db8b5b018f
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/ksh#642af4d65a6ae8825306305765a595a6f10eba47
99 lines
3.7 KiB
Diff
99 lines
3.7 KiB
Diff
diff -up ksh-20120801/src/cmd/ksh93/sh/subshell.c.orig ksh-20120801/src/cmd/ksh93/sh/subshell.c
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--- ksh-20120801/src/cmd/ksh93/sh/subshell.c.orig 2015-08-13 15:20:14.022167794 -0300
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+++ ksh-20120801/src/cmd/ksh93/sh/subshell.c 2015-08-13 15:21:43.263088168 -0300
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@@ -481,12 +481,12 @@ Sfio_t *sh_subshell(Shell_t *shp,Shnode_
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{
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struct subshell sub_data;
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register struct subshell *sp = &sub_data;
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- int jmpval,nsig=0,duped=0;
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+ int jmpval,isig,nsig=0,duped=0;
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long savecurenv = shp->curenv;
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int savejobpgid = job.curpgid;
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int *saveexitval = job.exitval;
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int16_t subshell;
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- char *savsig;
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+ char **savsig;
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Sfio_t *iop=0;
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struct checkpt buff;
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struct sh_scoped savst;
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@@ -561,10 +561,13 @@ Sfio_t *sh_subshell(Shell_t *shp,Shnode_
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/* save trap table */
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shp->st.otrapcom = 0;
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shp->st.otrap = savst.trap;
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- if((nsig=shp->st.trapmax*sizeof(char*))>0 || shp->st.trapcom[0])
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+ if((nsig=shp->st.trapmax)>0 || shp->st.trapcom[0])
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{
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- nsig += sizeof(char*);
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- memcpy(savsig=malloc(nsig),(char*)&shp->st.trapcom[0],nsig);
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+ ++nsig;
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+ savsig = malloc(nsig * sizeof(char*));
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+ /* contents of shp->st.trapcom may change */
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+ for (isig = 0; isig < nsig; ++isig)
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+ savsig[isig] = shp->st.trapcom[isig] == Empty ? Empty : (shp->st.trapcom[isig] ? strdup(shp->st.trapcom[isig]) : NULL);
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/* this nonsense needed for $(trap) */
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shp->st.otrapcom = (char**)savsig;
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}
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@@ -732,7 +735,10 @@ Sfio_t *sh_subshell(Shell_t *shp,Shnode_
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shp->st.otrap = 0;
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if(nsig)
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{
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- memcpy((char*)&shp->st.trapcom[0],savsig,nsig);
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+ for (isig = 0; isig < nsig; ++isig)
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+ if (shp->st.trapcom[isig] && shp->st.trapcom[isig]!=Empty)
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+ free(shp->st.trapcom[isig]);
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+ memcpy((char*)&shp->st.trapcom[0],savsig,nsig*sizeof(char*));
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free((void*)savsig);
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}
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shp->options = sp->options;
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diff -up ksh-20120801/src/cmd/ksh93/sh/xec.c.orig ksh-20120801/src/cmd/ksh93/sh/xec.c
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--- ksh-20120801/src/cmd/ksh93/sh/xec.c.orig 2015-08-13 15:22:09.821062351 -0300
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+++ ksh-20120801/src/cmd/ksh93/sh/xec.c 2015-08-13 15:28:06.166662530 -0300
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@@ -3383,10 +3383,10 @@ int sh_funscope(int argn, char *argv[],i
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struct dolnod *argsav=0,*saveargfor;
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struct sh_scoped savst, *prevscope = shp->st.self;
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struct argnod *envlist=0;
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- int jmpval;
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+ int isig,jmpval;
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volatile int r = 0;
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int n;
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- char *savstak;
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+ char **savsig;
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struct funenv *fp = 0;
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struct checkpt *buffp = (struct checkpt*)stkalloc(shp->stk,sizeof(struct checkpt));
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Namval_t *nspace = shp->namespace;
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@@ -3435,10 +3435,13 @@ int sh_funscope(int argn, char *argv[],i
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}
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shp->st.cmdname = argv[0];
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/* save trap table */
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- if((nsig=shp->st.trapmax*sizeof(char*))>0 || shp->st.trapcom[0])
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+ if((nsig=shp->st.trapmax)>0 || shp->st.trapcom[0])
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{
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- nsig += sizeof(char*);
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- memcpy(savstak=stakalloc(nsig),(char*)&shp->st.trapcom[0],nsig);
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+ ++nsig;
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+ savsig = malloc(nsig * sizeof(char*));
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+ /* contents of shp->st.trapcom may change */
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+ for (isig = 0; isig < nsig; ++isig)
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+ savsig[isig] = shp->st.trapcom[isig] == Empty ? Empty : (shp->st.trapcom[isig] ? strdup(shp->st.trapcom[isig]) : NULL);
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}
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sh_sigreset(0);
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argsav = sh_argnew(shp,argv,&saveargfor);
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@@ -3502,10 +3505,14 @@ int sh_funscope(int argn, char *argv[],i
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shp->topscope = (Shscope_t*)prevscope;
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nv_getval(sh_scoped(shp,IFSNOD));
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if(nsig)
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- memcpy((char*)&shp->st.trapcom[0],savstak,nsig);
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+ {
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+ for (isig = 0; isig < nsig; ++isig)
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+ if (shp->st.trapcom[isig] && shp->st.trapcom[isig]!=Empty)
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+ free(shp->st.trapcom[isig]);
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+ memcpy((char*)&shp->st.trapcom[0],savsig,nsig*sizeof(char*));
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+ free((void*)savsig);
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+ }
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shp->trapnote=0;
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- if(nsig)
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- stakset(savstak,0);
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shp->options = options;
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shp->last_root = last_root;
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if(jmpval == SH_JMPSUB)
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