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* fileutils/dd.c (dd_main): Ignore ftruncate error if the output is not a

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This commit is contained in:
Matt Kraai 2002-02-05 15:28:54 +00:00
parent 369da77d5e
commit eb83478528
1 changed files with 8 additions and 2 deletions
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8
coreutils/dd.c
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@ -22,6 +22,7 @@
*/ */
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
@ -106,9 +107,14 @@ int dd_main(int argc, char **argv)
perror_msg_and_die("%s", outfile); perror_msg_and_die("%s", outfile);
if (seek && trunc) { if (seek && trunc) {
if (ftruncate(ofd, seek * bs) < 0) if (ftruncate(ofd, seek * bs) < 0) {
struct stat st;
if (fstat (ofd, &st) < 0 || S_ISREG (st.st_mode) ||
S_ISDIR (st.st_mode))
perror_msg_and_die("%s", outfile); perror_msg_and_die("%s", outfile);
} }
}
} else { } else {
ofd = STDOUT_FILENO; ofd = STDOUT_FILENO;
outfile = "standard output"; outfile = "standard output";