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#ifndef KSTRING_H
#define KSTRING_H
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#ifdef USE_MALLOC_WRAPPERS
# include "malloc_wrap.h"
#endif
#ifndef kroundup32
#define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x))
#endif
#ifndef KSTRING_T
#define KSTRING_T kstring_t
typedef struct __kstring_t {
size_t l, m;
char *s;
} kstring_t;
#endif
static inline void ks_resize(kstring_t *s, size_t size)
{
if (s->m < size) {
s->m = size;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
}
static inline int kputsn(const char *p, int l, kstring_t *s)
{
if (s->l + l + 1 >= s->m) {
s->m = s->l + l + 2;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
memcpy(s->s + s->l, p, l);
s->l += l;
s->s[s->l] = 0;
return l;
}
static inline int kputs(const char *p, kstring_t *s)
{
return kputsn(p, strlen(p), s);
}
static inline int kputc(int c, kstring_t *s)
{
if (s->l + 1 >= s->m) {
s->m = s->l + 2;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
s->s[s->l++] = c;
s->s[s->l] = 0;
return c;
}
static inline int kputw(int c, kstring_t *s)
{
char buf[16];
int l, x;
if (c == 0) return kputc('0', s);
for (l = 0, x = c < 0? -c : c; x > 0; x /= 10) buf[l++] = x%10 + '0';
if (c < 0) buf[l++] = '-';
if (s->l + l + 1 >= s->m) {
s->m = s->l + l + 2;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
for (x = l - 1; x >= 0; --x) s->s[s->l++] = buf[x];
s->s[s->l] = 0;
return 0;
}
static inline int kputuw(unsigned c, kstring_t *s)
{
char buf[16];
int l, i;
unsigned x;
if (c == 0) return kputc('0', s);
for (l = 0, x = c; x > 0; x /= 10) buf[l++] = x%10 + '0';
if (s->l + l + 1 >= s->m) {
s->m = s->l + l + 2;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
for (i = l - 1; i >= 0; --i) s->s[s->l++] = buf[i];
s->s[s->l] = 0;
return 0;
}
static inline int kputl(long c, kstring_t *s)
{
char buf[32];
long l, x;
if (c == 0) return kputc('0', s);
for (l = 0, x = c < 0? -c : c; x > 0; x /= 10) buf[l++] = x%10 + '0';
if (c < 0) buf[l++] = '-';
if (s->l + l + 1 >= s->m) {
s->m = s->l + l + 2;
kroundup32(s->m);
s->s = (char*)realloc(s->s, s->m);
}
for (x = l - 1; x >= 0; --x) s->s[s->l++] = buf[x];
s->s[s->l] = 0;
return 0;
}
int bwa_kvsprintf(kstring_t *s, const char *fmt, va_list ap);
static inline int ksprintf(kstring_t *s, const char *fmt, ...)
{
va_list ap;
int l;
va_start(ap, fmt);
l = bwa_kvsprintf(s, fmt, ap);
va_end(ap);
return l;
}
static inline int kvsprintf(kstring_t *s, const char *fmt, va_list ap)
{
return bwa_kvsprintf(s, fmt, ap);
}
#endif
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