X-Git-Url: https://git.llucax.com/z.facultad/75.06/jacu.git/blobdiff_plain/386115f117ca5596508a088ef6e39bfbe2a68d59..6d6d7068e6cde94ff373ccfd25f1f9533fc75e70:/src/vfile/vfile.c

diff --git a/src/vfile/vfile.c b/src/vfile/vfile.c
index 05ef241..589d4aa 100644
--- a/src/vfile/vfile.c
+++ b/src/vfile/vfile.c
@@ -22,7 +22,7 @@
  * Autores: Leandro Lucarella <llucare@fi.uba.ar>
  *----------------------------------------------------------------------------
  *
- * $Id: bufford.c 624 2004-05-30 20:18:04Z llucare $
+ * $Id$
  *
  */
 
@@ -98,6 +98,11 @@ int vfclose(VFILE* vfp)
 	return ret;
 }
 
+int vfeof(VFILE* vfp)
+{
+	return vfp->lastvol && feof(vfp->fp);
+}
+
 int vfgetc(VFILE* vfp)
 {
 	int c;
@@ -127,20 +132,29 @@ int vfputc(int c, VFILE* vfp)
 
 size_t vfread(void* ptr, size_t size, size_t nmemb, VFILE* vfp)
 {
-	int i;
+	int c;
+	size_t i = 0;
 	size_t total = size * nmemb;
 	/* leo uno a uno y si hay error salgo. */
-	for (i = 0; i < total && (((char*)ptr)[i] = vfgetc(vfp)) != EOF; ++i);
-	return i % size;
+	while (i < total)
+	{
+		if ((c = vfgetc(vfp)) == EOF)
+		{
+			PERR("vfread: EOF");
+			break;
+		}
+		else ((char*)ptr)[i++] = c;
+	}
+	return i / size;
 }
 
 size_t vfwrite(const void *ptr, size_t size, size_t nmemb, VFILE* vfp)
 {
-	int i;
+	size_t i = 0;
 	size_t total = size * nmemb;
 	/* escribo uno a uno y si hay error salgo. */
-	for (i = 0; i < total && (vfputc(((char*)ptr)[i], vfp)) != EOF; ++i);
-	return i % size;
+	while (i < total && (vfputc(((char*)ptr)[i++], vfp)) != EOF);
+	return i / size;
 }
 
 int vfvol_close(VFILE* vfp)