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add upstream fixes for 1.7.2

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9131 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2007-10-05 00:38:19 +00:00
parent e8b81c92e7
commit b7502fe7f1
2 changed files with 66 additions and 0 deletions
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40
package/busybox/patches/990-upstream_tail_fix.patch Normal file
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@@ -0,0 +1,40 @@
diff -urN busybox-1.7.2/coreutils/tail.c busybox-1.7.2-tail/coreutils/tail.c
--- busybox-1.7.2/coreutils/tail.c 2007-09-03 12:48:40.000000000 +0100
+++ busybox-1.7.2-tail/coreutils/tail.c 2007-10-02 11:16:28.000000000 +0100
@@ -47,13 +47,16 @@
static ssize_t tail_read(int fd, char *buf, size_t count)
{
ssize_t r;
- off_t current, end;
+ off_t current;
struct stat sbuf;
- end = current = lseek(fd, 0, SEEK_CUR);
- if (!fstat(fd, &sbuf))
- end = sbuf.st_size;
- lseek(fd, end < current ? 0 : current, SEEK_SET);
+ /* (A good comment is missing here) */
+ current = lseek(fd, 0, SEEK_CUR);
+ /* /proc files report zero st_size, don't lseek them. */
+ if (fstat(fd, &sbuf) == 0 && sbuf.st_size)
+ if (sbuf.st_size < current)
+ lseek(fd, 0, SEEK_SET);
+
r = safe_read(fd, buf, count);
if (r < 0) {
bb_perror_msg(bb_msg_read_error);
@@ -67,8 +70,12 @@
static unsigned eat_num(const char *p)
{
- if (*p == '-') p++;
- else if (*p == '+') { p++; G.status = EXIT_FAILURE; }
+ if (*p == '-')
+ p++;
+ else if (*p == '+') {
+ p++;
+ G.status = EXIT_FAILURE;
+ }
return xatou_sfx(p, tail_suffixes);
}