- Remove some unneeded files

- Mass rename .c to .cpp

svn-id: r38227

1 files changed, 227 insertions, 0 deletions

diff --git a/engines/sci/scicore/resource_patch.cpp b/engines/sci/scicore/resource_patch.cpp
new file mode 100644
index 0000000000..037b082476
--- /dev/null
+++ b/engines/sci/scicore/resource_patch.cpp
@@ -0,0 +1,227 @@
+/***************************************************************************
+ resource_patch.c  Copyright (C) 2001 Christoph Reichenbach
+
+
+ This program may be modified and copied freely according to the terms of
+ the GNU general public license (GPL), as long as the above copyright
+ notice and the licensing information contained herein are preserved.
+
+ Please refer to www.gnu.org for licensing details.
+
+ This work is provided AS IS, without warranty of any kind, expressed or
+ implied, including but not limited to the warranties of merchantibility,
+ noninfringement, and fitness for a specific purpose. The author will not
+ be held liable for any damage caused by this work or derivatives of it.
+
+ By using this source code, you agree to the licensing terms as stated
+ above.
+
+
+ Please contact the maintainer for bug reports or inquiries.
+
+ Current Maintainer:
+
+    Christoph Reichenbach (CR) <jameson@linuxgames.com>
+
+***************************************************************************/
+
+
+#include "sci/include/sciresource.h"
+#include "sci/include/sci_memory.h"
+
+#ifdef _WIN32
+#include <direct.h>
+#endif
+
+void
+sci0_sprintf_patch_file_name(char *string, resource_t *res)
+{
+	sprintf(string, "%s.%03i", sci_resource_types[res->type], res->number);
+}
+
+void
+sci1_sprintf_patch_file_name(char *string, resource_t *res)
+{
+	sprintf(string, "%d.%s", res->number, sci_resource_type_suffixes[res->type]);
+}
+
+/* version-agnostic patch application */
+static void
+process_patch(resource_source_t *source,
+	      char *entry, int restype, int resnumber, resource_t **resource_p, int *resource_nr_p)
+{
+	int fsize;
+	char filename[MAXPATHLEN];
+
+	if (restype == sci_invalid_resource)
+		return;
+
+	printf("Patching \"%s\": ", entry);
+
+	sprintf(filename, "%s%s", source->location.dir.name, entry);
+	fsize = sci_file_size(filename);
+	if (fsize < 0)
+		perror("""__FILE__"": (""__LINE__""): sci_file_size()");
+	else {
+		int file;
+		guint8 filehdr[2];
+		resource_t *newrsc = _scir_find_resource_unsorted(*resource_p,
+								  *resource_nr_p,
+								  restype,
+								  resnumber);
+
+		if (fsize < 3) {
+			printf("File too small\n");
+			return;
+		}
+
+		file = open(entry, O_RDONLY);
+		if (!IS_VALID_FD(file))
+			perror("""__FILE__"": (""__LINE__""): open()");
+		else {
+			int patch_data_offset;
+
+			read(file, filehdr, 2);
+
+			patch_data_offset = filehdr[1];
+
+			if ((filehdr[0] & 0x7f) != restype) {
+				printf("Failed; resource type mismatch\n");
+				close(file);
+			} else if (patch_data_offset + 2 >= fsize) {
+				printf("Failed; patch starting at offset %d can't be in file of size %d\n", filehdr[1] + 2, fsize);
+				close(file);
+			} else {
+				/* Adjust for file offset */
+				fsize -= patch_data_offset;
+
+				/* Prepare destination, if neccessary */
+				if (!newrsc) {
+					/* Completely new resource! */
+					++(*resource_nr_p);
+					*resource_p = (resource_t*)sci_realloc(*resource_p,
+									       *resource_nr_p
+									       * sizeof(resource_t));
+					newrsc = (*resource_p-1) + *resource_nr_p;
+					newrsc->alt_sources = NULL;
+				}
+
+				/* Overwrite everything, because we're patching */
+				newrsc->size = fsize - 2;
+				newrsc->id = restype << 11 | resnumber;
+				newrsc->number = resnumber;
+				newrsc->status = SCI_STATUS_NOMALLOC;
+				newrsc->type = restype;
+				newrsc->source = source;
+				newrsc->file_offset = 2 + patch_data_offset;
+
+				_scir_add_altsource(newrsc, source, 2);
+
+				close(file);
+
+				printf("OK\n");
+
+			}
+		}
+	}
+}
+
+
+int
+sci0_read_resource_patches(resource_source_t *source, resource_t **resource_p, int *resource_nr_p)
+{
+	sci_dir_t dir;
+	char *entry;
+	char *caller_cwd = sci_getcwd();
+
+	chdir(source->location.dir.name);
+	sci_init_dir(&dir);
+	entry = sci_find_first(&dir, "*.???");
+	while (entry) {
+		int restype = sci_invalid_resource;
+		int resnumber = -1;
+		int i;
+		unsigned int resname_len;
+		char *endptr;
+
+		for (i = sci_view; i < sci_invalid_resource; i++)
+			if (strncasecmp(sci_resource_types[i], entry,
+					strlen(sci_resource_types[i])) == 0)
+				restype = i;
+
+		if (restype != sci_invalid_resource) {
+
+			resname_len = strlen(sci_resource_types[restype]);
+			if (entry[resname_len] != '.')
+				restype = sci_invalid_resource;
+			else {
+				resnumber = strtol(entry + 1 + resname_len,
+						   &endptr, 10); /* Get resource number */
+				if ((*endptr != '\0') || (resname_len+1 == strlen(entry)))
+					restype = sci_invalid_resource;
+
+				if ((resnumber < 0) || (resnumber > 1000))
+					restype = sci_invalid_resource;
+			}
+		}
+
+		process_patch (source, entry, restype, resnumber, resource_p, resource_nr_p);
+
+		entry = sci_find_next(&dir);
+	}
+
+	chdir(caller_cwd);
+	free(caller_cwd);
+	return 0;
+}
+
+int
+sci1_read_resource_patches(resource_source_t *source, resource_t **resource_p, int *resource_nr_p)
+{
+	sci_dir_t dir;
+	char *entry;
+	char *caller_cwd = sci_getcwd();
+
+	chdir(source->location.dir.name);
+	sci_init_dir(&dir);
+	entry = sci_find_first(&dir, "*.*");
+	while (entry) {
+		int restype = sci_invalid_resource;
+		int resnumber = -1;
+		int i;
+		char *endptr;
+		char *dot = strchr(entry, '.');
+
+		for (i = sci_view; i < sci_invalid_resource; i++) {
+			if (dot != NULL) {
+				if (strncasecmp(sci_resource_type_suffixes[i], dot+1, 3) == 0) {
+					restype = i;
+				}
+			}
+		}
+
+		if (restype != sci_invalid_resource) {
+
+		  resnumber = strtol(entry,
+				     &endptr, 10); /* Get resource number */
+
+		  if (endptr != dot)
+			  restype = sci_invalid_resource;
+
+		  if (*(dot + 4) != '\0')
+			  restype = sci_invalid_resource;
+		  
+		  if ((resnumber < 0) || (resnumber > 8192))
+			  restype = sci_invalid_resource;
+		}
+
+		process_patch (source, entry, restype, resnumber, resource_p, resource_nr_p);
+
+		entry = sci_find_next(&dir);
+	}
+
+	chdir(caller_cwd);
+	free(caller_cwd);
+	return 0;
+}
+