options: change --h=... behavior

Does not match a shell pattern anymore. Instead, a simple sub-string
search is done.

DOCS/man/options.rst

@@ -350,9 +350,10 @@ Program Behavior
 ``--help``, ``--h``
     Show short summary of options.
 
-    You can also pass a shell pattern to this option, which will list all
-    matching top-level options, e.g. ``--h=*scale*`` for all options that
-    contain the word "scale".
+    You can also pass a string to this option, which will list all top-level
+    options which contain the string in the name, e.g. ``--h=scale`` for all
+    options that contain the word ``scale``. The special string ``*`` lists
+    all top-level options.
 
 ``-v``
     Increment verbosity level, one level for each ``-v`` found on the command

options/m_config.c

@@ -29,10 +29,6 @@
 #include <stdbool.h>
 #include <pthread.h>
 
-#if HAVE_FNMATCH
-#include <fnmatch.h>
-#endif
-
 #include "libmpv/client.h"
 
 #include "mpv_talloc.h"
@@ -956,10 +952,8 @@ void m_config_print_option_list(const struct m_config *config, const char *name)
         const struct m_option *opt = co->opt;
         if (co->is_hidden)
             continue;
-#if HAVE_FNMATCH
-        if (fnmatch(name, co->name, 0))
+        if (strcmp(name, "*") != 0 && !strstr(co->name, name))
             continue;
-#endif
         MP_INFO(config, " %s%-30s", prefix, co->name);
         if (opt->type == &m_option_type_choice) {
             MP_INFO(config, " Choices:");

player/main.c

@@ -96,7 +96,7 @@ const char mp_help_text[] =
 " --playlist=<file> specify playlist file\n"
 "\n"
 " --list-options    list all mpv options\n"
-" --h=<pat>         print options which match the given shell pattern\n"
+" --h=<string>      print options which contain the given string in their name\n"
 "\n";
 
 static pthread_mutex_t terminal_owner_lock = PTHREAD_MUTEX_INITIALIZER;

wscript

@@ -127,10 +127,6 @@ main_dependencies = [
         # This should be good enough.
         'func': check_statement(['poll.h', 'unistd.h', 'sys/mman.h'],
             'struct pollfd pfd; poll(&pfd, 1, 0); fork(); int f[2]; pipe(f); munmap(f,0)'),
-    }, {
-        'name': 'fnmatch',
-        'desc': 'fnmatch()',
-        'func': check_statement('fnmatch.h', 'fnmatch("", "", 0)')
     }, {
         'name': 'posix-or-mingw',
         'desc': 'development environment',