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Rename output_tmpfile() to a misc function get_tmpfile()
* output.c: Remove output_tmpfile() and umask handling. * output.h: Ditto. * misc.c: Add get_tmpfile() and umask handling. * makeint.h: Ditto. * function.c: Rename output_tmpfile() to get_tmpfile(). * main.c: Ditto. * vmsjobs.c: Ditto.
This commit is contained in:
Paul Smith
parent
68be4f74fc
commit
5acc59c704
@ -1924,9 +1924,8 @@ func_shell_base (char *o, char **argv, int trim_newlines)
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return o;
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/* Note the mktemp() is a security hole, but this only runs on Amiga.
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Ideally we would use output_tmpfile(), but this uses a special
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Open(), not fopen(), and I'm not familiar enough with the code to mess
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with it. */
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Ideally we would use get_tmpfile(), but this uses a special Open(), not
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fopen(), and I'm not familiar enough with the code to mess with it. */
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strcpy (tmp_output, "t:MakeshXXXXXXXX");
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mktemp (tmp_output);
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child_stdout = Open (tmp_output, MODE_NEWFILE);
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2
main.c
2
main.c
@ -1824,7 +1824,7 @@ main (int argc, char **argv, char **envp)
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#endif /* !HAVE_DOS_PATHS */
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strcat (template, DEFAULT_TMPFILE);
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outfile = output_tmpfile (&stdin_nm, template);
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outfile = get_tmpfile (&stdin_nm, template);
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if (outfile == 0)
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pfatal_with_name (_("fopen (temporary file)"));
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while (!feof (stdin) && ! ferror (stdin))
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@ -291,6 +291,14 @@ char *strerror (int errnum);
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char *strsignal (int signum);
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#endif
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#if defined(HAVE_UMASK)
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# define UMASK(_m) umask (_m)
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# define MODE_T mode_t
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#else
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# define UMASK(_m) 0
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# define MODE_T int
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#endif
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/* ISDIGIT offers the following features:
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- Its arg may be any int or unsigned int; it need not be an unsigned char.
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- It's guaranteed to evaluate its argument exactly once.
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@ -520,6 +528,7 @@ int alpha_compare (const void *, const void *);
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void print_spaces (unsigned int);
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char *find_percent (char *);
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const char *find_percent_cached (const char **);
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FILE *get_tmpfile (char **, const char *);
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#ifndef NO_ARCHIVES
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int ar_name (const char *);
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65
misc.c
65
misc.c
@ -23,6 +23,10 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#ifdef WINDOWS32
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# include <io.h>
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#endif
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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#else
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@ -391,6 +395,67 @@ free_ns_chain (struct nameseq *ns)
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}
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/* Provide support for temporary files. */
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#ifndef HAVE_STDLIB_H
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# ifdef HAVE_MKSTEMP
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int mkstemp (char *template);
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# else
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char *mktemp (char *template);
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# endif
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#endif
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FILE *
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get_tmpfile (char **name, const char *template)
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{
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FILE *file;
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#ifdef HAVE_FDOPEN
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int fd;
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#endif
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/* Preserve the current umask, and set a restrictive one for temp files. */
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MODE_T mask = UMASK (0077);
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#if defined(HAVE_MKSTEMP) || defined(HAVE_MKTEMP)
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# define TEMPLATE_LEN strlen (template)
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#else
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# define TEMPLATE_LEN L_tmpnam
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#endif
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*name = xmalloc (TEMPLATE_LEN + 1);
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strcpy (*name, template);
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#if defined(HAVE_MKSTEMP) && defined(HAVE_FDOPEN)
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/* It's safest to use mkstemp(), if we can. */
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EINTRLOOP (fd, mkstemp (*name));
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if (fd == -1)
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file = NULL;
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else
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file = fdopen (fd, "w");
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#else
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# ifdef HAVE_MKTEMP
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(void) mktemp (*name);
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# else
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(void) tmpnam (*name);
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# endif
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# ifdef HAVE_FDOPEN
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/* Can't use mkstemp(), but guard against a race condition. */
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EINTRLOOP (fd, open (*name, O_CREAT|O_EXCL|O_WRONLY, 0600));
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if (fd == -1)
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return 0;
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file = fdopen (fd, "w");
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# else
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/* Not secure, but what can we do? */
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file = fopen (*name, "w");
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# endif
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#endif
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UMASK (mask);
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return file;
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}
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#if !HAVE_STRCASECMP && !HAVE_STRICMP && !HAVE_STRCMPI
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/* If we don't have strcasecmp() (from POSIX), or anything that can substitute
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for it, define our own version. */
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69
output.c
69
output.c
@ -53,14 +53,6 @@ unsigned int stdio_traced = 0;
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# define STREAM_OK(_s) 1
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#endif
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#if defined(HAVE_UMASK)
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# define UMASK(_m) umask (_m)
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# define MODE_T mode_t
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#else
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# define UMASK(_m) 0
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# define MODE_T int
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#endif
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/* Write a BUFFER of size LEN to file descriptor FD.
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Handle EINTR and other short writes. If we get an error, ignore it. */
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int
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@ -428,67 +420,6 @@ output_dump (struct output *out)
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#endif /* NO_OUTPUT_SYNC */
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/* Provide support for temporary files. */
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#ifndef HAVE_STDLIB_H
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# ifdef HAVE_MKSTEMP
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int mkstemp (char *template);
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# else
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char *mktemp (char *template);
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# endif
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#endif
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FILE *
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output_tmpfile (char **name, const char *template)
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{
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FILE *file;
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#ifdef HAVE_FDOPEN
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int fd;
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#endif
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/* Preserve the current umask, and set a restrictive one for temp files. */
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MODE_T mask = UMASK (0077);
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#if defined(HAVE_MKSTEMP) || defined(HAVE_MKTEMP)
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# define TEMPLATE_LEN strlen (template)
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#else
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# define TEMPLATE_LEN L_tmpnam
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#endif
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*name = xmalloc (TEMPLATE_LEN + 1);
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strcpy (*name, template);
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#if defined(HAVE_MKSTEMP) && defined(HAVE_FDOPEN)
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/* It's safest to use mkstemp(), if we can. */
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EINTRLOOP (fd, mkstemp (*name));
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if (fd == -1)
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file = NULL;
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else
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file = fdopen (fd, "w");
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#else
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# ifdef HAVE_MKTEMP
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(void) mktemp (*name);
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# else
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(void) tmpnam (*name);
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# endif
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# ifdef HAVE_FDOPEN
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/* Can't use mkstemp(), but guard against a race condition. */
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EINTRLOOP (fd, open (*name, O_CREAT|O_EXCL|O_WRONLY, 0600));
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if (fd == -1)
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return 0;
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file = fdopen (fd, "w");
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# else
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/* Not secure, but what can we do? */
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file = fopen (*name, "w");
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# endif
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#endif
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UMASK (mask);
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return file;
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}
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/* This code is stolen from gnulib.
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If/when we abandon the requirement to work with K&R compilers, we can
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remove this (and perhaps other parts of GNU make!) and migrate to using
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2
output.h
2
output.h
@ -34,8 +34,6 @@ extern unsigned int stdio_traced;
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#define OUTPUT_TRACED() do{ stdio_traced = 1; }while(0)
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#define OUTPUT_IS_TRACED() (!!stdio_traced)
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FILE *output_tmpfile (char **, const char *);
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/* Write a buffer directly to the given file descriptor.
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This handles errors etc. */
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int output_write (int fd, const void *buffer, size_t len);
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@ -1245,9 +1245,9 @@ child_execute_job (struct child *child, char *argv)
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FILE *outfile;
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int cmd_len;
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outfile = output_tmpfile (&child->comname,
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"sys$scratch:gnv$make_cmdXXXXXX.com");
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/* 012345678901234567890 */
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outfile = get_tmpfile (&child->comname,
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"sys$scratch:gnv$make_cmdXXXXXX.com");
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/* 123456789012345678901234567890 */
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if (outfile == 0)
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pfatal_with_name (_("fopen (temporary file)"));
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comnamelen = strlen (child->comname);
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