summaryrefslogtreecommitdiff
path: root/ldso/util/ldconfig.c
diff options
context:
space:
mode:
Diffstat (limited to 'ldso/util/ldconfig.c')
-rw-r--r--ldso/util/ldconfig.c901
1 files changed, 0 insertions, 901 deletions
diff --git a/ldso/util/ldconfig.c b/ldso/util/ldconfig.c
deleted file mode 100644
index 0b6890ff1..000000000
--- a/ldso/util/ldconfig.c
+++ /dev/null
@@ -1,901 +0,0 @@
-/*
- * ldconfig - update shared library symlinks
- *
- * usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...
- * ldconfig -l [-Dv] lib ...
- * ldconfig -p
- * -D: debug mode, don't update links
- * -v: verbose mode, print things as we go
- * -q: quiet mode, don't print warnings
- * -n: don't process standard directories
- * -N: don't update the library cache
- * -X: don't update the library links
- * -l: library mode, manually link libraries
- * -p: print the current library cache
- * -f conf: use conf instead of /etc/ld.so.conf
- * -C cache: use cache instead of /etc/ld.so.cache
- * -r root: first, do a chroot to the indicated directory
- * dir ...: directories to process
- * lib ...: libraries to link
- *
- * Copyright 1994-2000 David Engel and Mitch D'Souza
- *
- * This program may be used for any purpose as long as this
- * copyright notice is kept.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-#include <getopt.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <link.h>
-#include <fcntl.h>
-//#include <err.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <ld_elf.h>
-#include "readsoname.h"
-
-struct exec
-{
- unsigned long a_info; /* Use macros N_MAGIC, etc for access */
- unsigned a_text; /* length of text, in bytes */
- unsigned a_data; /* length of data, in bytes */
- unsigned a_bss; /* length of uninitialized data area for file, in bytes */
- unsigned a_syms; /* length of symbol table data in file, in bytes */
- unsigned a_entry; /* start address */
- unsigned a_trsize; /* length of relocation info for text, in bytes */
- unsigned a_drsize; /* length of relocation info for data, in bytes */
-};
-
-#if !defined (N_MAGIC)
-#define N_MAGIC(exec) ((exec).a_info & 0xffff)
-#endif
-/* Code indicating object file or impure executable. */
-#define OMAGIC 0407
-/* Code indicating pure executable. */
-#define NMAGIC 0410
-/* Code indicating demand-paged executable. */
-#define ZMAGIC 0413
-/* This indicates a demand-paged executable with the header in the text.
- The first page is unmapped to help trap NULL pointer references */
-#define QMAGIC 0314
-/* Code indicating core file. */
-#define CMAGIC 0421
-
-char *___strtok = NULL;
-
-/* For SunOS */
-#ifndef PATH_MAX
-#include <limits.h>
-#define PATH_MAX _POSIX_PATH_MAX
-#endif
-
-/* For SunOS */
-#ifndef N_MAGIC
-#define N_MAGIC(exec) ((exec).a_magic & 0xffff)
-#endif
-
-#define EXIT_OK 0
-#define EXIT_FATAL 128
-
-char *prog = NULL;
-int debug = 0; /* debug mode */
-int verbose = 0; /* verbose mode */
-int libmode = 0; /* library mode */
-int nocache = 0; /* don't build cache */
-int nolinks = 0; /* don't update links */
-
-char *conffile = LDSO_CONF; /* default conf file */
-char *cachefile = LDSO_CACHE; /* default cache file */
-void cache_print(void);
-void cache_dolib(const char *dir, const char *so, int libtype);
-void cache_write(void);
-
-/* These two are used internally -- you shouldn't need to use them */
-static void verror_msg(const char *s, va_list p)
-{
- fflush(stdout);
- fprintf(stderr, "%s: ", prog);
- vfprintf(stderr, s, p);
-}
-
-extern void warnx(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- verror_msg(s, p);
- va_end(p);
- fprintf(stderr, "\n");
-}
-
-extern void err(int errnum, const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- verror_msg(s, p);
- va_end(p);
- fprintf(stderr, "\n");
- exit(errnum);
-}
-
-static void vperror_msg(const char *s, va_list p)
-{
- int err = errno;
-
- if (s == 0)
- s = "";
- verror_msg(s, p);
- if (*s)
- s = ": ";
- fprintf(stderr, "%s%s\n", s, strerror(err));
-}
-
-extern void warn(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- vperror_msg(s, p);
- va_end(p);
-}
-
-void *xmalloc(size_t size)
-{
- void *ptr;
- if ((ptr = malloc(size)) == NULL)
- err(EXIT_FATAL,"out of memory");
- return ptr;
-}
-
-char *xstrdup(const char *str)
-{
- char *ptr;
- if ((ptr = strdup(str)) == NULL)
- err(EXIT_FATAL,"out of memory");
- return ptr;
-}
-
-/* If shared library, return a malloced copy of the soname and set the
- type, else return NULL.
-
- expected_type should be either LIB_ANY or one of the following:-
- LIB_DLL
- LIB_ELF
- LIB_ELF_LIBC5
- LIB_ELF_LIBC6
-
- If the lib is ELF and we can not deduce the type the type will
- be set based on expected_type.
-
- If the expected, actual/deduced types missmatch we display a warning
- and use the actual/deduced type.
-*/
-char *is_shlib(const char *dir, const char *name, int *type,
- int *islink, int expected_type)
-{
- char *good = NULL;
- char *cp, *cp2;
- FILE *file;
- struct exec exec;
- ElfW(Ehdr) *elf_hdr;
- struct stat statbuf;
- char buff[4096];
-
- /* see if name is of the form libZ.so* */
- if ((strncmp(name, "lib", 3) == 0 || strncmp(name, "ld-", 3) == 0) && \
- name[strlen(name)-1] != '~' && (cp = strstr(name, ".so")))
- {
- /* find the start of the Vminor part, if any */
- if (cp[3] == '.' && (cp2 = strchr(cp + 4, '.')))
- cp = cp2;
- else
- cp = cp + strlen(cp);
-
- /* construct the full path name */
- sprintf(buff, "%s%s%s", dir, (*dir && strcmp(dir, "/")) ?
- "/" : "", name);
-
- /* first, make sure it's a regular file */
- if (lstat(buff, &statbuf))
- warn("skipping %s", buff);
- else if (!S_ISREG(statbuf.st_mode) && !S_ISLNK(statbuf.st_mode))
- warnx("%s is not a regular file or symlink, skipping", buff);
- else
- {
- /* is it a regular file or a symlink */
- *islink = S_ISLNK(statbuf.st_mode);
-
- /* then try opening it */
- if (!(file = fopen(buff, "rb")))
- warn("skipping %s", buff);
- else
- {
- /* now make sure it's a shared library */
- if (fread(&exec, sizeof exec, 1, file) < 1)
- warnx("can't read header from %s, skipping", buff);
- else if (N_MAGIC(exec) != ZMAGIC && N_MAGIC(exec) != QMAGIC)
- {
- elf_hdr = (ElfW(Ehdr) *) &exec;
- if (elf_hdr->e_ident[0] != 0x7f ||
- strncmp(&elf_hdr->e_ident[1], "ELF",3) != 0)
- {
- /* silently ignore linker scripts */
- if (strncmp((char *)&exec, "/* GNU ld", 9) != 0)
- warnx("%s is not a shared library, skipping", buff);
- }
- else
- {
- /* always call readsoname to update type */
- if(expected_type == LIB_DLL) {
- warnx("%s is not an a.out library, its ELF!\n", buff);
- expected_type=LIB_ANY;
- }
- *type = LIB_ELF;
- good = readsoname(buff, file, expected_type, type,
- elf_hdr->e_ident[EI_CLASS]);
- if (good == NULL || *islink)
- {
- if (good != NULL)
- free(good);
- good = xstrdup(name);
- }
- else
- {
- /* if the soname does not match the filename,
- issue a warning, but only in debug mode. */
- int len = strlen(good);
- if (debug && (strncmp(good, name, len) != 0 ||
- (name[len] != '\0' && name[len] != '.')))
- warnx("%s has inconsistent soname (%s)", buff, good);
- }
- }
- }
- else
- {
- if (*islink)
- good = xstrdup(name);
- else
- {
- good = xmalloc(cp - name + 1);
- strncpy(good, name, cp - name);
- good[cp - name] = '\0';
- }
- if(expected_type != LIB_ANY && expected_type != LIB_DLL)
- {
- warnx("%s is not an ELF library, its an a.out DLL!", buff);
- expected_type=LIB_ANY;
- }
-
- *type = LIB_DLL;
- }
- fclose(file);
- }
- }
- }
-
- return good;
-}
-
-/* update the symlink to new library */
-void link_shlib(const char *dir, const char *file, const char *so)
-{
- int change = 1;
- char libname[4096];
- char linkname[4096];
- struct stat libstat;
- struct stat linkstat;
-
- /* construct the full path names */
- sprintf(libname, "%s/%s", dir, file);
- sprintf(linkname, "%s/%s", dir, so);
-
- /* see if a link already exists */
- if (!stat(linkname, &linkstat))
- {
- /* now see if it's the one we want */
- if (stat(libname, &libstat))
- warn("can't stat %s", libname);
- else if (libstat.st_dev == linkstat.st_dev &&
- libstat.st_ino == linkstat.st_ino)
- change = 0;
- }
-
- /* then update the link, if required */
- if (change > 0 && !nolinks)
- {
- if (!lstat(linkname, &linkstat))
- {
- if (!S_ISLNK(linkstat.st_mode))
- {
- warnx("%s is not a symlink", linkname);
- change = -1;
- }
- else if (remove(linkname))
- {
- warn("can't unlink %s", linkname);
- change = -1;
- }
- }
- if (change > 0)
- {
- if (symlink(file, linkname))
- {
- warn("can't link %s to %s", linkname, file);
- change = -1;
- }
- }
- }
-
- /* some people like to know what we're doing */
- if (verbose > 0)
- printf("\t%s => %s%s\n", so, file,
- change < 0 ? " (SKIPPED)" :
- (change > 0 ? " (changed)" : ""));
-
- return;
-}
-
-/* figure out which library is greater */
-int libcmp(char *p1, char *p2)
-{
- while (*p1)
- {
- if (isdigit(*p1) && isdigit(*p2))
- {
- /* must compare this numerically */
- int v1, v2;
- v1 = strtoul(p1, &p1, 10);
- v2 = strtoul(p2, &p2, 10);
- if (v1 != v2)
- return v1 - v2;
- }
- else if (isdigit(*p1) && !isdigit(*p2))
- return 1;
- else if (!isdigit(*p1) && isdigit(*p2))
- return -1;
- else if (*p1 != *p2)
- return *p1 - *p2;
- else
- p1++, p2++;
- }
-
- return *p1 - *p2;
-}
-
-struct lib
-{
- char *so; /* soname of a library */
- char *name; /* name of a library */
- int libtype; /* type of a library */
- int islink; /* is it a symlink */
- struct lib *next; /* next library in list */
-};
-
-/* update all shared library links in a directory */
-void scan_dir(const char *rawname)
-{
- DIR *dir;
- const char *name;
- struct dirent *ent;
- char *so, *path, *path_n;
- struct lib *lp, *libs = NULL;
- int i, libtype, islink, expected_type = LIB_ANY;
-
- /* We need a writable copy of this string */
- path = strdup(rawname);
- if (!path) {
- err(EXIT_FATAL, "Out of memory!\n");
- }
- /* Eliminate all double //s */
- path_n=path;
- while((path_n=strstr(path_n, "//"))) {
- i = strlen(path_n);
- memmove(path_n, path_n+1, i-1);
- *(path_n + i - 1)='\0';
- }
- name = path;
-
-#if 0
- char *t;
- /* Check for an embedded expected type */
- t=strrchr(name, '=');
- if( t )
- {
- *t++ = '\0'; /* Skip = char */
- if(strcasecmp(t, "libc4") == 0)
- {
- expected_type = LIB_DLL;
- }
- else
- {
- if(strcasecmp(t, "libc5") == 0)
- {
- expected_type = LIB_ELF_LIBC5;
- }
- else
- {
- if(strcasecmp(t, "libc6") == 0)
- {
- expected_type = LIB_ELF_LIBC6;
- }
- else
- {
- if(strcasecmp(t, "libc0") == 0)
- {
- expected_type = LIB_ELF_LIBC0;
- }
- else
- {
- warnx("Unknown type field '%s' for dir '%s' - ignored\n", t, name);
- expected_type = LIB_ANY;
- }
- }
- }
- }
- }
-#endif
-
- /* let 'em know what's going on */
- if (verbose > 0)
- printf("%s:\n", name);
-
- /* if we can't open it, we can't do anything */
- if ((dir = opendir(name)) == NULL)
- {
- warn("skipping %s", name);
- free(path);
- return;
- }
-
- /* yes, we have to look at every single file */
- while ((ent = readdir(dir)) != NULL)
- {
- /* if it's not a shared library, don't bother */
- if ((so = is_shlib(name, ent->d_name, &libtype, &islink, expected_type)) == NULL)
- continue;
-
- /* have we already seen one with the same so name? */
- for (lp = libs; lp; lp = lp->next)
- {
- if (strcmp(so, lp->so) == 0)
- {
- /* we have, which one do we want to use? */
- if ((!islink && lp->islink) ||
- (islink == lp->islink &&
- libcmp(ent->d_name, lp->name) > 0))
- {
- /* let's use the new one */
- free(lp->name);
- lp->name = xstrdup(ent->d_name);
- lp->libtype = libtype;
- lp->islink = islink;
- }
- break;
- }
- }
-
- /* congratulations, you're the first one we've seen */
- if (!lp)
- {
- lp = xmalloc(sizeof *lp);
- lp->so = xstrdup(so);
- lp->name = xstrdup(ent->d_name);
- lp->libtype = libtype;
- lp->islink = islink;
- lp->next = libs;
- libs = lp;
- }
-
- free(so);
- }
-
- /* don't need this any more */
- closedir(dir);
-
- /* now we have all the latest libs, update the links */
- for (lp = libs; lp; lp = lp->next)
- {
- 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 */
- while (libs)
- {
- lp = libs->next;
- free(libs->so);
- free(libs->name);
- free(libs);
- libs = lp;
- }
-
- free(path);
- return;
-}
-
-/* return the list of system-specific directories */
-char *get_extpath(void)
-{
- char *res = NULL, *cp;
- FILE *file;
- struct stat stat;
-
- if ((file = fopen(conffile, "r")) != NULL)
- {
- fstat(fileno(file), &stat);
- res = xmalloc(stat.st_size + 1);
- fread(res, 1, stat.st_size, file);
- fclose(file);
- res[stat.st_size] = '\0';
-
- /* convert comments fo spaces */
- for (cp = res; *cp; /*nada*/) {
- if (*cp == '#') {
- do
- *cp++ = ' ';
- while (*cp && *cp != '\n');
- } else {
- cp++;
- }
- }
- }
-
- return res;
-}
-
-#ifdef USE_CACHE
-typedef struct liblist
-{
- int flags;
- int sooffset;
- int liboffset;
- char *soname;
- char *libname;
- struct liblist *next;
-} liblist_t;
-
-static header_t magic = { LDSO_CACHE_MAGIC, LDSO_CACHE_VER, 0 };
-static liblist_t *lib_head = NULL;
-
-static int liblistcomp(liblist_t *x, liblist_t *y)
-{
- int res;
-
- if ((res = libcmp(x->soname, y->soname)) == 0)
- {
- res = libcmp(strrchr(x->libname, '/') + 1,
- strrchr(y->libname, '/') + 1);
- }
-
- return res;
-}
-
-void cache_dolib(const char *dir, const char *so, int libtype)
-{
- char fullpath[PATH_MAX];
- liblist_t *new_lib, *cur_lib;
-
- magic.nlibs++;
- sprintf(fullpath, "%s/%s", dir, so);
- new_lib = xmalloc(sizeof (liblist_t));
- new_lib->flags = libtype;
- new_lib->soname = xstrdup(so);
- new_lib->libname = xstrdup(fullpath);
-
- if (lib_head == NULL || liblistcomp(new_lib, lib_head) > 0)
- {
- new_lib->next = lib_head;
- lib_head = new_lib;
- }
- else
- {
- for (cur_lib = lib_head; cur_lib->next != NULL &&
- liblistcomp(new_lib, cur_lib->next) <= 0;
- cur_lib = cur_lib->next)
- /* nothing */;
- new_lib->next = cur_lib->next;
- cur_lib->next = new_lib;
- }
-}
-
-void cache_write(void)
-{
- int cachefd;
- int stroffset = 0;
- char tempfile[4096];
- liblist_t *cur_lib;
-
- if (!magic.nlibs)
- return;
-
- sprintf(tempfile, "%s~", cachefile);
-
- if (unlink(tempfile) && errno != ENOENT)
- err(EXIT_FATAL,"can't unlink %s (%s)", tempfile, strerror(errno));
-
- if ((cachefd = creat(tempfile, 0644)) < 0)
- err(EXIT_FATAL,"can't create %s (%s)", tempfile, strerror(errno));
-
- if (write(cachefd, &magic, sizeof (header_t)) != sizeof (header_t))
- err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
-
- for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
- {
- cur_lib->sooffset = stroffset;
- stroffset += strlen(cur_lib->soname) + 1;
- cur_lib->liboffset = stroffset;
- stroffset += strlen(cur_lib->libname) + 1;
- if (write(cachefd, cur_lib, sizeof (libentry_t)) !=
- sizeof (libentry_t))
- 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)
- 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)
- err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
- }
-
- if (close(cachefd))
- err(EXIT_FATAL,"can't close %s (%s)", tempfile, strerror(errno));
-
- if (chmod(tempfile, 0644))
- err(EXIT_FATAL,"can't chmod %s (%s)", tempfile, strerror(errno));
-
- if (rename(tempfile, cachefile))
- err(EXIT_FATAL,"can't rename %s (%s)", tempfile, strerror(errno));
-}
-
-void cache_print(void)
-{
- caddr_t c;
- struct stat st;
- int fd = 0;
- char *strs;
- header_t *header;
- libentry_t *libent;
-
- if (stat(cachefile, &st) || (fd = open(cachefile, O_RDONLY))<0)
- 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)
- 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))
- err(EXIT_FATAL,"%s cache corrupt", cachefile);
-
- if (memcmp(((header_t *)c)->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN))
- err(EXIT_FATAL,"wrong cache version - expected %s", LDSO_CACHE_VER);
-
- header = (header_t *)c;
- libent = (libentry_t *)(c + sizeof (header_t));
- strs = (char *)&libent[header->nlibs];
-
- printf("%d libs found in cache `%s' (version %s)\n",
- header->nlibs, cachefile, LDSO_CACHE_VER);
-
- for (fd = 0; fd < header->nlibs; fd++)
- {
- printf("\t%s ", strs + libent[fd].sooffset);
- switch (libent[fd].flags & ~LIB_ELF64)
- {
- case LIB_DLL:
- printf("(libc4)");
- break;
- case LIB_ELF:
- printf("(ELF%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
- break;
- case LIB_ELF_LIBC5:
- case LIB_ELF_LIBC6:
- printf("(libc%d%s)", (libent[fd].flags & ~LIB_ELF64) + 3,
- libent[fd].flags & LIB_ELF64 ? "/64" : "");
- break;
- default:
- printf("(unknown)");
- break;
- }
- printf(" => %s\n", strs + libent[fd].liboffset);
- }
-
- munmap (c,st.st_size);
-}
-#else
-void cache_print(void)
-{
- warnx("Cache support disabled\n");
-}
-#endif
-
-void usage(void)
-{
- fprintf(stderr,
- "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\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"
- "\t-n:\t\tdon't process standard directories\n"
- "\t-N:\t\tdon't update the library cache\n"
- "\t-X:\t\tdon't update the library links\n"
- "\t-l:\t\tlibrary mode, manually link libraries\n"
- "\t-p:\t\tprint the current library cache\n"
- "\t-f conf :\tuse conf instead of %s\n"
- "\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",
- LDSO_CONF, LDSO_CACHE
- );
- exit(EXIT_FATAL);
-}
-
-#define DIR_SEP ":, \t\n"
-int main(int argc, char **argv)
-{
- int i, c;
- int nodefault = 0;
- int printcache = 0;
- char *cp, *dir, *so;
- char *extpath;
- int libtype, islink;
- char *chroot_dir = NULL;
-
- prog = argv[0];
- opterr = 0;
-
- while ((c = getopt(argc, argv, "DvqnNXlpf:C:r:")) != EOF)
- switch (c)
- {
- case 'D':
- debug = 1; /* debug mode */
- nocache = 1;
- nolinks = 1;
- verbose = 1;
- break;
- case 'v':
- verbose = 1; /* verbose mode */
- break;
- case 'q':
- if (verbose <= 0)
- verbose = -1; /* quiet mode */
- break;
- case 'n':
- nodefault = 1; /* no default dirs */
- nocache = 1;
- break;
- case 'N':
- nocache = 1; /* don't build cache */
- break;
- case 'X':
- nolinks = 1; /* don't update links */
- break;
- case 'l':
- libmode = 1; /* library mode */
- break;
- case 'p':
- printcache = 1; /* print cache */
- break;
- case 'f':
- conffile = optarg; /* alternate conf file */
- break;
- case 'C':
- cachefile = optarg; /* alternate cache file */
- break;
- case 'r':
- chroot_dir = optarg;
- break;
- default:
- usage();
- break;
-
- /* THE REST OF THESE ARE UNDOCUMENTED AND MAY BE REMOVED
- IN FUTURE VERSIONS. */
- }
-
- if (chroot_dir && *chroot_dir) {
- if (chroot(chroot_dir) < 0)
- err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
- if (chdir("/") < 0)
- err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
- }
-
- /* allow me to introduce myself, hi, my name is ... */
- if (verbose > 0)
- printf("%s: uClibc version\n", argv[0]);
-
- if (printcache)
- {
- /* print the cache -- don't you trust me? */
- cache_print();
- exit(EXIT_OK);
- }
- else if (libmode)
- {
- /* so you want to do things manually, eh? */
-
- /* ok, if you're so smart, which libraries do we link? */
- for (i = optind; i < argc; i++)
- {
- /* split into directory and file parts */
- if (!(cp = strrchr(argv[i], '/')))
- {
- dir = "."; /* no dir, only a filename */
- cp = argv[i];
- }
- else
- {
- if (cp == argv[i])
- dir = "/"; /* file in root directory */
- else
- dir = argv[i];
- *cp++ = '\0'; /* neither of the above */
- }
-
- /* we'd better do a little bit of checking */
- if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
- 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 */
- link_shlib(dir, cp, so);
- }
- }
- else
- {
- /* the lazy bum want's us to do all the work for him */
-
- /* don't cache dirs on the command line */
- int nocache_save = nocache;
- nocache = 1;
-
- /* OK, which directories should we do? */
- for (i = optind; i < argc; i++)
- scan_dir(argv[i]);
-
- /* restore the desired caching state */
- nocache = nocache_save;
-
- /* look ma, no defaults */
- if (!nodefault)
- {
- /* I guess the defaults aren't good enough */
- if ((extpath = get_extpath()))
- {
- for (cp = strtok(extpath, DIR_SEP); cp;
- cp = strtok(NULL, DIR_SEP))
- scan_dir(cp);
- free(extpath);
- }
-
- scan_dir(UCLIBC_RUNTIME_PREFIX "/usr/X11R6/lib");
- scan_dir(UCLIBC_RUNTIME_PREFIX "/usr/lib");
- scan_dir(UCLIBC_RUNTIME_PREFIX "/lib");
- }
-
-#ifdef USE_CACHE
- if (!nocache)
- cache_write();
-#endif
- }
-
- exit(EXIT_OK);
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-23 15:33:15 +0000