Mail Archives: djgpp/2003/06/13/11:15:08
From: | "A. Sinan Unur" <asu1 AT c-o-r-n-e-l-l DOT edu>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: DJGPP Library function System(); problem under WIN NT
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Date: | 13 Jun 2003 15:09:25 GMT
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Organization: | Cornell University
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Lines: | 74
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"Shete, Bahubali (icd) USX" <bvshete AT moog DOT com> wrote in
news:A39EEA2C33B08346A5D92E8DC6BD6B540723ECEE AT exchange DOT moog DOT com:
> Hi,
>
> I have a DOS utility which was originally built under TC on DOS.
> Recently we moved over to DJGPP (GCC under DOS). I have 2 problems:
>
> 1. the tmpnam() function with DJGPP returns filenames with '/' as
> separators in the path for the temp. file name. Where as DOS doesn't
> like it.
> 2. Once I changed all the '/' to '\' then, I have another problem.
> With these temp file names, I do a sorting using DOS sort.exe via
> system() function call to DOS shell. This works fine under WIN 2000.
> But fails under WIN NT. I tried to play with the _system_flags bits in
> stdlib.h. But could not get it to work.
>
> Any clues?
It would help to see a small amount of code exhibiting the problem and
sample output.
Also, do you know which sort.exe you are using? The one from GNU
Textutils or the one that comes with Windows? Or, do you have textutils
installed on one machine and not the other?
C:\Dload\misc>cat sortwin.c
#include <stdio.h>
#include <stdlib.h>
#define SORT_PROGRAM "c:/windows/system32/sort.exe"
int main(void) {
FILE *f;
char fname[L_tmpnam];
int ret;
if((f = fopen(tmpnam(fname),"w")) == NULL) {
fprintf(stderr, "Error opening %s for writing\n", fname);
ret = EXIT_FAILURE;
} else {
int i;
char cmdline[1024];
for(i = '9'; i >= '0'; --i) {
fprintf(f, "%c\n", i);
}
fclose(f);
sprintf(cmdline, SORT_PROGRAM " %s", fname);
fprintf(stderr, "Run: %s\n", cmdline);
ret = system(cmdline);
}
return ret;
}
C:\Dload\misc>gcc -Wall -O2 sortwin.c -o sortwin.exe
C:\Dload\misc>sortwin
Run: c:/windows/system32/sort.exe C:\DOCUME~1\asu1\LOCALS~1\Temp/dj500000
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--
A. Sinan Unur
asu1 AT c-o-r-n-e-l-l DOT edu
Remove dashes for address
Spam bait: mailto:uce AT ftc DOT gov
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