#include #include #include "cpp.h" #include "str.h" #include "proc.h" #include "xmalloc.h" static size_t argv_len(char *const argv[]) { size_t len = 0; for (; argv && *argv; argv++) len++; return len; } int cpp_exec(char *in_file, char *out_file, size_t out_len, char *const argv[]) { size_t argc = 7 + argv_len(argv); char *tmp = xstrdup(in_file); char **cpp_argv; int ret = 0; char *base; unsigned int i = 0; base = basename(tmp); slprintf(out_file, out_len, "/tmp/.tmp-%u-%s", rand(), base); cpp_argv = xmalloc(argc * sizeof(char *)); cpp_argv[i++] = "cpp"; for (; argv && *argv; argv++, i++) cpp_argv[i] = *argv; cpp_argv[i++] = "-I"; cpp_argv[i++] = ETCDIRE_STRING; cpp_argv[i++] = "-o"; cpp_argv[i++] = out_file; cpp_argv[i++] = in_file; cpp_argv[i++] = NULL; if (proc_exec("cpp", cpp_argv)) ret = -1; xfree(cpp_argv); xfree(tmp); return ret; } net-next plumbingsTobias Klauser
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