1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
class EndOfFileError (IOError):
def __init__ (self, filename = None):
self.message = "End of file reached while not expecting it"
self.filename = filename
def __str__ (self):
if self.filename is not None:
return "%s: %s" % (self.message, self.filename)
else:
return self.message
cdef char* strdup (char * other) except NULL:
cdef size_t len
cdef char* new
if other is NULL:
return NULL
len = strlen(other)
new = <char*>PyMem_Malloc(len+1)
if new is NULL:
raise MemoryError, "Malloc of new string copy"
return NULL
return strcpy(new, other)
cdef File* fopen (char* path, char* mode) except NULL:
cdef File* f
f = <File*> PyMem_Malloc(sizeof(File))
if f is NULL:
raise MemoryError, "Malloc of File"
return NULL
f.file = c_fopen(path, mode)
if f.file is NULL:
raise IOError, (errno, strerror(errno), path)
return NULL
f.name = strdup(path)
if f.name is NULL:
return NULL
return f
cdef void fclose (File* f):
c_fclose(f.file)
ffree(f.name)
PyMem_Free(f)
cdef void ffree (void* p):
PyMem_Free(p)
cdef char* fget (File* f, size_t n) except NULL:
cdef char* buf
buf = <char*> PyMem_Malloc(n)
if buf is NULL:
raise MemoryError, "Malloc"
return NULL
if (fread(buf, 1, n, f.file) != n):
PyMem_Free(buf)
raise EndOfFileError, f.name
return buf
|
