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Bug #7390 perror.exe doesn't work

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perror.c:
  Copy output of strerr to temp buffer to prevent system overwrite on Windows


extra/perror.c:
  Copy output of strerr to temp buffer to prevent system overwrite on Windows
This commit is contained in:
unknown 2005-01-31 23:02:32 -06:00
parent 4b88e07159
commit 199375cbc9
1 changed files with 12 additions and 1 deletions
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13
extra/perror.c
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@ -184,6 +184,7 @@ int main(int argc,char *argv[])
{
int error,code,found;
const char *msg;
char *unknown_error = 0;
MY_INIT(argv[0]);
if (get_options(&argc,&argv))
@ -212,7 +213,12 @@ int main(int argc,char *argv[])
string 'Unknown Error'. To avoid printing it we try to find the
error string by asking for an impossible big error message.
*/
const char *unknown_error= strerror(10000);
msg = strerror(10000);
/* allocate a buffer for unknown_error since strerror always returns the same pointer
on some platforms such as Windows */
unknown_error = malloc( strlen(msg)+1 );
strcpy( unknown_error, msg );
for ( ; argc-- > 0 ; argv++)
{
@ -262,6 +268,11 @@ int main(int argc,char *argv[])
}
}
}
/* if we allocated a buffer for unknown_error, free it now */
if (unknown_error)
free(unknown_error);
exit(error);
return error;
}