9 #define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x))
13 #define KSTRING_T kstring_t
14 typedef struct __kstring_t {
22 const char *p; // end of the current token
29 int ksprintf(kstring_t *s, const char *fmt, ...);
30 int ksplit_core(char *s, int delimiter, int *_max, int **_offsets);
31 char *kstrstr(const char *str, const char *pat, int **_prep);
32 char *kstrnstr(const char *str, const char *pat, int n, int **_prep);
33 void *kmemmem(const void *_str, int n, const void *_pat, int m, int **_prep);
35 /* kstrtok() is similar to strtok_r() except that str is not
36 * modified and both str and sep can be NULL. For efficiency, it is
37 * actually recommended to set both to NULL in the subsequent calls
38 * if sep is not changed. */
39 char *kstrtok(const char *str, const char *sep, ks_tokaux_t *aux);
45 static inline int kputsn(const char *p, int l, kstring_t *s)
47 if (s->l + l + 1 >= s->m) {
50 s->s = (char*)realloc(s->s, s->m);
52 memcpy(s->s + s->l, p, l);
58 static inline int kputs(const char *p, kstring_t *s)
60 return kputsn(p, strlen(p), s);
63 static inline int kputc(int c, kstring_t *s)
65 if (s->l + 1 >= s->m) {
68 s->s = (char*)realloc(s->s, s->m);
75 static inline int kputw(int c, kstring_t *s)
79 if (c == 0) return kputc('0', s);
80 for (l = 0, x = c < 0? -c : c; x > 0; x /= 10) buf[l++] = x%10 + '0';
81 if (c < 0) buf[l++] = '-';
82 if (s->l + l + 1 >= s->m) {
85 s->s = (char*)realloc(s->s, s->m);
87 for (x = l - 1; x >= 0; --x) s->s[s->l++] = buf[x];
92 static inline int kputuw(unsigned c, kstring_t *s)
97 if (c == 0) return kputc('0', s);
98 for (l = 0, x = c; x > 0; x /= 10) buf[l++] = x%10 + '0';
99 if (s->l + l + 1 >= s->m) {
102 s->s = (char*)realloc(s->s, s->m);
104 for (i = l - 1; i >= 0; --i) s->s[s->l++] = buf[i];
109 static inline int *ksplit(kstring_t *s, int delimiter, int *n)
111 int max = 0, *offsets = 0;
112 *n = ksplit_core(s->s, delimiter, &max, &offsets);