diff options
Diffstat (limited to 'source3/lib/util_str.c')
| -rw-r--r-- | source3/lib/util_str.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c index eac3ebe929..9b4282c6e0 100644 --- a/source3/lib/util_str.c +++ b/source3/lib/util_str.c @@ -650,23 +650,30 @@ This routine looks for pattern in s and replaces it with insert. It may do multiple replacements. any of " ; ' $ or ` in the insert string are replaced with _ -if len==0 then no length check is performed +if len==0 then the string cannot be extended. This is different from the old +use of len==0 which was for no length checks to be done. ****************************************************************************/ + void string_sub(char *s,const char *pattern,const char *insert, size_t len) { char *p; ssize_t ls,lp,li, i; - if (!insert || !pattern || !s) return; + if (!insert || !pattern || !s) + return; ls = (ssize_t)strlen(s); lp = (ssize_t)strlen(pattern); li = (ssize_t)strlen(insert); - if (!*pattern) return; + if (!*pattern) + return; + + if (len == 0) + len = ls; while (lp <= ls && (p = strstr(s,pattern))) { - if (len && (ls + (li-lp) >= len)) { + if (ls + (li-lp) >= len) { DEBUG(0,("ERROR: string overflow by %d in string_sub(%.50s, %d)\n", (int)(ls + (li-lp) - len), pattern, (int)len)); @@ -709,23 +716,30 @@ void pstring_sub(char *s,const char *pattern,const char *insert) /**************************************************************************** similar to string_sub() but allows for any character to be substituted. Use with caution! -if len==0 then no length check is performed +if len==0 then the string cannot be extended. This is different from the old +use of len==0 which was for no length checks to be done. ****************************************************************************/ + void all_string_sub(char *s,const char *pattern,const char *insert, size_t len) { char *p; ssize_t ls,lp,li; - if (!insert || !pattern || !s) return; + if (!insert || !pattern || !s) + return; ls = (ssize_t)strlen(s); lp = (ssize_t)strlen(pattern); li = (ssize_t)strlen(insert); - if (!*pattern) return; + if (!*pattern) + return; + + if (len == 0) + len = ls; while (lp <= ls && (p = strstr(s,pattern))) { - if (len && (ls + (li-lp) >= len)) { + if (ls + (li-lp) >= len) { DEBUG(0,("ERROR: string overflow by %d in all_string_sub(%.50s, %d)\n", (int)(ls + (li-lp) - len), pattern, (int)len)); @@ -743,10 +757,8 @@ void all_string_sub(char *s,const char *pattern,const char *insert, size_t len) /**************************************************************************** similar to all_string_sub but for unicode strings. return a new allocate unicode string. -len is the number of bytes, not chars similar to string_sub() but allows for any character to be substituted. Use with caution! - if len==0 then no length check is performed ****************************************************************************/ smb_ucs2_t *all_string_sub_w(const smb_ucs2_t *s, const smb_ucs2_t *pattern, |