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  r66631 | amaury.forgeotdarc | 2008-09-27 00:34:08 +0200 (sam., 27 sept. 2008) | 7 lines

  #3967: Correct a crash in count() and find() methods of string-like objects.
  For example:
     "".count("xxxx", sys.maxint, 0)

  Reviewed by Benjamin Peterson.
  Will port to 2.5 and 3.0.
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This commit is contained in:
Amaury Forgeot d'Arc 2008-09-26 22:48:41 +00:00
parent 60320cb3e4
commit f2e9368021
3 changed files with 22 additions and 8 deletions
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7
Objects/stringlib/count.h
View file

@ -13,11 +13,10 @@ stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
{
Py_ssize_t count;
if (sub_len == 0) {
if (str_len < 0)
return 0; /* start > len(str) */
if (str_len < 0)
return 0; /* start > len(str) */
if (sub_len == 0)
return str_len + 1;
}
count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT);

7
Objects/stringlib/find.h
View file

@ -14,11 +14,10 @@ stringlib_find(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
{
Py_ssize_t pos;
if (sub_len == 0) {
if (str_len < 0)
return -1;
if (str_len < 0)
return -1;
if (sub_len == 0)
return offset;
}
pos = fastsearch(str, str_len, sub, sub_len, FAST_SEARCH);