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authorEric Andersen <andersen@codepoet.org>2002-11-21 05:38:58 +0000
committerEric Andersen <andersen@codepoet.org>2002-11-21 05:38:58 +0000
commitac6d271cf95d6994c88ff8dcc096b98f33c50644 (patch)
tree5d7ca7984884ac7303aa6dcf36ba265dc6370779 /ldso/util/ldd.c
parente75a596ed9002cd24508e822b6e989ff05373334 (diff)
Act more like the GNU version. Accept multiple args. Accept/ignore
the "--" option since we always do that anyways. -Erik
Diffstat (limited to 'ldso/util/ldd.c')
-rw-r--r--ldso/util/ldd.c92
1 files changed, 62 insertions, 30 deletions
diff --git a/ldso/util/ldd.c b/ldso/util/ldd.c
index 29c520c60..951c839fb 100644
--- a/ldso/util/ldd.c
+++ b/ldso/util/ldd.c
@@ -282,10 +282,6 @@ static int add_library(Elf32_Ehdr* ehdr, Elf32_Dyn* dynamic, char *strtab, int i
if (!s || !strlen(s))
return 1;
- /* We add libc.so.0 elsewhere */
- if (strcmp(s, UCLIBC_LDSO)==0)
- return 1;
-
tmp = s;
while (*tmp) {
if (*tmp == '/')
@@ -293,6 +289,14 @@ static int add_library(Elf32_Ehdr* ehdr, Elf32_Dyn* dynamic, char *strtab, int i
tmp++;
}
+ /* We add libc.so.0 elsewhere */
+ if ((tmp=strrchr(interp, '/')) != NULL)
+ {
+ int len = strlen(interp_dir);
+ if (strcmp(s, interp+1+len)==0)
+ return 1;
+ }
+
for (cur = lib_list; cur; cur=cur->next) {
/* Check if this library is already in the list */
tmp1 = tmp2 = cur->name;
@@ -474,42 +478,70 @@ foo:
int main( int argc, char** argv)
{
+ int multi=0;
int got_em_all=1;
- char *filename = argv[1];
+ char *filename = NULL;
struct library *cur;
-
- if (!filename) {
- fprintf(stderr, "No filename specified.\n");
+ if (argc < 2) {
+ fprintf(stderr, "ldd: missing file arguments\n");
+ fprintf(stderr, "Try `ldd --help' for more information.\n");
exit(EXIT_FAILURE);
}
+ if (argc > 2) {
+ multi++;
+ }
- find_dependancies(filename);
-
- while(got_em_all) {
- got_em_all=0;
- /* Keep walking the list till everybody is resolved */
- for (cur = lib_list; cur; cur=cur->next) {
- if (cur->resolved == 0 && cur->path) {
- got_em_all=1;
- //printf("checking sub-depends for '%s\n", cur->path);
- find_dependancies(cur->path);
- cur->resolved = 1;
+ while (--argc > 0) {
+ ++argv;
+
+ if(strcmp(*argv, "--")==0) {
+ /* Ignore "--" */
+ continue;
+ }
+
+ if(strcmp(*argv, "--help")==0) {
+ fprintf(stderr, "Usage: ldd [OPTION]... FILE...\n");
+ fprintf(stderr, "\t--help\t\tprint this help and exit\n");
+ exit(EXIT_FAILURE);
+ }
+
+ filename=*argv;
+ if (!filename) {
+ fprintf(stderr, "No filename specified.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ find_dependancies(filename);
+
+ while(got_em_all) {
+ got_em_all=0;
+ /* Keep walking the list till everybody is resolved */
+ for (cur = lib_list; cur; cur=cur->next) {
+ if (cur->resolved == 0 && cur->path) {
+ got_em_all=1;
+ //printf("checking sub-depends for '%s\n", cur->path);
+ find_dependancies(cur->path);
+ cur->resolved = 1;
+ }
}
}
- }
-
- /* Print the list */
- got_em_all=0;
- for (cur = lib_list; cur; cur=cur->next) {
- got_em_all=1;
- printf("\t%s => %s\n", cur->name, cur->path);
+
+ /* Print the list */
+ got_em_all=0;
+ if (multi) {
+ printf("%s:\n", *argv);
+ }
+ for (cur = lib_list; cur; cur=cur->next) {
+ got_em_all=1;
+ printf("\t%s => %s\n", cur->name, cur->path);
+ }
+ if (interp_dir && got_em_all==1)
+ printf("\t%s => %s\n", interp, interp);
+ if (got_em_all==0)
+ printf("\tnot a dynamic executable\n");
}
- if (interp_dir && got_em_all==1)
- printf("\t%s => %s\n", interp, interp);
- if (got_em_all==0)
- printf("\tnot a dynamic executable\n");
return 0;
}