stream, p, mode_rw & PHP_STREAM_FILTER_READ, mode_rw & PHP_STREAM_FILTER_WRITE TSRMLS_CC);
}
p = php_strtok_r(NULL, "/", &token);
}