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authorwolfbeast <mcwerewolf@wolfbeast.com>2020-01-02 21:01:38 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-01-02 21:01:38 +0100
commitf7d30133221896638f7bf4f66c504255c4b14f48 (patch)
tree5f3e07a049f388a3a309a615b8884318f6668a98 /nsprpub/config/nsinstall.c
parent26b297510a11758727438df4669357a2a2bc42ce (diff)
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Issue #1338 - Part 1: Update NSPR to 4.24
Diffstat (limited to 'nsprpub/config/nsinstall.c')
-rw-r--r--nsprpub/config/nsinstall.c535
1 files changed, 285 insertions, 250 deletions
diff --git a/nsprpub/config/nsinstall.c b/nsprpub/config/nsinstall.c
index f1d2cff26..ee6a11155 100644
--- a/nsprpub/config/nsinstall.c
+++ b/nsprpub/config/nsinstall.c
@@ -30,9 +30,6 @@
#define HAVE_FCHMOD
-#if defined(BEOS)
-#undef HAVE_FCHMOD
-#endif
/*
* Does getcwd() take NULL as the first argument and malloc
@@ -42,13 +39,13 @@
#define GETCWD_CAN_MALLOC
#endif
-#if defined(LINUX) || defined(__GNU__) || defined(__GLIBC__)
+#if defined(LINUX) || defined(__GNU__) || defined(__GLIBC__)
#include <getopt.h>
#endif
#if defined(SCO) || defined(UNIXWARE)
#if !defined(S_ISLNK) && defined(S_IFLNK)
-#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
+#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
#endif
#endif
@@ -60,9 +57,9 @@ static void
usage(void)
{
fprintf(stderr,
- "usage: %s [-C cwd] [-L linkprefix] [-m mode] [-o owner] [-g group]\n"
- " %*s [-DdltR] file [file ...] directory\n",
- program, (int)strlen(program), "");
+ "usage: %s [-C cwd] [-L linkprefix] [-m mode] [-o owner] [-g group]\n"
+ " %*s [-DdltR] file [file ...] directory\n",
+ program, (int)strlen(program), "");
exit(2);
}
@@ -72,24 +69,27 @@ mkdirs(char *path, mode_t mode)
char *cp;
struct stat sb;
int res;
-
- while (*path == '/' && path[1] == '/')
- path++;
+
+ while (*path == '/' && path[1] == '/') {
+ path++;
+ }
for (cp = strrchr(path, '/'); cp && cp != path && cp[-1] == '/'; cp--)
- ;
+ ;
if (cp && cp != path) {
- *cp = '\0';
- if ((stat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
- mkdirs(path, mode) < 0) {
- return -1;
- }
- *cp = '/';
+ *cp = '\0';
+ if ((stat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
+ mkdirs(path, mode) < 0) {
+ return -1;
+ }
+ *cp = '/';
}
res = mkdir(path, mode);
- if ((res != 0) && (errno == EEXIST))
- return 0;
- else
- return res;
+ if ((res != 0) && (errno == EEXIST)) {
+ return 0;
+ }
+ else {
+ return res;
+ }
}
static uid_t
@@ -100,11 +100,13 @@ touid(char *owner)
char *cp;
pw = getpwnam(owner);
- if (pw)
- return pw->pw_uid;
+ if (pw) {
+ return pw->pw_uid;
+ }
uid = strtol(owner, &cp, 0);
- if (uid == 0 && cp == owner)
- fail("cannot find uid for %s", owner);
+ if (uid == 0 && cp == owner) {
+ fail("cannot find uid for %s", owner);
+ }
return uid;
}
@@ -116,11 +118,13 @@ togid(char *group)
char *cp;
gr = getgrnam(group);
- if (gr)
- return gr->gr_gid;
+ if (gr) {
+ return gr->gr_gid;
+ }
gid = strtol(group, &cp, 0);
- if (gid == 0 && cp == group)
- fail("cannot find gid for %s", group);
+ if (gid == 0 && cp == group) {
+ fail("cannot find gid for %s", group);
+ }
return gid;
}
@@ -140,65 +144,68 @@ main(int argc, char **argv)
onlydir = dodir = dolink = dorelsymlink = dotimes = lplen = 0;
while ((opt = getopt(argc, argv, "C:DdlL:Rm:o:g:t")) != EOF) {
- switch (opt) {
- case 'C':
- cwd = optarg;
- break;
- case 'D':
- onlydir = 1;
- break;
- case 'd':
- dodir = 1;
- break;
- case 'l':
- dolink = 1;
- break;
- case 'L':
- linkprefix = optarg;
- lplen = strlen(linkprefix);
- dolink = 1;
- break;
- case 'R':
- dolink = dorelsymlink = 1;
- break;
- case 'm':
- mode = strtoul(optarg, &cp, 8);
- if (mode == 0 && cp == optarg)
- usage();
- break;
- case 'o':
- owner = optarg;
- break;
- case 'g':
- group = optarg;
- break;
- case 't':
- dotimes = 1;
- break;
- default:
- usage();
- }
+ switch (opt) {
+ case 'C':
+ cwd = optarg;
+ break;
+ case 'D':
+ onlydir = 1;
+ break;
+ case 'd':
+ dodir = 1;
+ break;
+ case 'l':
+ dolink = 1;
+ break;
+ case 'L':
+ linkprefix = optarg;
+ lplen = strlen(linkprefix);
+ dolink = 1;
+ break;
+ case 'R':
+ dolink = dorelsymlink = 1;
+ break;
+ case 'm':
+ mode = strtoul(optarg, &cp, 8);
+ if (mode == 0 && cp == optarg) {
+ usage();
+ }
+ break;
+ case 'o':
+ owner = optarg;
+ break;
+ case 'g':
+ group = optarg;
+ break;
+ case 't':
+ dotimes = 1;
+ break;
+ default:
+ usage();
+ }
}
argc -= optind;
argv += optind;
- if (argc < 2 - onlydir)
- usage();
+ if (argc < 2 - onlydir) {
+ usage();
+ }
todir = argv[argc-1];
if ((stat(todir, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
- mkdirs(todir, 0777) < 0) {
- fail("cannot make directory %s", todir);
+ mkdirs(todir, 0777) < 0) {
+ fail("cannot make directory %s", todir);
+ }
+ if (onlydir) {
+ return 0;
}
- if (onlydir)
- return 0;
if (!cwd) {
#ifdef GETCWD_CAN_MALLOC
- cwd = getcwd(0, PATH_MAX);
+ cwd = getcwd(0, PATH_MAX);
#else
- cwd = malloc(PATH_MAX + 1);
- cwd = getcwd(cwd, PATH_MAX);
+ cwd = malloc(PATH_MAX + 1);
+ cwd = getcwd(cwd, PATH_MAX);
#endif
}
xchdir(todir);
@@ -215,120 +222,134 @@ main(int argc, char **argv)
gid = group ? togid(group) : -1;
while (--argc > 0) {
- name = *argv++;
- len = strlen(name);
- base = xbasename(name);
- bnlen = strlen(base);
- toname = (char*)xmalloc(tdlen + 1 + bnlen + 1);
- sprintf(toname, "%s/%s", todir, base);
- exists = (lstat(toname, &tosb) == 0);
-
- if (dodir) {
- /* -d means create a directory, always */
- if (exists && !S_ISDIR(tosb.st_mode)) {
- (void) unlink(toname);
- exists = 0;
- }
- if (!exists && mkdir(toname, mode) < 0)
- fail("cannot make directory %s", toname);
- if ((owner || group) && chown(toname, uid, gid) < 0)
- fail("cannot change owner of %s", toname);
- } else if (dolink) {
- if (*name == '/') {
- /* source is absolute pathname, link to it directly */
- linkname = 0;
- } else {
- if (linkprefix) {
- /* -L implies -l and prefixes names with a $cwd arg. */
- len += lplen + 1;
- linkname = (char*)xmalloc(len + 1);
- sprintf(linkname, "%s/%s", linkprefix, name);
- } else if (dorelsymlink) {
- /* Symlink the relative path from todir to source name. */
- linkname = (char*)xmalloc(PATH_MAX);
-
- if (*todir == '/') {
- /* todir is absolute: skip over common prefix. */
- lplen = relatepaths(todir, cwd, linkname);
- strcpy(linkname + lplen, name);
- } else {
- /* todir is named by a relative path: reverse it. */
- reversepath(todir, name, len, linkname);
- xchdir(cwd);
- }
-
- len = strlen(linkname);
- }
- name = linkname;
- }
-
- /* Check for a pre-existing symlink with identical content. */
- if (exists &&
- (!S_ISLNK(tosb.st_mode) ||
- readlink(toname, buf, sizeof buf) != len ||
- strncmp(buf, name, len) != 0)) {
- (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
- exists = 0;
- }
- if (!exists && symlink(name, toname) < 0)
- fail("cannot make symbolic link %s", toname);
+ name = *argv++;
+ len = strlen(name);
+ base = xbasename(name);
+ bnlen = strlen(base);
+ toname = (char*)xmalloc(tdlen + 1 + bnlen + 1);
+ sprintf(toname, "%s/%s", todir, base);
+ exists = (lstat(toname, &tosb) == 0);
+
+ if (dodir) {
+ /* -d means create a directory, always */
+ if (exists && !S_ISDIR(tosb.st_mode)) {
+ (void) unlink(toname);
+ exists = 0;
+ }
+ if (!exists && mkdir(toname, mode) < 0) {
+ fail("cannot make directory %s", toname);
+ }
+ if ((owner || group) && chown(toname, uid, gid) < 0) {
+ fail("cannot change owner of %s", toname);
+ }
+ } else if (dolink) {
+ if (*name == '/') {
+ /* source is absolute pathname, link to it directly */
+ linkname = 0;
+ } else {
+ if (linkprefix) {
+ /* -L implies -l and prefixes names with a $cwd arg. */
+ len += lplen + 1;
+ linkname = (char*)xmalloc(len + 1);
+ sprintf(linkname, "%s/%s", linkprefix, name);
+ } else if (dorelsymlink) {
+ /* Symlink the relative path from todir to source name. */
+ linkname = (char*)xmalloc(PATH_MAX);
+
+ if (*todir == '/') {
+ /* todir is absolute: skip over common prefix. */
+ lplen = relatepaths(todir, cwd, linkname);
+ strcpy(linkname + lplen, name);
+ } else {
+ /* todir is named by a relative path: reverse it. */
+ reversepath(todir, name, len, linkname);
+ xchdir(cwd);
+ }
+
+ len = strlen(linkname);
+ }
+ name = linkname;
+ }
+
+ /* Check for a pre-existing symlink with identical content. */
+ if (exists &&
+ (!S_ISLNK(tosb.st_mode) ||
+ readlink(toname, buf, sizeof buf) != len ||
+ strncmp(buf, name, len) != 0)) {
+ (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
+ exists = 0;
+ }
+ if (!exists && symlink(name, toname) < 0) {
+ fail("cannot make symbolic link %s", toname);
+ }
#ifdef HAVE_LCHOWN
- if ((owner || group) && lchown(toname, uid, gid) < 0)
- fail("cannot change owner of %s", toname);
+ if ((owner || group) && lchown(toname, uid, gid) < 0) {
+ fail("cannot change owner of %s", toname);
+ }
#endif
- if (linkname) {
- free(linkname);
- linkname = 0;
- }
- } else {
- /* Copy from name to toname, which might be the same file. */
- fromfd = open(name, O_RDONLY);
- if (fromfd < 0 || fstat(fromfd, &sb) < 0)
- fail("cannot access %s", name);
- if (exists && (!S_ISREG(tosb.st_mode) || access(toname, W_OK) < 0))
- (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
- tofd = open(toname, O_CREAT | O_WRONLY, 0666);
- if (tofd < 0)
- fail("cannot create %s", toname);
-
- bp = buf;
- while ((cc = read(fromfd, bp, sizeof buf)) > 0) {
- while ((wc = write(tofd, bp, cc)) > 0) {
- if ((cc -= wc) == 0)
- break;
- bp += wc;
- }
- if (wc < 0)
- fail("cannot write to %s", toname);
- }
- if (cc < 0)
- fail("cannot read from %s", name);
-
- if (ftruncate(tofd, sb.st_size) < 0)
- fail("cannot truncate %s", toname);
- if (dotimes) {
- utb.actime = sb.st_atime;
- utb.modtime = sb.st_mtime;
- if (utime(toname, &utb) < 0)
- fail("cannot set times of %s", toname);
- }
+ if (linkname) {
+ free(linkname);
+ linkname = 0;
+ }
+ } else {
+ /* Copy from name to toname, which might be the same file. */
+ fromfd = open(name, O_RDONLY);
+ if (fromfd < 0 || fstat(fromfd, &sb) < 0) {
+ fail("cannot access %s", name);
+ }
+ if (exists && (!S_ISREG(tosb.st_mode) || access(toname, W_OK) < 0)) {
+ (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
+ }
+ tofd = open(toname, O_CREAT | O_WRONLY, 0666);
+ if (tofd < 0) {
+ fail("cannot create %s", toname);
+ }
+
+ bp = buf;
+ while ((cc = read(fromfd, bp, sizeof buf)) > 0) {
+ while ((wc = write(tofd, bp, cc)) > 0) {
+ if ((cc -= wc) == 0) {
+ break;
+ }
+ bp += wc;
+ }
+ if (wc < 0) {
+ fail("cannot write to %s", toname);
+ }
+ }
+ if (cc < 0) {
+ fail("cannot read from %s", name);
+ }
+
+ if (ftruncate(tofd, sb.st_size) < 0) {
+ fail("cannot truncate %s", toname);
+ }
+ if (dotimes) {
+ utb.actime = sb.st_atime;
+ utb.modtime = sb.st_mtime;
+ if (utime(toname, &utb) < 0) {
+ fail("cannot set times of %s", toname);
+ }
+ }
#ifdef HAVE_FCHMOD
- if (fchmod(tofd, mode) < 0)
+ if (fchmod(tofd, mode) < 0)
#else
- if (chmod(toname, mode) < 0)
+ if (chmod(toname, mode) < 0)
#endif
- fail("cannot change mode of %s", toname);
- if ((owner || group) && fchown(tofd, uid, gid) < 0)
- fail("cannot change owner of %s", toname);
-
- /* Must check for delayed (NFS) write errors on close. */
- if (close(tofd) < 0)
- fail("cannot write to %s", toname);
- close(fromfd);
- }
-
- free(toname);
+ fail("cannot change mode of %s", toname);
+ if ((owner || group) && fchown(tofd, uid, gid) < 0) {
+ fail("cannot change owner of %s", toname);
+ }
+
+ /* Must check for delayed (NFS) write errors on close. */
+ if (close(tofd) < 0) {
+ fail("cannot write to %s", toname);
+ }
+ close(fromfd);
+ }
+
+ free(toname);
}
free(cwd);
@@ -362,10 +383,10 @@ fail(char *format, ...)
if (error)
#ifdef USE_REENTRANT_LIBC
- R_STRERROR_R(errno);
- fprintf(stderr, ": %s", r_strerror_r);
+ R_STRERROR_R(errno);
+ fprintf(stderr, ": %s", r_strerror_r);
#else
- fprintf(stderr, ": %s", strerror(errno));
+ fprintf(stderr, ": %s", strerror(errno));
#endif
putc('\n', stderr);
@@ -375,18 +396,20 @@ fail(char *format, ...)
char *
getcomponent(char *path, char *name)
{
- if (*path == '\0')
- return 0;
+ if (*path == '\0') {
+ return 0;
+ }
if (*path == '/') {
- *name++ = '/';
+ *name++ = '/';
} else {
- do {
- *name++ = *path++;
- } while (*path != '/' && *path != '\0');
+ do {
+ *name++ = *path++;
+ } while (*path != '/' && *path != '\0');
}
*name = '\0';
- while (*path == '/')
- path++;
+ while (*path == '/') {
+ path++;
+ }
return path;
}
@@ -394,14 +417,14 @@ getcomponent(char *path, char *name)
/* Sigh. The static buffer in Unixware's readdir is too small. */
struct dirent * readdir(DIR *d)
{
- static struct dirent *buf = NULL;
+ static struct dirent *buf = NULL;
#define MAX_PATH_LEN 1024
- if(buf == NULL)
- buf = (struct dirent *) malloc(sizeof(struct dirent) + MAX_PATH_LEN)
-;
- return(readdir_r(d, buf));
+ if(buf == NULL)
+ buf = (struct dirent *) malloc(sizeof(struct dirent) + MAX_PATH_LEN)
+ ;
+ return(readdir_r(d, buf));
}
#endif
@@ -413,13 +436,16 @@ ino2name(ino_t ino, char *dir)
char *name;
dp = opendir("..");
- if (!dp)
- fail("cannot read parent directory");
+ if (!dp) {
+ fail("cannot read parent directory");
+ }
for (;;) {
- if (!(ep = readdir(dp)))
- fail("cannot find current directory");
- if (ep->d_ino == ino)
- break;
+ if (!(ep = readdir(dp))) {
+ fail("cannot find current directory");
+ }
+ if (ep->d_ino == ino) {
+ break;
+ }
}
name = xstrdup(ep->d_name);
closedir(dp);
@@ -430,8 +456,9 @@ void *
xmalloc(size_t size)
{
void *p = malloc(size);
- if (!p)
- fail("cannot allocate %u bytes", size);
+ if (!p) {
+ fail("cannot allocate %u bytes", size);
+ }
return p;
}
@@ -446,17 +473,21 @@ xbasename(char *path)
{
char *cp;
- while ((cp = strrchr(path, '/')) && cp[1] == '\0')
- *cp = '\0';
- if (!cp) return path;
+ while ((cp = strrchr(path, '/')) && cp[1] == '\0') {
+ *cp = '\0';
+ }
+ if (!cp) {
+ return path;
+ }
return cp + 1;
}
void
xchdir(char *dir)
{
- if (chdir(dir) < 0)
- fail("cannot change directory to %s", dir);
+ if (chdir(dir) < 0) {
+ fail("cannot change directory to %s", dir);
+ }
}
int
@@ -468,27 +499,29 @@ relatepaths(char *from, char *to, char *outpath)
assert(*from == '/' && *to == '/');
for (cp = to, cp2 = from; *cp == *cp2; cp++, cp2++)
- if (*cp == '\0')
- break;
- while (cp[-1] != '/')
- cp--, cp2--;
+ if (*cp == '\0') {
+ break;
+ }
+ while (cp[-1] != '/') {
+ cp--, cp2--;
+ }
if (cp - 1 == to) {
- /* closest common ancestor is /, so use full pathname */
- len = strlen(strcpy(outpath, to));
- if (outpath[len] != '/') {
- outpath[len++] = '/';
- outpath[len] = '\0';
- }
+ /* closest common ancestor is /, so use full pathname */
+ len = strlen(strcpy(outpath, to));
+ if (outpath[len] != '/') {
+ outpath[len++] = '/';
+ outpath[len] = '\0';
+ }
} else {
- len = 0;
- while ((cp2 = getcomponent(cp2, buf)) != 0) {
- strcpy(outpath + len, "../");
- len += 3;
- }
- while ((cp = getcomponent(cp, buf)) != 0) {
- sprintf(outpath + len, "%s/", buf);
- len += strlen(outpath + len);
- }
+ len = 0;
+ while ((cp2 = getcomponent(cp2, buf)) != 0) {
+ strcpy(outpath + len, "../");
+ len += 3;
+ }
+ while ((cp = getcomponent(cp, buf)) != 0) {
+ sprintf(outpath + len, "%s/", buf);
+ len += strlen(outpath + len);
+ }
}
return len;
}
@@ -503,23 +536,25 @@ reversepath(char *inpath, char *name, int len, char *outpath)
cp = strcpy(outpath + PATH_MAX - (len + 1), name);
cp2 = inpath;
while ((cp2 = getcomponent(cp2, buf)) != 0) {
- if (strcmp(buf, ".") == 0)
- continue;
- if (strcmp(buf, "..") == 0) {
- if (stat(".", &sb) < 0)
- fail("cannot stat current directory");
- name = ino2name(sb.st_ino, "..");
- len = strlen(name);
- cp -= len + 1;
- strcpy(cp, name);
- cp[len] = '/';
- free(name);
- xchdir("..");
- } else {
- cp -= 3;
- strncpy(cp, "../", 3);
- xchdir(buf);
- }
+ if (strcmp(buf, ".") == 0) {
+ continue;
+ }
+ if (strcmp(buf, "..") == 0) {
+ if (stat(".", &sb) < 0) {
+ fail("cannot stat current directory");
+ }
+ name = ino2name(sb.st_ino, "..");
+ len = strlen(name);
+ cp -= len + 1;
+ strcpy(cp, name);
+ cp[len] = '/';
+ free(name);
+ xchdir("..");
+ } else {
+ cp -= 3;
+ memcpy(cp, "../", 3);
+ xchdir(buf);
+ }
}
strcpy(outpath, cp);
}