search for: setstackmark

...--git a/usr/dash/eval.c b/usr/dash/eval.c index 5074aa94..bba0e7f8 100644 --- a/usr/dash/eval.c +++ b/usr/dash/eval.c @@ -200,8 +200,12 @@ evaltree(union node *n, int flags) { int checkexit = 0; int (*evalfn)(union node *, int); + struct stackmark smark; unsigned isor; int status = 0; + + setstackmark(&smark); + if (n == NULL) { TRACE(("evaltree(NULL) called\n")); goto out; @@ -317,6 +321,8 @@ exexit: exraise(EXEXIT); } + popstackmark(&smark); + return exitstatus; } @@ -396,14 +402,12 @@ evalfor(union node *n, int flags) struct arglist arglist; union nod...

...+ ret = xasprintf(sp, f, array[0], func); \ + break; \ + case 0: \ + ret = xasprintf(sp, f, func); \ + break; \ + } \ + ret; \ +}) + + +static int print_escape_str(const char *f, int *param, int *array, char *s) +{ + struct stackmark smark; + char *p, *q; + int done; + int len; + int total; + + setstackmark(&smark); + done = conv_escape_str(s, &p); + q = stackblock(); + len = p - q; + + p = makestrspace(len, p); + memset(p, 'X', len - 1); + p[len - 1] = 0; + + q = stackblock(); + total = ASPF(&p, f, p); + + len = strchrnul(p, 'X') - p; + memcpy(p + len, q, strchrnul(p + len...

...+ ret = xasprintf(sp, f, array[0], func); \ + break; \ + case 0: \ + ret = xasprintf(sp, f, func); \ + break; \ + } \ + ret; \ +}) + + +static int print_escape_str(const char *f, int *param, int *array, char *s) +{ + struct stackmark smark; + char *p, *q; + int done; + int len; + int total; + + setstackmark(&smark); + done = conv_escape_str(s, &p); + q = stackblock(); + len = p - q; + + p = makestrspace(len, p); + memset(p, 'X', len - 1); + p[len - 1] = 0; + + q = stackblock(); + total = ASPF(&p, f, p); + + len = strchrnul(p, 'X') - p; + memcpy(p + len, q, strchrnul(p + len...

...backcmd *); #else -STATIC void evalcommand(union node *, int); +STATIC int evalcommand(union node *, int); #endif STATIC int evalbltin(const struct builtincmd *, int, char **, int); STATIC int evalfun(struct funcnode *, int, char **, int); @@ -170,11 +170,13 @@ evalstring(char *s, int flags) setstackmark(&smark); status = 0; - while ((n = parsecmd(0)) != NEOF) { - evaltree(n, flags & ~(parser_eof() ? 0 : EV_EXIT)); + for (; (n = parsecmd(0)) != NEOF; popstackmark(&smark)) { + int i; + + i = evaltree(n, flags & ~(parser_eof() ? 0 : EV_EXIT)); if (n) - status = exitstatus;...

...backcmd *); #else -STATIC void evalcommand(union node *, int); +STATIC int evalcommand(union node *, int); #endif STATIC int evalbltin(const struct builtincmd *, int, char **, int); STATIC int evalfun(struct funcnode *, int, char **, int); @@ -170,11 +170,13 @@ evalstring(char *s, int flags) setstackmark(&smark); status = 0; - while ((n = parsecmd(0)) != NEOF) { - evaltree(n, flags & ~(parser_eof() ? 0 : EV_EXIT)); + for (; (n = parsecmd(0)) != NEOF; popstackmark(&smark)) { + int i; + + i = evaltree(n, flags & ~(parser_eof() ? 0 : EV_EXIT)); if (n) - status = exitstatus;...

...changed, 4 insertions(+), 2 deletions(-) diff --git a/usr/dash/eval.c b/usr/dash/eval.c index da39136d..755136e2 100644 --- a/usr/dash/eval.c +++ b/usr/dash/eval.c @@ -160,6 +160,7 @@ evalstring(char *s, int flags) struct stackmark smark; int status; + s = sstrdup(s); setinputstring(s); setstackmark(&smark); @@ -171,7 +172,9 @@ evalstring(char *s, int flags) if (evalskip) break; } + popstackmark(&smark); popfile(); + stunalloc(s); return status; } diff --git a/usr/dash/histedit.c b/usr/dash/histedit.c index b27d6294..94465d78 100644 --- a/usr/dash/histedit.c +++ b/usr...

...nsertions(+), 7 deletions(-) diff --git a/usr/dash/bltin/printf.c b/usr/dash/bltin/printf.c index 1f1fbde7..fe055fd2 100644 --- a/usr/dash/bltin/printf.c +++ b/usr/dash/bltin/printf.c @@ -100,20 +100,25 @@ static int print_escape_str(const char *f, int *param, int *array, char *s) int total; setstackmark(&smark); - done = conv_escape_str(s, &p); - q = stackblock(); - len = p - q; + done = conv_escape_str(s, &q); + p = stackblock(); + len = q - p; + total = len - 1; + + if (f[1] == 's') + goto easy; - p = makestrspace(len, p); - memset(p, 'X', len - 1); - p[len - 1] =...

...lags) #endif { struct localvar_list *localvar_stop; + struct parsefile *file_stop; struct redirtab *redir_stop; struct stackmark smark; union node *argp; @@ -722,6 +723,7 @@ evalcommand(union node *cmd, int flags) TRACE(("evalcommand(0x%lx, %d) called\n", (long)cmd, flags)); setstackmark(&smark); localvar_stop = pushlocalvars(); + file_stop = parsefile; back_exitstatus = 0; cmdentry.cmdtype = CMDBUILTIN; @@ -896,6 +898,7 @@ out: if (cmd->ncmd.redirect) popredir(execcmd); unwindredir(redir_stop); + unwindfiles(file_stop); unwindlocalvars(localvar_stop); if...

...changed, 4 insertions(+), 2 deletions(-) diff --git a/usr/dash/eval.c b/usr/dash/eval.c index e6f6cd5c..adf05fde 100644 --- a/usr/dash/eval.c +++ b/usr/dash/eval.c @@ -160,6 +160,7 @@ evalstring(char *s, int flags) struct stackmark smark; int status; + s = sstrdup(s); setinputstring(s); setstackmark(&smark); @@ -171,7 +172,9 @@ evalstring(char *s, int flags) if (evalskip) break; } + popstackmark(&smark); popfile(); + stunalloc(s); return status; } diff --git a/usr/dash/histedit.c b/usr/dash/histedit.c index b27d6294..94465d78 100644 --- a/usr/dash/histedit.c +++ b/usr...

...nsertions(+), 7 deletions(-) diff --git a/usr/dash/bltin/printf.c b/usr/dash/bltin/printf.c index 1f1fbde7..fe055fd2 100644 --- a/usr/dash/bltin/printf.c +++ b/usr/dash/bltin/printf.c @@ -100,20 +100,25 @@ static int print_escape_str(const char *f, int *param, int *array, char *s) int total; setstackmark(&smark); - done = conv_escape_str(s, &p); - q = stackblock(); - len = p - q; + done = conv_escape_str(s, &q); + p = stackblock(); + len = q - p; + total = len - 1; + + if (f[1] == 's') + goto easy; - p = makestrspace(len, p); - memset(p, 'X', len - 1); - p[len - 1] =...

...n) + growstackblock(len); return stackblock(); } diff --git a/usr/dash/memalloc.h b/usr/dash/memalloc.h index b348d9cc..b9c63dac 100644 --- a/usr/dash/memalloc.h +++ b/usr/dash/memalloc.h @@ -55,7 +55,6 @@ void stunalloc(pointer); void pushstackmark(struct stackmark *mark, size_t len); void setstackmark(struct stackmark *); void popstackmark(struct stackmark *); -void growstackblock(void); void *growstackstr(void); char *growstackto(size_t len); char *makestrspace(size_t, char *);

...lags) #endif { struct localvar_list *localvar_stop; + struct parsefile *file_stop; struct redirtab *redir_stop; struct stackmark smark; union node *argp; @@ -722,6 +723,7 @@ evalcommand(union node *cmd, int flags) TRACE(("evalcommand(0x%lx, %d) called\n", (long)cmd, flags)); setstackmark(&smark); localvar_stop = pushlocalvars(); + file_stop = parsefile; back_exitstatus = 0; cmdentry.cmdtype = CMDBUILTIN; @@ -896,6 +898,7 @@ out: if (cmd->ncmd.redirect) popredir(execcmd); unwindredir(redir_stop); + unwindfiles(file_stop); unwindlocalvars(localvar_stop); if...

...eft >= newlen) - break; - growstackblock(); - } - return stackblock() + len; + return growstackto(len + newlen) + len; } char * diff --git a/usr/dash/memalloc.h b/usr/dash/memalloc.h index 4b5be46c..b348d9cc 100644 --- a/usr/dash/memalloc.h +++ b/usr/dash/memalloc.h @@ -57,6 +57,7 @@ void setstackmark(struct stackmark *); void popstackmark(struct stackmark *); void growstackblock(void); void *growstackstr(void); +char *growstackto(size_t len); char *makestrspace(size_t, char *); char *stnputs(const char *, size_t, char *); char *stputs(const char *, char *); diff --git a/usr/dash/parser.c...

...int hashcmd(int, char **); void find_command(char *, struct cmdentry *, int, const char *); struct builtincmd *find_builtin(const char *); diff --git a/usr/dash/mail.c b/usr/dash/mail.c index 02e07f77..7f9e49de 100644 --- a/usr/dash/mail.c +++ b/usr/dash/mail.c @@ -77,9 +77,12 @@ chkmail(void) setstackmark(&smark); mpath = mpathset() ? mpathval() : mailval(); for (mtp = mailtime; mtp < mailtime + MAXMBOXES; mtp++) { - p = padvance(&mpath, nullstr); - if (p == NULL) + int len; + + len = padvance(&mpath, nullstr); + if (!len) break; + p = stackblock(); if (*p == '\0&...

...execcmd; int status; char **nargv; + int vflags; + int vlocal; errlinno = lineno = cmd->ncmd.linno; if (funcline) @@ -745,7 +747,6 @@ evalcommand(union node *cmd, int flags) /* First expand the arguments. */ TRACE(("evalcommand(0x%lx, %d) called\n", (long)cmd, flags)); setstackmark(&smark); - localvar_stop = pushlocalvars(); file_stop = parsefile; back_exitstatus = 0; @@ -759,6 +760,8 @@ evalcommand(union node *cmd, int flags) cmd_flag = 0; execcmd = 0; spclbltin = -1; + vflags = 0; + vlocal = 0; path = NULL; argc = 0; @@ -770,6 +773,8 @@ evalcommand(uni...

...evalstring(p, ~SKIPEVAL); - + return evalstring(p, ~SKIPEVAL); } - return exitstatus; + return 0; } @@ -166,24 +165,23 @@ evalstring(char *s, int mask) { union node *n; struct stackmark smark; - int skip; + int status; setinputstring(s); setstackmark(&smark); - skip = 0; + status = 0; while ((n = parsecmd(0)) != NEOF) { evaltree(n, 0); + status = exitstatus; popstackmark(&smark); - skip = evalskip; - if (skip) + if (evalskip) break; } popfile(); - skip &= mask; - evalskip = skip; - return skip; + evalskip &am...