X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Ffastbuf.c;h=0929f101a9c8a959bda89abe1c892711fe643051;hb=75eea53f8050dc1482de088b3cbd081b2511c5a4;hp=115719422b8844875edefb015f61170297c0494a;hpb=e38455f76749ff06f64649871ed5e33302389948;p=libucw.git

diff --git a/lib/fastbuf.c b/lib/fastbuf.c
index 11571942..0929f101 100644
--- a/lib/fastbuf.c
+++ b/lib/fastbuf.c
@@ -244,11 +244,11 @@ bgets(struct fastbuf *f, byte *b, uns l)
   int k;
 
   k = bgetc(f);
-  if (k == EOF)
+  if (k < 0)
     return NULL;
   while (b < e)
     {
-      if (k == '\n' || k == EOF)
+      if (k == '\n' || k < 0)
 	{
 	  *b = 0;
 	  return b;
@@ -259,6 +259,29 @@ bgets(struct fastbuf *f, byte *b, uns l)
   die("%s: Line too long", f->name);
 }
 
+int
+bgets_nodie(struct fastbuf *f, byte *b, uns l)
+{
+  byte *start = b;
+  byte *e = b + l - 1;
+  int k;
+
+  k = bgetc(f);
+  if (k < 0)
+    return 0;
+  while (b < e)
+    {
+      if (k == '\n' || k < 0)
+	{
+	  *b++ = 0;
+	  return b - start;
+	}
+      *b++ = k;
+      k = bgetc(f);
+    }
+  return -1;
+}
+
 byte *
 bgets0(struct fastbuf *f, byte *b, uns l)
 {
@@ -266,11 +289,11 @@ bgets0(struct fastbuf *f, byte *b, uns l)
   int k;
 
   k = bgetc(f);
-  if (k == EOF)
+  if (k < 0)
     return NULL;
   while (b < e)
     {
-      if (!k || k == EOF)
+      if (k <= 0)
 	{
 	  *b = 0;
 	  return b;
@@ -290,15 +313,20 @@ bbcopy_slow(struct fastbuf *f, struct fastbuf *t, uns l)
       uns favail, tavail, n;
 
       favail = bdirect_read_prepare(f, &fptr);
-      if (favail == (uns)EOF)
-	die("bbcopy: source exhausted");
+      if (!favail)
+	{
+	  if (l == ~0U)
+	    return;
+	  die("bbcopy: source exhausted");
+	}
       tavail = bdirect_write_prepare(t, &tptr);
       n = MIN(l, favail);
       n = MIN(n, tavail);
       memcpy(tptr, fptr, n);
       bdirect_read_commit(f, fptr + n);
       bdirect_write_commit(t, tptr + n);
-      l -= n;
+      if (l != ~0U)
+	l -= n;
     }
 }