diff options
Diffstat (limited to 'source3/lib/util_str.c')
-rw-r--r-- | source3/lib/util_str.c | 177 |
1 files changed, 45 insertions, 132 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c index bcb9197141..93ecad728d 100644 --- a/source3/lib/util_str.c +++ b/source3/lib/util_str.c @@ -1841,149 +1841,93 @@ int fstr_sprintf(fstring s, const char *fmt, ...) #define S_LIST_ABS 16 /* List Allocation Block Size */ -static char **str_list_make_internal(TALLOC_CTX *mem_ctx, - const char *string, - const char *sep) +char **str_list_make(TALLOC_CTX *mem_ctx, const char *string, const char *sep) { - char **list, **rlist; + char **list; const char *str; char *s; int num, lsize; char *tok; - TALLOC_CTX *frame = NULL; if (!string || !*string) return NULL; - if (mem_ctx) { - s = talloc_strdup(mem_ctx, string); - } else { - s = SMB_STRDUP(string); + + list = TALLOC_ARRAY(mem_ctx, char *, S_LIST_ABS+1); + if (list == NULL) { + return NULL; } - if (!s) { + lsize = S_LIST_ABS; + + s = talloc_strdup(list, string); + if (s == NULL) { DEBUG(0,("str_list_make: Unable to allocate memory")); + TALLOC_FREE(list); return NULL; } if (!sep) sep = LIST_SEP; - num = lsize = 0; - list = NULL; - + num = 0; str = s; - frame = talloc_stackframe(); - while (next_token_talloc(frame, &str, &tok, sep)) { + + while (next_token_talloc(list, &str, &tok, sep)) { + if (num == lsize) { + char **tmp; + lsize += S_LIST_ABS; - if (mem_ctx) { - rlist = TALLOC_REALLOC_ARRAY(mem_ctx, list, - char *, lsize +1); - } else { - /* We need to keep the old list on - * error so we can free the elements - if the realloc fails. */ - rlist =SMB_REALLOC_ARRAY_KEEP_OLD_ON_ERROR(list, - char *, lsize +1); - } - if (!rlist) { + + tmp = TALLOC_REALLOC_ARRAY(mem_ctx, list, char *, + lsize + 1); + if (tmp == NULL) { DEBUG(0,("str_list_make: " "Unable to allocate memory")); - str_list_free(&list); - if (mem_ctx) { - TALLOC_FREE(s); - } else { - SAFE_FREE(s); - } - TALLOC_FREE(frame); + TALLOC_FREE(list); return NULL; - } else { - list = rlist; } - memset (&list[num], 0, - ((sizeof(char**)) * (S_LIST_ABS +1))); - } - if (mem_ctx) { - list[num] = talloc_strdup(mem_ctx, tok); - } else { - list[num] = SMB_STRDUP(tok); - } + list = tmp; - if (!list[num]) { - DEBUG(0,("str_list_make: Unable to allocate memory")); - str_list_free(&list); - if (mem_ctx) { - TALLOC_FREE(s); - } else { - SAFE_FREE(s); - } - TALLOC_FREE(frame); - return NULL; + memset (&list[num], 0, + ((sizeof(char**)) * (S_LIST_ABS +1))); } - num++; + list[num] = tok; + num += 1; } - TALLOC_FREE(frame); - - if (mem_ctx) { - TALLOC_FREE(s); - } else { - SAFE_FREE(s); - } + list[num] = NULL; + TALLOC_FREE(s); return list; } -char **str_list_make_talloc(TALLOC_CTX *mem_ctx, - const char *string, - const char *sep) -{ - return str_list_make_internal(mem_ctx, string, sep); -} - -char **str_list_make(const char *string, const char *sep) -{ - return str_list_make_internal(NULL, string, sep); -} - -bool str_list_copy(char ***dest, const char **src) +bool str_list_copy(TALLOC_CTX *mem_ctx, char ***dest, const char **src) { - char **list, **rlist; - int num, lsize; + char **list; + int i, num; *dest = NULL; if (!src) return false; - num = lsize = 0; - list = NULL; + num = 0; + while (src[num] != NULL) { + num += 1; + } - while (src[num]) { - if (num == lsize) { - lsize += S_LIST_ABS; - rlist = SMB_REALLOC_ARRAY_KEEP_OLD_ON_ERROR(list, - char *, lsize +1); - if (!rlist) { - DEBUG(0,("str_list_copy: " - "Unable to re-allocate memory")); - str_list_free(&list); - return false; - } else { - list = rlist; - } - memset (&list[num], 0, - ((sizeof(char **)) * (S_LIST_ABS +1))); - } + list = TALLOC_ARRAY(mem_ctx, char *, num+1); + if (list == NULL) { + return false; + } - list[num] = SMB_STRDUP(src[num]); - if (!list[num]) { - DEBUG(0,("str_list_copy: Unable to allocate memory")); - str_list_free(&list); + for (i=0; i<num; i++) { + list[i] = talloc_strdup(list, src[i]); + if (list[i] == NULL) { + TALLOC_FREE(list); return false; } - - num++; } - + list[i] = NULL; *dest = list; return true; } @@ -2010,37 +1954,6 @@ bool str_list_compare(char **list1, char **list2) return true; } -static void str_list_free_internal(TALLOC_CTX *mem_ctx, char ***list) -{ - char **tlist; - - if (!list || !*list) - return; - tlist = *list; - for(; *tlist; tlist++) { - if (mem_ctx) { - TALLOC_FREE(*tlist); - } else { - SAFE_FREE(*tlist); - } - } - if (mem_ctx) { - TALLOC_FREE(*tlist); - } else { - SAFE_FREE(*list); - } -} - -void str_list_free_talloc(TALLOC_CTX *mem_ctx, char ***list) -{ - str_list_free_internal(mem_ctx, list); -} - -void str_list_free(char ***list) -{ - str_list_free_internal(NULL, list); -} - /****************************************************************************** *****************************************************************************/ |