Initial commit

engines/ags/engine/ac/global_string.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ags/shared/ac/common.h"
+#include "ags/engine/ac/global_string.h"
+#include "ags/engine/ac/global_translation.h"
+#include "ags/engine/ac/runtime_defines.h"
+#include "ags/engine/ac/string.h"
+#include "ags/shared/util/string_compat.h"
+#include "ags/globals.h"
+
+namespace AGS3 {
+
+int StrGetCharAt(const char *strin, int posn) {
+	if ((posn < 0) || (static_cast<size_t>(posn) >= strlen(strin)))
+		return 0;
+	return strin[posn];
+}
+
+void StrSetCharAt(char *strin, int posn, int nchar) {
+	size_t len = strlen(strin);
+	if ((posn < 0) || (static_cast<size_t>(posn) > len) || (posn >= MAX_MAXSTRLEN))
+		quit("!StrSetCharAt: tried to write past end of string");
+
+	strin[posn] = static_cast<char>(nchar);
+	if (static_cast<size_t>(posn) == len)
+		strin[posn + 1] = 0;
+	commit_scstr_update(strin);
+}
+
+void _sc_strcat(char *s1, const char *s2) {
+	VALIDATE_STRING(s2);
+	size_t buflen = check_scstrcapacity(s1);
+	size_t s1_len = strlen(s1);
+	size_t buf_avail = (buflen - s1_len);
+	snprintf(s1 + s1_len, buf_avail, "%s", s2);
+	commit_scstr_update(s1);
+}
+
+void _sc_strlower(char *desbuf) {
+	VALIDATE_STRING(desbuf);
+	ags_strlwr(desbuf);
+	commit_scstr_update(desbuf);
+}
+
+void _sc_strupper(char *desbuf) {
+	VALIDATE_STRING(desbuf);
+	ags_strupr(desbuf);
+	commit_scstr_update(desbuf);
+}
+
+void _sc_strcpy(char *destt, const char *text) {
+	VALIDATE_STRING(destt);
+	size_t buflen = check_scstrcapacity(destt);
+	snprintf(destt, buflen, "%s", text);
+	commit_scstr_update(destt);
+}
+
+} // namespace AGS3