diff options
Diffstat (limited to 'Src/utils.c')
| -rw-r--r-- | Src/utils.c | 71 |
1 files changed, 62 insertions, 9 deletions
diff --git a/Src/utils.c b/Src/utils.c index 4cb2ba70d..5d453f860 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -2136,6 +2136,56 @@ checkrmall(char *s) return (getquery("ny", 1) == 'y'); } +/**/ +mod_export ssize_t +read_loop(int fd, void *buf, size_t len) +{ + ssize_t got = len; + + while (1) { + ssize_t ret = read(fd, buf, len); + if (ret == len) + break; + if (ret <= 0) { + if (ret < 0) { + if (errno == EINTR) + continue; + if (fd != SHTTY) + zwarn("read failed: %e", errno); + } + return ret; + } + buf += ret; + len -= ret; + } + + return got; +} + +/**/ +mod_export ssize_t +write_loop(int fd, const void *buf, size_t len) +{ + ssize_t wrote = len; + + while (1) { + ssize_t ret = write(fd, buf, len); + if (ret == len) + break; + if (ret < 0) { + if (errno == EINTR) + continue; + if (fd != SHTTY) + zwarn("write failed: %e", errno); + return -1; + } + buf += ret; + len -= ret; + } + + return wrote; +} + static int read1char(int echo) { @@ -2146,7 +2196,7 @@ read1char(int echo) return -1; } if (echo) - write(SHTTY, &c, 1); + write_loop(SHTTY, &c, 1); return STOUC(c); } @@ -2161,8 +2211,11 @@ noquery(int purge) ioctl(SHTTY, FIONREAD, (char *)&val); if (purge) { - for (; val; val--) - read(SHTTY, &c, 1); + for (; val; val--) { + if (read(SHTTY, &c, 1) != 1) { + /* Do nothing... */ + } + } } #endif @@ -2197,7 +2250,7 @@ getquery(char *valid_chars, int purge) if (noquery(purge)) { if (!isem) settyinfo(&shttyinfo); - write(SHTTY, "n\n", 2); + write_loop(SHTTY, "n\n", 2); return 'n'; } @@ -2220,9 +2273,9 @@ getquery(char *valid_chars, int purge) zbeep(); } if (c >= 0) - write(SHTTY, &c, 1); + write_loop(SHTTY, &c, 1); if (nl) - write(SHTTY, "\n", 1); + write_loop(SHTTY, "\n", 1); if (isem) { if (c != '\n') @@ -2251,7 +2304,7 @@ getquery(char *valid_chars, int purge) } } #endif - write(SHTTY, "\n", 1); + write_loop(SHTTY, "\n", 1); } } settyinfo(&shttyinfo); @@ -3063,9 +3116,9 @@ zbeep(void) if ((vb = getsparam("ZBEEP"))) { int len; vb = getkeystring(vb, &len, GETKEYS_BINDKEY, NULL); - write(SHTTY, vb, len); + write_loop(SHTTY, vb, len); } else if (isset(BEEP)) - write(SHTTY, "\07", 1); + write_loop(SHTTY, "\07", 1); unqueue_signals(); } |