* SUCH DAMAGE.
*/
-static FILE *php_do_open_temporary_file(char *path, const char *pfx, char **opened_path_p TSRMLS_DC)
+static FILE *php_do_open_temporary_file(const char *path, const char *pfx, char **opened_path_p TSRMLS_DC)
{
- char *trailing_slash;
- FILE *fp;
- char *opened_path;
+ char *trailing_slash;
+ FILE *fp;
+ char *opened_path;
#ifndef PHP_WIN32
- int fd;
+ int fd;
#endif
- if (!path) {
- return NULL;
- }
+ if (!path) {
+ return NULL;
+ }
- if (!(opened_path = emalloc(MAXPATHLEN))) {
- return NULL;
- }
+ if (!(opened_path = emalloc(MAXPATHLEN))) {
+ return NULL;
+ }
- if (path[strlen(path)-1] == '/') {
- trailing_slash = "";
- } else {
- trailing_slash = "/";
- }
+ if (path[strlen(path)-1] == '/') {
+ trailing_slash = "";
+ } else {
+ trailing_slash = "/";
+ }
- (void)snprintf(opened_path, MAXPATHLEN, "%s%s%sXXXXXX", path, trailing_slash, pfx);
+ (void)snprintf(opened_path, MAXPATHLEN, "%s%s%sXXXXXX", path, trailing_slash, pfx);
#ifdef PHP_WIN32
- if (GetTempFileName(path, pfx, 0, opened_path)) {
- fp = VCWD_FOPEN(opened_path, "wb");
- } else {
- fp = NULL;
- }
+ if (GetTempFileName(path, pfx, 0, opened_path)) {
+ fp = VCWD_FOPEN(opened_path, "wb");
+ } else {
+ fp = NULL;
+ }
#elif defined(HAVE_MKSTEMP)
- fd = mkstemp(opened_path);
- if (fd==-1) {
- fp = NULL;
- } else {
- fp = fdopen(fd, "wb");
- }
+ fd = mkstemp(opened_path);
+ if (fd==-1) {
+ fp = NULL;
+ } else {
+ fp = fdopen(fd, "wb");
+ }
#else
- if (mktemp(opened_path)) {
- fp = VCWD_FOPEN(opened_path, "wb");
- } else {
- fp = NULL;
- }
+ if (mktemp(opened_path)) {
+ fp = VCWD_FOPEN(opened_path, "wb");
+ } else {
+ fp = NULL;
+ }
#endif
- if (!fp || !opened_path_p) {
- efree(opened_path);
- } else {
- *opened_path_p = opened_path;
- }
- return fp;
+ if (!fp || !opened_path_p) {
+ efree(opened_path);
+ } else {
+ *opened_path_p = opened_path;
+ }
+ return fp;
}
/* }}} */
+/*
+ * Determine where to place temporary files.
+ */
+const char* get_temporary_directory()
+{
+ /* Cache the chosen temporary directory. */
+ static char* temporary_directory;
+
+ /* Did we determine the temporary directory already? */
+ if (temporary_directory) {
+ return temporary_directory;
+ }
+
+#ifdef PHP_WIN32
+ /* We can't count on the environment variables TEMP or TMP,
+ * and so must make the Win32 API call to get the default
+ * directory for temporary files. Note this call checks
+ * the environment values TMP and TEMP (in order) first.
+ */
+ {
+ char sTemp[MAX_PATH];
+ DWORD n = GetTempPath(sizeof(sTemp),sTemp);
+ assert(0 < n); /* should *never* fail! */
+ temporary_directory = strdup(sTemp);
+ return temporary_directory;
+ }
+#else
+ /* On Unix use the (usual) TMPDIR environment variable. */
+ {
+ char* s = getenv("TMPDIR");
+ if (s) {
+ temporary_directory = strdup(s);
+ return temporary_directory;
+ }
+ }
+#ifdef P_tmpdir
+ /* Use the standard default temporary directory. */
+ if (P_tmpdir) {
+ temporary_directory = P_tmpdir;
+ return temporary_directory;
+ }
+#endif
+ /* Shouldn't ever(!) end up here ... last ditch default. */
+ temporary_directory = "/tmp";
+ return temporary_directory;
+#endif
+}
+
/* {{{ php_open_temporary_file
*
* Unlike tempnam(), the supplied dir argument takes precedence
*/
PHPAPI FILE *php_open_temporary_file(const char *dir, const char *pfx, char **opened_path_p TSRMLS_DC)
{
- static char path_tmp[] = "/tmp";
- FILE *fp;
-
-
- if (!pfx) {
- pfx = "tmp.";
- }
-
- if (opened_path_p) {
- *opened_path_p = NULL;
- }
-
- if ((fp=php_do_open_temporary_file((char *) dir, pfx, opened_path_p TSRMLS_CC))) {
- return fp;
- }
-
- if ((fp=php_do_open_temporary_file(getenv("TMPDIR"), pfx, opened_path_p TSRMLS_CC))) {
- return fp;
- }
-#if PHP_WIN32
- {
- char *TempPath;
-
- TempPath = (char *) emalloc(MAXPATHLEN);
- if (GetTempPath(MAXPATHLEN, TempPath)) {
- fp = php_do_open_temporary_file(TempPath, pfx, opened_path_p TSRMLS_CC);
- }
- efree(TempPath);
- return fp;
- }
-#else
- if ((fp=php_do_open_temporary_file(P_tmpdir, pfx, opened_path_p TSRMLS_CC))) {
- return fp;
- }
-
- if ((fp=php_do_open_temporary_file(path_tmp, pfx, opened_path_p TSRMLS_CC))) {
- return fp;
- }
-#endif
-
- return NULL;
+ FILE* fp = 0;
+
+ if (!pfx) {
+ pfx = "tmp.";
+ }
+ if (opened_path_p) {
+ *opened_path_p = NULL;
+ }
+
+ /* Try the directory given as parameter. */
+ fp = php_do_open_temporary_file(dir, pfx, opened_path_p TSRMLS_CC);
+ if (fp) {
+ return fp;
+ }
+
+ /* Use default temporary directory. */
+ fp = php_do_open_temporary_file(get_temporary_directory(), pfx, opened_path_p TSRMLS_CC);
+ if (fp) {
+ return fp;
+ }
+
+ return 0;
}
/* }}} */