diff options
Diffstat (limited to 'package/busybox/busybox-1.13.0-ash.patch')
| -rw-r--r-- | package/busybox/busybox-1.13.0-ash.patch | 187 |
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 c3ab30a49..648012027 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) |