Mail Archives: cygwin/2005/01/13/15:44:33
On Wed, Jan 12, 2005 at 10:42:48PM -0800, Yitzchak Scott-Thoennes wrote:
> Given a simple child process that prints its argument, and a parent
> that execs it passing a\"b\"c, trying combinations of cygwin and non-
> cygwin parent and child shows inconsistency in what's received:
>
> $ cat child.c
> #include <stdio.h>
> int main(int argc, char **argv)
> {
> printf("[%s]\n", argv[1]);
> return 0;
> }
>
> $ cat parent.c
> #include <unistd.h>
> int main(int argc, char **argv) {
> char *args[] = { argv[1], "a\\\"b\\\"c", 0};
> execv( argv[1], args);
> return 1;
> }
>
> $ gcc -mno-cygwin -Wall child.c -o nocygchild
>
> $ gcc -mno-cygwin -Wall parent.c -o nocygparent
> parent.c: In function `main':
> parent.c:4: warning: passing arg 2 of `execv' from incompatible pointer type
Incidentally, that warning is due to mingw having a non-compliant prototype.
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