add cyrussasl, iconv, openssl to libs for optional usage (if system does not provide)

libs/openssl/crypto/LPdir_win.c

@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2004, Richard Levitte <richard@levitte.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ */
+#include <windows.h>
+#include <tchar.h>
+#ifndef LPDIR_H
+# include "LPdir.h"
+#endif
+
+/*
+ * We're most likely overcautious here, but let's reserve for broken WinCE
+ * headers and explicitly opt for UNICODE call. Keep in mind that our WinCE
+ * builds are compiled with -DUNICODE [as well as -D_UNICODE].
+ */
+#if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
+# define FindFirstFile FindFirstFileW
+#endif
+#if defined(LP_SYS_WINCE) && !defined(FindNextFile)
+# define FindNextFile FindNextFileW
+#endif
+
+#ifndef NAME_MAX
+# define NAME_MAX 255
+#endif
+
+struct LP_dir_context_st {
+    WIN32_FIND_DATA ctx;
+    HANDLE handle;
+    char entry_name[NAME_MAX + 1];
+};
+
+const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
+{
+    if (ctx == NULL || directory == NULL) {
+        errno = EINVAL;
+        return 0;
+    }
+
+    errno = 0;
+    if (*ctx == NULL) {
+        const char *extdir = directory;
+        char *extdirbuf = NULL;
+        size_t dirlen = strlen(directory);
+
+        if (dirlen == 0) {
+            errno = ENOENT;
+            return 0;
+        }
+
+        *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX));
+        if (*ctx == NULL) {
+            errno = ENOMEM;
+            return 0;
+        }
+        memset(*ctx, '\0', sizeof(LP_DIR_CTX));
+
+        if (directory[dirlen - 1] != '*') {
+            extdirbuf = (char *)malloc(dirlen + 3);
+            if (extdirbuf == NULL) {
+                free(*ctx);
+                *ctx = NULL;
+                errno = ENOMEM;
+                return 0;
+            }
+            if (directory[dirlen - 1] != '/' && directory[dirlen - 1] != '\\')
+                extdir = strcat(strcpy(extdirbuf, directory), "/*");
+            else
+                extdir = strcat(strcpy(extdirbuf, directory), "*");
+        }
+
+        if (sizeof(TCHAR) != sizeof(char)) {
+            TCHAR *wdir = NULL;
+            /* len_0 denotes string length *with* trailing 0 */
+            size_t index = 0, len_0 = strlen(extdir) + 1;
+
+            wdir = (TCHAR *)calloc(len_0, sizeof(TCHAR));
+            if (wdir == NULL) {
+                if (extdirbuf != NULL) {
+                    free(extdirbuf);
+                }
+                free(*ctx);
+                *ctx = NULL;
+                errno = ENOMEM;
+                return 0;
+            }
+#ifdef LP_MULTIBYTE_AVAILABLE
+            if (!MultiByteToWideChar
+                (CP_ACP, 0, extdir, len_0, (WCHAR *)wdir, len_0))
+#endif
+                for (index = 0; index < len_0; index++)
+                    wdir[index] = (TCHAR)extdir[index];
+
+            (*ctx)->handle = FindFirstFile(wdir, &(*ctx)->ctx);
+
+            free(wdir);
+        } else {
+            (*ctx)->handle = FindFirstFile((TCHAR *)extdir, &(*ctx)->ctx);
+        }
+        if (extdirbuf != NULL) {
+            free(extdirbuf);
+        }
+
+        if ((*ctx)->handle == INVALID_HANDLE_VALUE) {
+            free(*ctx);
+            *ctx = NULL;
+            errno = EINVAL;
+            return 0;
+        }
+    } else {
+        if (FindNextFile((*ctx)->handle, &(*ctx)->ctx) == FALSE) {
+            return 0;
+        }
+    }
+    if (sizeof(TCHAR) != sizeof(char)) {
+        TCHAR *wdir = (*ctx)->ctx.cFileName;
+        size_t index, len_0 = 0;
+
+        while (wdir[len_0] && len_0 < (sizeof((*ctx)->entry_name) - 1))
+            len_0++;
+        len_0++;
+
+#ifdef LP_MULTIBYTE_AVAILABLE
+        if (!WideCharToMultiByte
+            (CP_ACP, 0, (WCHAR *)wdir, len_0, (*ctx)->entry_name,
+             sizeof((*ctx)->entry_name), NULL, 0))
+#endif
+            for (index = 0; index < len_0; index++)
+                (*ctx)->entry_name[index] = (char)wdir[index];
+    } else
+        strncpy((*ctx)->entry_name, (const char *)(*ctx)->ctx.cFileName,
+                sizeof((*ctx)->entry_name) - 1);
+
+    (*ctx)->entry_name[sizeof((*ctx)->entry_name) - 1] = '\0';
+
+    return (*ctx)->entry_name;
+}
+
+int LP_find_file_end(LP_DIR_CTX **ctx)
+{
+    if (ctx != NULL && *ctx != NULL) {
+        FindClose((*ctx)->handle);
+        free(*ctx);
+        *ctx = NULL;
+        return 1;
+    }
+    errno = EINVAL;
+    return 0;
+}