EmuProxyZA / mfs attr.c

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Source

  1. #include "mfs-utils/mfs.h"
  2. #include <string.h>
  3.  
  4. int mfs_init_done = 0;
  5.  
  6. void mfs_check_init() {
  7. 	if (mfs_init_done == 0) {
  8. 		mfs_init();
  9. 		mfs_init_done = 1;
  10. 	}
  11. }
  12.  
  13. int mfs_fsid(const char *pathin) {
  14. 	mfs_check_init();
  15. 	return mfs_resolve(pathin);
  16. }
  17.  
  18. int mfs_attr_set_int(char *object, char *attribute, int value) {
  19. 	mfs_check_init();
  20. 	return mfs_attr_set(object, attribute, &value);
  21. }
  22.  
  23. int mfs_attr_set_str(char *object, char *attribute, char *value) {
  24. 	mfs_check_init();
  25. 	return mfs_attr_set(object, attribute, value);
  26. }
  27.  
  28. int mfs_attr_get_int(char *object, char *attribute) {
  29. 	int fsid;
  30. 	mfs_check_init();
  31. 	fsid = mfs_resolve(object);
  32. 	return query_int(fsid, attribute);
  33. }
  34.  
  35. char *mfs_attr_get_str(char *object, char *attribute) {
  36. 	int fsid;
  37. 	mfs_check_init();
  38. 	fsid = mfs_resolve(object);
  39. 	return query_string(fsid, attribute);
  40. }
  41.  
  42.  
  43. int mfs_attr_set(char *object, char *attribute, void *value)
  44. {
  45. 	int fsid;
  46. 	int found = 0;
  47. 	char *err = NULL;
  48.  
  49. 	static void callback(int fsid, struct mfs_subobj_header *obj, struct mfs_attr_header *attr, void *data)
  50. 	{
  51. 		char *p = data;
  52. 		if(obj && attr) {
  53. 			if (attr->attr == 1) { // Version
  54. 				int ver = ntohl(*(int *)data);
  55. 				*(int *)p = htonl(++ver);
  56. 			}
  57. 			else if (!strcmp(schema_attrib(obj->obj_type,attr->attr), attribute)) { //Specified attribute
  58. 				switch (attr->eltype>>6) {
  59. 				case TYPE_STRING:
  60. 					strcpy((char *)&p[0], (char *)value);
  61. 					found = 1;
  62. 					break;
  63.  
  64. 				case TYPE_FILE:
  65. 					break;
  66.  
  67. 				case TYPE_INT:
  68. 					*(int *)p = htonl( *(int *)value );
  69. 					found = 1;
  70. 					break;
  71.  
  72. 				case TYPE_OBJECT:
  73. 					break;
  74. 				}
  75.  
  76. 			}
  77.  
  78. 		}
  79. 	}
  80.  
  81. 	mfs_check_init();
  82.  
  83. 	if (!object)
  84. 		err = "object is null";
  85. 	else if (!strcmp(object, ""))
  86. 		err = "object is an empty string";
  87. 	else if (!attribute)
  88. 		err = "attribute is null";
  89. 	else if (!strcmp(attribute, ""))
  90. 		err = "attribute is an empty string";
  91. 	else if (!value)
  92. 		err = "value is null";
  93.  
  94. 	if (err) {
  95. 		fprintf(stderr, "dbset error: %s (Object: '%s', Attribute: '%s', Value: '%s')\n", err, object, attribute, value);
  96. 		return 0;
  97. 	}
  98.  
  99. 	fsid = mfs_resolve(object);
  100. 	if (fsid > 0) {
  101. 		u32 size = mfs_fsid_size(fsid);
  102. 		char *buf=alloca(size);
  103. 		mfs_fsid_pread(fsid, buf, 0, size );
  104. 		parse_object(fsid, buf, callback);
  105. 		if (found)
  106. 			mfs_fsid_pwrite(fsid, buf, 0, size);
  107. 	}
  108.  
  109. 	return found;
  110. }
  111.
[edit]

Change Log

20 Oct 2006 - TivoZA: Uploaded the file

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