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- #include <stdio.h>
- #include <errno.h>
- #include <stdlib.h>
- #include <unistd.h>
-
- extern void __chkabort(void);
- extern int __fflush(FILE *stream);
-
- size_t fwrite(void *ptr,size_t size,size_t nmemb,FILE *stream)
- {
- signed long subsize;
- unsigned long total;
- unsigned char *b;
- __chkabort();
- if (!(total=size*nmemb))
- return 0;
- b=(unsigned char *)ptr;
- if(stream->flags&64) /* Error on stream */
- { errno=EPERM;
- return 0; }
- if(stream->flags&8)
- { if(__fflush(stream))
- return 0;
- }else if(stream->flags&4)
- {
- stream->incount=0; /* throw away input buffer */
- stream->tmpp=NULL;
- stream->flags&=~4;
- }
- while(total)
- { /* write buffer */
- if((subsize=write(stream->file,b,total))<0)
- {
- stream->flags|=64; /* error flag */
- break;
- }
- total=total-subsize;
- b=b+subsize;
- }
- return (b-(unsigned char *)ptr)/size;
- }
-