X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5243c216d6db4c728c7bf0ad7ab769c9bb6a728b..c95da96a0c51c66c8cb2eff97b768a717d9e0c79:/util.c diff --git a/util.c b/util.c index 11e4a9d9..639a4a4f 100644 --- a/util.c +++ b/util.c @@ -24,15 +24,33 @@ */ #include "rsync.h" -int num_waiting(int fd) +/**************************************************************************** +Set a fd into nonblocking mode. Uses POSIX O_NONBLOCK if available, +else +if SYSV use O_NDELAY +if BSD use FNDELAY +****************************************************************************/ +int set_nonblocking(int fd) { - int len=0; - ioctl(fd,FIONREAD,&len); - return(len); + int val; +#ifdef O_NONBLOCK +#define FLAG_TO_SET O_NONBLOCK +#else +#ifdef SYSV +#define FLAG_TO_SET O_NDELAY +#else /* BSD */ +#define FLAG_TO_SET FNDELAY +#endif +#endif + + if((val = fcntl(fd, F_GETFL, 0)) == -1) + return -1; + val |= FLAG_TO_SET; + return fcntl( fd, F_SETFL, val); +#undef FLAG_TO_SET } - /* this is taken from CVS */ int piped_child(char **command,int *f_in,int *f_out) { @@ -206,7 +224,7 @@ int create_directory_path(char *fname) derived from GNU C's cccp.c. */ -int full_write(int desc, char *ptr, int len) +static int full_write(int desc, char *ptr, int len) { int total_written; @@ -653,3 +671,17 @@ int pop_dir(char *dir) return 0; } + +/* we need to supply our own strcmp function for file list comparisons + to ensure that signed/unsigned usage is consistent between machines. */ +int u_strcmp(const char *cs1, const char *cs2) +{ + const uchar *s1 = (uchar *)cs1; + const uchar *s2 = (uchar *)cs2; + + while (*s1 && *s2 && (*s1 == *s2)) { + s1++; s2++; + } + + return (int)*s1 - (int)*s2; +}