diff options
Diffstat (limited to 'other/openssh-2.1.1p4/aux.c')
| -rw-r--r-- | other/openssh-2.1.1p4/aux.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/other/openssh-2.1.1p4/aux.c b/other/openssh-2.1.1p4/aux.c new file mode 100644 index 0000000..709e245 --- /dev/null +++ b/other/openssh-2.1.1p4/aux.c | |||
| @@ -0,0 +1,71 @@ | |||
| 1 | #include "includes.h" | ||
| 2 | RCSID("$OpenBSD: aux.c,v 1.4 2000/07/13 22:53:21 provos Exp $"); | ||
| 3 | |||
| 4 | #include "ssh.h" | ||
| 5 | |||
| 6 | char * | ||
| 7 | chop(char *s) | ||
| 8 | { | ||
| 9 | char *t = s; | ||
| 10 | while (*t) { | ||
| 11 | if(*t == '\n' || *t == '\r') { | ||
| 12 | *t = '\0'; | ||
| 13 | return s; | ||
| 14 | } | ||
| 15 | t++; | ||
| 16 | } | ||
| 17 | return s; | ||
| 18 | |||
| 19 | } | ||
| 20 | |||
| 21 | void | ||
| 22 | set_nonblock(int fd) | ||
| 23 | { | ||
| 24 | int val; | ||
| 25 | if (isatty(fd)) { | ||
| 26 | /* do not mess with tty's */ | ||
| 27 | debug("no set_nonblock for tty fd %d", fd); | ||
| 28 | return; | ||
| 29 | } | ||
| 30 | val = fcntl(fd, F_GETFL, 0); | ||
| 31 | if (val < 0) { | ||
| 32 | error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno)); | ||
| 33 | return; | ||
| 34 | } | ||
| 35 | if (val & O_NONBLOCK) | ||
| 36 | return; | ||
| 37 | debug("fd %d setting O_NONBLOCK", fd); | ||
| 38 | val |= O_NONBLOCK; | ||
| 39 | if (fcntl(fd, F_SETFL, val) == -1) | ||
| 40 | error("fcntl(%d, F_SETFL, O_NONBLOCK): %s", fd, strerror(errno)); | ||
| 41 | } | ||
| 42 | |||
| 43 | /* Characters considered whitespace in strsep calls. */ | ||
| 44 | #define WHITESPACE " \t\r\n" | ||
| 45 | |||
| 46 | char * | ||
| 47 | strdelim(char **s) | ||
| 48 | { | ||
| 49 | char *old; | ||
| 50 | int wspace = 0; | ||
| 51 | |||
| 52 | if (*s == NULL) | ||
| 53 | return NULL; | ||
| 54 | |||
| 55 | old = *s; | ||
| 56 | |||
| 57 | *s = strpbrk(*s, WHITESPACE "="); | ||
| 58 | if (*s == NULL) | ||
| 59 | return (old); | ||
| 60 | |||
| 61 | /* Allow only one '=' to be skipped */ | ||
| 62 | if (*s[0] == '=') | ||
| 63 | wspace = 1; | ||
| 64 | *s[0] = '\0'; | ||
| 65 | |||
| 66 | *s += strspn(*s + 1, WHITESPACE) + 1; | ||
| 67 | if (*s[0] == '=' && !wspace) | ||
| 68 | *s += strspn(*s + 1, WHITESPACE) + 1; | ||
| 69 | |||
| 70 | return (old); | ||
| 71 | } | ||
