[PATCH 07/20] app: Introduce example application
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Mar 6 04:29:36 EST 2013
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
apps/Kconfig | 3 +
apps/Makefile | 5 ++
apps/example/Makefile | 14 +++
apps/example/example.h | 7 ++
apps/example/list.c | 98 ++++++++++++++++++++
apps/example/ls.c | 127 ++++++++++++++++++++++++++
apps/example/main.c | 231 ++++++++++++++++++++++++++++++++++++++++++++++++
apps/example/setjmp.c | 24 +++++
8 files changed, 509 insertions(+)
create mode 100644 apps/example/Makefile
create mode 100644 apps/example/example.h
create mode 100644 apps/example/list.c
create mode 100644 apps/example/ls.c
create mode 100644 apps/example/main.c
create mode 100644 apps/example/setjmp.c
diff --git a/apps/Kconfig b/apps/Kconfig
index 4805c50..324e14d 100644
--- a/apps/Kconfig
+++ b/apps/Kconfig
@@ -37,4 +37,7 @@ config APP_FILE_MAX
endmenu
+config APP_EXAMPLE
+ bool "example"
+
endif
diff --git a/apps/Makefile b/apps/Makefile
index 28efb0d..7f609e7 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -5,6 +5,8 @@ export APP_CPPFLAGS
apps-$(CONFIG_APP_EXAMPLE) += example
+apps-$(CONFIG_APP_EXAMPLE) += example
+
$(obj)/application: $(apps-lds) $(apps-y)
APP_CPPFLAGS += -fdata-sections -ffunction-sections
@@ -20,3 +22,6 @@ obj-y += utils/
barebox-app-header += $(obj)/include/types.h
barebox-app-header += $(obj)/include/barebox/syscalls.h
+
+$(apps-y): $(barebox-app-header) $(barebox-app-common)
+ $(Q)$(MAKE) $(build)=apps/$@ apps/$@/$@.app
diff --git a/apps/example/Makefile b/apps/example/Makefile
new file mode 100644
index 0000000..22f8d68
--- /dev/null
+++ b/apps/example/Makefile
@@ -0,0 +1,14 @@
+targets := example.map
+
+# Make sure files are removed during clean
+extra-y += example.map
+
+app-y += main.o
+app-y += ls.o
+app-y += list.o
+app-y += setjmp.o
+app-final-y = example
+
+OBJCOPYFLAGS_example.app = -O binary
+LDFLAGS_apps := -Map $(obj)/example.map
+LDFLAGS_apps += -static --gc-sections
diff --git a/apps/example/example.h b/apps/example/example.h
new file mode 100644
index 0000000..34675b4
--- /dev/null
+++ b/apps/example/example.h
@@ -0,0 +1,7 @@
+
+#define LS_RECURSIVE 1
+#define LS_SHOWARG 2
+#define LS_COLUMN 4
+int ls(const char *path, ulong flags);
+void test_list(void);
+void test_setjmp(void);
diff --git a/apps/example/list.c b/apps/example/list.c
new file mode 100644
index 0000000..fd5662d
--- /dev/null
+++ b/apps/example/list.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * Under GPLv2 only
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <appinfo.h>
+#include <utils/list.h>
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+static LIST_HEAD(test);
+
+struct data {
+ char *name;
+ struct list_entry list;
+};
+
+struct data data[] = {
+ [0] = { .name = "data0", },
+ [1] = { .name = "data1", },
+ [2] = { .name = "data2", },
+ [3] = { .name = "data3", },
+};
+
+static void dump_list(void)
+{
+ struct list_entry *pos;
+ struct data *d;
+ int i;
+
+ i = 0;
+ list_for_each(pos, test) {
+ printf("data[%d].list = %p\n", i, pos);
+ i++;
+ }
+
+ i = 0;
+ list_for_each_entry(d, &test, list) {
+ printf("data[%d].name = %s\n", i, d->name);
+ printf("data[%d].list = %p\n", i, &d->list);
+ i++;
+ }
+}
+
+static void empty_list(void)
+{
+ struct data *d, *tmp;
+ int i;
+
+ i = 0;
+ list_for_each_entry_safe(d, tmp, &test, list) {
+ printf("data[%d].name = %s\n", i, d->name);
+ printf("data[%d].list = %p\n", i, &d->list);
+ list_del(&d->list);
+ i++;
+ }
+}
+
+void test_list(void)
+{
+ int i;
+
+ puts("------ list test ------\n");
+
+ puts("fill list\n");
+
+ for (i = 0; i < ARRAY_SIZE(data); i++) {
+ printf("data[%d].name = %s\n", i, data[i].name);
+ printf("data[%d].list = %p\n", i, &data[i].list);
+ list_add(&data[i].list, &test);
+ }
+
+ puts("dump list\n");
+ dump_list();
+ puts("remove entry 2\n");
+ list_del(&data[2].list);
+ puts("dump list\n");
+ dump_list();
+ puts("empty list\n");
+ empty_list();
+ puts("dump list\n");
+ dump_list();
+ printf("list is %s\n", list_empty(&test) ? "empty" : "filled");
+
+ puts("fill list tail\n");
+ for (i = 0; i < ARRAY_SIZE(data); i++) {
+ printf("data[%d].name = %s\n", i, data[i].name);
+ printf("data[%d].list = %p\n", i, &data[i].list);
+ list_add_tail(&data[i].list, &test);
+ }
+ puts("dump list\n");
+ dump_list();
+
+ puts("------ end ------\n\n");
+}
diff --git a/apps/example/ls.c b/apps/example/ls.c
new file mode 100644
index 0000000..bad0ccb
--- /dev/null
+++ b/apps/example/ls.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2007 Sascha Hauer <s.hauer at pengutronix.de>, Pengutronix
+ * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * Under GPLv2 only
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <limits.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "example.h"
+
+static char *mkmodestr(unsigned long mode, char *str)
+{
+ static const char *l = "xwr";
+ int mask = 1, i;
+ char c;
+
+ switch (mode & S_IFMT) {
+ case S_IFDIR: str[0] = 'd'; break;
+ case S_IFBLK: str[0] = 'b'; break;
+ case S_IFCHR: str[0] = 'c'; break;
+ case S_IFIFO: str[0] = 'f'; break;
+ case S_IFLNK: str[0] = 'l'; break;
+ case S_IFSOCK: str[0] = 's'; break;
+ case S_IFREG: str[0] = '-'; break;
+ default: str[0] = '?';
+ }
+
+ for(i = 0; i < 9; i++) {
+ c = l[i%3];
+ str[9-i] = (mode & mask)?c:'-';
+ mask = mask<<1;
+ }
+
+ if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
+ if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
+ if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
+ str[10] = '\0';
+ return str;
+}
+
+static void ls_one(const char *path, const char* fullname, struct stat *s)
+{
+ char modestr[11];
+ unsigned int namelen = strlen(path);
+
+ mkmodestr(s->st_mode, modestr);
+ printf("%s %10llu %*.*s", modestr, s->st_size, namelen, namelen, path);
+
+ if (S_ISLNK(s->st_mode)) {
+ char realname[PATH_MAX];
+
+ memset(realname, 0, PATH_MAX);
+
+ if (readlink(fullname, realname, PATH_MAX - 1) >= 0)
+ printf(" -> %s", realname);
+ }
+
+ puts("\n");
+}
+
+int ls(const char *path, ulong flags)
+{
+ DIR *dir;
+ struct dirent *d;
+ char tmp[PATH_MAX];
+ struct stat s;
+
+ if (lstat(path, &s))
+ return -1;
+
+ if (flags & LS_SHOWARG && s.st_mode & S_IFDIR)
+ printf("%s:\n", path);
+
+ if (!(s.st_mode & S_IFDIR)) {
+ ls_one(path, path, &s);
+ return 0;
+ }
+
+ dir = opendir(path);
+ if (!dir)
+ return -1;
+
+ while ((d = readdir(dir))) {
+ sprintf(tmp, "%s/%s", path, d->d_name);
+ if (!strlen(d->d_name))
+ break;
+ if (lstat(tmp, &s))
+ goto out;
+ ls_one(d->d_name, tmp, &s);
+ }
+
+ closedir(dir);
+
+ if (!(flags & LS_RECURSIVE))
+ return 0;
+
+ dir = opendir(path);
+ if (!dir)
+ return -ENOENT;
+
+ while ((d = readdir(dir))) {
+
+ if (!strcmp(d->d_name, "."))
+ continue;
+ if (!strcmp(d->d_name, ".."))
+ continue;
+ sprintf(tmp, "%s/%s", path, d->d_name);
+
+ if (lstat(tmp, &s))
+ goto out;
+ if (s.st_mode & S_IFDIR)
+ ls(tmp, flags);
+ }
+out:
+ closedir(dir);
+
+ return 0;
+}
diff --git a/apps/example/main.c b/apps/example/main.c
new file mode 100644
index 0000000..12fb7f0
--- /dev/null
+++ b/apps/example/main.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * Under GPLv2 only
+*/
+
+#include <stdio.h>
+#include <malloc.h>
+#include <appinfo.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sections.h>
+#include <sys/stat.h>
+
+#include "example.h"
+
+# define PUTHEX_LL(value) ({ unsigned long v = (unsigned long) (value); \
+ int i; unsigned char ch; \
+ for (i = 8; i--; ) {\
+ ch = ((v >> (i*4)) & 0xf);\
+ ch += (ch >= 10) ? 'a' - 10 : '0';\
+ putchar(ch); }})
+static void test_ls(void)
+{
+ puts(
+ "------ test 1 ------ \n"
+ "coverage:\n"
+ " - opendir/readdir/closedir\n"
+ " - lstat\n"
+ " - readlink\n"
+ "------ start ------ \n");
+
+ puts("ls -l /env/config\n");
+ ls("/env/config", 0);
+ puts("ls -l /dev\n");
+ ls("/dev", 0);
+ puts("ls -l /env\n");
+ ls("/env", 0);
+ puts("------ end ------\n\n");
+}
+
+static void print_ok_failed(int ret)
+{
+ if (ret)
+ printf("failed (%d)\n", ret);
+ else
+ puts(" => OK\n");
+}
+
+static void test_mkdir(void)
+{
+ int fd;
+ int ret;
+ char *test = "/test";
+ char *test_tmp = "/test/tmp";
+ char *readme_txt = "/test/readme.txt";
+ char *readme = "/test/readme";
+ char *txt = "test barebox app\n";
+
+ puts(
+ "------ test 2 ------ \n"
+ "coverage:\n"
+ " - mkdir/rmdir\n"
+ " - open/write\n"
+ " - symlink/unlink\n"
+ "------ start ------ \n");
+
+ printf("mkdir %s ", test);
+ ret = mkdir(test, 0666);
+ print_ok_failed(ret);
+ if (ret)
+ return;
+
+ printf("create %s ", readme_txt);
+ fd = open(readme_txt, O_CREAT | O_WRONLY);
+ if (fd >= 0) {
+ puts(" => OK\n");
+ ret = write(fd, txt, strlen(txt) + 1);
+ if (!ret)
+ printf("fprintf on fd=%d failer (%d)\n", fd, ret);
+ close(fd);
+ } else {
+ printf("failed (%d)\n", fd);
+ }
+
+ printf("ln -s %s %s ", readme_txt, readme);
+ ret = symlink(readme_txt, readme);
+ print_ok_failed(ret);
+
+ printf("mkdir %s ", test_tmp);
+ ret = mkdir(test_tmp, 0666);
+ print_ok_failed(ret);
+
+ printf("ls -l %s\n", test);
+ ls(test, 0);
+
+ if (!ret) {
+ printf("rmdir %s ", test_tmp);
+ ret = rmdir(test_tmp);
+ print_ok_failed(ret);
+ }
+
+ printf("unlink %s ", readme);
+ ret = unlink(readme);
+ print_ok_failed(ret);
+
+ printf("ls -l %s\n", test);
+ ls(test, 0);
+
+ puts("------ end ------\n\n");
+}
+
+static void test_printf(int argc, char **argv)
+{
+ int i;
+ char *test;
+
+ puts("hello world\n");
+ test = malloc(10);
+ puts("mallox of 10 => 0x");
+ PUTHEX_LL(test);
+ puts("\n");
+
+ puts("------ printf test ------\n");
+
+ for (i = 0; i < argc; i++)
+ printf("argv[%d] = %s\n", i, argv[i]);
+
+ printf("mallox of %d => %p\n", 10, test);
+ puts("------ end ------\n\n");
+}
+
+static void test_all(int argc, char **argv)
+{
+ test_printf(argc, argv);
+ test_ls();
+ test_mkdir();
+ test_list();
+ test_setjmp();
+}
+
+void usage(char *name)
+{
+ printf("%s: [-VplmLh]\n"
+ "-V dump app info\n"
+ "-p run printf test\n"
+ "-l run ls test\n"
+ "-m run mkdir test\n"
+ "-L run list test\n"
+ "-j run setjmp test\n"
+ "-h print help\n", name);
+}
+
+int main(int argc, char** argv)
+{
+ int i;
+ int opt;
+ bool do_test_printf = false;
+ bool do_test_ls = false;
+ bool do_test_mkdir = false;
+ bool do_test_list = false;
+ bool do_test_setjmp = false;
+ bool do_test_all = true;
+
+ for (i = 0; i < argc; i++) {
+ puts("argv[0x");
+ PUTHEX_LL(i);
+ puts("] = ");
+ puts(argv[i]);
+ puts("\n");
+ }
+
+ while ((opt = getopt(argc, argv, "VplmLhj")) > 0) {
+ switch (opt) {
+ case 'V':
+ print_appinfo();
+ break;
+ case 'p':
+ do_test_all = false;
+ do_test_printf = true;
+ break;
+ case 'l':
+ do_test_all = false;
+ do_test_ls = true;
+ break;
+ case 'm':
+ do_test_all = false;
+ do_test_mkdir = true;
+ break;
+ case 'L':
+ do_test_all = false;
+ do_test_list = true;
+ break;
+ case 'j':
+ do_test_all = false;
+ do_test_setjmp = true;
+ break;
+ case 'h':
+ usage(argv[0]);
+ return 0;
+ break;
+ default:
+ break;
+ }
+ }
+
+ puts("------ start ------\n\n");
+ if (do_test_all) {
+ test_all(argc, argv);
+ return 0;
+ }
+
+ if (do_test_printf)
+ test_printf(argc, argv);
+ if (do_test_ls)
+ test_ls();
+ if (do_test_ls)
+ test_mkdir();
+ if (do_test_list)
+ test_list();
+ if (do_test_setjmp)
+ test_setjmp();
+ puts("------ end ------\n\n");
+
+ return 0;
+}
+
+APP_LICENSE("GPL");
+APP_DESCRIPTION("barebox Application example");
+APP_AUTHOR("Jean-Chrristophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>");
diff --git a/apps/example/setjmp.c b/apps/example/setjmp.c
new file mode 100644
index 0000000..4dee83c
--- /dev/null
+++ b/apps/example/setjmp.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <setjmp.h>
+
+static jmp_buf buf;
+
+void second(void) {
+ printf("second\n");
+ longjmp(buf, 1);
+}
+
+void first(void) {
+ second();
+ printf("first not reach\n");
+}
+
+void test_setjmp(void)
+{
+ puts("------ setjmp/longjmp test ------\n");
+ if (!setjmp(buf))
+ first();
+ else
+ printf("main\n");
+ puts("------ end ------\n\n");
+}
--
1.7.10.4
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