X-Git-Url: https://git.sesse.net/?p=plocate;a=blobdiff_plain;f=complete_pread.cpp;h=3b369455f920304958d9fb3dee0bf08ffc43cc0b;hp=8571b33682deb85261d5bb13bfdcc91cfb41ac9f;hb=HEAD;hpb=63fd24efd774f1ed3f5dab82b934f35b7b039557

diff --git a/complete_pread.cpp b/complete_pread.cpp
index 8571b33..3b36945 100644
--- a/complete_pread.cpp
+++ b/complete_pread.cpp
@@ -15,7 +15,7 @@ bool try_complete_pread(int fd, void *ptr, size_t len, off_t offset)
 		}
 		ptr = reinterpret_cast<char *>(ptr) + ret;
 		len -= ret;
-		offset -= ret;
+		offset += ret;
 	}
 	return true;
 }
@@ -23,7 +23,11 @@ bool try_complete_pread(int fd, void *ptr, size_t len, off_t offset)
 void complete_pread(int fd, void *ptr, size_t len, off_t offset)
 {
 	if (!try_complete_pread(fd, ptr, len, offset)) {
-		perror("pread");
+		if (errno == 0) {
+			fprintf(stderr, "pread: Short read (file corrupted?)\n");
+		} else {
+			perror("pread");
+		}
 		exit(1);
 	}
 }