зеркало из https://github.com/github/ruby.git
49 строки
1.2 KiB
C
49 строки
1.2 KiB
C
#include <ruby.h>
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static void stub_sysinit(int *argc, char ***argv);
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#define ruby_sysinit stub_sysinit
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#include <main.c>
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#undef ruby_sysinit
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void
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stub_sysinit(int *argc, char ***argv)
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{
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WCHAR exename[4096];
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size_t wlenexe, len0, lenall;
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int lenexe;
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int i, ac;
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char **av, *p;
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wlenexe = (size_t)GetModuleFileNameW(NULL, exename, sizeof(exename) / sizeof(*exename));
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lenexe = WideCharToMultiByte(CP_UTF8, 0, exename, wlenexe, NULL, 0, NULL, NULL);
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ruby_sysinit(argc, argv);
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ac = *argc;
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av = *argv;
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len0 = strlen(av[0]) + 1;
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lenall = 0;
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for (i = 1; i < ac; ++i) {
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lenall += strlen(av[i]) + 1;
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}
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av = realloc(av, lenall + len0 + (lenexe + 1) + sizeof(char *) * (i + 2));
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if (!av) {
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perror("realloc command line");
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exit(-1);
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}
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*argv = av;
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*argc = ++ac;
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p = (char *)(av + i + 2);
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memmove(p + len0 + lenexe + 1, (char *)(av + ac) + len0, lenall);
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memmove(p, (char *)(av + ac), len0);
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*av++ = p;
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p += len0;
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WideCharToMultiByte(CP_UTF8, 0, exename, wlenexe, p, lenexe, NULL, NULL);
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p[lenexe] = '\0';
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*av++ = p;
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p += lenexe + 1;
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while (--i) {
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*av++ = p;
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p += strlen(p) + 1;
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}
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*av = NULL;
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}
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