/*
******** nrrdContentSet
**
** Kind of like sprintf, but for the content string of the nrrd.
**
** Whether or not we write a new content for an old nrrd ("nin") with
** NULL content is decided here, according to
** nrrdStateAlwaysSetContent.
**
** Does the string allocation and some attempts at error detection.
** Does allow nout==nin, which requires some care.
*/
int
nrrdContentSet_va(Nrrd *nout, const char *func,
const Nrrd *nin, const char *format, ...) {
static const char me[]="nrrdContentSet_va";
va_list ap;
char *content;
if (!(nout && func && nin && format)) {
biffAddf(NRRD, "%s: got NULL pointer", me);
return 1;
}
if (nrrdStateDisableContent) {
/* we kill content always */
nout->content = (char *)airFree(nout->content);
return 0;
}
if (!nin->content && !nrrdStateAlwaysSetContent) {
/* there's no input content, and we're not supposed to invent any
content, so after freeing nout's content we're done */
nout->content = (char *)airFree(nout->content);
return 0;
}
/* we copy the input nrrd content first, before blowing away the
output content, in case nout == nin */
content = _nrrdContentGet(nin);
va_start(ap, format);
if (_nrrdContentSet_nva(nout, func, content, format, ap)) {
biffAddf(NRRD, "%s:", me);
va_end(ap); free(content); return 1;
}
va_end(ap);
free(content);
return 0;
}
int
_nrrdContentSet_va(Nrrd *nout, const char *func,
char *content, const char *format, ...) {
static const char me[]="_nrrdContentSet_va";
va_list ap;
va_start(ap, format);
if (_nrrdContentSet_nva(nout, func, content, format, ap)) {
biffAddf(NRRD, "%s:", me);
free(content); return 1;
}
va_end(ap);
/* free(content); */
return 0;
}
int
_nrrdContentSet_va(Nrrd *nout, const char *func,
char *content, const char *format, ...) {
char me[]="_nrrdContentSet_va", err[BIFF_STRLEN];
va_list ap;
va_start(ap, format);
if (_nrrdContentSet_nva(nout, func, content, format, ap)) {
sprintf(err, "%s:", me);
biffAdd(NRRD, err); free(content); return 1;
}
va_end(ap);
/* free(content); */
return 0;
}
