31 lines
562 B
C
31 lines
562 B
C
/*
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* tmpfile.c - create and open a temporary file
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*/
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/* $Header$ */
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#if defined(_POSIX_SOURCE)
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#include <sys/types.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "loc_incl.h"
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pid_t _getpid(void);
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FILE *
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tmpfile(void) {
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static char name_buffer[L_tmpnam] = "/tmp/tmp." ;
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static char *name = NULL;
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FILE *file;
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if (!name) {
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name = name_buffer + strlen(name_buffer);
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name = _i_compute(_getpid(), 10, name, 5);
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*name = '\0';
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}
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file = fopen(name_buffer,"wb+");
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if (!file) return (FILE *)NULL;
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(void) remove(name_buffer);
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return file;
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}
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