Snippets for xar 503 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/7qkyqcz5bxp73z474c4pw1nss3rrj7iy-xar-503.drv.

• lib/archive.c:522:33: warning: passing argument 2 of 'readlink' from incompatible pointer type [-Wincompatible-pointer-types]
    522 |         if (readlink(proc_buff, &path_buff, PATH_MAX) < 0) {
        |                                 ^~~~~~~~~~
        |                                 |
        |                                 char (*)[4096]
  

• lib/archive.c:641:41: warning: unused variable 'rbytes' [-Wunused-variable]
    641 |                 int fd, r, off, wbytes, rbytes;
        |                                         ^~~~~~
  

• lib/archive.c:635:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
    635 |         int ret, retval = 0;
        |             ^~~
  

• lib/archive.c:984:20: warning: unused variable 'currentAttr' [-Wunused-variable]
    984 |         xar_attr_t currentAttr, a;
        |                    ^~~~~~~~~~~
  

• lib/archive.c:1741:19: warning: variable 'noattr' set but not used [-Wunused-but-set-variable]
   1741 |         int type, noattr, ret;
        |                   ^~~~~~
  

• lib/archive.c:1740:40: warning: variable 'uri' set but not used [-Wunused-but-set-variable]
   1740 |         const xmlChar *name, *prefix, *uri;
        |                                        ^~~
  

• lib/archive.c:1740:31: warning: variable 'prefix' set but not used [-Wunused-but-set-variable]
   1740 |         const xmlChar *name, *prefix, *uri;
        |                               ^~~~~~
  

• lib/archive.c:238:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    238 |                 asprintf(&tmp4, "%s/xar.heap.XXXXXX", XAR(ret)->dirname);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:695:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    695 |                 asprintf(&tmpser, "%s/xar.toc.XXXXXX", XAR(x)->dirname);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:700:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    700 |                 asprintf(&tmpser, "%s/xar.toc.XXXXXX", XAR(x)->dirname);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:805:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    805 |                 write(XAR(x)->fd, &XAR(x)->header, sizeof(xar_header_t));
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:838:25: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    838 |                         write(XAR(x)->fd, chkstr, chklen);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:870:41: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    870 |                                         write(XAR(x)->fd, signed_data,XAR_SIGNATURE(sig)->len);
        |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1241:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1241 |                 asprintf(&prefixstr, "%s../", prefix);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1151:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1151 |                         asprintf(&tmp, "%s", realpath);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1153:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1153 |                         asprintf(&tmp, "%s%s%s", XAR(x)->path_prefix, prefix, name);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1187:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1187 |                         asprintf(&tmp, "%s", realpath);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1189:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1189 |                         asprintf(&tmp, "%s/%s%s", path, prefix, name);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1062:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1062 |                         asprintf(&tmp, "%s", realpath);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1064:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1064 |                         asprintf(&tmp, "%s%s%s", XAR(x)->path_prefix, prefix, name);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1098:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1098 |                         asprintf(&tmp, "%s", realpath);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/archive.c:1100:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1100 |                         asprintf(&tmp, "%s/%s%s", path, prefix, name);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/darwinattr.c:445:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    445 |                 asprintf(&nupath, "%s/%s", dname, nonunderbar);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/darwinattr.c:458:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    458 |                 asprintf(&tmp2, "%s/..namedfork/rsrc", nupath);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/darwinattr.c:664:9: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    664 |         write(DARWINATTR_CONTEXT(context)->fd, &ash, XAR_ASH_SIZE);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/darwinattr.c:670:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    670 |                 write(DARWINATTR_CONTEXT(context)->fd, &ase, 12);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/darwinattr.c:677:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    677 |                 write(DARWINATTR_CONTEXT(context)->fd, &ase, 12);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/ea.c:71:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
     71 |         asprintf((char **)&XAR_ATTR(XAR_PROP(XAR_EA(ret)->prop)->attrs)->value, "%"PRId64, XAR_FILE(f)->nexteaid++);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/err.c:75:9: warning: ignoring return value of 'vasprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
     75 |         vasprintf(&msg, format, arg);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/ext2.c:115:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    115 |         asprintf(&vstr, "%d", version);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/filetree.c:416:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    416 |                         asprintf(&XAR_ITER(i)->path, "%s/%s", tmp, XAR_PROP(p)->key);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/filetree.c:451:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    451 |                 asprintf((char **)&XAR_ITER(i)->node, "%s/%s", XAR_ITER(i)->path, XAR_PROP(p)->key);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/filetree.c:689:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    689 |         asprintf(&tmp, "%s/%s", k, key);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/filetree.c:1167:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1167 |                         asprintf(&XAR_ITER(i)->path, "%s/%s", tmp, name);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/filetree.c:1438:41: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1438 |                                         asprintf((char **)&XAR_FILE(f)->fspath, "%s/%s", XAR_FILE(XAR_FILE(f)->parent)->fspath, safe_name);
        |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/io.c:416:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    416 |         asprintf(&tmpstr, "%"PRIu64, readsize);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/io.c:420:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    420 |         asprintf(&tmpstr, "%"PRIu64, (uint64_t)orig_heap_offset);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/io.c:432:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    432 |         asprintf(&tmpstr, "%"PRIu64, writesize);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/io.c:612:9: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    612 |         asprintf(&tmpstr, "%"PRIu64, (uint64_t)orig_heap_offset);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/linuxattr.c:112:23: warning: implicit declaration of function 'malloc' [-Wimplicit-function-declaration]
    112 |                 buf = malloc(bufsz);
        |                       ^~~~~~
  

• lib/linuxattr.c:112:23: warning: incompatible implicit declaration of built-in function 'malloc' [-Wbuiltin-declaration-mismatch]
    112 |                 buf = malloc(bufsz);
        |                       ^~~~~~
  

• lib/linuxattr.c:119:25: warning: implicit declaration of function 'free' [-Wimplicit-function-declaration]
    119 |                         free(buf);
        |                         ^~~~
  

• lib/linuxattr.c:119:25: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
  

• lib/linuxattr.c:172:15: warning: incompatible implicit declaration of built-in function 'malloc' [-Wbuiltin-declaration-mismatch]
    172 |         buf = malloc(bufsz);
        |               ^~~~~~
  

• lib/linuxattr.c:178:47: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
    178 |                 case ERANGE: bufsz = bufsz*2; free(buf); goto TRYAGAIN;
        |                                               ^~~~
  

• lib/linuxattr.c:211:25: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
    211 |                         free(context.buf);
        |                         ^~~~
  

• lib/linuxattr.c:220:9: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
    220 |         free(buf);
        |         ^~~~
  

• lib/linuxattr.c:250:17: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
    250 |                 free(tmp);
        |                 ^~~~
  

• lib/hash.c:193:17: warning: '__builtin___strncat_chk' output may be truncated copying 2 bytes from a string of length 2 [-Wstringop-truncation]
    193 |                 strncat(result,hexValue,2);
        |                 ^
  

• lib/stat.c:704:16: warning: unused variable 'modet' [-Wunused-variable]
    704 |         mode_t modet = 0;
        |                ^~~~~
  

• lib/stat.c:463:17: warning: ignoring return value of 'readlink' declared with attribute 'warn_unused_result' [-Wunused-result]
    463 |                 readlink(file, link, sizeof(link)-1);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/stat.c:474:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    474 |                 asprintf(&tmpstr, "%"INO_STRING, XAR(x)->sbcache.st_ino);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/stat.c:480:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    480 |                 asprintf(&tmpstr, "%"DEV_STRING, XAR(x)->sbcache.st_dev);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/stat.c:486:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    486 |                 asprintf(&tmpstr, "%04o", XAR(x)->sbcache.st_mode & (~S_IFMT));
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/stat.c:492:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    492 |                 asprintf(&tmpstr, "%"PRIu64, (uint64_t)XAR(x)->sbcache.st_uid);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/stat.c:504:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    504 |                 asprintf(&tmpstr, "%"PRIu64, (uint64_t)XAR(x)->sbcache.st_gid);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/subdoc.c:126:17: warning: 'use' is deprecated [-Wdeprecated-declarations]
    126 |                 *size = buf->use;
        |                 ^
  

• lib/subdoc.c:127:9: warning: 'size' is deprecated [-Wdeprecated-declarations]
    127 |         *ret = malloc(buf->size);
        |         ^
  

• lib/subdoc.c:134:9: warning: 'content' is deprecated [-Wdeprecated-declarations]
    134 |         memcpy(*ret, buf->content, *size);
        |         ^~~~~~
  

• lib/strmode.h:39:1: warning: old-style function definition [-Wold-style-definition]
     39 | strmode(mode, p)
        | ^~~~~~~
  

• lib/util.c:228:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    228 |                         asprintf(&ret, "%s/%s", name, tmp);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/util.c:257:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    257 |                         asprintf(&ret, "%s/%s", name, tmp);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/macho.c:244:33: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    244 |                                 asprintf(&typestr2, "contents/%s/type", cpustr);
        |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• lib/macho.c:322:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    322 |                         asprintf(&propstr, "contents/%s/library", tmpstr);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• src/xar.c:911:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
    911 |         int ret;
        |             ^~~
  

• src/xar.c:1028:25: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
   1028 |                         asprintf(&Subdoc, "%s.xml", SubdocName);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• src/xar.c:146:9: warning: ignoring return value of 'read' declared with attribute 'warn_unused_result' [-Wunused-result]
    146 |         read(fd, buf, len);
        |         ^~~~~~~~~~~~~~~~~~
  

• src/xar.c:341:17: warning: ignoring return value of 'asprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
    341 |                 asprintf(&tmp->str, "%s/.*", args[argi]);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• src/xar.c:167:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    167 |                 write(fd, sdoc, size);
        |                 ^~~~~~~~~~~~~~~~~~~~~