src/usr.bin/make/engine.c - diff

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Diff for /src/usr.bin/make/engine.c between version 1.5 and 1.6

version 1.5, 2007/09/17 09:28:36

version 1.6, 2007/09/17 12:07:22

Line 55

static void MakeTimeStamp(void *, void *);

static void MakeAddAllSrc(void *, void *);

static int rewrite_time(const char *);

/*-

*-----------------------------------------------------------------------

Line 121

Line 122

return true;

}

/* touch files the hard way, by writing stuff to them */

static int

rewrite_time(const char *name)

{

int fd;

char c;

fd = open(name, O_RDWR | O_CREAT, 0666);

if (fd < 0)

return -1;

* Read and write a byte to the file to change

* the modification time.

if (read(fd, &c, 1) == 1) {

(void)lseek(fd, 0, SEEK_SET);

(void)write(fd, &c, 1);

}

(void)close(fd);

return 0;

}

/*-

*-----------------------------------------------------------------------

* Job_Touch --

Line 135

Line 159

void

Job_Touch(GNode *gn, bool silent)

{

int streamID; /* ID of stream opened to do the touch */

if (gn->type & (OP_JOIN|OP_USE|OP_EXEC|OP_OPTIONAL)) {

* .JOIN, .USE, .ZEROTIME and .OPTIONAL targets are "virtual"

Line 162

Line 184

const char *file = gn->path != NULL ? gn->path : gn->name;

if (set_times(file) == -1){

streamID = open(file, O_RDWR | O_CREAT, 0666);

if (rewrite_time(file) == -1) {

if (streamID >= 0) {

char c;

* Read and write a byte to the file to change

* the modification time, then close the file.

if (read(streamID, &c, 1) == 1) {

(void)lseek(streamID, 0, SEEK_SET);

(void)write(streamID, &c, 1);

}

(void)close(streamID);

} else {

(void)fprintf(stdout,

"*** couldn't touch %s: %s", file,

strerror(errno));