зеркало из https://github.com/Azure/sonic-openssh.git
72 строки
1.2 KiB
C
72 строки
1.2 KiB
C
#include "includes.h"
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RCSID("$OpenBSD: aux.c,v 1.4 2000/07/13 22:53:21 provos Exp $");
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#include "ssh.h"
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char *
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chop(char *s)
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{
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char *t = s;
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while (*t) {
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if(*t == '\n' || *t == '\r') {
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*t = '\0';
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return s;
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}
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t++;
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}
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return s;
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}
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void
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set_nonblock(int fd)
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{
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int val;
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if (isatty(fd)) {
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/* do not mess with tty's */
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debug("no set_nonblock for tty fd %d", fd);
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return;
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}
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val = fcntl(fd, F_GETFL, 0);
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if (val < 0) {
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error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
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return;
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}
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if (val & O_NONBLOCK)
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return;
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debug("fd %d setting O_NONBLOCK", fd);
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val |= O_NONBLOCK;
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if (fcntl(fd, F_SETFL, val) == -1)
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error("fcntl(%d, F_SETFL, O_NONBLOCK): %s", fd, strerror(errno));
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}
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/* Characters considered whitespace in strsep calls. */
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#define WHITESPACE " \t\r\n"
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char *
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strdelim(char **s)
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{
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char *old;
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int wspace = 0;
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if (*s == NULL)
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return NULL;
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old = *s;
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*s = strpbrk(*s, WHITESPACE "=");
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if (*s == NULL)
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return (old);
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/* Allow only one '=' to be skipped */
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if (*s[0] == '=')
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wspace = 1;
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*s[0] = '\0';
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*s += strspn(*s + 1, WHITESPACE) + 1;
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if (*s[0] == '=' && !wspace)
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*s += strspn(*s + 1, WHITESPACE) + 1;
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return (old);
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}
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