diff options
Diffstat (limited to 'www')
-rw-r--r-- | www/assets/res/css/todos.css | 20 | ||||
-rw-r--r-- | www/content/notes/_index.md | 5 | ||||
-rw-r--r-- | www/content/notes/cheat-sheet.md | 14 | ||||
-rw-r--r-- | www/content/notes/hurd.md (renamed from www/content/hurd/_index.md) | 105 | ||||
-rw-r--r-- | www/content/notes/hurd/todos.md (renamed from www/content/hurd/todos.md) | 14 | ||||
-rw-r--r-- | www/content/notes/todos.md (renamed from www/content/todos.md) | 2 | ||||
-rw-r--r-- | www/content/posts/_index.md (renamed from www/content/posts/_index.html) | 0 | ||||
-rw-r--r-- | www/content/posts/c-func-ext.md | 94 | ||||
-rw-r--r-- | www/layouts/_default/list.html | 11 | ||||
-rw-r--r-- | www/layouts/index.html | 21 | ||||
-rw-r--r-- | www/layouts/shortcodes/todo.html | 6 |
11 files changed, 184 insertions, 108 deletions
diff --git a/www/assets/res/css/todos.css b/www/assets/res/css/todos.css index e9a595d..7802812 100644 --- a/www/assets/res/css/todos.css +++ b/www/assets/res/css/todos.css @@ -1,14 +1,24 @@ .todo { - - &::before { + h3::before { font-family: monospace; } - &.working::before { + &.working h3::before { content: "* "; } - &.done::before { + &.done h3::before { content: "✓ "; } -}
\ No newline at end of file + + &.give-up { + &, a:link, a:visited { + color: grey; + } + + h3:before { + content: "orz ✖ "; + } + } +} + diff --git a/www/content/notes/_index.md b/www/content/notes/_index.md new file mode 100644 index 0000000..3c736ed --- /dev/null +++ b/www/content/notes/_index.md @@ -0,0 +1,5 @@ +--- +title: "Notes" +params: + recursive: true +--- diff --git a/www/content/notes/cheat-sheet.md b/www/content/notes/cheat-sheet.md new file mode 100644 index 0000000..efb3b35 --- /dev/null +++ b/www/content/notes/cheat-sheet.md @@ -0,0 +1,14 @@ +--- +title: "Cheat Sheet" +date: 2025-04-01T23:09:53+08:00 +lastmod: 2025-04-01T23:09:53+08:00 +--- + +Update GRUB after `grub` package is updated. Replace `/boot` with your mount +point of the EFI partition in `--efi-directory=/boot`. Replace `GRUB` with your +bootloader id in `--bootloader-id=GRUB`. + +```bash-session +grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB +grub-mkconfig -o /boot/grub/grub.cfg +``` diff --git a/www/content/hurd/_index.md b/www/content/notes/hurd.md index b4c727c..67b8df9 100644 --- a/www/content/hurd/_index.md +++ b/www/content/notes/hurd.md @@ -2,12 +2,11 @@ title: "Hurd" date: 2025-03-03T15:34:41+08:00 lastmod: 2025-03-03T23:28:46+08:00 -layout: single --- {{< mono >}} -[TODOS](/hurd/todos) +[TODOS](/notes/hurd/todos) {{< /mono >}} @@ -41,100 +40,48 @@ refs: ## *_MAX patch -TODO: Move to separate page. - -```c -#include <errno.h> -#include <stdlib.h> -#include <unistd.h> - -static inline char *xreadlink(const char *restrict path) { - char *buffer; - size_t allocated = 128; - ssize_t len; - - while (1) { - buffer = (char *)malloc(allocated); - if (!buffer) { - return NULL; - } - len = readlink(path, buffer, allocated); - if (len < (ssize_t)allocated) { - return buffer; - } - free(buffer); - if (len >= (ssize_t)allocated) { - allocated *= 2; - continue; - } - return NULL; - } -} - -static inline char *xgethostname() { - long max_host_name; - char *buffer; - - max_host_name = sysconf(_SC_HOST_NAME_MAX); - buffer = malloc(max_host_name + 1); - - if (gethostname(buffer, max_host_name + 1)) { - free(buffer); - return NULL; - } - - buffer[max_host_name] = '\0'; - return buffer; -} - -static inline char *xgetcwd() { - char *buffer; - size_t allocated = 128; - - while (1) { - buffer = (char *)malloc(allocated); - if (!buffer) { - return NULL; - } - getcwd(buffer, allocated); - if (buffer) - return buffer; - free(buffer); - if (errno == ERANGE) { - allocated *= 2; - continue; - } - return NULL; - } -} -``` +See [this](posts/c-func-ext.md) ## git repos +Clone all at once: + +```sh +# glibc is too big, so not clone here. +for repo in hurd gnumach mig web; do + if [ ! -d $repo ]; then + git clone "https://crupest.life/git/hurd/$repo.git" + pushd $repo + git remote add upstream "https://git.savannah.gnu.org/git/hurd/$repo.git" + popd + fi +done +``` + {{< link-group >}} hurd -cru: <https://crupest.life/git/cru-hurd/hurd.git> +cru: <https://crupest.life/git/hurd/hurd.git> upstream: <https://git.savannah.gnu.org/git/hurd/hurd.git> debian: <https://salsa.debian.org/hurd-team/hurd> {{< /link-group >}} {{< link-group >}} gnumach -cru: <https://crupest.life/git/cru-hurd/gnumach.git> +cru: <https://crupest.life/git/hurd/gnumach.git> upstream: <https://git.savannah.gnu.org/git/hurd/gnumach.git> debian: <https://salsa.debian.org/hurd-team/gnumach> {{< /link-group >}} {{< link-group >}} mig -cru: <https://crupest.life/git/cru-hurd/mig.git> +cru: <https://crupest.life/git/hurd/mig.git> upstream: <https://git.savannah.gnu.org/git/hurd/mig.git> debian: <https://salsa.debian.org/hurd-team/mig> {{< /link-group >}} {{< link-group >}} glibc -cru: <https://crupest.life/git/cru-hurd/glibc.git> +cru: <https://crupest.life/git/hurd/glibc.git> upstream: <git://sourceware.org/git/glibc.git> debian: <https://salsa.debian.org/glibc-team/glibc> mirror: <https://mirrors.tuna.tsinghua.edu.cn/git/glibc.git> @@ -142,7 +89,7 @@ mirror: <https://mirrors.tuna.tsinghua.edu.cn/git/glibc.git> {{< link-group >}} web -cru: <https://crupest.life/git/cru-hurd/web.git> +cru: <https://crupest.life/git/hurd/web.git> upstream: <https://git.savannah.gnu.org/git/hurd/web.git> {{< /link-group >}} @@ -151,14 +98,18 @@ upstream: <https://git.savannah.gnu.org/git/hurd/web.git> Start qemu ```sh -qemu-system-x86_64 -enable-kvm -m 4G -net nic -net user,hostfwd=tcp::3222-:22 -vga vmware -drive cache=writeback,file=[...] +qemu-system-x86_64 -enable-kvm -m 4G \ + -net nic -net user,hostfwd=tcp::3222-:22 \ + -vga vmware -drive cache=writeback,file=[...] ``` Configure/Setup network ```sh -settrans -fgap /servers/socket/2 /hurd/pfinet -i /dev/eth0 -a 10.0.2.15 -g 10.0.2.2 -m 255.255.255.0 -fsysopts /servers/socket/2 /hurd/pfinet -i /dev/eth0 -a 10.0.2.15 -g 10.0.2.2 -m 255.255.255.0 +settrans -fgap /servers/socket/2 /hurd/pfinet \ + -i /dev/eth0 -a 10.0.2.15 -g 10.0.2.2 -m 255.255.255.0 +fsysopts /servers/socket/2 /hurd/pfinet \ + -i /dev/eth0 -a 10.0.2.15 -g 10.0.2.2 -m 255.255.255.0 fsysopts /server/socket/2 -a 10.0.2.15 -g 10.0.2.2 -m 255.255.255.0 ``` diff --git a/www/content/hurd/todos.md b/www/content/notes/hurd/todos.md index f8273fb..cd93f01 100644 --- a/www/content/hurd/todos.md +++ b/www/content/notes/hurd/todos.md @@ -9,7 +9,7 @@ params: ## Porting -### {{< todo name=pam state=working >}} +{{< todo name=pam state=give-up >}} {{< link-group >}} git @@ -23,7 +23,9 @@ mail <https://lists.debian.org/debian-hurd/2025/02/msg00018.html> {{< /link-group >}} -### {{< todo name=abseil state=working >}} +{{< /todo >}} + +{{< todo name=abseil state=working >}} {{< link-group >}} git @@ -38,7 +40,9 @@ mail <https://lists.debian.org/debian-hurd/2025/02/msg00035.html> {{< /link-group >}} -### {{< todo name=libgav1 state=done >}} +{{< /todo >}} + +{{< todo name=libgav1 state=done >}} {{< link-group >}} git @@ -52,3 +56,7 @@ misc mail: <https://lists.debian.org/debian-hurd/2025/02/msg00016.html> gerrit: <https://chromium-review.googlesource.com/c/codecs/libgav1/+/6239812> {{< /link-group >}} + +{{< /todo >}} + + diff --git a/www/content/todos.md b/www/content/notes/todos.md index a790e24..1625362 100644 --- a/www/content/todos.md +++ b/www/content/notes/todos.md @@ -4,4 +4,4 @@ date: 2025-03-03T15:34:53+08:00 lastmod: 2025-03-03T23:28:46+08:00 --- -[Hurd](/hurd/todos) +[Hurd](/notes/hurd/todos) diff --git a/www/content/posts/_index.html b/www/content/posts/_index.md index 76fa783..76fa783 100644 --- a/www/content/posts/_index.html +++ b/www/content/posts/_index.md diff --git a/www/content/posts/c-func-ext.md b/www/content/posts/c-func-ext.md index f5ab8fb..7106fad 100644 --- a/www/content/posts/c-func-ext.md +++ b/www/content/posts/c-func-ext.md @@ -8,16 +8,92 @@ tags: - posix --- -Recently, I've been working on porting libraries to GNU/Hurd. The maintainers of GNU/Hurd -have a strong belief that [`*_MAX` macros on POSIX system interfaces](https://pubs.opengroup.org/onlinepubs/9699919799.2008edition/nframe.html) -are very evil things. This is indeed true as a lot of (old) libraries relying on those macros -to determine the buffer size. In modern programming world, it is definitely a bad -idea to use fixed values for buffer sizes without considering possible overflow, unless -you are certain that size is sufficient. - -When you get rid of some old things, you will always meet compatibility problems. In these -case, old source codes using these macros just do not compile now. So here are some +Recently, I’ve been working on porting some libraries to GNU/Hurd. Many (old) +libraries use [`*_MAX` constants on POSIX system +interfaces](https://pubs.opengroup.org/onlinepubs/9699919799.2008edition/nframe.html) +to calculate buffer sizes. However, the GNU/Hurd maintainers urge against the +blind use of them and refuse to define them in system headers. When old APIs are +gone, compatibility problems come. To make my life easier, I'll put some +reusable code snippets here to help *fix `*_MAX` bugs*. <!--more--> +```c +#include <stdlib.h> +#include <stdarg.h> +#include <unistd.h> +#include <stdio.h> +#include <errno.h> + +static inline char *xreadlink(const char *restrict path) { + char *buffer; + size_t allocated = 128; + ssize_t len; + + while (1) { + buffer = (char*) malloc(allocated); + if (!buffer) { return NULL; } + len = readlink(path, buffer, allocated); + if (len < (ssize_t) allocated) { return buffer; } + free(buffer); + if (len >= (ssize_t) allocated) { allocated *= 2; continue; } + return NULL; + } + } + + +static inline char *xgethostname(void) { + long max_host_name; + char *buffer; + + max_host_name = sysconf(_SC_HOST_NAME_MAX); + buffer = malloc(max_host_name + 1); + + if (gethostname(buffer, max_host_name + 1)) { + free(buffer); + return NULL; + } + + buffer[max_host_name] = '\0'; + return buffer; +} + +static inline char *xgetcwd(void) { + char *buffer; + size_t allocated = 128; + + while (1) { + buffer = (char*) malloc(allocated); + if (!buffer) { return NULL; } + getcwd(buffer, allocated); + if (buffer) return buffer; + free(buffer); + if (errno == ERANGE) { allocated *= 2; continue; } + return NULL; + } +} + +static inline __attribute__((__format__(__printf__, 2, 3))) int +xsprintf(char **buf_ptr, const char *restrict format, ...) { + char *buffer; + int ret; + + va_list args; + va_start(args, format); + + ret = snprintf(NULL, 0, format, args); + if (ret < 0) { goto out; } + + buffer = malloc(ret + 1); + if (!buffer) { ret = -1; goto out; } + + ret = snprintf(NULL, 0, format, args); + if (ret < 0) { free(buffer); goto out; } + + *buf_ptr = buffer; +out: + va_end(args); + return ret; +} +``` diff --git a/www/layouts/_default/list.html b/www/layouts/_default/list.html index c7c6cce..5bb0b5e 100644 --- a/www/layouts/_default/list.html +++ b/www/layouts/_default/list.html @@ -4,9 +4,14 @@ {{ define "content" }} {{ partial "nav.html" . }} - <h1>Posts</h1> + <h1>{{ .Title }}</h1> + {{ $pages := .RegularPages }} + {{ if .Param "recursive" }} + {{ $pages = .RegularPagesRecursive }} + {{ end }} {{ partial "preview/posts.html" (dict - "h" "h3" - "pages" (.RegularPages.ByDate.Reverse.Limit 3)) + "h" "h3" + "pages" $pages + ) }} {{ end }} diff --git a/www/layouts/index.html b/www/layouts/index.html index 7c608f1..e05af03 100644 --- a/www/layouts/index.html +++ b/www/layouts/index.html @@ -26,23 +26,26 @@ <hr /> <section> <p>Welcome to my home page! Nice to meet you here! 🥰</p> - <p>If you have something interesting to share with me, feel free to email me at - <a rel="noopener noreferrer" href="mailto:crupest@crupest.life">crupest@crupest.life</a>. - You can also create an issue in any of my repos on GitHub to talk anything to me. + <p>If you have something interesting to share with me, feel free to email me + at <a rel="noopener noreferrer" href="mailto:crupest@crupest.life">crupest@crupest.life</a>. + You can also create an issue in any of my repos + on <a rel="noopener noreferrer" href="https://github.com/crupest">GitHub</a> to talk + anything to me. </p> <div id="links" class="mono-link"> - links: + goto: <ul> - <li><a href="{{ .RelPermalink }}">home</a></li> <li><a href="{{ absURL "/git/" }}">git</a></li> - {{ with .GetPage "/hurd" }} + {{ with .GetPage "/notes/hurd" }} <li><a href="{{ .RelPermalink }}">hurd</a></li> {{ end }} - {{ with .GetPage "/todos" }} + {{ with .GetPage "/notes/todos" }} <li><a href="{{ .RelPermalink }}">todos</a></li> {{ end }} - <li><a rel="noopener noreferrer" href="https://github.com/crupest">github</a></li> - </ul> + {{ with .GetPage "/notes/cheat-sheet" }} + <li><a href="{{ .RelPermalink }}">cheat-sheet</a></li> + {{ end }} + </ul> </div> </section> <hr> diff --git a/www/layouts/shortcodes/todo.html b/www/layouts/shortcodes/todo.html index 1327b31..b4fc680 100644 --- a/www/layouts/shortcodes/todo.html +++ b/www/layouts/shortcodes/todo.html @@ -1 +1,5 @@ -<span class="todo {{ .Get "state" }}">{{ .Get "name" }}</span>
\ No newline at end of file +<section class="todo {{ .Get "state" }}"> + <h3>{{ .Get "name" }}</h3> + {{ .Inner }} +</section> + |