From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 4.mo4.mail-out.ovh.net ([178.32.98.131] helo=mo4.mail-out.ovh.net) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UDAjl-0000WM-Ka for barebox@lists.infradead.org; Wed, 06 Mar 2013 09:34:23 +0000 Received: from mail413.ha.ovh.net (gw6.ovh.net [213.251.189.206]) by mo4.mail-out.ovh.net (Postfix) with SMTP id 13E85104E77B for ; Wed, 6 Mar 2013 10:45:16 +0100 (CET) From: Jean-Christophe PLAGNIOL-VILLARD Date: Wed, 6 Mar 2013 10:29:36 +0100 Message-Id: <1362562189-17783-7-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <1362562189-17783-1-git-send-email-plagnioj@jcrosoft.com> References: <20130306092643.GF4401@game.jcrosoft.org> <1362562189-17783-1-git-send-email-plagnioj@jcrosoft.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 07/20] app: Introduce example application To: barebox@lists.infradead.org Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- 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 + * + * Under GPLv2 only +*/ + +#include +#include +#include +#include + +#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 , Pengutronix + * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD + * + * Under GPLv2 only + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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 + * + * Under GPLv2 only +*/ + +#include +#include +#include +#include +#include +#include +#include +#include + +#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 "); 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 +#include + +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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox