diff options
Diffstat (limited to 'Objects/stringobject.c')
| -rw-r--r-- | Objects/stringobject.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/Objects/stringobject.c b/Objects/stringobject.c index ec909db..7600c03 100644 --- a/Objects/stringobject.c +++ b/Objects/stringobject.c @@ -1557,8 +1557,10 @@ mymemreplace(const char *str, int len, /* input string */ /* find length of output string */ nfound = mymemcnt(str, len, pat, pat_len); - if (count > 0) - nfound = nfound > count ? count : nfound; + if (count < 0) + count = INT_MAX; + else if (nfound > count) + nfound = count; if (nfound == 0) goto return_same; @@ -1566,7 +1568,7 @@ mymemreplace(const char *str, int len, /* input string */ if (new_len == 0) { /* Have to allocate something for the caller to free(). */ out_s = (char *)PyMem_MALLOC(1); - if (out_s = NULL) + if (out_s == NULL) return NULL; out_s[0] = '\0'; } @@ -1577,7 +1579,7 @@ mymemreplace(const char *str, int len, /* input string */ return NULL; out_s = new_s; - while (len > 0) { + for (; count > 0 && len > 0; --count) { /* find index of next instance of pattern */ offset = mymemfind(str, len, pat, pat_len); if (offset == -1) @@ -1592,10 +1594,6 @@ mymemreplace(const char *str, int len, /* input string */ new_s += offset; memcpy(new_s, sub, sub_len); new_s += sub_len; - - /* note count==0 is effectively infinity */ - if (--count == 0) - break; } /* copy any remaining values into output string */ if (len > 0) |