diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Doc/Zsh/options.yo | 10 | ||||
| -rw-r--r-- | Src/exec.c | 24 | ||||
| -rw-r--r-- | Src/options.c | 1 | ||||
| -rw-r--r-- | Src/zsh.h | 1 |
5 files changed, 34 insertions, 7 deletions
@@ -1,3 +1,8 @@ +2002-12-04 Peter Stephenson <pws@csr.com> + + * 17979: Doc/Zsh/options.yo, Src/exec.c, Src/options.c, Src/zsh.h: + Add ERR_RETURN option, similiar to ERR_EXIT option. + 2002-11-26 Peter Stephenson <pws@csr.com> * 17967: Test/B02typeset.ztst: globbable arguments to diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo index 27f6b7e91..3616ae50c 100644 --- a/Doc/Zsh/options.yo +++ b/Doc/Zsh/options.yo @@ -380,6 +380,16 @@ If a command has a non-zero exit status, execute the tt(ZERR) trap, if set, and exit. This is disabled while running initialization scripts. ) +pindex(ERR_RETURN) +cindex(function return, on error) +cidnex(return from function, on error) +item(tt(ERR_RETURN))( +If a command has a non-zero exit status, return immediately from the +enclosing function. The logic is identical to that for tt(ERR_EXIT), +except that an implicit tt(return) statement is executed instead of an +tt(exit). This will trigger an exit at the outermost level of a +non-interactive script. +) pindex(EXEC) cindex(command execution, enabling) item(tt(EXEC) (tt(PLUS()n), ksh: tt(PLUS()n)) <D>)( diff --git a/Src/exec.c b/Src/exec.c index ca7b2061f..76ca437f4 100644 --- a/Src/exec.c +++ b/Src/exec.c @@ -924,13 +924,23 @@ sublist_done: dotrap(SIGZERR); donetrap = 1; } - if (lastval && isset(ERREXIT)) { - if (sigtrapped[SIGEXIT]) - dotrap(SIGEXIT); - if (mypid != getpid()) - _exit(lastval); - else - exit(lastval); + if (lastval) { + int errreturn = isset(ERRRETURN) && + (isset(INTERACTIVE) || locallevel || sourcelevel); + int errexit = isset(ERREXIT) || + (isset(ERRRETURN) && !errreturn); + if (errexit) { + if (sigtrapped[SIGEXIT]) + dotrap(SIGEXIT); + if (mypid != getpid()) + _exit(lastval); + else + exit(lastval); + } + if (errreturn) { + retflag = 1; + breaks = loops; + } } } if (ltype & Z_END) diff --git a/Src/options.c b/Src/options.c index 841a3cb82..da1e9efac 100644 --- a/Src/options.c +++ b/Src/options.c @@ -109,6 +109,7 @@ static struct optname optns[] = { {NULL, "cshnullglob", OPT_EMULATE|OPT_CSH, CSHNULLGLOB}, {NULL, "equals", OPT_EMULATE|OPT_ZSH, EQUALS}, {NULL, "errexit", OPT_EMULATE, ERREXIT}, +{NULL, "errreturn", OPT_EMULATE, ERRRETURN}, {NULL, "exec", OPT_ALL, EXECOPT}, {NULL, "extendedglob", OPT_EMULATE, EXTENDEDGLOB}, {NULL, "extendedhistory", OPT_CSH, EXTENDEDHISTORY}, @@ -1419,6 +1419,7 @@ enum { CSHNULLGLOB, EQUALS, ERREXIT, + ERRRETURN, EXECOPT, EXTENDEDGLOB, EXTENDEDHISTORY, |