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In piped_process, replace dprintf with more portable functions

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dprint is missing on many non-glic platforms

* libguile/posix.c (piped_process): replace dprintf with sprintf+write
This commit is contained in:
Michael Gran 2023-06-20 15:28:09 -07:00
parent 9c86c5936e
commit 2e51d3fa26
1 changed files with 15 additions and 2 deletions
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17
libguile/posix.c
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@ -1537,6 +1537,7 @@ piped_process (pid_t *pid, SCM prog, SCM args, SCM from, SCM to)
int c2p[2] = {0, 0}; /* Child to parent. */
int p2c[2] = {0, 0}; /* Parent to child. */
int in = -1, out = -1, err = -1;
char errbuf[200];
char *exec_file;
char **exec_argv;
char **exec_env = environ;
@ -1607,8 +1608,20 @@ piped_process (pid_t *pid, SCM prog, SCM args, SCM from, SCM to)
default: /* ENOENT, etc. */
/* Report the error on the console (before switching to
'posix_spawn', the child process would do exactly that.) */
dprintf (err, "In execvp of %s: %s\n", exec_file,
strerror (errno_save));
snprintf (errbuf, sizeof (errbuf), "In execvp of %s: %s\n", exec_file,
strerror (errno_save));
int n, i = 0;
int len = strlen (errbuf);
do
{
n = write (err, errbuf + i, len);
if (n <= 0)
break;
len -= n;
i += n;
}
while (len > 0);
}
free (exec_file);