diff options
Diffstat (limited to 'toys/posix')
| -rw-r--r-- | toys/posix/file.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/toys/posix/file.c b/toys/posix/file.c index 0cd9047c..27b4c0c2 100644 --- a/toys/posix/file.c +++ b/toys/posix/file.c @@ -221,24 +221,20 @@ static void do_regular_file(int fd, char *name, struct stat *sb) else if (toybuf[5] == '1') cpioformat = "SVR4 with no CRC"; else if (toybuf[5] == '2') cpioformat = "SVR4 with CRC"; xprintf("ASCII cpio archive (%s)\n", cpioformat); - } - else if (len>33 && (magic=peek(&s,2), magic==0143561 || magic==070707)) { + } else if (len>33 && (magic=peek(&s,2), magic==0143561 || magic==070707)) { if (magic == 0143561) printf("byte-swapped "); xprintf("cpio archive\n"); - } // tar archive (ustar/pax or gnu) - else if (len>500 && !strncmp(s+257, "ustar", 5)) { + } else if (len>500 && !strncmp(s+257, "ustar", 5)) { xprintf("POSIX tar archive%s\n", strncmp(s+262," ",2)?"":" (GNU)"); - } // zip/jar/apk archive, ODF/OOXML document, or such - else if (len>5 && strstart(&s, "PK\03\04")) { + } else if (len>5 && strstart(&s, "PK\03\04")) { int ver = (int)(char)(toybuf[4]); xprintf("Zip archive data"); if (ver) xprintf(", requires at least v%d.%d to extract", ver/10, ver%10); xputc('\n'); - } - else { + } else { char *what = 0; int i, bytes; @@ -279,23 +275,22 @@ void file_main(void) // Can't use loopfiles here because it doesn't call function when can't open for (arg = toys.optargs; *arg; arg++) { - struct stat sb; char *name = *arg, *what = "cannot open"; + struct stat sb; + int fd = !strcmp(name, "-"); xprintf("%s: %*s", name, (int)(TT.max_name_len - strlen(name)), ""); - if (!lstat(name, &sb)) { - if (S_ISFIFO(sb.st_mode)) what = "fifo"; - else if (S_ISREG(sb.st_mode)) { - int fd = !strcmp(name, "-") ? 0 : open(name, O_RDONLY); - - if (fd!=-1) { - if (!sb.st_size) what = "empty"; - else do_regular_file(fd, name, &sb); + if (fd || !lstat(name, &sb)) { + if (fd || S_ISREG(sb.st_mode)) { + if (!sb.st_size) what = "empty"; + else if ((fd = openro(name, O_RDONLY)) != -1) { + do_regular_file(fd, name, &sb); if (fd) close(fd); - if (sb.st_size) continue; + continue; } - } else if (S_ISBLK(sb.st_mode)) what = "block special"; + } else if (S_ISFIFO(sb.st_mode)) what = "fifo"; + else if (S_ISBLK(sb.st_mode)) what = "block special"; else if (S_ISCHR(sb.st_mode)) what = "character special"; else if (S_ISDIR(sb.st_mode)) what = "directory"; else if (S_ISSOCK(sb.st_mode)) what = "socket"; |