busybox: fix sed auto insert newline testcase
backport the patch from busybox upstream to fix the auto insert newline issue. busybox defect: https://bugs.busybox.net/show_bug.cgi?id=6584 (From OE-Core master rev: db00fa405c025c61844df2e9589fe635fc5df0e2) (From OE-Core rev: 9266343cc00fefd3e7f33fa2e6b0da88b6abf622) Signed-off-by: Jackie Huang <jackie.huang@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From 6394bcf17925715db042cfb24f5886b1bed1dfc9 Mon Sep 17 00:00:00 2001
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From: Jackie Huang <jackie.huang@windriver.com>
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Date: Thu, 31 Oct 2013 14:36:31 +0800
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Subject: [PATCH] sed: fix "sed clusternewline" and "autoinsert newline" testcase
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Upstream-Status: Backport [busybox.net]
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Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
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---
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editors/sed.c | 135 ++++++++++++++++++++++++++--------------------------
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testsuite/sed.tests | 4 --
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2 files changed, 68 insertions(+), 71 deletions(-)
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diff --git a/editors/sed.c b/editors/sed.c
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index f8ca5d3..98478b4 100644
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--- a/editors/sed.c
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+++ b/editors/sed.c
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@@ -845,37 +845,79 @@ static void append(char *s)
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llist_add_to_end(&G.append_head, xstrdup(s));
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}
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-static void flush_append(void)
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+/* Output line of text. */
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+/* Note:
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+ * The tricks with NO_EOL_CHAR and last_puts_char are there to emulate gnu sed.
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+ * Without them, we had this:
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+ * echo -n thingy >z1
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+ * echo -n again >z2
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+ * >znull
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+ * sed "s/i/z/" z1 z2 znull | hexdump -vC
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+ * output:
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+ * gnu sed 4.1.5:
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+ * 00000000 74 68 7a 6e 67 79 0a 61 67 61 7a 6e |thzngy.agazn|
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+ * bbox:
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+ * 00000000 74 68 7a 6e 67 79 61 67 61 7a 6e |thzngyagazn|
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+ */
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+enum {
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+ NO_EOL_CHAR = 1,
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+ LAST_IS_NUL = 2,
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+};
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+static void puts_maybe_newline(char *s, FILE *file, char *last_puts_char, char last_gets_char)
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+{
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+ char lpc = *last_puts_char;
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+
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+ /* Need to insert a '\n' between two files because first file's
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+ * last line wasn't terminated? */
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+ if (lpc != '\n' && lpc != '\0') {
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+ fputc('\n', file);
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+ lpc = '\n';
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+ }
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+ fputs(s, file);
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+
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+ /* 'x' - just something which is not '\n', '\0' or NO_EOL_CHAR */
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+ if (s[0])
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+ lpc = 'x';
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+
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+ /* had trailing '\0' and it was last char of file? */
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+ if (last_gets_char == LAST_IS_NUL) {
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+ fputc('\0', file);
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+ lpc = 'x'; /* */
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+ } else
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+ /* had trailing '\n' or '\0'? */
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+ if (last_gets_char != NO_EOL_CHAR) {
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+ fputc(last_gets_char, file);
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+ lpc = last_gets_char;
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+ }
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+
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+ if (ferror(file)) {
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+ xfunc_error_retval = 4; /* It's what gnu sed exits with... */
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+ bb_error_msg_and_die(bb_msg_write_error);
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+ }
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+ *last_puts_char = lpc;
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+}
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+
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+static void flush_append(char *last_puts_char, char last_gets_char)
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{
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char *data;
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/* Output appended lines. */
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while ((data = (char *)llist_pop(&G.append_head))) {
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- fprintf(G.nonstdout, "%s\n", data);
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+ puts_maybe_newline(data, G.nonstdout, last_puts_char, last_gets_char);
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free(data);
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}
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}
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-static void add_input_file(FILE *file)
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-{
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- G.input_file_list = xrealloc_vector(G.input_file_list, 2, G.input_file_count);
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- G.input_file_list[G.input_file_count++] = file;
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-}
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-
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/* Get next line of input from G.input_file_list, flushing append buffer and
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* noting if we ran out of files without a newline on the last line we read.
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*/
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-enum {
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- NO_EOL_CHAR = 1,
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- LAST_IS_NUL = 2,
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-};
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-static char *get_next_line(char *gets_char)
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+static char *get_next_line(char *gets_char, char *last_puts_char, char last_gets_char)
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{
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char *temp = NULL;
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int len;
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char gc;
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- flush_append();
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+ flush_append(last_puts_char, last_gets_char);
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/* will be returned if last line in the file
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* doesn't end with either '\n' or '\0' */
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@@ -919,54 +961,6 @@ static char *get_next_line(char *gets_char)
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return temp;
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}
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-/* Output line of text. */
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-/* Note:
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- * The tricks with NO_EOL_CHAR and last_puts_char are there to emulate gnu sed.
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- * Without them, we had this:
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- * echo -n thingy >z1
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- * echo -n again >z2
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- * >znull
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- * sed "s/i/z/" z1 z2 znull | hexdump -vC
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- * output:
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- * gnu sed 4.1.5:
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- * 00000000 74 68 7a 6e 67 79 0a 61 67 61 7a 6e |thzngy.agazn|
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- * bbox:
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- * 00000000 74 68 7a 6e 67 79 61 67 61 7a 6e |thzngyagazn|
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- */
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-static void puts_maybe_newline(char *s, FILE *file, char *last_puts_char, char last_gets_char)
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-{
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- char lpc = *last_puts_char;
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-
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- /* Need to insert a '\n' between two files because first file's
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- * last line wasn't terminated? */
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- if (lpc != '\n' && lpc != '\0') {
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- fputc('\n', file);
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- lpc = '\n';
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- }
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- fputs(s, file);
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-
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- /* 'x' - just something which is not '\n', '\0' or NO_EOL_CHAR */
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- if (s[0])
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- lpc = 'x';
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-
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- /* had trailing '\0' and it was last char of file? */
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- if (last_gets_char == LAST_IS_NUL) {
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- fputc('\0', file);
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- lpc = 'x'; /* */
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- } else
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- /* had trailing '\n' or '\0'? */
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- if (last_gets_char != NO_EOL_CHAR) {
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- fputc(last_gets_char, file);
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- lpc = last_gets_char;
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- }
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-
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- if (ferror(file)) {
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- xfunc_error_retval = 4; /* It's what gnu sed exits with... */
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- bb_error_msg_and_die(bb_msg_write_error);
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- }
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- *last_puts_char = lpc;
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-}
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-
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#define sed_puts(s, n) (puts_maybe_newline(s, G.nonstdout, &last_puts_char, n))
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static int beg_match(sed_cmd_t *sed_cmd, const char *pattern_space)
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@@ -989,7 +983,7 @@ static void process_files(void)
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int substituted;
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/* Prime the pump */
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- next_line = get_next_line(&next_gets_char);
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+ next_line = get_next_line(&next_gets_char, &last_puts_char, '\n' /*last_gets_char*/);
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/* Go through every line in each file */
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again:
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@@ -1003,7 +997,7 @@ static void process_files(void)
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/* Read one line in advance so we can act on the last line,
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* the '$' address */
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- next_line = get_next_line(&next_gets_char);
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+ next_line = get_next_line(&next_gets_char, &last_puts_char, last_gets_char);
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linenum++;
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/* For every line, go through all the commands */
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@@ -1176,6 +1170,7 @@ static void process_files(void)
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/* Append line to linked list to be printed later */
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case 'a':
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append(sed_cmd->string);
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+ last_gets_char = '\n';
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break;
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/* Insert text before this line */
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@@ -1222,7 +1217,7 @@ static void process_files(void)
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free(pattern_space);
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pattern_space = next_line;
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last_gets_char = next_gets_char;
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- next_line = get_next_line(&next_gets_char);
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+ next_line = get_next_line(&next_gets_char, &last_puts_char, last_gets_char);
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substituted = 0;
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linenum++;
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break;
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@@ -1258,7 +1253,7 @@ static void process_files(void)
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pattern_space[len] = '\n';
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strcpy(pattern_space + len+1, next_line);
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last_gets_char = next_gets_char;
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- next_line = get_next_line(&next_gets_char);
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+ next_line = get_next_line(&next_gets_char, &last_puts_char, last_gets_char);
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linenum++;
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break;
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}
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@@ -1362,7 +1357,7 @@ static void process_files(void)
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/* Delete and such jump here. */
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discard_line:
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- flush_append();
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+ flush_append(&last_puts_char, last_gets_char);
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free(pattern_space);
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goto again;
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@@ -1403,6 +1398,12 @@ static void add_cmd_block(char *cmdstr)
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free(sv);
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}
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+static void add_input_file(FILE *file)
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+{
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+ G.input_file_list = xrealloc_vector(G.input_file_list, 2, G.input_file_count);
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+ G.input_file_list[G.input_file_count++] = file;
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+}
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+
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int sed_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int sed_main(int argc UNUSED_PARAM, char **argv)
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{
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diff --git a/testsuite/sed.tests b/testsuite/sed.tests
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index 468565f..e26483c 100755
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--- a/testsuite/sed.tests
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+++ b/testsuite/sed.tests
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@@ -135,10 +135,8 @@ testing "sed empty file plus cat" "sed -e 's/nohit//' input -" "one\ntwo" \
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"" "one\ntwo"
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testing "sed cat plus empty file" "sed -e 's/nohit//' input -" "one\ntwo" \
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"one\ntwo" ""
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-test x"$SKIP_KNOWN_BUGS" = x"" && {
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testing "sed append autoinserts newline" "sed -e '/woot/a woo' -" \
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"woot\nwoo\n" "" "woot"
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-}
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testing "sed insert doesn't autoinsert newline" "sed -e '/woot/i woo' -" \
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"woo\nwoot" "" "woot"
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testing "sed print autoinsert newlines" "sed -e 'p' -" "one\none" "" "one"
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@@ -154,11 +152,9 @@ testing "sed selective matches insert newline" \
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testing "sed selective matches noinsert newline" \
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"sed -ne 's/woo/bang/p' input -" "a bang\nb bang" "a woo\nb woo" \
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"c no\nd no"
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-test x"$SKIP_KNOWN_BUGS" = x"" && {
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testing "sed clusternewline" \
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"sed -e '/one/a 111' -e '/two/i 222' -e p input -" \
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"one\none\n111\n222\ntwo\ntwo" "one" "two"
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-}
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testing "sed subst+write" \
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"sed -e 's/i/z/' -e 'woutputw' input -; $ECHO -n X; cat outputw" \
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"thzngy\nagaznXthzngy\nagazn" "thingy" "again"
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--
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1.8.3
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@ -33,7 +33,9 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
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file://inetd.conf \
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file://inetd \
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file://login-utilities.cfg \
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file://busybox-list-suid-and-non-suid-app-configs.patch"
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file://busybox-list-suid-and-non-suid-app-configs.patch \
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file://busybox-sed-fix-sed-clusternewline-testcase.patch \
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"
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SRC_URI[tarball.md5sum] = "795394f83903b5eec6567d51eebb417e"
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SRC_URI[tarball.sha256sum] = "cd5be0912ec856110ae12c76c3ec9cd5cba1df45b5a9da2b095b8284d1481303"
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