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author | Barton E. Schaefer <schaefer@zsh.org> | 2016-03-12 10:09:31 -0800 |
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committer | Barton E. Schaefer <schaefer@zsh.org> | 2016-03-21 15:46:59 -0700 |
commit | ef6f1eb1c5551acb7bb766eb76fab13e8a2e3dd3 (patch) | |
tree | b4824f219ebe04bfc60e0112c541c09a7b38c44a | |
parent | b81b275ab30b06867a6ab13f774e90f0955dad88 (diff) | |
download | zsh-ef6f1eb1c5551acb7bb766eb76fab13e8a2e3dd3.tar.gz zsh-ef6f1eb1c5551acb7bb766eb76fab13e8a2e3dd3.tar.xz zsh-ef6f1eb1c5551acb7bb766eb76fab13e8a2e3dd3.zip |
38142: signal re-entrancy, maybe
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | Src/pattern.c | 24 |
2 files changed, 23 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog index d8f5cb50a..f4abbefaa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -49,6 +49,10 @@ * 38148: Completion/Unix/Command/_git: reflog: complete references next to commands +2016-03-12 Barton E. Schaefer <schaefer@zsh.org> + + * 38142: Src/pattern.c: signal re-entrancy, maybe + 2016-03-11 Daniel Shahaf <d.s@daniel.shahaf.name> * 38135: Src/Zle/complete.c: internal: bin_compadd: Add a diff --git a/Src/pattern.c b/Src/pattern.c index 72c7d97d5..fa9fefb79 100644 --- a/Src/pattern.c +++ b/Src/pattern.c @@ -537,9 +537,14 @@ patcompile(char *exp, int inflags, char **endexp) Upat pscan; char *lng, *strp = NULL; Patprog p; + int savpatflags, savpatglobflags; queue_signals(); + /* In case called from a signal handler before queuing */ + savpatflags = patflags; + savpatglobflags = patglobflags; + startoff = sizeof(struct patprog); /* Ensure alignment of start of program string */ startoff = (startoff + sizeof(union upat) - 1) & ~(sizeof(union upat) - 1); @@ -603,6 +608,8 @@ patcompile(char *exp, int inflags, char **endexp) /* No, do normal compilation. */ strp = NULL; if (patcompswitch(0, &flags) == 0) { + patflags = savpatflags; + patglobflags = savpatglobflags; unqueue_signals(); return NULL; } @@ -738,6 +745,8 @@ patcompile(char *exp, int inflags, char **endexp) if (endexp) *endexp = patparse; + patflags = savpatflags; + patglobflags = savpatglobflags; unqueue_signals(); return p; } @@ -2259,6 +2268,9 @@ pattryrefs(Patprog prog, char *string, int stringlen, int unmetalenin, char *progstr = (char *)prog + prog->startoff; struct patstralloc patstralloc_struct; + /* In case called from a signal handler */ + int savpatflags = patflags, savpatglobflags = patglobflags; + if (nump) { maxnpos = *nump; *nump = 0; @@ -2302,7 +2314,7 @@ pattryrefs(Patprog prog, char *string, int stringlen, int unmetalenin, * Either we are testing against a pure string, * or we can match anything at all. */ - int ret, pstrlen; + int pstrlen; char *pstr; if (patstralloc->alloced) { @@ -2404,8 +2416,6 @@ pattryrefs(Patprog prog, char *string, int stringlen, int unmetalenin, } } } - - return ret; } else { int q = queue_signal_level(); @@ -2441,6 +2451,8 @@ pattryrefs(Patprog prog, char *string, int stringlen, int unmetalenin, } } if (!ret) { + patflags = savpatflags; + patglobflags = savpatglobflags; return 0; } @@ -2596,9 +2608,11 @@ pattryrefs(Patprog prog, char *string, int stringlen, int unmetalenin, ret = 0; restore_queue_signals(q); - - return ret; } + + patflags = savpatflags; + patglobflags = savpatglobflags; + return ret; } /* |