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authorVolker Lendecke <vl@samba.org>2008-10-23 15:43:36 +0200
committerVolker Lendecke <vl@samba.org>2008-10-23 17:45:52 +0200
commit3f0406f609899e88f15f90688c0e49beadc72568 (patch)
tree81d96c45aa71e7980fb9cecdd07c410a5996878c /lib
parentdb65c3374ad337135a7bd4d67abced258c01c5bd (diff)
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Optimize x_fread to speed up the smbclient put command
Diffstat (limited to 'lib')
-rw-r--r--lib/util/xfile.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/util/xfile.c b/lib/util/xfile.c
index 94b0ee9b18..cf195706db 100644
--- a/lib/util/xfile.c
+++ b/lib/util/xfile.c
@@ -329,12 +329,27 @@ int x_fgetc(XFILE *f)
/** simulate fread */
size_t x_fread(void *p, size_t size, size_t nmemb, XFILE *f)
{
+ size_t remaining = size * nmemb;
size_t total = 0;
- while (total < size*nmemb) {
- int c = x_fgetc(f);
- if (c == EOF) break;
- (total+(char *)p)[0] = (char)c;
- total++;
+
+ while (remaining > 0) {
+ size_t thistime;
+
+ x_fillbuf(f);
+
+ if (f->bufused == 0) {
+ f->flags |= X_FLAG_EOF;
+ break;
+ }
+
+ thistime = MIN(f->bufused, remaining);
+
+ memcpy((char *)p+total, f->next, thistime);
+
+ f->next += thistime;
+ f->bufused -= thistime;
+ remaining -= thistime;
+ total += thistime;
}
return total/size;
}