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make sure buffer_get tries to get all the bytes it was asked for

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This commit is contained in:
leitner 2005-08-09 11:04:44 +00:00
parent f141d3e24f
commit 636cfb70b0
1 changed files with 13 additions and 6 deletions
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19
buffer/buffer_get.c
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@ -2,11 +2,18 @@
#include "buffer.h" #include "buffer.h"
int buffer_get(buffer* b,char* x,unsigned long int len) { int buffer_get(buffer* b,char* x,unsigned long int len) {
unsigned long done;
int blen; int blen;
if ((blen=buffer_feed(b))<0) return blen; done=0;
if ((unsigned long int) blen>=len) while (len) {
blen=len; if ((blen=buffer_feed(b))<=0) return blen;
byte_copy(x,blen,b->x+b->p); if ((unsigned long int) blen>=len)
b->p+=blen; blen=len;
return blen; byte_copy(x,blen,b->x+b->p);
b->p+=blen;
len-=blen;
x+=blen;
done+=blen;
}
return done;
} }