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authorGravatar Peter Korsgaard <jacmet@sunsite.dk>2008-11-28 08:19:23 +0000
committerGravatar Peter Korsgaard <jacmet@sunsite.dk>2008-11-28 08:19:23 +0000
commitb277d41ccc8cb46e3b1b01a9d854adeacb2e61fb (patch)
treee9035ae5f65059590a3daef4ffb4de4ec03b510c
parent50def0e4950ec82e96d79c297c455f5eaf78fc14 (diff)
downloadbuildroot-b277d41ccc8cb46e3b1b01a9d854adeacb2e61fb.tar.gz
buildroot-b277d41ccc8cb46e3b1b01a9d854adeacb2e61fb.tar.bz2
busybox: updated 1.13.0 ash fix
-rw-r--r--package/busybox/busybox-1.13.0-ash.patch187
1 files changed, 186 insertions, 1 deletions
diff --git a/package/busybox/busybox-1.13.0-ash.patch b/package/busybox/busybox-1.13.0-ash.patch
index c3ab30a492..648012027d 100644
--- a/package/busybox/busybox-1.13.0-ash.patch
+++ b/package/busybox/busybox-1.13.0-ash.patch
@@ -1,5 +1,5 @@
--- busybox-1.13.0/shell/ash.c Thu Oct 30 08:41:32 2008
-+++ busybox-1.13.0-ash/shell/ash.c Sat Nov 22 02:31:06 2008
++++ busybox-1.13.0-ash/shell/ash.c Fri Nov 28 04:39:17 2008
@@ -536,6 +536,7 @@
#define NHERE 24
#define NXHERE 25
@@ -88,3 +88,188 @@
};
static void calcsize(union node *n);
+@@ -9065,8 +9069,6 @@
+ * This implements the input routines used by the parser.
+ */
+
+-#define EOF_NLEFT -99 /* value of parsenleft when EOF pushed back */
+-
+ enum {
+ INPUT_PUSH_FILE = 1,
+ INPUT_NOFILE_OK = 2,
+@@ -9107,7 +9109,6 @@
+ #endif
+ parsenextc = sp->prevstring;
+ parsenleft = sp->prevnleft;
+-/*dprintf("*** calling popstring: restoring to '%s'\n", parsenextc);*/
+ g_parsefile->strpush = sp->prev;
+ if (sp != &(g_parsefile->basestrpush))
+ free(sp);
+@@ -9123,7 +9124,7 @@
+
+ #if ENABLE_FEATURE_EDITING
+ retry:
+- if (!iflag || g_parsefile->fd)
++ if (!iflag || g_parsefile->fd != STDIN_FILENO)
+ nr = nonblock_safe_read(g_parsefile->fd, buf, BUFSIZ - 1);
+ else {
+ #if ENABLE_FEATURE_TAB_COMPLETION
+@@ -9171,55 +9172,76 @@
+ * Refill the input buffer and return the next input character:
+ *
+ * 1) If a string was pushed back on the input, pop it;
+- * 2) If an EOF was pushed back (parsenleft == EOF_NLEFT) or we are reading
++ * 2) If an EOF was pushed back (parsenleft < -BIGNUM) or we are reading
+ * from a string so we can't refill the buffer, return EOF.
+ * 3) If the is more stuff in this buffer, use it else call read to fill it.
+ * 4) Process input up to the next newline, deleting nul characters.
+ */
++//#define pgetc_debug(...) bb_error_msg(__VA_ARGS__)
++#define pgetc_debug(...) ((void)0)
+ static int
+ preadbuffer(void)
+ {
+ char *q;
+ int more;
+- char savec;
+
+ while (g_parsefile->strpush) {
+ #if ENABLE_ASH_ALIAS
+- if (parsenleft == -1 && g_parsefile->strpush->ap &&
+- parsenextc[-1] != ' ' && parsenextc[-1] != '\t') {
++ if (parsenleft == -1 && g_parsefile->strpush->ap
++ && parsenextc[-1] != ' ' && parsenextc[-1] != '\t'
++ ) {
++ pgetc_debug("preadbuffer PEOA");
+ return PEOA;
+ }
+ #endif
+ popstring();
++ /* try "pgetc" now: */
++ pgetc_debug("internal pgetc at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
+ if (--parsenleft >= 0)
+ return signed_char2int(*parsenextc++);
+ }
+- if (parsenleft == EOF_NLEFT || g_parsefile->buf == NULL)
++ /* on both branches above parsenleft < 0.
++ * "pgetc" needs refilling.
++ */
++
++ /* -90 is -BIGNUM. Below we use -99 to mark "EOF on read",
++ * pungetc() may decrement it a few times. -90 is enough.
++ */
++ if (parsenleft < -90 || g_parsefile->buf == NULL) {
++ pgetc_debug("preadbuffer PEOF1");
++ /* even in failure keep them in lock step,
++ * for correct pungetc. */
++ parsenextc++;
+ return PEOF;
+- flush_stdout_stderr();
++ }
+
+ more = parselleft;
+ if (more <= 0) {
++ flush_stdout_stderr();
+ again:
+ more = preadfd();
+ if (more <= 0) {
+- parselleft = parsenleft = EOF_NLEFT;
++ parselleft = parsenleft = -99;
++ pgetc_debug("preadbuffer PEOF2");
++ parsenextc++;
+ return PEOF;
+ }
+ }
+
++ /* Find out where's the end of line.
++ * Set parsenleft/parselleft acordingly.
++ * NUL chars are deleted.
++ */
+ q = parsenextc;
+-
+- /* delete nul characters */
+ for (;;) {
+- int c;
++ char c;
+
+ more--;
+- c = *q;
+
+- if (!c)
++ c = *q;
++ if (c == '\0') {
+ memmove(q, q + 1, more);
+- else {
++ } else {
+ q++;
+ if (c == '\n') {
+ parsenleft = q - parsenextc - 1;
+@@ -9236,22 +9258,23 @@
+ }
+ parselleft = more;
+
+- savec = *q;
+- *q = '\0';
+-
+ if (vflag) {
++ char save = *q;
++ *q = '\0';
+ out2str(parsenextc);
++ *q = save;
+ }
+
+- *q = savec;
+-
++ pgetc_debug("preadbuffer at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
+ return signed_char2int(*parsenextc++);
+ }
+
+ #define pgetc_as_macro() (--parsenleft >= 0 ? signed_char2int(*parsenextc++) : preadbuffer())
++
+ static int
+ pgetc(void)
+ {
++ pgetc_debug("pgetc at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
+ return pgetc_as_macro();
+ }
+
+@@ -9312,6 +9335,7 @@
+ {
+ parsenleft++;
+ parsenextc--;
++ pgetc_debug("pushed back to %d:%p'%s'", parsenleft, parsenextc, parsenextc);
+ }
+
+ /*
+@@ -9325,16 +9349,17 @@
+ pushstring(char *s, struct alias *ap)
+ {
+ struct strpush *sp;
+- size_t len;
++ int len;
+
+ len = strlen(s);
+ INT_OFF;
+ if (g_parsefile->strpush) {
+- sp = ckzalloc(sizeof(struct strpush));
++ sp = ckzalloc(sizeof(*sp));
+ sp->prev = g_parsefile->strpush;
+- g_parsefile->strpush = sp;
+- } else
+- sp = g_parsefile->strpush = &(g_parsefile->basestrpush);
++ } else {
++ sp = &(g_parsefile->basestrpush);
++ }
++ g_parsefile->strpush = sp;
+ sp->prevstring = parsenextc;
+ sp->prevnleft = parsenleft;
+ #if ENABLE_ASH_ALIAS
+@@ -9424,7 +9449,7 @@
+ close_on_exec_on(fd);
+ if (push) {
+ pushfile();
+- g_parsefile->buf = 0;
++ g_parsefile->buf = NULL;
+ }
+ g_parsefile->fd = fd;
+ if (g_parsefile->buf == NULL)