types refactoring

[m6w6/ext-psi] / src / types / decl_file.c

diff --git a/src/types/decl_file.c b/src/types/decl_file.c
new file mode 100644 (file)
index 0000000..8bd7936
--- /dev/null
+++ b/src/types/decl_file.c
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#else
+# include "php_config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <dlfcn.h>
+
+#include "data.h"
+
+void free_decl_file(decl_file* file) {
+       if (file->ln) {
+               free(file->ln);
+       }
+       if (file->fn) {
+               free(file->fn);
+       }
+       memset(file, 0, sizeof(*file));
+}
+
+int validate_file(struct psi_data *data, void **dlopened) {
+       char lib[MAXPATHLEN];
+       const char *ptr = data->psi.file.ln;
+       size_t len;
+
+       if (!ptr) {
+               /* FIXME: assume stdlib */
+               return 1;
+       } else if (!strchr(ptr, '/')) {
+               len = snprintf(lib, MAXPATHLEN, "lib%s.%s", ptr, PHP_PSI_SHLIB_SUFFIX);
+               if (MAXPATHLEN == len) {
+                       data->error(data, NULL, PSI_WARNING, "Library name too long: '%s'", ptr);
+               }
+               lib[len] = 0;
+               ptr = lib;
+       }
+       if (!(*dlopened = dlopen(ptr, RTLD_LAZY|RTLD_LOCAL))) {
+               data->error(data, NULL, PSI_WARNING, "Could not open library '%s': %s.",
+                               data->psi.file.ln, dlerror());
+               return 0;
+       }
+       return 1;
+}