author  Ryan C. Gordon <icculus@icculus.org> 
Mon, 09 Jul 2001 00:49:41 +0000  
changeset 24  b050804123a3 
child 26  575e03541d5e 
permissions  rwrr 
24
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

1 
/* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

2 
* GRP support routines for PhysicsFS. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

3 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

4 
* This driver handles BUILD engine archives ("groupfiles"). This format 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

5 
* (but not this driver) was put together by Ken Silverman. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

6 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

7 
* The format is simple enough. In Ken's words: 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

8 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

9 
* What's the .GRP file format? 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

10 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

11 
* The ".grp" file format is just a collection of a lot of files stored 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

12 
* into 1 big one. I tried to make the format as simple as possible: The 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

13 
* first 12 bytes contains my name, "KenSilverman". The next 4 bytes is 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

14 
* the number of files that were compacted into the group file. Then for 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

15 
* each file, there is a 16 byte structure, where the first 12 bytes are 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

16 
* the filename, and the last 4 bytes are the file's size. The rest of 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

17 
* the group file is just the raw data packed one after the other in the 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

18 
* same order as the list of files. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

19 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

20 
* (That info is from http://www.advsys.net/ken/build.htm ...) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

21 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

22 
* As it was never a concern in the DOSbased Duke Nukem days, I treat these 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

23 
* archives as CASEINSENSITIVE. Opening "myfile.txt" and "MYFILE.TXT" both 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

24 
* work, and get the same file. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

25 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

26 
* Please see the file LICENSE in the source's root directory. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

27 
* 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

28 
* This file written by Ryan C. Gordon. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

29 
*/ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

30 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

31 
#include <stdio.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

32 
#include <stdlib.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

33 
#include <string.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

34 
#include <errno.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

35 
#include <sys/stat.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

36 
#include <sys/types.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

37 
#include <fcntl.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

38 
#include <unistd.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

39 
#include <assert.h> 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

40 
#include "physfs.h" 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

41 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

42 
#define __PHYSICSFS_INTERNAL__ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

43 
#include "physfs_internal.h" 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

44 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

45 
#if (!defined PHYSFS_SUPPORTS_GRP) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

46 
#error PHYSFS_SUPPORTS_GRP must be defined. 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

47 
#endif 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

48 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

49 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

50 
typedef struct 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

51 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

52 
FILE *handle; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

53 
int totalEntries; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

54 
} GRPinfo; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

55 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

56 
typedef struct 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

57 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

58 
int startPos; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

59 
int curPos; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

60 
int size; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

61 
} GRPfileinfo; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

62 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

63 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

64 
extern const DirFunctions __PHYSFS_DirFunctions_GRP; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

65 
static const FileFunctions __PHYSFS_FileFunctions_GRP; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

66 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

67 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

68 
static int GRP_read(FileHandle *handle, void *buffer, 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

69 
unsigned int objSize, unsigned int objCount) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

70 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

71 
GRPfileinfo *finfo = (GRPfileinfo *) (handle>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

72 
FILE *fh = (FILE *) (((GRPinfo *) (handle>dirHandle>opaque))>handle); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

73 
int bytesLeft = (finfo>startPos + finfo>size)  finfo>curPos; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

74 
int objsLeft = bytesLeft / objSize; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

75 
int retval = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

76 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

77 
if (objsLeft < objCount) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

78 
objCount = objsLeft; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

79 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

80 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

81 
BAIL_IF_MACRO(fseek(fh,finfo>curPos,SEEK_SET) == 1,strerror(errno),1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

82 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

83 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

84 
retval = fread(buffer, objSize, objCount, fh); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

85 
finfo>curPos += retval; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

86 
BAIL_IF_MACRO((retval < objCount) && (ferror(fh)),strerror(errno),retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

87 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

88 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

89 
} /* GRP_read */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

90 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

91 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

92 
static int GRP_eof(FileHandle *handle) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

93 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

94 
GRPfileinfo *finfo = (GRPfileinfo *) (handle>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

95 
return(finfo>curPos >= finfo>startPos + finfo>size); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

96 
} /* GRP_eof */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

97 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

98 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

99 
static int GRP_tell(FileHandle *handle) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

100 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

101 
GRPfileinfo *finfo = (GRPfileinfo *) (handle>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

102 
return(finfo>curPos  finfo>startPos); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

103 
} /* GRP_tell */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

104 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

105 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

106 
static int GRP_seek(FileHandle *handle, int offset) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

107 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

108 
GRPfileinfo *finfo = (GRPfileinfo *) (handle>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

109 
int newPos = finfo>curPos + offset; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

110 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

111 
BAIL_IF_MACRO(offset < 0, ERR_INVALID_ARGUMENT, 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

112 
BAIL_IF_MACRO(newPos > finfo>startPos + finfo>size, ERR_PAST_EOF, 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

113 
finfo>curPos = newPos; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

114 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

115 
} /* GRP_seek */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

116 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

117 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

118 
static int GRP_fileClose(FileHandle *handle) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

119 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

120 
free(handle>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

121 
free(handle); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

122 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

123 
} /* GRP_fileClose */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

124 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

125 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

126 
static int openGrp(const char *filename, int forWriting, FILE **fh, int *count) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

127 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

128 
char buf[12]; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

129 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

130 
assert(sizeof (int) == 4); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

131 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

132 
*fh = NULL; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

133 
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

134 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

135 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

136 
*fh = fopen(filename, "rb"); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

137 
BAIL_IF_MACRO(*fh == NULL, strerror(errno), 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

138 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

139 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

140 
BAIL_IF_MACRO(fread(buf, 12, 1, *fh) != 1, strerror(errno), 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

141 
BAIL_IF_MACRO(strncmp(buf, "KenSilverman", 12) != 0, 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

142 
ERR_UNSUPPORTED_ARCHIVE, 0); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

143 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

144 
if (fread(count, 4, 1, *fh) != 1) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

145 
*count = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

146 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

147 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

148 
} /* openGrp */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

149 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

150 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

151 
static int GRP_isArchive(const char *filename, int forWriting) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

152 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

153 
FILE *fh; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

154 
int fileCount; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

155 
int retval = openGrp(filename, forWriting, &fh, &fileCount); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

156 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

157 
if (fh != NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

158 
fclose(fh); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

159 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

160 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

161 
} /* GRP_isArchive */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

162 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

163 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

164 
static DirHandle *GRP_openArchive(const char *name, int forWriting) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

165 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

166 
FILE *fh; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

167 
int fileCount; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

168 
DirHandle *retval = malloc(sizeof (DirHandle)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

169 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

170 
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

171 
retval>opaque = malloc(sizeof (GRPinfo)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

172 
if (retval>opaque == NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

173 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

174 
free(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

175 
BAIL_IF_MACRO(1, ERR_OUT_OF_MEMORY, NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

176 
} /* if */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

177 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

178 
if (!openGrp(name, forWriting, &fh, &fileCount)) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

179 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

180 
if (fh != NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

181 
fclose(fh); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

182 
free(retval>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

183 
free(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

184 
} /* if */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

185 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

186 
((GRPinfo *) retval>opaque)>handle = fh; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

187 
((GRPinfo *) retval>opaque)>totalEntries = fileCount; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

188 
retval>funcs = &__PHYSFS_DirFunctions_GRP; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

189 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

190 
} /* GRP_openArchive */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

191 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

192 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

193 
static LinkedStringList *GRP_enumerateFiles(DirHandle *h, const char *dirname) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

194 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

195 
char buf[16]; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

196 
GRPinfo *g = (GRPinfo *) (h>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

197 
FILE *fh = g>handle; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

198 
int i; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

199 
LinkedStringList *retval = NULL; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

200 
LinkedStringList *l = NULL; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

201 
LinkedStringList *prev = NULL; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

202 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

203 
/* jump to first file entry... */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

204 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

205 
BAIL_IF_MACRO(fseek(fh, 16, SEEK_SET) == 1, strerror(errno), NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

206 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

207 
for (i = 0; i < g>totalEntries; i++) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

208 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

209 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

210 
BAIL_IF_MACRO(fread(buf, 16, 1, fh) != 1, strerror(errno), retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

211 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

212 
buf[12] = '\0'; /* FILENAME.EXT is all you get. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

213 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

214 
l = (LinkedStringList *) malloc(sizeof (LinkedStringList)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

215 
if (l != NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

216 
break; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

217 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

218 
l>str = (char *) malloc(strlen(buf) + 1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

219 
if (l>str == NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

220 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

221 
free(l); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

222 
break; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

223 
} /* if */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

224 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

225 
if (retval == NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

226 
retval = l; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

227 
else 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

228 
prev>next = l; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

229 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

230 
prev = l; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

231 
l>next = NULL; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

232 
} /* for */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

233 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

234 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

235 
} /* GRP_enumerateFiles */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

236 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

237 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

238 
static int getFileEntry(DirHandle *h, const char *name, int *size) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

239 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

240 
char buf[16]; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

241 
GRPinfo *g = (GRPinfo *) (h>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

242 
FILE *fh = g>handle; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

243 
int i; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

244 
char *ptr; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

245 
int retval = 0; /*(g>totalEntries + 1) * 16;*/ /* offset of raw file data */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

246 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

247 
/* Rule out filenames to avoid unneeded file i/o... */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

248 
if (strchr(name, '/') != NULL) /* no directories in groupfiles. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

249 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

250 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

251 
ptr = strchr(name, '.'); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

252 
if ((ptr) && (strlen(ptr) > 4)) /* 3 char extension at most. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

253 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

254 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

255 
if (strlen(name) > 12) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

256 
return(1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

257 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

258 
/* jump to first file entry... */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

259 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

260 
BAIL_IF_MACRO(fseek(fh, 16, SEEK_SET) == 1, strerror(errno), 1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

261 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

262 
for (i = 0; i < g>totalEntries; i++) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

263 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

264 
int fsize; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

265 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

266 
errno = 0; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

267 
BAIL_IF_MACRO(fread(buf, 16, 1, fh) != 1, strerror(errno), 1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

268 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

269 
fsize = *((int *) (buf + 12)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

270 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

271 
buf[12] = '\0'; /* FILENAME.EXT is all you get. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

272 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

273 
if (__PHYSFS_platformStricmp(buf, name) == 0) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

274 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

275 
if (size != NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

276 
*size = fsize; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

277 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

278 
} /* if */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

279 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

280 
retval += fsize; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

281 
} /* for */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

282 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

283 
return(1); /* not found. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

284 
} /* getFileEntry */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

285 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

286 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

287 
static int GRP_exists(DirHandle *h, const char *name) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

288 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

289 
return(getFileEntry(h, name, NULL) != 1); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

290 
} /* GRP_exists */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

291 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

292 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

293 
static int GRP_isDirectory(DirHandle *h, const char *name) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

294 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

295 
return(0); /* never directories in a groupfile. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

296 
} /* GRP_isDirectory */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

297 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

298 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

299 
static int GRP_isSymLink(DirHandle *h, const char *name) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

300 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

301 
return(0); /* never symlinks in a groupfile. */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

302 
} /* GRP_isSymLink */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

303 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

304 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

305 
static FileHandle *GRP_openRead(DirHandle *h, const char *name) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

306 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

307 
FileHandle *retval; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

308 
GRPfileinfo *finfo; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

309 
int size, offset; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

310 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

311 
offset = getFileEntry(h, name, &size); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

312 
BAIL_IF_MACRO(offset == 1, ERR_NO_SUCH_FILE, NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

313 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

314 
retval = (FileHandle *) malloc(sizeof (FileHandle)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

315 
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

316 
finfo = (GRPfileinfo *) malloc(sizeof (GRPfileinfo)); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

317 
if (finfo == NULL) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

318 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

319 
free(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

320 
BAIL_IF_MACRO(1, ERR_OUT_OF_MEMORY, NULL); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

321 
} /* if */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

322 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

323 
finfo>startPos = offset; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

324 
finfo>curPos = offset; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

325 
finfo>size = size; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

326 
retval>opaque = (void *) finfo; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

327 
retval>funcs = &__PHYSFS_FileFunctions_GRP; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

328 
retval>dirHandle = h; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

329 
return(retval); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

330 
} /* GRP_openRead */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

331 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

332 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

333 
static void GRP_dirClose(DirHandle *h) 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

334 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

335 
fclose( ((GRPinfo *) h>opaque)>handle ); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

336 
free(h>opaque); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

337 
free(h); 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

338 
} /* GRP_dirClose */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

339 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

340 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

341 
static const FileFunctions __PHYSFS_FileFunctions_GRP = 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

342 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

343 
GRP_read, /* read() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

344 
NULL, /* write() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

345 
GRP_eof, /* eof() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

346 
GRP_tell, /* tell() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

347 
GRP_seek, /* seek() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

348 
GRP_fileClose /* fileClose() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

349 
}; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

350 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

351 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

352 
const DirFunctions __PHYSFS_DirFunctions_GRP = 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

353 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

354 
GRP_isArchive, /* isArchive() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

355 
GRP_openArchive, /* openArchive() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

356 
GRP_enumerateFiles, /* enumerateFiles() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

357 
GRP_exists, /* exists() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

358 
GRP_isDirectory, /* isDirectory() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

359 
GRP_isSymLink, /* isSymLink() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

360 
GRP_openRead, /* openRead() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

361 
NULL, /* openWrite() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

362 
NULL, /* openAppend() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

363 
NULL, /* remove() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

364 
NULL, /* mkdir() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

365 
GRP_dirClose /* dirClose() method */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

366 
}; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

367 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

368 
const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_GRP = 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

369 
{ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

370 
"GRP", 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

371 
"Build engine Groupfile format" 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

372 
}; 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

373 

b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

374 
/* end of grp.c ... */ 
b050804123a3
Initial add. Implemented, buggy, but not crashing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset

375 