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-rw-r--r--coreutils/printenv.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/coreutils/printenv.c b/coreutils/printenv.c
index 2531d5a23..19fa832c8 100644
--- a/coreutils/printenv.c
+++ b/coreutils/printenv.c
@@ -14,25 +14,20 @@ extern char **environ;
14int printenv_main(int argc, char **argv); 14int printenv_main(int argc, char **argv);
15int printenv_main(int argc, char **argv) 15int printenv_main(int argc, char **argv)
16{ 16{
17 int e = 0;
18
19 /* no variables specified, show whole env */ 17 /* no variables specified, show whole env */
20 if (argc == 1) 18 if (argc == 1) {
19 int e = 0;
21 while (environ[e]) 20 while (environ[e])
22 puts(environ[e++]); 21 puts(environ[e++]);
23 22 } else {
24 /* search for specified variables and print them out if found */ 23 /* search for specified variables and print them out if found */
25 else {
26 int i;
27 size_t l;
28 char *arg, *env; 24 char *arg, *env;
29 25
30 for (i=1; (arg = argv[i]); ++i) 26 while ((arg = *++argv) != NULL) {
31 for (; (env = environ[e]); ++e) { 27 env = getenv(arg);
32 l = strlen(arg); 28 if (env)
33 if (!strncmp(env, arg, l) && env[l] == '=') 29 puts(env);
34 puts(env + l + 1); 30 }
35 }
36 } 31 }
37 32
38 fflush_stdout_and_exit(0); 33 fflush_stdout_and_exit(0);