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99eb8500c

Denis Vlasenko
Denis Vlasenko
2007-02-23
FAILED Duration: 10s

Subject

ash: cleanup part 2.3

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Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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Commit Diff GitHub →

shell/ash.c +69 -74
shell/ash.c+69 -74
@@ -436,11 +436,6 @@ out2str(const char *p)
#define VSTRIMLEFTMAX 0x9 /* ${var##pattern} */
#define VSLENGTH 0xa /* ${#var} */
-/* values of checkkwd variable */
-#define CHKALIAS 0x1
-#define CHKKWD 0x2
-#define CHKNL 0x4
-
#define NCMD 0
#define NPIPE 1
#define NREDIR 2
@@ -2393,48 +2388,15 @@ pwdcmd(int argc, char **argv)
/* ============ ... */
-/*
- * NEOF is returned by parsecmd when it encounters an end of file. It
- * must be distinct from NULL, so we use the address of a variable that
- * happens to be handy.
- */
-static int plinno = 1; /* input line number */
-
-/* number of characters left in input buffer */
-static int parsenleft; /* copy of parsefile->nleft */
-static int parselleft; /* copy of parsefile->lleft */
-
-/* next character in input buffer */
-static char *parsenextc; /* copy of parsefile->nextc */
-
#define IBUFSIZ (BUFSIZ + 1)
#define basebuf bb_common_bufsiz1 /* buffer for top level input file */
-static int tokpushback; /* last token pushed back */
-#define NEOF ((union node *)&tokpushback)
-static int parsebackquote; /* nonzero if we are inside backquotes */
-static int lasttoken; /* last token read */
-static char *wordtext; /* text of last word returned by readtoken */
-static int checkkwd;
-static struct nodelist *backquotelist;
-static union node *redirnode;
-static struct heredoc *heredoc;
-static int quoteflag; /* set if (part of) last token was quoted */
-
-static void fixredir(union node *, const char *, int);
-
/* shell.h */
static const char spcstr[] = " ";
static const char dolatstr[] = { CTLVAR, VSNORMAL|VSQUOTE, '@', '=', '\0' };
-#if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
-#define __builtin_expect(x, expected_value) (x)
-#endif
-
-#define xlikely(x) __builtin_expect((x),1)
-
/* Syntax classes */
#define CWORD 0 /* character is nothing special */
#define CNL 1 /* newline character */
@@ -2996,40 +2958,6 @@ static void clearredir(int);
static int copyfd(int, int);
static int redirectsafe(union node *, int);
-static int is_safe_applet(char *name)
-{
- /* It isn't a bug to have non-existent applet here... */
- /* ...just a waste of space... */
- static const char safe_applets[][8] = {
- "["
- USE_AWK (, "awk" )
- USE_CAT (, "cat" )
- USE_CHMOD (, "chmod" )
- USE_CHOWN (, "chown" )
- USE_CP (, "cp" )
- USE_CUT (, "cut" )
- USE_DD (, "dd" )
- USE_ECHO (, "echo" )
- USE_FIND (, "find" )
- USE_HEXDUMP(, "hexdump")
- USE_LN (, "ln" )
- USE_LS (, "ls" )
- USE_MKDIR (, "mkdir" )
- USE_RM (, "rm" )
- USE_SORT (, "sort" )
- USE_TEST (, "test" )
- USE_TOUCH (, "touch" )
- USE_XARGS (, "xargs" )
- };
- int n = sizeof(safe_applets) / sizeof(safe_applets[0]);
- int i;
- for (i = 0; i < n; i++)
- if (strcmp(safe_applets[i], name) == 0)
- return 1;
-
- return 0;
-}
-
/* ============ Alias handling */
@@ -4720,6 +4648,40 @@ casematch(union node *pattern, char *val)
/* ============ find_command */
+static int is_safe_applet(char *name)
+{
+ /* It isn't a bug to have non-existent applet here... */
+ /* ...just a waste of space... */
+ static const char safe_applets[][8] = {
+ "["
+ USE_AWK (, "awk" )
+ USE_CAT (, "cat" )
+ USE_CHMOD (, "chmod" )
+ USE_CHOWN (, "chown" )
+ USE_CP (, "cp" )
+ USE_CUT (, "cut" )
+ USE_DD (, "dd" )
+ USE_ECHO (, "echo" )
+ USE_FIND (, "find" )
+ USE_HEXDUMP(, "hexdump")
+ USE_LN (, "ln" )
+ USE_LS (, "ls" )
+ USE_MKDIR (, "mkdir" )
+ USE_RM (, "rm" )
+ USE_SORT (, "sort" )
+ USE_TEST (, "test" )
+ USE_TOUCH (, "touch" )
+ USE_XARGS (, "xargs" )
+ };
+ int n = sizeof(safe_applets) / sizeof(safe_applets[0]);
+ int i;
+ for (i = 0; i < n; i++)
+ if (strcmp(safe_applets[i], name) == 0)
+ return 1;
+
+ return 0;
+}
+
struct builtincmd {
const char *name;
int (*builtin)(int, char **);
@@ -5957,6 +5919,7 @@ evalsubshell(union node *n, int flags)
/*
* Compute the names of the files in a redirection list.
*/
+static void fixredir(union node *, const char *, int);
static void
expredir(union node *n)
{
@@ -6943,6 +6906,7 @@ execcmd(int argc, char **argv)
*
* This implements the input routines used by the parser.
*/
+
#define EOF_NLEFT -99 /* value of parsenleft when EOF pushed back */
enum {
@@ -6950,6 +6914,25 @@ enum {
INPUT_NOFILE_OK = 2,
};
+/*
+ * NEOF is returned by parsecmd when it encounters an end of file. It
+ * must be distinct from NULL, so we use the address of a variable that
+ * happens to be handy.
+ */
+static int plinno = 1; /* input line number */
+/* number of characters left in input buffer */
+static int parsenleft; /* copy of parsefile->nleft */
+static int parselleft; /* copy of parsefile->lleft */
+/* next character in input buffer */
+static char *parsenextc; /* copy of parsefile->nextc */
+
+static int checkkwd;
+/* values of checkkwd variable */
+#define CHKALIAS 0x1
+#define CHKKWD 0x2
+#define CHKNL 0x4
+
+
static void
popstring(void)
{
@@ -8255,7 +8238,7 @@ growjobtab(void)
jq--;
#define joff(p) ((struct job *)((char *)(p) + l))
#define jmove(p) (p) = (void *)((char *)(p) + offset)
- if (xlikely(joff(jp)->ps == &jq->ps0))
+ if (joff(jp)->ps == &jq->ps0)
jmove(joff(jp)->ps);
if (joff(jp)->prev_job)
jmove(joff(jp)->prev_job);
@@ -9335,6 +9318,16 @@ getoptscmd(int argc, char **argv)
/* ============ Shell parser */
+static int tokpushback; /* last token pushed back */
+#define NEOF ((union node *)&tokpushback)
+static int parsebackquote; /* nonzero if we are inside backquotes */
+static int lasttoken; /* last token read */
+static char *wordtext; /* text of last word returned by readtoken */
+static struct nodelist *backquotelist;
+static union node *redirnode;
+static struct heredoc *heredoc;
+static int quoteflag; /* set if (part of) last token was quoted */
+
static void raise_error_syntax(const char *) ATTRIBUTE_NORETURN;
static void
raise_error_syntax(const char *msg)
@@ -9887,6 +9880,8 @@ parse_command(void)
* will run code that appears at the end of readtoken1.
*/
+static int parsebackquote; /* nonzero if we are inside backquotes */
+
#define CHECKEND() {goto checkend; checkend_return:;}
#define PARSEREDIR() {goto parseredir; parseredir_return:;}
#define PARSESUB() {goto parsesub; parsesub_return:;}
@@ -10077,7 +10072,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
if (syntax == ARISYNTAX)
raise_error_syntax("Missing '))'");
#endif
- if (syntax != BASESYNTAX && ! parsebackquote && eofmark == NULL)
+ if (syntax != BASESYNTAX && !parsebackquote && eofmark == NULL)
raise_error_syntax("Unterminated quoted string");
if (varnest != 0) {
startlinno = plinno;