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a/src/utils/conftree.cpp |
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b/src/utils/conftree.cpp |
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... |
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| 583 |
#include <iostream>
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583 |
#include <iostream>
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| 584 |
#include <list>
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#include <list>
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| 585 |
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585 |
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| 586 |
#include "conftree.h"
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586 |
#include "conftree.h"
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| 587 |
#include "smallut.h"
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#include "smallut.h"
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588 |
#include "readfile.h"
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| 588 |
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589 |
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| 589 |
using namespace std;
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590 |
using namespace std;
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| 590 |
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| 591 |
static char *thisprog;
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592 |
static char *thisprog;
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| 592 |
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| 593 |
static void caterrno(string *reason)
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| 594 |
{
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| 595 |
#define ERRBUFSZ 200
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| 596 |
char errbuf[ERRBUFSZ];
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| 597 |
if (reason) {
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| 598 |
#ifdef sun
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| 599 |
// Note: sun strerror is noted mt-safe ??
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| 600 |
*reason += string("file_to_string: open failed: ") + strerror(errno);
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| 601 |
#else
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| 602 |
strerror_r(errno, errbuf, ERRBUFSZ);
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| 603 |
*reason += string("file_to_string: open failed: ") + errbuf;
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| 604 |
#endif
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}
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| 606 |
}
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| 607 |
static bool file_to_string(const string &fn, string &data, string *reason)
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| 608 |
{
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| 609 |
bool ret = false;
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| 610 |
int fd = open(fn.c_str(), O_RDONLY);
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| 611 |
if (fd < 0) {
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| 612 |
caterrno(reason);
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| 613 |
return false;
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| 614 |
}
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| 615 |
char buf[4096];
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| 616 |
for (;;) {
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| 617 |
int n = read(fd, buf, 4096);
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| 618 |
if (n < 0) {
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| 619 |
caterrno(reason);
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| 620 |
goto out;
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| 621 |
}
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| 622 |
if (n == 0)
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| 623 |
break;
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| 624 |
try {
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| 625 |
data.append(buf, n);
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| 626 |
} catch (...) {
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| 627 |
caterrno(reason);
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| 628 |
goto out;
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| 629 |
}
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| 630 |
}
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| 631 |
ret = true;
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| 632 |
out:
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| 633 |
if (fd >= 0)
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| 634 |
close(fd);
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| 635 |
return ret;
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| 636 |
}
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| 637 |
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593 |
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| 638 |
bool complex_updates(const string& fn)
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594 |
bool complex_updates(const string& fn)
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| 639 |
{
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{
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| 640 |
int fd;
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int fd;
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| 641 |
if ((fd = open(fn.c_str(), O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) {
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597 |
if ((fd = open(fn.c_str(), O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) {
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