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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/win32/stub.c |
Fresh start
Diffstat (limited to 'jni/ruby/win32/stub.c')
-rw-r--r-- | jni/ruby/win32/stub.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/jni/ruby/win32/stub.c b/jni/ruby/win32/stub.c new file mode 100644 index 0000000..fc82d73 --- /dev/null +++ b/jni/ruby/win32/stub.c @@ -0,0 +1,42 @@ +#include <ruby.h> +static void stub_sysinit(int *argc, char ***argv); +#define ruby_sysinit stub_sysinit +#include <main.c> +#undef ruby_sysinit + +void +stub_sysinit(int *argc, char ***argv) +{ + char exename[4096]; + size_t lenexe, len0, lenall; + int i, ac; + char **av, *p; + + lenexe = (size_t)GetModuleFileName(NULL, exename, sizeof exename); + ruby_sysinit(argc, argv); + ac = *argc; + av = *argv; + len0 = strlen(av[0]) + 1; + lenall = 0; + for (i = 1; i < ac; ++i) { + lenall += strlen(av[i]) + 1; + } + *argv = av = realloc(av, lenall + (lenexe + 1) * 2 + sizeof(char *) * (i + 2)); + *argc = ++ac; + p = (char *)(av + i + 2); + memmove(p + (lenexe + 1) * 2, (char *)(av + ac) + len0, lenall); + memcpy(p, exename, lenexe); + p[lenexe] = '\0'; + *av++ = p; + p += lenexe + 1; + memcpy(p, exename, lenexe); + p[lenexe] = '\0'; + *av++ = p; + p += lenexe + 1; + while (--i) { + *av++ = p; + p += strlen(p) + 1; + } + *av = NULL; +} + |