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authorRené 'Necoro' Neumann <necoro@necoro.net>2009-07-24 21:30:40 +0200
committerRené 'Necoro' Neumann <necoro@necoro.net>2009-07-24 21:30:40 +0200
commitb8f45f026ace3df864efac5d49a62be4a0fc9eae (patch)
treeb7c198c8014f91b9d0a458beda281ab81c5fdeac /portato/eix/eix_utils.pyx
parent452bf1e7237e6cb1d8a697179eaee9ed3a430d52 (diff)
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First eix stuff
Diffstat (limited to '')
-rw-r--r--portato/eix/eix_utils.pyx72
1 files changed, 72 insertions, 0 deletions
diff --git a/portato/eix/eix_utils.pyx b/portato/eix/eix_utils.pyx
new file mode 100644
index 0000000..57fa5d7
--- /dev/null
+++ b/portato/eix/eix_utils.pyx
@@ -0,0 +1,72 @@
+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