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/* ISC license. */
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <skalibs/allreadwrite.h>
#include <skalibs/stralloc.h>
#include <skalibs/djbunix.h>
int openreadfileclose (char const *file, stralloc *sa, unsigned int limit)
{
unsigned int n ;
int fd = open_readb(file) ;
if (fd < 0) return 0 ;
{
struct stat st ;
if (fstat(fd, &st) < 0) goto err ;
n = st.st_size ;
}
if (limit && (limit < n)) n = limit ;
if (!stralloc_ready_tuned(sa, sa->len + n, 0, 0, 1)) goto err ;
{
register unsigned int r = allread(fd, sa->s + sa->len, n) ;
sa->len += r ;
if (r < n) goto err ;
}
fd_close(fd) ;
return 1 ;
err:
{
register int e = errno ;
fd_close(fd) ;
errno = e ;
}
return 0 ;
}
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