diff options
Diffstat (limited to 'readclose.c')
-rw-r--r-- | readclose.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/readclose.c b/readclose.c new file mode 100644 index 0000000..b9368cf --- /dev/null +++ b/readclose.c @@ -0,0 +1,21 @@ +#include <unistd.h> +#include "error.h" +#include "readclose.h" + +int readclose_append(int fd,stralloc *sa,unsigned int bufsize) +{ + int r; + for (;;) { + if (!stralloc_readyplus(sa,bufsize)) { close(fd); return -1; } + r = read(fd,sa->s + sa->len,bufsize); + if (r == -1) if (errno == error_intr) continue; + if (r <= 0) { close(fd); return r; } + sa->len += r; + } +} + +int readclose(int fd,stralloc *sa,unsigned int bufsize) +{ + if (!stralloc_copys(sa,"")) { close(fd); return -1; } + return readclose_append(fd,sa,bufsize); +} |