26 lines
578 B
C
26 lines
578 B
C
#include <string.h>
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#include "buffer.h"
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extern int buffer_stubborn(ssize_t (*op)(),int fd,const char* buf, size_t len,void* cookie);
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#ifndef __unlikely
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#ifdef __GNUC__
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#define __unlikely(x) __builtin_expect((x),0)
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#else
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#define __unlikely(x) (x)
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#endif
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#endif
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int buffer_put(buffer* b,const char* buf,size_t len) {
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if (__unlikely(len>b->a-b->p)) { /* doesn't fit */
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if (buffer_flush(b)==-1) return -1;
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if (len>b->a) {
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if (buffer_stubborn(b->op,b->fd,buf,len,b)<0) return -1;
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return 0;
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}
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}
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memcpy(b->x+b->p, buf, len);
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b->p+=len;
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return 0;
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}
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