Author: guido.van.rossum
Date: Wed Oct 10 20:53:36 2007
New Revision: 58410
Modified:
python/branches/py3k/Python/errors.c
Log:
Minor cleanup of the comment for PyErr_ProgramText() and a tweak to the code
to guarantee the claim that it doesn't set an exception.
Modified: python/branches/py3k/Python/errors.c
==============================================================================
--- python/branches/py3k/Python/errors.c (original)
+++ python/branches/py3k/Python/errors.c Wed Oct 10 20:53:36 2007
@@ -800,13 +800,11 @@
PyErr_Restore(exc, v, tb);
}
-/* com_fetch_program_text will attempt to load the line of text that
- the exception refers to. If it fails, it will return NULL but will
- not set an exception.
+/* Attempt to load the line of text that the exception refers to. If it
+ fails, it will return NULL but will not set an exception.
XXX The functionality of this function is quite similar to the
- functionality in tb_displayline() in traceback.c.
-*/
+ functionality in tb_displayline() in traceback.c. */
PyObject *
PyErr_ProgramText(const char *filename, int lineno)
@@ -824,7 +822,8 @@
char *pLastChar = &linebuf[sizeof(linebuf) - 2];
do {
*pLastChar = '\0';
- if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
fp, NULL) == NULL)
+ if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
+ fp, NULL) == NULL)
break;
/* fgets read *something*; if it didn't get as
far as pLastChar, it must have found a newline
@@ -836,9 +835,13 @@
fclose(fp);
if (i == lineno) {
char *p = linebuf;
+ PyObject *res;
while (*p == ' ' || *p == '\t' || *p == '\014')
p++;
- return PyUnicode_FromString(p);
+ res = PyUnicode_FromString(p);
+ if (res == NULL)
+ PyErr_Clear();
+ return res;
}
return NULL;
}
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