diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/legacy/getusershell.c | 6 | ||||
| -rw-r--r-- | src/misc/syslog.c | 2 | ||||
| -rw-r--r-- | src/network/inet_ntop.c | 7 | ||||
| -rw-r--r-- | src/signal/siglongjmp.c | 5 |
4 files changed, 16 insertions, 4 deletions
diff --git a/src/legacy/getusershell.c b/src/legacy/getusershell.c index 5fecdec2..1c5d98ec 100644 --- a/src/legacy/getusershell.c +++ b/src/legacy/getusershell.c @@ -25,8 +25,10 @@ char *getusershell(void) ssize_t l; if (!f) setusershell(); if (!f) return 0; - l = getline(&line, &linesize, f); - if (l <= 0) return 0; + do { + l = getline(&line, &linesize, f); + if (l <= 0) return 0; + } while (line[0] == '#' || line[0] == '\n'); if (line[l-1]=='\n') line[l-1]=0; return line; } diff --git a/src/misc/syslog.c b/src/misc/syslog.c index 3131c782..710202f9 100644 --- a/src/misc/syslog.c +++ b/src/misc/syslog.c @@ -128,7 +128,7 @@ static void _vsyslog(int priority, const char *message, va_list ap) static void __vsyslog(int priority, const char *message, va_list ap) { int cs; - if (!(log_mask & LOG_MASK(priority&7)) || (priority&~0xff)) return; + if (!(log_mask & LOG_MASK(priority&7)) || (priority&~0x3ff)) return; pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); LOCK(lock); _vsyslog(priority, message, ap); diff --git a/src/network/inet_ntop.c b/src/network/inet_ntop.c index 4bfef2c5..f442f47d 100644 --- a/src/network/inet_ntop.c +++ b/src/network/inet_ntop.c @@ -34,7 +34,12 @@ const char *inet_ntop(int af, const void *restrict a0, char *restrict s, socklen for (i=best=0, max=2; buf[i]; i++) { if (i && buf[i] != ':') continue; j = strspn(buf+i, ":0"); - if (j>max) best=i, max=j; + /* The leading sequence of zeros (best==0) is + * disadvantaged compared to sequences elsewhere + * as it doesn't have a leading colon. One extra + * character is required for another sequence to + * beat it fairly. */ + if (j>max+(best==0)) best=i, max=j; } if (max>3) { buf[best] = buf[best+1] = ':'; diff --git a/src/signal/siglongjmp.c b/src/signal/siglongjmp.c index bc317acc..53789b23 100644 --- a/src/signal/siglongjmp.c +++ b/src/signal/siglongjmp.c @@ -5,5 +5,10 @@ _Noreturn void siglongjmp(sigjmp_buf buf, int ret) { + /* If sigsetjmp was called with nonzero savemask flag, the address + * longjmp will return to is inside of sigsetjmp. The signal mask + * will then be restored in the returned-to context instead of here, + * which matters if the context we are returning from may not have + * sufficient stack space for signal delivery. */ longjmp(buf, ret); } |