Fix some warn_unused_result compile warnings

[dump.git] / restore / tape.c

diff --git a/restore/tape.c b/restore/tape.c
index 395c99e9a81fb7a806a2acdca977653277c0146a..45d156f5abd02dfeff2b2fd718f9daf7b29ff8f6 100644 (file)
--- a/restore/tape.c
+++ b/restore/tape.c
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-       "$Id: tape.c,v 1.98 2010/06/11 09:57:31 stelian Exp $";
+       "$Id: tape.c,v 1.99 2010/06/11 11:19:17 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -522,7 +522,8 @@ again:
                do      {
                        fprintf(stderr, "Specify next volume # (none if no more volumes): ");
                        (void) fflush(stderr);
-                       (void) fgets(buf, TP_BSIZE, terminal);
+                       if (!fgets(buf, TP_BSIZE, terminal))
+                               break;
                } while (!feof(terminal) && buf[0] == '\n');
                if (feof(terminal))
                        exit(1);
@@ -585,7 +586,8 @@ again:
                fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape);
 #endif
                (void) fflush(stderr);
-               (void) fgets(buf, TP_BSIZE, terminal);
+               if (fgets(buf, TP_BSIZE, terminal))
+                       exit(1);
                if (feof(terminal))
                        exit(1);
                if (!strcmp(buf, "none\n")) {
@@ -872,8 +874,10 @@ extractfile(struct entry *ep, int doremove)
                        }
                        close(sk);
                }
-               (void) chown(name, luid, lgid);
-               (void) chmod(name, mode);
+               if (chown(name, luid, lgid) < 0)
+                       warn("%s: chown", name);
+               if (chmod(name, mode) < 0)
+                       warn("%s: chmod", name);
                extractattr(name);
                utimes(name, timep);
                if (flags)
@@ -929,7 +933,8 @@ extractfile(struct entry *ep, int doremove)
                        skipfile();
 
 #ifdef HAVE_LCHOWN
-               (void) lchown(name, luid, lgid);
+               if (lchown(name, luid, lgid) < 0)
+                       warn("%s: lchown", name);
 #endif
                extractattr(name);
                return (GOOD);
@@ -952,8 +957,10 @@ extractfile(struct entry *ep, int doremove)
                                return (FAIL);
                        }
                }
-               (void) chown(name, luid, lgid);
-               (void) chmod(name, mode);
+               if (chown(name, luid, lgid) < 0)
+                       warn("%s: chown", name);
+               if (chmod(name, mode) < 0)
+                       warn("%s: chmod", name);
                extractattr(name);
                utimes(name, timep);
                if (flags)
@@ -990,8 +997,10 @@ extractfile(struct entry *ep, int doremove)
                                return (FAIL);
                        }
                }
-               (void) chown(name, luid, lgid);
-               (void) chmod(name, mode);
+               if (chown(name, luid, lgid) < 0)
+                       warn("%s: chown", name);
+               if (chmod(name, mode) < 0)
+                       warn("%s: chmod", name);
                extractattr(name);
                utimes(name, timep);
                if (flags)
@@ -1039,8 +1048,10 @@ extractfile(struct entry *ep, int doremove)
                }
                else
                        skipfile();
-               (void) chown(name, luid, lgid);
-               (void) chmod(name, mode);
+               if (chown(name, luid, lgid) < 0)
+                       warn("%s: chown", name);
+               if (chmod(name, mode) < 0)
+                       warn("%s: chmod", name);
                extractattr(name);
                utimes(name, timep);
                if (flags)
@@ -1260,8 +1271,10 @@ extractresourceufs(char *name)
                /* and add the resource data from tape */
                getfile(xtrfile, xtrskip);
 
-               (void) fchown(ofile, uid, gid);
-               (void) fchmod(ofile, mode);
+               if (fchown(ofile, uid, gid) < 0)
+                       warn("%s: fchown", name);
+               if (fchmod(ofile, mode) < 0)
+                       warn("%s: fchmod", name);
                (void) close(ofile);
                utimes(oFileRsrc, timep);
                (void) lsetflags(oFileRsrc, flags);
@@ -1413,7 +1426,8 @@ loop:
                last_write_was_hole = 1;
        }
        if (last_write_was_hole) {
-               FTRUNCATE(ofile, origsize);
+               if (FTRUNCATE(ofile, origsize) < 0)
+                       warn("%s: ftruncate", curfile.name);
        }
        if (!readingmaps) 
                findinode(&spcl);
@@ -2407,8 +2421,8 @@ decompress_tapebuf(struct tapebuf *tpbin, int readsize)
        }
        if (reason) {
                if (lengtherr)
-                       fprintf(stderr, "%s compressed block: %d expected: %u\n",
-                               lengtherr, readsize, tpbin->length + PREFIXSIZE);
+                       fprintf(stderr, "%s compressed block: %d expected: %lu\n",
+                               lengtherr, readsize, (unsigned long)tpbin->length + PREFIXSIZE);
                fprintf(stderr, "decompression error, block %ld: %s\n",
                        tpblksread+1, reason);
                if (!cresult)