src/usr.bin/tmux/environ.c - diff

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version 1.16, 2016/10/10 21:29:23

version 1.17, 2017/01/24 20:15:32

Line 169

free(envent);

}

/* Copy variables from a destination into a source * environment. */

* Copy a space-separated list of variables from a destination into a source

* environment.

void

environ_update(const char *vars, struct environ *srcenv,

environ_update(struct options *oo, struct environ *src, struct environ *dst)

struct environ *dstenv)

{

struct environ_entry *envent;

char *copyvars, *var, *next;

struct options_entry *o;

u_int size, idx;

const char *value;

copyvars = next = xstrdup(vars);

o = options_get(oo, "update-environment");

while ((var = strsep(&next, " ")) != NULL) {

if (o == NULL || options_array_size(o, &size) == -1)

if ((envent = environ_find(srcenv, var)) == NULL)

return;

environ_clear(dstenv, var);

for (idx = 0; idx < size; idx++) {

value = options_array_get(o, idx);

if (value == NULL)

continue;

if ((envent = environ_find(src, value)) == NULL)

environ_clear(dst, value);

else

environ_set(dstenv, envent->name, "%s", envent->value);

environ_set(dst, envent->name, "%s", envent->value);

}

free(copyvars);

}

/* Push environment into the real environment - use after fork(). */