commit 876bebd

default  ·  2023-01-28 16:49:02 +0000 UTC
parent 5163f93
Backport from xs.
12 files changed,  +293, -228
M xs.h
M xs.h
+191, -130
  1@@ -14,25 +14,31 @@
  2 #include <errno.h>
  3 
  4 typedef enum {
  5-    XSTYPE_NULL   = 0x18,
  6-    XSTYPE_TRUE   = 0x06,
  7-    XSTYPE_FALSE  = 0x15,
  8-    XSTYPE_LIST   = 0x11,
  9-    XSTYPE_LITEM  = 0x1f,
 10-    XSTYPE_EOL    = 0x12,
 11-    XSTYPE_DICT   = 0x13,
 12-    XSTYPE_DITEM  = 0x1e,
 13-    XSTYPE_EOD    = 0x14,
 14-    XSTYPE_NUMBER = 0x17,
 15-    XSTYPE_STRING = 0x02
 16+    XSTYPE_STRING = 0x02,       /* C string (\0 delimited) (NOT STORED) */
 17+    XSTYPE_NUMBER = 0x17,       /* C string (\0 delimited) */
 18+    XSTYPE_NULL   = 0x18,       /* Special NULL value */
 19+    XSTYPE_TRUE   = 0x06,       /* Boolean */
 20+    XSTYPE_FALSE  = 0x15,       /* Boolean */
 21+    XSTYPE_LIST   = 0x1d,       /* Sequence of LITEMs up to EOM (with 24bit size) */
 22+    XSTYPE_LITEM  = 0x1f,       /* Element of a list (any type) */
 23+    XSTYPE_DICT   = 0x1c,       /* Sequence of DITEMs up to EOM (with 24bit size) */
 24+    XSTYPE_DITEM  = 0x1e,       /* Element of a dict (STRING key + any type) */
 25+    XSTYPE_EOM    = 0x19        /* End of Multiple (LIST or DICT) */
 26 } xstype;
 27 
 28 
 29 /* dynamic strings */
 30 typedef char d_char;
 31 
 32+/* types */
 33+typedef char xs_val;
 34+typedef char xs_str;
 35+typedef char xs_list;
 36+typedef char xs_dict;
 37+typedef char xs_number;
 38+
 39 /* auto-destroyable strings */
 40-#define xs __attribute__ ((__cleanup__ (_xs_destroy))) d_char
 41+#define xs __attribute__ ((__cleanup__ (_xs_destroy))) xs_val
 42 
 43 /* not really all, just very much */
 44 #define XS_ALL 0xfffffff
 45@@ -43,60 +49,75 @@ void *_xs_realloc(void *ptr, size_t size, const char *file, int line, const char
 46 int _xs_blk_size(int sz);
 47 void _xs_destroy(char **var);
 48 #define xs_debug() raise(SIGTRAP)
 49-xstype xs_type(const char *data);
 50-int xs_size(const char *data);
 51-int xs_is_null(const char *data);
 52-d_char *xs_dup(const char *data);
 53-d_char *xs_expand(d_char *data, int offset, int size);
 54-d_char *xs_collapse(d_char *data, int offset, int size);
 55-d_char *xs_insert_m(d_char *data, int offset, const char *mem, int size);
 56+xstype xs_type(const xs_val *data);
 57+int xs_size(const xs_val *data);
 58+int xs_is_null(const xs_val *data);
 59+xs_val *xs_dup(const xs_val *data);
 60+xs_val *xs_expand(xs_val *data, int offset, int size);
 61+xs_val *xs_collapse(xs_val *data, int offset, int size);
 62+xs_val *xs_insert_m(xs_val *data, int offset, const char *mem, int size);
 63 #define xs_insert(data, offset, data2) xs_insert_m(data, offset, data2, xs_size(data2))
 64 #define xs_append_m(data, mem, size) xs_insert_m(data, xs_size(data) - 1, mem, size)
 65-d_char *xs_str_new(const char *str);
 66-d_char *xs_str_wrap_i(const char *prefix, d_char *str, const char *suffix);
 67+
 68+xs_str *xs_str_new(const char *str);
 69+xs_str *xs_str_wrap_i(const char *prefix, xs_str *str, const char *suffix);
 70 #define xs_str_prepend_i(str, prefix) xs_str_wrap_i(prefix, str, NULL)
 71 #define xs_str_cat(str, suffix) xs_str_wrap_i(NULL, str, suffix)
 72-d_char *xs_replace_i(d_char *str, const char *sfrom, const char *sto);
 73+xs_str *xs_replace_i(xs_str *str, const char *sfrom, const char *sto);
 74 #define xs_replace(str, sfrom, sto) xs_replace_i(xs_dup(str), sfrom, sto)
 75-d_char *xs_fmt(const char *fmt, ...);
 76+xs_str *xs_fmt(const char *fmt, ...);
 77 int xs_str_in(const char *haystack, const char *needle);
 78 int xs_startswith(const char *str, const char *prefix);
 79 int xs_endswith(const char *str, const char *postfix);
 80-d_char *xs_crop_i(d_char *str, int start, int end);
 81-d_char *xs_strip_chars_i(d_char *str, const char *chars);
 82+xs_str *xs_crop_i(xs_str *str, int start, int end);
 83+xs_str *xs_strip_chars_i(xs_str *str, const char *chars);
 84 #define xs_strip_i(str) xs_strip_chars_i(str, " \r\n\t\v\f")
 85-d_char *xs_tolower_i(d_char *str);
 86-d_char *xs_list_new(void);
 87-d_char *xs_list_append_m(d_char *list, const char *mem, int dsz);
 88+xs_str *xs_tolower_i(xs_str *str);
 89+
 90+xs_list *xs_list_new(void);
 91+xs_list *xs_list_append_m(xs_list *list, const char *mem, int dsz);
 92 #define xs_list_append(list, data) xs_list_append_m(list, data, xs_size(data))
 93-int xs_list_iter(char **list, char **value);
 94-int xs_list_len(char *list);
 95-char *xs_list_get(char *list, int num);
 96-d_char *xs_list_del(d_char *list, int num);
 97-d_char *xs_list_insert(d_char *list, int num, const char *data);
 98-d_char *xs_list_insert_sorted(d_char *list, const char *str);
 99-d_char *xs_list_set(d_char *list, int num, const char *data);
100-d_char *xs_list_dequeue(d_char *list, char **data, int last);
101+int xs_list_iter(xs_list **list, xs_val **value);
102+int xs_list_len(xs_list *list);
103+char *xs_list_get(xs_list *list, int num);
104+xs_list *xs_list_del(xs_list *list, int num);
105+xs_list *xs_list_insert(xs_list *list, int num, const xs_val *data);
106+xs_list *xs_list_insert_sorted(xs_list *list, const char *str);
107+xs_list *xs_list_set(xs_list *list, int num, const xs_val *data);
108+xs_list *xs_list_dequeue(xs_list *list, xs_val **data, int last);
109 #define xs_list_pop(list, data) xs_list_dequeue(list, data, 1)
110 #define xs_list_shift(list, data) xs_list_dequeue(list, data, 0)
111-int xs_list_in(char *list, const char *val);
112-d_char *xs_join(char *list, const char *sep);
113-d_char *xs_split_n(const char *str, const char *sep, int times);
114+int xs_list_in(xs_list *list, const xs_val *val);
115+xs_str *xs_join(xs_list *list, const char *sep);
116+xs_list *xs_split_n(const char *str, const char *sep, int times);
117 #define xs_split(str, sep) xs_split_n(str, sep, XS_ALL)
118-d_char *xs_dict_new(void);
119-d_char *xs_dict_append_m(d_char *dict, const char *key, const char *mem, int dsz);
120+
121+xs_dict *xs_dict_new(void);
122+xs_dict *xs_dict_append_m(xs_dict *dict, const xs_str *key, const xs_val *mem, int dsz);
123 #define xs_dict_append(dict, key, data) xs_dict_append_m(dict, key, data, xs_size(data))
124-int xs_dict_iter(char **dict, char **key, char **value);
125-char *xs_dict_get(char *dict, const char *key);
126-d_char *xs_dict_del(d_char *dict, const char *key);
127-d_char *xs_dict_set(d_char *dict, const char *key, const char *data);
128-d_char *xs_val_new(xstype t);
129-d_char *xs_number_new(double f);
130-double xs_number_get(const char *v);
131-const char *xs_number_str(const char *v);
132+int xs_dict_iter(xs_dict **dict, xs_str **key, xs_val **value);
133+xs_dict *xs_dict_get(xs_dict *dict, const xs_str *key);
134+xs_dict *xs_dict_del(xs_dict *dict, const xs_str *key);
135+xs_dict *xs_dict_set(xs_dict *dict, const xs_str *key, const xs_val *data);
136+
137+xs_val *xs_val_new(xstype t);
138+xs_number *xs_number_new(double f);
139+double xs_number_get(const xs_number *v);
140+const char *xs_number_str(const xs_number *v);
141 
142 void *xs_memmem(const char *haystack, int h_size, const char *needle, int n_size);
143 
144+
145+#ifdef XS_ASSERT
146+#include <assert.h>
147+#define XS_ASSERT_TYPE(v, t) assert(xs_type(v) == t)
148+#define XS_ASSERT_TYPE_NULL(v, t) assert(v == NULL || xs_type(v) == t)
149+#else
150+#define XS_ASSERT_TYPE(v, t) (void)(0)
151+#define XS_ASSERT_TYPE_NULL(v, t) (void)(0)
152+#endif
153+
154+
155 #ifdef XS_IMPLEMENTATION
156 
157 void *_xs_realloc(void *ptr, size_t size, const char *file, int line, const char *func)
158@@ -183,22 +204,24 @@ int _xs_blk_size(int sz)
159 }
160 
161 
162-xstype xs_type(const char *data)
163+xstype xs_type(const xs_val *data)
164 /* return the type of data */
165 {
166     xstype t;
167 
168+    if (data == NULL)
169+        t = XSTYPE_NULL;
170+    else
171     switch (data[0]) {
172     case XSTYPE_NULL:
173     case XSTYPE_TRUE:
174     case XSTYPE_FALSE:
175     case XSTYPE_LIST:
176-    case XSTYPE_EOL:
177-    case XSTYPE_DICT:
178-    case XSTYPE_EOD:
179     case XSTYPE_LITEM:
180+    case XSTYPE_DICT:
181     case XSTYPE_DITEM:
182     case XSTYPE_NUMBER:
183+    case XSTYPE_EOM:
184         t = data[0];
185         break;
186     default:
187@@ -210,7 +233,7 @@ xstype xs_type(const char *data)
188 }
189 
190 
191-void _xs_put_24b(char *ptr, int i)
192+void _xs_put_24b(xs_val *ptr, int i)
193 /* writes i as a 24 bit value */
194 {
195     unsigned char *p = (unsigned char *)ptr;
196@@ -221,7 +244,7 @@ void _xs_put_24b(char *ptr, int i)
197 }
198 
199 
200-int _xs_get_24b(const char *ptr)
201+int _xs_get_24b(const xs_val *ptr)
202 /* reads a 24 bit value */
203 {
204     unsigned char *p = (unsigned char *)ptr;
205@@ -230,7 +253,7 @@ int _xs_get_24b(const char *ptr)
206 }
207 
208 
209-int xs_size(const char *data)
210+int xs_size(const xs_val *data)
211 /* returns the size of data in bytes */
212 {
213     int len = 0;
214@@ -286,18 +309,18 @@ int xs_size(const char *data)
215 }
216 
217 
218-int xs_is_null(const char *data)
219+int xs_is_null(const xs_val *data)
220 /* checks for null */
221 {
222-    return !!(data == NULL || xs_type(data) == XSTYPE_NULL);
223+    return (xs_type(data) == XSTYPE_NULL);
224 }
225 
226 
227-d_char *xs_dup(const char *data)
228+xs_val *xs_dup(const xs_val *data)
229 /* creates a duplicate of data */
230 {
231     int sz = xs_size(data);
232-    d_char *s = xs_realloc(NULL, _xs_blk_size(sz));
233+    xs_val *s = xs_realloc(NULL, _xs_blk_size(sz));
234 
235     memcpy(s, data, sz);
236 
237@@ -305,7 +328,7 @@ d_char *xs_dup(const char *data)
238 }
239 
240 
241-d_char *xs_expand(d_char *data, int offset, int size)
242+xs_val *xs_expand(xs_val *data, int offset, int size)
243 /* opens a hole in data */
244 {
245     int sz = xs_size(data);
246@@ -325,7 +348,7 @@ d_char *xs_expand(d_char *data, int offset, int size)
247 }
248 
249 
250-d_char *xs_collapse(d_char *data, int offset, int size)
251+xs_val *xs_collapse(xs_val *data, int offset, int size)
252 /* shrinks data */
253 {
254     int sz = xs_size(data);
255@@ -348,7 +371,7 @@ d_char *xs_collapse(d_char *data, int offset, int size)
256 }
257 
258 
259-d_char *xs_insert_m(d_char *data, int offset, const char *mem, int size)
260+xs_val *xs_insert_m(xs_val *data, int offset, const char *mem, int size)
261 /* inserts a memory block */
262 {
263     data = xs_expand(data, offset, size);
264@@ -360,16 +383,18 @@ d_char *xs_insert_m(d_char *data, int offset, const char *mem, int size)
265 
266 /** strings **/
267 
268-d_char *xs_str_new(const char *str)
269+xs_str *xs_str_new(const char *str)
270 /* creates a new string */
271 {
272     return xs_insert(NULL, 0, str ? str : "");
273 }
274 
275 
276-d_char *xs_str_wrap_i(const char *prefix, d_char *str, const char *suffix)
277+xs_str *xs_str_wrap_i(const char *prefix, xs_str *str, const char *suffix)
278 /* wraps str with prefix and suffix */
279 {
280+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
281+
282     if (prefix)
283         str = xs_insert_m(str, 0, prefix, strlen(prefix));
284 
285@@ -380,9 +405,11 @@ d_char *xs_str_wrap_i(const char *prefix, d_char *str, const char *suffix)
286 }
287 
288 
289-d_char *xs_replace_i(d_char *str, const char *sfrom, const char *sto)
290+xs_str *xs_replace_i(xs_str *str, const char *sfrom, const char *sto)
291 /* replaces inline all sfrom with sto */
292 {
293+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
294+
295     int sfsz = strlen(sfrom);
296     int stsz = strlen(sto);
297     char *ss;
298@@ -402,11 +429,11 @@ d_char *xs_replace_i(d_char *str, const char *sfrom, const char *sto)
299 }
300 
301 
302-d_char *xs_fmt(const char *fmt, ...)
303+xs_str *xs_fmt(const char *fmt, ...)
304 /* formats a string with printf()-like marks */
305 {
306     int n;
307-    d_char *s = NULL;
308+    xs_str *s = NULL;
309     va_list ap;
310 
311     va_start(ap, fmt);
312@@ -455,9 +482,11 @@ int xs_endswith(const char *str, const char *postfix)
313 }
314 
315 
316-d_char *xs_crop_i(d_char *str, int start, int end)
317+xs_str *xs_crop_i(xs_str *str, int start, int end)
318 /* crops the d_char to be only from start to end */
319 {
320+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
321+
322     int sz = strlen(str);
323 
324     if (end <= 0)
325@@ -473,9 +502,11 @@ d_char *xs_crop_i(d_char *str, int start, int end)
326 }
327 
328 
329-d_char *xs_strip_chars_i(d_char *str, const char *chars)
330+xs_str *xs_strip_chars_i(xs_str *str, const char *chars)
331 /* strips the string of chars from the start and the end */
332 {
333+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
334+
335     int n;
336 
337     /* strip first from the end */
338@@ -494,9 +525,11 @@ d_char *xs_strip_chars_i(d_char *str, const char *chars)
339 }
340 
341 
342-d_char *xs_tolower_i(d_char *str)
343+xs_str *xs_tolower_i(xs_str *str)
344 /* convert to lowercase */
345 {
346+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
347+
348     int n;
349 
350     for (n = 0; str[n]; n++)
351@@ -508,14 +541,14 @@ d_char *xs_tolower_i(d_char *str)
352 
353 /** lists **/
354 
355-d_char *xs_list_new(void)
356+xs_list *xs_list_new(void)
357 /* creates a new list */
358 {
359-    d_char *list;
360+    xs_list *list;
361 
362     list = xs_realloc(NULL, _xs_blk_size(5));
363     list[0] = XSTYPE_LIST;
364-    list[4] = XSTYPE_EOL;
365+    list[4] = XSTYPE_EOM;
366 
367     _xs_put_24b(list + 1, 5);
368 
369@@ -523,9 +556,11 @@ d_char *xs_list_new(void)
370 }
371 
372 
373-d_char *_xs_list_write_litem(d_char *list, int offset, const char *mem, int dsz)
374+xs_list *_xs_list_write_litem(xs_list *list, int offset, const char *mem, int dsz)
375 /* writes a list item */
376 {
377+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
378+
379     char c = XSTYPE_LITEM;
380 
381     list = xs_insert_m(list, offset,     &c,  1);
382@@ -535,30 +570,28 @@ d_char *_xs_list_write_litem(d_char *list, int offset, const char *mem, int dsz)
383 }
384 
385 
386-d_char *xs_list_append_m(d_char *list, const char *mem, int dsz)
387+xs_list *xs_list_append_m(xs_list *list, const char *mem, int dsz)
388 /* adds a memory block to the list */
389 {
390+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
391+
392     return _xs_list_write_litem(list, xs_size(list) - 1, mem, dsz);
393 }
394 
395 
396-int xs_list_iter(char **list, char **value)
397+int xs_list_iter(xs_list **list, xs_val **value)
398 /* iterates a list value */
399 {
400     int goon = 1;
401-    char *p;
402-
403-    if (list == NULL || *list == NULL)
404-        return 0;
405 
406-    p = *list;
407+    xs_val *p = *list;
408 
409     /* skip the start of the list */
410-    if (*p == XSTYPE_LIST)
411+    if (xs_type(p) == XSTYPE_LIST)
412         p += 4;
413 
414     /* an element? */
415-    if (*p == XSTYPE_LITEM) {
416+    if (xs_type(p) == XSTYPE_LITEM) {
417         p++;
418 
419         *value = p;
420@@ -567,7 +600,6 @@ int xs_list_iter(char **list, char **value)
421     }
422     else {
423         /* end of list */
424-        p++;
425         goon = 0;
426     }
427 
428@@ -578,11 +610,13 @@ int xs_list_iter(char **list, char **value)
429 }
430 
431 
432-int xs_list_len(char *list)
433+int xs_list_len(xs_list *list)
434 /* returns the number of elements in the list */
435 {
436+    XS_ASSERT_TYPE_NULL(list, XSTYPE_LIST);
437+
438     int c = 0;
439-    char *v;
440+    xs_val *v;
441 
442     while (xs_list_iter(&list, &v))
443         c++;
444@@ -591,11 +625,13 @@ int xs_list_len(char *list)
445 }
446 
447 
448-char *xs_list_get(char *list, int num)
449+xs_val *xs_list_get(xs_list *list, int num)
450 /* returns the element #num */
451 {
452-    char *v;
453+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
454+
455     int c = 0;
456+    xs_val *v;
457 
458     if (num < 0)
459         num = xs_list_len(list) + num;
460@@ -611,10 +647,12 @@ char *xs_list_get(char *list, int num)
461 }
462 
463 
464-d_char *xs_list_del(d_char *list, int num)
465+xs_list *xs_list_del(xs_list *list, int num)
466 /* deletes element #num */
467 {
468-    char *v;
469+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
470+
471+    xs_val *v;
472 
473     if ((v = xs_list_get(list, num)) != NULL)
474         list = xs_collapse(list, v - 1 - list, xs_size(v - 1));
475@@ -623,10 +661,12 @@ d_char *xs_list_del(d_char *list, int num)
476 }
477 
478 
479-d_char *xs_list_insert(d_char *list, int num, const char *data)
480+xs_list *xs_list_insert(xs_list *list, int num, const xs_val *data)
481 /* inserts an element at #num position */
482 {
483-    char *v;
484+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
485+
486+    xs_val *v;
487     int offset;
488 
489     if ((v = xs_list_get(list, num)) != NULL)
490@@ -638,9 +678,12 @@ d_char *xs_list_insert(d_char *list, int num, const char *data)
491 }
492 
493 
494-d_char *xs_list_insert_sorted(d_char *list, const char *str)
495+xs_list *xs_list_insert_sorted(xs_list *list, const xs_str *str)
496 /* inserts a string in the list in its ordered position */
497 {
498+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
499+    XS_ASSERT_TYPE(str, XSTYPE_STRING);
500+
501     char *p, *v;
502     int offset = xs_size(list);
503 
504@@ -657,9 +700,11 @@ d_char *xs_list_insert_sorted(d_char *list, const char *str)
505 }
506 
507 
508-d_char *xs_list_set(d_char *list, int num, const char *data)
509+xs_list *xs_list_set(xs_list *list, int num, const xs_val *data)
510 /* sets the element at #num position */
511 {
512+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
513+
514     list = xs_list_del(list, num);
515     list = xs_list_insert(list, num, data);
516 
517@@ -667,10 +712,13 @@ d_char *xs_list_set(d_char *list, int num, const char *data)
518 }
519 
520 
521-d_char *xs_list_dequeue(d_char *list, char **data, int last)
522+xs_list *xs_list_dequeue(xs_list *list, xs_val **data, int last)
523 /* gets a copy of the first or last element of a list, shrinking it */
524 {
525-    char *p = list, *v = NULL;
526+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
527+
528+    xs_list *p = list;
529+    xs_val *v  = NULL;
530 
531     if (!last) {
532         /* get the first */
533@@ -692,11 +740,13 @@ d_char *xs_list_dequeue(d_char *list, char **data, int last)
534 }
535 
536 
537-int xs_list_in(char *list, const char *val)
538+int xs_list_in(xs_list *list, const xs_val *val)
539 /* returns the position of val in list or -1 */
540 {
541+    XS_ASSERT_TYPE_NULL(list, XSTYPE_LIST);
542+
543     int n = 0;
544-    char *v;
545+    xs_val *v;
546     int sz = xs_size(val);
547 
548     while (xs_list_iter(&list, &v)) {
549@@ -710,11 +760,13 @@ int xs_list_in(char *list, const char *val)
550 }
551 
552 
553-d_char *xs_join(char *list, const char *sep)
554+xs_str *xs_join(xs_list *list, const char *sep)
555 /* joins a list into a string */
556 {
557-    d_char *s = NULL;
558-    char *v;
559+    XS_ASSERT_TYPE(list, XSTYPE_LIST);
560+
561+    xs_str *s = NULL;
562+    xs_val *v;
563     int c = 0;
564     int offset = 0;
565     int ssz = strlen(sep);
566@@ -749,12 +801,12 @@ d_char *xs_join(char *list, const char *sep)
567 }
568 
569 
570-d_char *xs_split_n(const char *str, const char *sep, int times)
571+xs_list *xs_split_n(const char *str, const char *sep, int times)
572 /* splits a string into a list upto n times */
573 {
574     int sz = strlen(sep);
575     char *ss;
576-    d_char *list;
577+    xs_list *list;
578 
579     list = xs_list_new();
580 
581@@ -763,7 +815,7 @@ d_char *xs_split_n(const char *str, const char *sep, int times)
582         list = xs_list_append_m(list, str, ss - str);
583 
584         /* add the asciiz */
585-        list = xs_str_cat(list, "");
586+        list = xs_insert_m(list, xs_size(list) - 1, "", 1);
587 
588         /* skip past the separator */
589         str = ss + sz;
590@@ -780,14 +832,14 @@ d_char *xs_split_n(const char *str, const char *sep, int times)
591 
592 /** dicts **/
593 
594-d_char *xs_dict_new(void)
595+xs_dict *xs_dict_new(void)
596 /* creates a new dict */
597 {
598-    d_char *dict;
599+    xs_dict *dict;
600 
601     dict = xs_realloc(NULL, _xs_blk_size(5));
602     dict[0] = XSTYPE_DICT;
603-    dict[4] = XSTYPE_EOD;
604+    dict[4] = XSTYPE_EOM;
605 
606     _xs_put_24b(dict + 1, 5);
607 
608@@ -795,9 +847,12 @@ d_char *xs_dict_new(void)
609 }
610 
611 
612-d_char *xs_dict_append_m(d_char *dict, const char *key, const char *mem, int dsz)
613+xs_dict *xs_dict_append_m(xs_dict *dict, const xs_str *key, const xs_val *mem, int dsz)
614 /* adds a memory block to the dict */
615 {
616+    XS_ASSERT_TYPE(dict, XSTYPE_DICT);
617+    XS_ASSERT_TYPE(key, XSTYPE_STRING);
618+
619     char c = XSTYPE_DITEM;
620     int sz = xs_size(dict);
621     int ksz = xs_size(key);
622@@ -810,23 +865,19 @@ d_char *xs_dict_append_m(d_char *dict, const char *key, const char *mem, int dsz
623 }
624 
625 
626-int xs_dict_iter(char **dict, char **key, char **value)
627+int xs_dict_iter(xs_dict **dict, xs_str **key, xs_val **value)
628 /* iterates a dict value */
629 {
630     int goon = 1;
631-    char *p;
632-
633-    if (dict == NULL || *dict == NULL)
634-        return 0;
635 
636-    p = *dict;
637+    xs_val *p = *dict;
638 
639     /* skip the start of the list */
640-    if (*p == XSTYPE_DICT)
641+    if (xs_type(p) == XSTYPE_DICT)
642         p += 4;
643 
644     /* an element? */
645-    if (*p == XSTYPE_DITEM) {
646+    if (xs_type(p) == XSTYPE_DITEM) {
647         p++;
648 
649         *key = p;
650@@ -837,7 +888,6 @@ int xs_dict_iter(char **dict, char **key, char **value)
651     }
652     else {
653         /* end of list */
654-        p++;
655         goon = 0;
656     }
657 
658@@ -848,10 +898,14 @@ int xs_dict_iter(char **dict, char **key, char **value)
659 }
660 
661 
662-char *xs_dict_get(char *dict, const char *key)
663+xs_val *xs_dict_get(xs_dict *dict, const xs_str *key)
664 /* returns the value directed by key */
665 {
666-    char *k, *v;
667+    XS_ASSERT_TYPE(dict, XSTYPE_DICT);
668+    XS_ASSERT_TYPE(key, XSTYPE_STRING);
669+
670+    xs_str *k;
671+    xs_val *v;
672 
673     while (xs_dict_iter(&dict, &k, &v)) {
674         if (strcmp(k, key) == 0)
675@@ -862,11 +916,15 @@ char *xs_dict_get(char *dict, const char *key)
676 }
677 
678 
679-d_char *xs_dict_del(d_char *dict, const char *key)
680+xs_dict *xs_dict_del(xs_dict *dict, const xs_str *key)
681 /* deletes a key */
682 {
683-    char *k, *v;
684-    char *p = dict;
685+    XS_ASSERT_TYPE(dict, XSTYPE_DICT);
686+    XS_ASSERT_TYPE(key, XSTYPE_STRING);
687+
688+    xs_str *k;
689+    xs_val *v;
690+    xs_dict *p = dict;
691 
692     while (xs_dict_iter(&p, &k, &v)) {
693         if (strcmp(k, key) == 0) {
694@@ -882,9 +940,12 @@ d_char *xs_dict_del(d_char *dict, const char *key)
695 }
696 
697 
698-d_char *xs_dict_set(d_char *dict, const char *key, const char *data)
699+xs_dict *xs_dict_set(xs_dict *dict, const xs_str *key, const xs_val *data)
700 /* sets (replaces) a key */
701 {
702+    XS_ASSERT_TYPE(dict, XSTYPE_DICT);
703+    XS_ASSERT_TYPE(key, XSTYPE_STRING);
704+
705     /* delete the possibly existing key */
706     dict = xs_dict_del(dict, key);
707 
708@@ -897,10 +958,10 @@ d_char *xs_dict_set(d_char *dict, const char *key, const char *data)
709 
710 /** other values **/
711 
712-d_char *xs_val_new(xstype t)
713+xs_val *xs_val_new(xstype t)
714 /* adds a new special value */
715 {
716-    d_char *v = xs_realloc(NULL, _xs_blk_size(1));
717+    xs_val *v = xs_realloc(NULL, _xs_blk_size(1));
718 
719     v[0] = t;
720 
721@@ -910,10 +971,10 @@ d_char *xs_val_new(xstype t)
722 
723 /** numbers */
724 
725-d_char *xs_number_new(double f)
726+xs_number *xs_number_new(double f)
727 /* adds a new number value */
728 {
729-    d_char *v;
730+    xs_number *v;
731     char tmp[64];
732 
733     snprintf(tmp, sizeof(tmp), "%.15lf", f);
734@@ -940,7 +1001,7 @@ d_char *xs_number_new(double f)
735 }
736 
737 
738-double xs_number_get(const char *v)
739+double xs_number_get(const xs_number *v)
740 /* gets the number as a double */
741 {
742     double f = 0.0;
743@@ -952,7 +1013,7 @@ double xs_number_get(const char *v)
744 }
745 
746 
747-const char *xs_number_str(const char *v)
748+const char *xs_number_str(const xs_number *v)
749 /* gets the number as a string */
750 {
751     const char *p = NULL;
+12, -10
 1@@ -4,18 +4,18 @@
 2 
 3 #define _XS_CURL_H
 4 
 5-d_char *xs_http_request(char *method, char *url, d_char *headers,
 6-                        d_char *body, int b_size, int *status,
 7-                        d_char **payload, int *p_size, int timeout);
 8+xs_dict *xs_http_request(char *method, char *url, xs_dict *headers,
 9+                        xs_str *body, int b_size, int *status,
10+                        xs_str **payload, int *p_size, int timeout);
11 
12 #ifdef XS_IMPLEMENTATION
13 
14 #include <curl/curl.h>
15 
16 static size_t _header_callback(char *buffer, size_t size,
17-                               size_t nitems, d_char **userdata)
18+                               size_t nitems, xs_dict **userdata)
19 {
20-    d_char *headers = *userdata;
21+    xs_dict *headers = *userdata;
22     xs *l;
23 
24     /* get the line */
25@@ -83,15 +83,17 @@ static int _post_callback(char *buffer, size_t size,
26 }
27 
28 
29-d_char *xs_http_request(char *method, char *url, d_char *headers,
30-                        d_char *body, int b_size, int *status,
31-                        d_char **payload, int *p_size, int timeout)
32+xs_dict *xs_http_request(char *method, char *url, xs_dict *headers,
33+                        xs_str *body, int b_size, int *status,
34+                        xs_str **payload, int *p_size, int timeout)
35 /* does an HTTP request */
36 {
37-    d_char *response;
38+    xs_dict *response;
39     CURL *curl;
40     struct curl_slist *list = NULL;
41-    char *k, *v, *p;
42+    xs_dict *p;
43+    xs_str *k;
44+    xs_val *v;
45     long lstatus;
46     struct _payload_data pd;
47 
+14, -14
 1@@ -4,19 +4,19 @@
 2 
 3 #define _XS_ENCDEC_H
 4 
 5- d_char *xs_hex_enc(const char *data, int size);
 6- d_char *xs_hex_dec(const char *hex, int *size);
 7- d_char *xs_base64_enc(const char *data, int sz);
 8- d_char *xs_base64_dec(const char *data, int *size);
 9- d_char *xs_utf8_enc(d_char *str, unsigned int cpoint);
10+ xs_str *xs_hex_enc(const xs_val *data, int size);
11+ xs_val *xs_hex_dec(const xs_str *hex, int *size);
12+ xs_str *xs_base64_enc(const xs_val *data, int sz);
13+ xs_val *xs_base64_dec(const xs_str *data, int *size);
14+ xs_str *xs_utf8_enc(xs_str *str, unsigned int cpoint);
15 
16 
17 #ifdef XS_IMPLEMENTATION
18 
19-d_char *xs_hex_enc(const char *data, int size)
20+xs_str *xs_hex_enc(const xs_val *data, int size)
21 /* returns an hexdump of data */
22 {
23-    d_char *s;
24+    xs_str *s;
25     char *p;
26     int n;
27 
28@@ -33,11 +33,11 @@ d_char *xs_hex_enc(const char *data, int size)
29 }
30 
31 
32-d_char *xs_hex_dec(const char *hex, int *size)
33+xs_val *xs_hex_dec(const xs_str *hex, int *size)
34 /* decodes an hexdump into data */
35 {
36     int sz = strlen(hex);
37-    d_char *s = NULL;
38+    xs_val *s = NULL;
39     char *p;
40     int n;
41 
42@@ -65,10 +65,10 @@ d_char *xs_hex_dec(const char *hex, int *size)
43 }
44 
45 
46-d_char *xs_base64_enc(const char *data, int sz)
47+xs_str *xs_base64_enc(const xs_val *data, int sz)
48 /* encodes data to base64 */
49 {
50-    d_char *s;
51+    xs_str *s;
52     unsigned char *p;
53     char *i;
54     int bsz, n;
55@@ -110,10 +110,10 @@ d_char *xs_base64_enc(const char *data, int sz)
56 }
57 
58 
59-d_char *xs_base64_dec(const char *data, int *size)
60+xs_val *xs_base64_dec(const xs_str *data, int *size)
61 /* decodes data from base64 */
62 {
63-    d_char *s = NULL;
64+    xs_val *s = NULL;
65     int sz = 0;
66     char *p;
67     static char *b64_tbl = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
68@@ -171,7 +171,7 @@ d_char *xs_base64_dec(const char *data, int *size)
69 }
70 
71 
72-d_char *xs_utf8_enc(d_char *str, unsigned int cpoint)
73+xs_str *xs_utf8_enc(xs_str *str, unsigned int cpoint)
74 /* encodes an Unicode codepoint to utf8 */
75 {
76     unsigned char tmp[4];
+3, -3
 1@@ -4,7 +4,7 @@
 2 
 3 #define _XS_GLOB_H
 4 
 5-d_char *xs_glob_n(const char *spec, int basename, int reverse, int max);
 6+xs_list *xs_glob_n(const char *spec, int basename, int reverse, int max);
 7 #define xs_glob(spec, basename, reverse) xs_glob_n(spec, basename, reverse, XS_ALL)
 8 
 9 
10@@ -12,11 +12,11 @@ d_char *xs_glob_n(const char *spec, int basename, int reverse, int max);
11 
12 #include <glob.h>
13 
14-d_char *xs_glob_n(const char *spec, int basename, int reverse, int max)
15+xs_list *xs_glob_n(const char *spec, int basename, int reverse, int max)
16 /* does a globbing and returns the found files */
17 {
18     glob_t globbuf;
19-    d_char *list = xs_list_new();
20+    xs_list *list = xs_list_new();
21 
22     if (glob(spec, 0, NULL, &globbuf) == 0) {
23         int n;
+22, -21
  1@@ -4,18 +4,18 @@
  2 
  3 #define _XS_HTTPD_H
  4 
  5-d_char *xs_url_dec(char *str);
  6-d_char *xs_url_vars(char *str);
  7-d_char *xs_httpd_request(FILE *f, d_char **payload, int *p_size);
  8-void xs_httpd_response(FILE *f, int status, d_char *headers, char *body, int b_size);
  9+xs_str *xs_url_dec(char *str);
 10+xs_dict *xs_url_vars(char *str);
 11+xs_dict *xs_httpd_request(FILE *f, xs_str **payload, int *p_size);
 12+void xs_httpd_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b_size);
 13 
 14 
 15 #ifdef XS_IMPLEMENTATION
 16 
 17-d_char *xs_url_dec(char *str)
 18+xs_str *xs_url_dec(char *str)
 19 /* decodes an URL */
 20 {
 21-    d_char *s = xs_str_new(NULL);
 22+    xs_str *s = xs_str_new(NULL);
 23 
 24     while (*str) {
 25         if (*str == '%') {
 26@@ -41,19 +41,19 @@ d_char *xs_url_dec(char *str)
 27 }
 28 
 29 
 30-d_char *xs_url_vars(char *str)
 31+xs_dict *xs_url_vars(char *str)
 32 /* parse url variables */
 33 {
 34-    d_char *vars;
 35+    xs_dict *vars;
 36 
 37     vars = xs_dict_new();
 38 
 39     if (str != NULL) {
 40-        char *v, *l;
 41-        xs *args;
 42-
 43         /* split by arguments */
 44-        args = xs_split(str, "&");
 45+        xs *args = xs_split(str, "&");
 46+
 47+        xs_list *l;
 48+        xs_val *v;
 49 
 50         l = args;
 51         while (xs_list_iter(&l, &v)) {
 52@@ -69,7 +69,7 @@ d_char *xs_url_vars(char *str)
 53 }
 54 
 55 
 56-d_char *_xs_multipart_form_data(char *payload, int p_size, char *header)
 57+xs_dict *_xs_multipart_form_data(xs_str *payload, int p_size, char *header)
 58 /* parses a multipart/form-data payload */
 59 {
 60     xs *boundary = NULL;
 61@@ -89,7 +89,7 @@ d_char *_xs_multipart_form_data(char *payload, int p_size, char *header)
 62 
 63     bsz = strlen(boundary);
 64 
 65-    d_char *p_vars = xs_dict_new();
 66+    xs_dict *p_vars = xs_dict_new();
 67 
 68     /* iterate searching the boundaries */
 69     while ((p = xs_memmem(payload + offset, p_size - offset, boundary, bsz)) != NULL) {
 70@@ -173,12 +173,11 @@ d_char *_xs_multipart_form_data(char *payload, int p_size, char *header)
 71 }
 72 
 73 
 74-d_char *xs_httpd_request(FILE *f, d_char **payload, int *p_size)
 75+xs_dict *xs_httpd_request(FILE *f, xs_str **payload, int *p_size)
 76 /* processes an httpd connection */
 77 {
 78-    d_char *req = NULL;
 79-    xs *q_vars  = NULL;
 80-    xs *p_vars  = NULL;
 81+    xs *q_vars = NULL;
 82+    xs *p_vars = NULL;
 83     xs *l1, *l2;
 84     char *v;
 85 
 86@@ -193,7 +192,7 @@ d_char *xs_httpd_request(FILE *f, d_char **payload, int *p_size)
 87         return NULL;
 88     }
 89 
 90-    req = xs_dict_new();
 91+    xs_dict *req = xs_dict_new();
 92 
 93     req = xs_dict_append(req, "method", xs_list_get(l2, 0));
 94     req = xs_dict_append(req, "proto",  xs_list_get(l2, 2));
 95@@ -258,11 +257,13 @@ d_char *xs_httpd_request(FILE *f, d_char **payload, int *p_size)
 96 }
 97 
 98 
 99-void xs_httpd_response(FILE *f, int status, d_char *headers, char *body, int b_size)
100+void xs_httpd_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b_size)
101 /* sends an httpd response */
102 {
103     xs *proto;
104-    char *p, *k, *v;
105+    xs_dict *p;
106+    xs_str *k;
107+    xs_val *v;
108 
109     proto = xs_fmt("HTTP/1.1 %d ", status);
110     fprintf(f, "%s\r\n", proto);
+8, -8
 1@@ -4,17 +4,17 @@
 2 
 3 #define _XS_IO_H
 4 
 5-d_char *xs_readline(FILE *f);
 6-d_char *xs_read(FILE *f, int *size);
 7-d_char *xs_readall(FILE *f);
 8+xs_str *xs_readline(FILE *f);
 9+xs_val *xs_read(FILE *f, int *size);
10+xs_val *xs_readall(FILE *f);
11 
12 
13 #ifdef XS_IMPLEMENTATION
14 
15-d_char *xs_readline(FILE *f)
16+xs_str *xs_readline(FILE *f)
17 /* reads a line from a file */
18 {
19-    d_char *s = NULL;
20+    xs_str *s = NULL;
21 
22     errno = 0;
23 
24@@ -38,10 +38,10 @@ d_char *xs_readline(FILE *f)
25 }
26 
27 
28-d_char *xs_read(FILE *f, int *sz)
29+xs_val *xs_read(FILE *f, int *sz)
30 /* reads up to size bytes from f */
31 {
32-    d_char *s  = NULL;
33+    xs_val *s  = NULL;
34     int size   = *sz;
35     int rdsz   = 0;
36 
37@@ -76,7 +76,7 @@ d_char *xs_read(FILE *f, int *sz)
38 }
39 
40 
41-d_char *xs_readall(FILE *f)
42+xs_val *xs_readall(FILE *f)
43 /* reads the rest of the file into a string */
44 {
45     int size = XS_ALL;
+6, -6
 1@@ -4,9 +4,9 @@
 2 
 3 #define _XS_JSON_H
 4 
 5-d_char *xs_json_dumps_pp(char *data, int indent);
 6+xs_str *xs_json_dumps_pp(xs_val *data, int indent);
 7 #define xs_json_dumps(data) xs_json_dumps_pp(data, 0)
 8-d_char *xs_json_loads(const char *json);
 9+xs_val *xs_json_loads(const xs_str *json);
10 
11 
12 #ifdef XS_IMPLEMENTATION
13@@ -148,11 +148,11 @@ d_char *_xs_json_dumps(d_char *s, char *data, int level, int indent)
14 }
15 
16 
17-d_char *xs_json_dumps_pp(char *data, int indent)
18+xs_str *xs_json_dumps_pp(xs_val *data, int indent)
19 /* dumps a piece of data as JSON */
20 {
21     xstype t = xs_type(data);
22-    d_char *s = NULL;
23+    xs_str *s = NULL;
24 
25     if (t == XSTYPE_LIST || t == XSTYPE_DICT) {
26         s = xs_str_new(NULL);
27@@ -481,10 +481,10 @@ d_char *_xs_json_loads_object(const char **json, js_type *t)
28 }
29 
30 
31-d_char *xs_json_loads(const char *json)
32+xs_val *xs_json_loads(const xs_str *json)
33 /* loads a string in JSON format and converts to a multiple data */
34 {
35-    d_char *v = NULL;
36+    xs_val *v = NULL;
37     js_type t;
38 
39     xs_free(_xs_json_loads_lexer(&json, &t));
+17, -17
 1@@ -4,14 +4,14 @@
 2 
 3 #define _XS_OPENSSL_H
 4 
 5-d_char *xs_md5_hex(const void *input, int size);
 6-d_char *xs_sha1_hex(const void *input, int size);
 7-d_char *xs_sha256_hex(const void *input, int size);
 8-d_char *xs_sha256_base64(const void *input, int size);
 9-d_char *xs_rsa_genkey(int bits);
10-d_char *xs_rsa_sign(const char *secret, const char *mem, int size);
11+xs_str *xs_md5_hex(const xs_val *input, int size);
12+xs_str *xs_sha1_hex(const xs_val *input, int size);
13+xs_str *xs_sha256_hex(const xs_val *input, int size);
14+xs_str *xs_sha256_base64(const xs_val *input, int size);
15+xs_dict *xs_rsa_genkey(int bits);
16+xs_str *xs_rsa_sign(const char *secret, const char *mem, int size);
17 int xs_rsa_verify(const char *pubkey, const char *mem, int size, const char *b64sig);
18-d_char *xs_evp_sign(const char *secret, const char *mem, int size);
19+xs_str *xs_evp_sign(const char *secret, const char *mem, int size);
20 int xs_evp_verify(const char *pubkey, const char *mem, int size, const char *b64sig);
21 
22 
23@@ -23,7 +23,7 @@ int xs_evp_verify(const char *pubkey, const char *mem, int size, const char *b64
24 #include "openssl/pem.h"
25 #include "openssl/evp.h"
26 
27-d_char *xs_md5_hex(const void *input, int size)
28+xs_str *xs_md5_hex(const xs_val *input, int size)
29 {
30     unsigned char md5[16];
31     MD5_CTX ctx;
32@@ -36,7 +36,7 @@ d_char *xs_md5_hex(const void *input, int size)
33 }
34 
35 
36-d_char *xs_sha1_hex(const void *input, int size)
37+xs_str *xs_sha1_hex(const xs_val *input, int size)
38 {
39     unsigned char sha1[20];
40     SHA_CTX ctx;
41@@ -61,7 +61,7 @@ unsigned char *_xs_sha256(const void *input, int size, unsigned char *sha256)
42 }
43 
44 
45-d_char *xs_sha256_hex(const void *input, int size)
46+xs_str *xs_sha256_hex(const xs_val *input, int size)
47 {
48     unsigned char sha256[32];
49 
50@@ -71,7 +71,7 @@ d_char *xs_sha256_hex(const void *input, int size)
51 }
52 
53 
54-d_char *xs_sha256_base64(const void *input, int size)
55+xs_str *xs_sha256_base64(const xs_val *input, int size)
56 {
57     unsigned char sha256[32];
58 
59@@ -81,12 +81,12 @@ d_char *xs_sha256_base64(const void *input, int size)
60 }
61 
62 
63-d_char *xs_rsa_genkey(int bits)
64+xs_dict *xs_rsa_genkey(int bits)
65 /* generates an RSA keypair */
66 {
67     BIGNUM *bne;
68     RSA *rsa;
69-    d_char *keypair = NULL;
70+    xs_dict *keypair = NULL;
71 
72     if ((bne = BN_new()) != NULL) {
73         if (BN_set_word(bne, RSA_F4) == 1) {
74@@ -119,10 +119,10 @@ d_char *xs_rsa_genkey(int bits)
75 }
76 
77 
78-d_char *xs_rsa_sign(const char *secret, const char *mem, int size)
79+xs_str *xs_rsa_sign(const char *secret, const char *mem, int size)
80 /* signs a memory block (secret is in PEM format) */
81 {
82-    d_char *signature = NULL;
83+    xs_str *signature = NULL;
84     BIO *b;
85     RSA *rsa;
86     unsigned char *sig;
87@@ -176,10 +176,10 @@ int xs_rsa_verify(const char *pubkey, const char *mem, int size, const char *b64
88 }
89 
90 
91-d_char *xs_evp_sign(const char *secret, const char *mem, int size)
92+xs_str *xs_evp_sign(const char *secret, const char *mem, int size)
93 /* signs a memory block (secret is in PEM format) */
94 {
95-    d_char *signature = NULL;
96+    xs_str *signature = NULL;
97     BIO *b;
98     unsigned char *sig;
99     unsigned int sig_len;
+10, -9
 1@@ -4,22 +4,22 @@
 2 
 3 #define _XS_REGEX_H
 4 
 5-d_char *xs_regex_split_n(const char *str, const char *rx, int count);
 6+xs_list *xs_regex_split_n(const char *str, const char *rx, int count);
 7 #define xs_regex_split(str, rx) xs_regex_split_n(str, rx, XS_ALL)
 8-d_char *xs_regex_match_n(const char *str, const char *rx, int count);
 9+xs_list *xs_regex_match_n(const char *str, const char *rx, int count);
10 #define xs_regex_match(str, rx) xs_regex_match_n(str, rx, XS_ALL)
11 
12 #ifdef XS_IMPLEMENTATION
13 
14 #include <regex.h>
15 
16-d_char *xs_regex_split_n(const char *str, const char *rx, int count)
17+xs_list *xs_regex_split_n(const char *str, const char *rx, int count)
18 /* splits str by regex */
19 {
20     regex_t re;
21     regmatch_t rm;
22     int offset = 0;
23-    d_char *list = NULL;
24+    xs_list *list = NULL;
25     const char *p;
26 
27     if (regcomp(&re, rx, REG_EXTENDED))
28@@ -30,11 +30,11 @@ d_char *xs_regex_split_n(const char *str, const char *rx, int count)
29     while (count > 0 && !regexec(&re, (p = str + offset), 1, &rm, offset > 0 ? REG_NOTBOL : 0)) {
30         /* add first the leading part of the string */
31         list = xs_list_append_m(list, p, rm.rm_so);
32-        list = xs_str_cat(list, "");
33+        list = xs_insert_m(list, xs_size(list) - 1, "", 1);
34 
35         /* add now the matched text as the separator */
36         list = xs_list_append_m(list, p + rm.rm_so, rm.rm_eo - rm.rm_so);
37-        list = xs_str_cat(list, "");
38+        list = xs_insert_m(list, xs_size(list) - 1, "", 1);
39 
40         /* move forward */
41         offset += rm.rm_eo;
42@@ -51,12 +51,13 @@ d_char *xs_regex_split_n(const char *str, const char *rx, int count)
43 }
44 
45 
46-d_char *xs_regex_match_n(const char *str, const char *rx, int count)
47+xs_list *xs_regex_match_n(const char *str, const char *rx, int count)
48 /* returns a list with upto count matches */
49 {
50-    d_char *list = xs_list_new();
51+    xs_list *list = xs_list_new();
52     xs *split = NULL;
53-    char *p, *v;
54+    xs_list *p;
55+    xs_val *v;
56     int n = 0;
57 
58     /* split */
+6, -6
 1@@ -8,13 +8,13 @@ typedef struct _xs_set {
 2     int elems;              /* number of hash entries */
 3     int used;               /* number of used hash entries */
 4     int *hash;              /* hashed offsets */
 5-    d_char *list;           /* list of stored data */
 6+    xs_list *list;          /* list of stored data */
 7 } xs_set;
 8 
 9 void xs_set_init(xs_set *s);
10-d_char *xs_set_result(xs_set *s);
11+xs_list *xs_set_result(xs_set *s);
12 void xs_set_free(xs_set *s);
13-int xs_set_add(xs_set *s, const char *data);
14+int xs_set_add(xs_set *s, const xs_val *data);
15 
16 
17 #ifdef XS_IMPLEMENTATION
18@@ -33,10 +33,10 @@ void xs_set_init(xs_set *s)
19 }
20 
21 
22-d_char *xs_set_result(xs_set *s)
23+xs_list *xs_set_result(xs_set *s)
24 /* returns the set as a list and frees it */
25 {
26-    d_char *list = s->list;
27+    xs_list *list = s->list;
28     s->list = NULL;
29     s->hash = xs_free(s->hash);
30 
31@@ -93,7 +93,7 @@ static int _store_hash(xs_set *s, const char *data, int value)
32 }
33 
34 
35-int xs_set_add(xs_set *s, const char *data)
36+int xs_set_add(xs_set *s, const xs_val *data)
37 /* adds the data to the set */
38 /* returns: 1 if added, 0 if already there */
39 {
+3, -3
 1@@ -6,7 +6,7 @@
 2 
 3 #include <time.h>
 4 
 5-d_char *xs_str_time(time_t t, const char *fmt, int local);
 6+xs_str *xs_str_time(time_t t, const char *fmt, int local);
 7 #define xs_str_localtime(t, fmt) xs_str_time(t, fmt, 1)
 8 #define xs_str_utctime(t, fmt)   xs_str_time(t, fmt, 0)
 9 time_t xs_parse_time(const char *str, const char *fmt, int local);
10@@ -15,8 +15,8 @@ time_t xs_parse_time(const char *str, const char *fmt, int local);
11 
12 #ifdef XS_IMPLEMENTATION
13 
14-d_char *xs_str_time(time_t t, const char *fmt, int local)
15-/* returns a d_char with a formated time */
16+xs_str *xs_str_time(time_t t, const char *fmt, int local)
17+/* returns a string with a formated time */
18 {
19     struct tm tm;
20     char tmp[64];
+1, -1
1@@ -1 +1 @@
2-/* f64030f1449390169bd09bdcbb052b1a70f8002a */
3+/* 86f70ffc75a8c9601adde42146af65c14d41518a */