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Rev 8149 Rev 8195
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/* dvi 2 gif driver, tex standard */
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/* dvi 2 gif driver, tex standard */
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#include "texgif.h"
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#include "texgif.h"
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void error(char *s)
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void texgif_error(char *s)
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{
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{
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    fprintf(stderr,"%s: %s\n",progname, s);
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    fprintf(stderr,"%s: %s\n",progname, s);
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    exit(1);
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    exit(1);
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}
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}
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    fflush(NULL);       /* flush all output streams before forking
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    fflush(NULL);       /* flush all output streams before forking
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                         * otherwise they will be doubled */
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                         * otherwise they will be doubled */
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    pid=fork(); if(pid==-1) return -1;
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    pid=fork(); if(pid==-1) return -1;
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    if(!pid) {  /* child */
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    if(!pid) {  /* child */
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        if(inf!=NULL && freopen(inf,"r",stdin) == NULL)
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        if(inf!=NULL && freopen(inf,"r",stdin) == NULL)
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          error("freopen failure");
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          texgif_error("freopen failure");
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        if(outf!=NULL && freopen(outf,"w",stdout))
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        if(outf!=NULL && freopen(outf,"w",stdout))
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          error("freopen failure");
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          texgif_error("freopen failure");
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        if(errf!=NULL && freopen(errf,"w",stderr))
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        if(errf!=NULL && freopen(errf,"w",stderr))
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          error("freopen failure");
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          texgif_error("freopen failure");
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        if(wrapexec) {
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        if(wrapexec) {
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            setreuid(getuid(),getuid());setregid(getgid(),getgid());
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            setreuid(getuid(),getuid());setregid(getgid(),getgid());
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        }
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        }
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        if(strchr(cmdf,'/')) execv(cmdf,arg);
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        if(strchr(cmdf,'/')) execv(cmdf,arg);
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        else execvp(cmdf,arg);
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        else execvp(cmdf,arg);