int subprocess_setenv (struct subprocess *p,
const char *k, const char *v, int overwrite)
{
if (p->started) {
errno = EINVAL;
return (-1);
}
if (!overwrite && envz_entry (p->envz, p->envz_len, k)) {
errno = EEXIST;
return -1;
}
if (envz_add (&p->envz, &p->envz_len, k, v) < 0) {
errno = ENOMEM;
return (-1);
}
return (0);
}
int
do_test (void)
{
size_t size = 0;
char *str = malloc (100);
if (str == NULL)
{
puts ("out of memory");
return 1;
}
char **argz = &str;
for (int i = 0; i < nstrs; ++i)
argz_add_sep (argz, &size, strs[i].s, '\0');
printf ("calling envz_strip with size=%zu\n", size);
envz_strip (argz, &size);
int result = 0;
printf ("new size=%zu\n", size);
for (int i = 0; i < nstrs; ++i)
if (strs[i].in_result)
{
char name[2];
name[0] = strs[i].s[0];
name[1] = '\0';
char *e = envz_entry (*argz, size, name);
if (e == NULL)
{
printf ("entry '%s' not found\n", name);
result = 1;
}
else if (strcmp (e, strs[i].s) != 0)
{
printf ("entry '%s' does not match: is '%s', expected '%s'\n",
name, e, strs[i].s);
result = 1;
}
}
free (*argz);
return result;
}
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <argz.h>
#include <envz.h>
void
_DEFUN (envz_remove, (envz, envz_len, name),
char **envz _AND
size_t *envz_len _AND
const char *name)
{
char *entry = NULL;
int len = 0;
entry = envz_entry (*envz, *envz_len, name);
if (entry)
{
len = strlen(entry) + 1;
/* Not the last entry. */
if (*envz + *envz_len != entry + len - 1)
{
memmove(entry, entry + len, *envz + *envz_len - entry - len);
}
*envz = (char *)realloc(*envz, *envz_len - len);
*envz_len -= len;
}
}
