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authorDenis Vlasenko2007-11-13 17:51:40 +0000
committerDenis Vlasenko2007-11-13 17:51:40 +0000
commita89d50fb9addfe0060f697a7e1d31a7b3010b2bb (patch)
tree81b252e0f0a931b1485eaefd89e900859ec8fcfb /coreutils/tr.c
parent130f559f4dcb64fc7dbf55aebaf0def4f601ac2f (diff)
downloadbusybox-a89d50fb9addfe0060f697a7e1d31a7b3010b2bb.zip
busybox-a89d50fb9addfe0060f697a7e1d31a7b3010b2bb.tar.gz
tr: properly detect read errors (Fernando Silveira <fsilveira@gmail.com>)
readprofile: use xwrite function old new delta tr_main 679 677 -2 readprofile_main 1964 1944 -20
Diffstat (limited to 'coreutils/tr.c')
-rw-r--r--coreutils/tr.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/coreutils/tr.c b/coreutils/tr.c
index 9521bbc..e60e08b 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -173,7 +173,8 @@ int tr_main(int argc, char **argv)
int idx = 1;
int i;
smalluint flags = 0;
- size_t read_chars = 0, in_index = 0, out_index = 0, c, coded, last = -1;
+ ssize_t read_chars = 0;
+ size_t in_index = 0, out_index = 0, c, coded, last = -1;
RESERVE_CONFIG_UBUFFER(output, BUFSIZ);
RESERVE_CONFIG_BUFFER(vector, ASCII+1);
RESERVE_CONFIG_BUFFER(invec, ASCII+1);
@@ -223,8 +224,9 @@ int tr_main(int argc, char **argv)
}
read_chars = read(STDIN_FILENO, tr_buf, BUFSIZ);
if (read_chars <= 0) {
- if (write(STDOUT_FILENO, (char *)output, out_index) != out_index)
- bb_perror_msg(bb_msg_write_error);
+ xwrite(STDOUT_FILENO, (char *)output, out_index);
+ if (read_chars < 0)
+ bb_perror_msg_and_die(bb_msg_read_error);
exit(EXIT_SUCCESS);
}
in_index = 0;