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Fixed handling of `!=' assignment. Don't warn if the shell's output is

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null, but warn if there was an error reading it.
This commit is contained in:
Bruce Evans 1996-09-12 03:03:25 +00:00
parent 4d55cbc522
commit d25a64252b
1 changed files with 7 additions and 6 deletions
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13
usr.bin/make/parse.c
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@ -1428,17 +1428,18 @@ Parse_DoVar (line, ctxt)
while(((pid = wait(&status)) != cpid) && (pid >= 0))
continue;
res = (char *)Buf_GetAll (buf, &cc);
Buf_Destroy (buf, FALSE);
if (cc == 0) {
if (cc == -1) {
/*
* Couldn't read the child's output -- tell the user and
* set the variable to null
* Couldn't read all of the child's output -- tell the user
* but still use whatever we read. Null output isn't an
* error unless there was an error reading it.
*/
Parse_Error(PARSE_WARNING, "Couldn't read shell's output");
}
res = (char *)Buf_GetAll (buf, &cc);
Buf_Destroy (buf, FALSE);
if (status) {
/*
* Child returned an error -- tell the user but still use