diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 39 |
1 files changed, 30 insertions, 9 deletions
@@ -340,6 +340,7 @@ static int utf8encode(long *, char *); static int utf8size(char *); static int isfullutf8(char *, int); +static ssize_t xwrite(int, char *, size_t); static void *xmalloc(size_t); static void *xrealloc(void *, size_t); static void *xcalloc(size_t nmemb, size_t size); @@ -379,6 +380,21 @@ static char *opt_embed = NULL; static char *opt_class = NULL; static char *opt_font = NULL; + +ssize_t +xwrite(int fd, char *s, size_t len) { + size_t aux = len; + + while(len > 0) { + ssize_t r = write(fd, s, len); + if(r < 0) + return r; + len -= r; + s += r; + } + return aux; +} + void * xmalloc(size_t len) { void *p = malloc(len); @@ -926,13 +942,12 @@ ttynew(void) { cmdfd = m; signal(SIGCHLD, sigchld); if(opt_io) { - if(!strcmp(opt_io, "-")) { - iofd = STDOUT_FILENO; - } else { - if((iofd = open(opt_io, O_WRONLY | O_CREAT, 0666)) < 0) { - fprintf(stderr, "Error opening %s:%s\n", - opt_io, strerror(errno)); - } + iofd = (!strcmp(opt_io, "-")) ? + STDOUT_FILENO : + open(opt_io, O_WRONLY | O_CREAT, 0666); + if(iofd < 0) { + fprintf(stderr, "Error opening %s:%s\n", + opt_io, strerror(errno)); } } } @@ -1793,8 +1808,14 @@ tputc(char *c, int len) { uchar ascii = *c; bool control = ascii < '\x20' || ascii == 0177; - if(iofd != -1) - write(iofd, c, len); + if(iofd != -1) { + if (xwrite(iofd, c, len) < 0) { + fprintf(stderr, "Error writting in %s:%s\n", + opt_io, strerror(errno)); + close(iofd); + iofd = -1; + } + } /* * STR sequences must be checked before of anything * because it can use some control codes as part of the sequence |