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Diffstat (limited to 'ldso/util/ldconfig.c')
-rw-r--r--ldso/util/ldconfig.c103
1 files changed, 36 insertions, 67 deletions
diff --git a/ldso/util/ldconfig.c b/ldso/util/ldconfig.c
index f90cb073f..e971f5aa1 100644
--- a/ldso/util/ldconfig.c
+++ b/ldso/util/ldconfig.c
@@ -33,11 +33,12 @@
#include <dirent.h>
#include <unistd.h>
#include <link.h>
-#include <sys/stat.h>
#include <fcntl.h>
-#include <sys/mman.h>
+#include <err.h>
#include <errno.h>
-#include <ldso.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <ld_elf.h>
#include "readsoname.h"
struct exec
@@ -66,10 +67,6 @@ struct exec
#define QMAGIC 0314
/* Code indicating core file. */
#define CMAGIC 0421
-#ifdef __GNUC__
-void warn(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
-void error(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
-#endif
char *___strtok = NULL;
@@ -100,46 +97,11 @@ void cache_print(void);
void cache_dolib(const char *dir, const char *so, int libtype);
void cache_write(void);
-void warn(const char *fmt, ...)
-{
- va_list ap;
-
- if (verbose < 0)
- return;
-
- fflush(stdout); /* don't mix output and error messages */
- fprintf(stderr, "%s: warning: ", prog);
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\n");
-
- return;
-}
-
-void error(const char *fmt, ...)
-{
- va_list ap;
-
- fflush(stdout); /* don't mix output and error messages */
- fprintf(stderr, "%s: ", prog);
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\n");
-
- exit(EXIT_FATAL);
-}
-
void *xmalloc(size_t size)
{
void *ptr;
if ((ptr = malloc(size)) == NULL)
- error("out of memory");
+ err(EXIT_FATAL,"out of memory");
return ptr;
}
@@ -147,7 +109,7 @@ char *xstrdup(const char *str)
{
char *ptr;
if ((ptr = strdup(str)) == NULL)
- error("out of memory");
+ err(EXIT_FATAL,"out of memory");
return ptr;
}
@@ -470,8 +432,10 @@ void scan_dir(const char *name)
{
if (!lp->islink)
link_shlib(name, lp->name, lp->so);
+#ifdef USE_CACHE
if (!nocache)
cache_dolib(name, lp->so, lp->libtype);
+#endif
}
/* always try to clean up after ourselves */
@@ -520,11 +484,10 @@ char *get_extpath(void)
void usage(void)
{
fprintf(stderr,
- "ldconfig - update shared library symlinks\n"
- "\n"
- "usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
+ "ldconfig - updates symlinks for shared libraries\n\n"
+ "Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
" ldconfig -l [-Dv] lib ...\n"
- " ldconfig -p\n"
+ " ldconfig -p\n\nOptions:\n"
"\t-D:\t\tdebug mode, don't update links\n"
"\t-v:\t\tverbose mode, print things as we go\n"
"\t-q:\t\tquiet mode, don't print warnings\n"
@@ -537,9 +500,7 @@ void usage(void)
"\t-C cache:\tuse cache instead of %s\n"
"\t-r root :\tfirst, do a chroot to the indicated directory\n"
"\tdir ... :\tdirectories to process\n"
- "\tlib ... :\tlibraries to link\n"
- "\n"
- "Copyright 1994-2000 David Engel and Mitch D'Souza\n",
+ "\tlib ... :\tlibraries to link\n\n",
LDSO_CONF, LDSO_CACHE
);
exit(EXIT_FATAL);
@@ -610,9 +571,9 @@ int main(int argc, char **argv)
if (chroot_dir && *chroot_dir) {
if (chroot(chroot_dir) < 0)
- error("couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
+ err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
if (chdir("/") < 0)
- error("couldn't chdir to / (%s)", strerror(errno));
+ err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
}
/* allow me to introduce myself, hi, my name is ... */
@@ -622,7 +583,11 @@ int main(int argc, char **argv)
if (printcache)
{
/* print the cache -- don't you trust me? */
+#ifdef USE_CACHE
cache_print();
+#else
+ warnx("Cache support disabled\n");
+#endif
exit(EXIT_OK);
}
else if (libmode)
@@ -649,7 +614,7 @@ int main(int argc, char **argv)
/* we'd better do a little bit of checking */
if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
- error("%s%s%s is not a shared library", dir,
+ err(EXIT_FATAL,"%s%s%s is not a shared library", dir,
(*dir && strcmp(dir, "/")) ? "/" : "", cp);
/* so far, so good, maybe he knows what he's doing */
@@ -687,13 +652,16 @@ int main(int argc, char **argv)
scan_dir(UCLIBC_TARGET_PREFIX "/lib");
}
+#ifdef USE_CACHE
if (!nocache)
cache_write();
+#endif
}
exit(EXIT_OK);
}
+#ifdef USE_CACHE
typedef struct liblist
{
int flags;
@@ -761,13 +729,13 @@ void cache_write(void)
sprintf(tempfile, "%s~", cachefile);
if (unlink(tempfile) && errno != ENOENT)
- error("can't unlink %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't unlink %s (%s)", tempfile, strerror(errno));
if ((cachefd = creat(tempfile, 0644)) < 0)
- error("can't create %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't create %s (%s)", tempfile, strerror(errno));
if (write(cachefd, &magic, sizeof (header_t)) != sizeof (header_t))
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
@@ -777,27 +745,27 @@ void cache_write(void)
stroffset += strlen(cur_lib->libname) + 1;
if (write(cachefd, cur_lib, sizeof (libentry_t)) !=
sizeof (libentry_t))
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
if (write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
!= strlen(cur_lib->soname) + 1)
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
if (write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
!= strlen(cur_lib->libname) + 1)
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
if (close(cachefd))
- error("can't close %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't close %s (%s)", tempfile, strerror(errno));
if (chmod(tempfile, 0644))
- error("can't chmod %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't chmod %s (%s)", tempfile, strerror(errno));
if (rename(tempfile, cachefile))
- error("can't rename %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't rename %s (%s)", tempfile, strerror(errno));
}
void cache_print(void)
@@ -810,16 +778,16 @@ void cache_print(void)
libentry_t *libent;
if (stat(cachefile, &st) || (fd = open(cachefile, O_RDONLY))<0)
- error("can't read %s (%s)", cachefile, strerror(errno));
+ err(EXIT_FATAL,"can't read %s (%s)", cachefile, strerror(errno));
if ((c = mmap(0,st.st_size, PROT_READ, MAP_SHARED ,fd, 0)) == (caddr_t)-1)
- error("can't map %s (%s)", cachefile, strerror(errno));
+ err(EXIT_FATAL,"can't map %s (%s)", cachefile, strerror(errno));
close(fd);
if (memcmp(((header_t *)c)->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN))
- error("%s cache corrupt", cachefile);
+ err(EXIT_FATAL,"%s cache corrupt", cachefile);
if (memcmp(((header_t *)c)->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN))
- error("wrong cache version - expected %s", LDSO_CACHE_VER);
+ err(EXIT_FATAL,"wrong cache version - expected %s", LDSO_CACHE_VER);
header = (header_t *)c;
libent = (libentry_t *)(c + sizeof (header_t));
@@ -853,4 +821,5 @@ void cache_print(void)
munmap (c,st.st_size);
}
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 00:31:22 +0000