krytarowski updated this revision to Diff 33922.
krytarowski added a comment.

Reuse the Windows' GetOptInc.


Repository:
  rL LLVM

http://reviews.llvm.org/D12582

Files:
  include/lldb/Host/HostGetOpt.h
  include/lldb/Host/common/GetOptInc.h
  include/lldb/Host/windows/getopt/GetOptInc.h
  source/Host/CMakeLists.txt
  source/Host/common/GetOptInc.cpp
  source/Host/windows/getopt/GetOptInc.cpp
  tools/lldb-mi/CMakeLists.txt

Index: tools/lldb-mi/CMakeLists.txt
===================================================================
--- tools/lldb-mi/CMakeLists.txt
+++ tools/lldb-mi/CMakeLists.txt
@@ -81,7 +81,7 @@
 if ( CMAKE_SYSTEM_NAME MATCHES "Windows" )
   add_definitions( -DIMPORT_LIBLLDB )
   list(APPEND LLDB_MI_SOURCES
-    ${LLDB_SOURCE_ROOT}/Host/windows/getopt/GetOptInc.cpp
+    ${LLDB_SOURCE_ROOT}/Host/common/GetOptInc.cpp
     )
 endif ()
 
Index: source/Host/windows/getopt/GetOptInc.cpp
===================================================================
--- source/Host/windows/getopt/GetOptInc.cpp
+++ /dev/null
@@ -1,470 +0,0 @@
-#include "lldb/Host/windows/getopt/GetOptInc.h"
-
-// getopt.cpp
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
-#if defined(__clang__) && defined(_MSC_VER)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wwritable-strings"
-#endif
-
-int opterr = 1;     /* if error message should be printed */
-int optind = 1;     /* index into parent argv vector */
-int optopt = '?';   /* character checked for validity */
-int optreset;       /* reset getopt */
-char *optarg;       /* argument associated with option */
-
-#define PRINT_ERROR ((opterr) && (*options != ':'))
-
-#define FLAG_PERMUTE    0x01    /* permute non-options to the end of argv */
-#define FLAG_ALLARGS    0x02    /* treat non-options as args to option "-1" */
-#define FLAG_LONGONLY   0x04    /* operate as getopt_long_only */
-
-/* return values */
-#define BADCH       (int)'?'
-#define BADARG      ((*options == ':') ? (int)':' : (int)'?')
-#define INORDER     (int)1
-
-#define EMSG        ""
-
-static int getopt_internal(int, char * const *, const char *,
-    const struct option *, int *, int);
-static int parse_long_options(char * const *, const char *,
-    const struct option *, int *, int);
-static int gcd(int, int);
-static void permute_args(int, int, int, char * const *);
-
-static char *place = EMSG; /* option letter processing */
-
-/* XXX: set optreset to 1 rather than these two */
-static int nonopt_start = -1; /* first non option argument (for permute) */
-static int nonopt_end = -1;   /* first option after non options (for permute) */
-
-/*
-* Compute the greatest common divisor of a and b.
-*/
-static int
-gcd(int a, int b)
-{
-    int c;
-
-    c = a % b;
-    while (c != 0) {
-        a = b;
-        b = c;
-        c = a % b;
-    }
-
-    return (b);
-}
-
-static void pass() {}
-#define warnx(a, ...) pass();
-
-/*
-* Exchange the block from nonopt_start to nonopt_end with the block
-* from nonopt_end to opt_end (keeping the same order of arguments
-* in each block).
-*/
-static void
-permute_args(int panonopt_start, int panonopt_end, int opt_end,
-char * const *nargv)
-{
-    int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
-    char *swap;
-
-    /*
-    * compute lengths of blocks and number and size of cycles
-    */
-    nnonopts = panonopt_end - panonopt_start;
-    nopts = opt_end - panonopt_end;
-    ncycle = gcd(nnonopts, nopts);
-    cyclelen = (opt_end - panonopt_start) / ncycle;
-
-    for (i = 0; i < ncycle; i++) {
-        cstart = panonopt_end + i;
-        pos = cstart;
-        for (j = 0; j < cyclelen; j++) {
-            if (pos >= panonopt_end)
-                pos -= nnonopts;
-            else
-                pos += nopts;
-            swap = nargv[pos];
-            /* LINTED const cast */
-            ((char **)nargv)[pos] = nargv[cstart];
-            /* LINTED const cast */
-            ((char **)nargv)[cstart] = swap;
-        }
-    }
-}
-
-/*
-* parse_long_options --
-*  Parse long options in argc/argv argument vector.
-* Returns -1 if short_too is set and the option does not match long_options.
-*/
-static int
-parse_long_options(char * const *nargv, const char *options,
-const struct option *long_options, int *idx, int short_too)
-{
-    char *current_argv, *has_equal;
-    size_t current_argv_len;
-    int i, match;
-
-    current_argv = place;
-    match = -1;
-
-    optind++;
-
-    if ((has_equal = strchr(current_argv, '=')) != NULL) {
-        /* argument found (--option=arg) */
-        current_argv_len = has_equal - current_argv;
-        has_equal++;
-    }
-    else
-        current_argv_len = strlen(current_argv);
-
-    for (i = 0; long_options[i].name; i++) {
-        /* find matching long option */
-        if (strncmp(current_argv, long_options[i].name,
-            current_argv_len))
-            continue;
-
-        if (strlen(long_options[i].name) == current_argv_len) {
-            /* exact match */
-            match = i;
-            break;
-        }
-        /*
-        * If this is a known short option, don't allow
-        * a partial match of a single character.
-        */
-        if (short_too && current_argv_len == 1)
-            continue;
-
-        if (match == -1)    /* partial match */
-            match = i;
-        else {
-            /* ambiguous abbreviation */
-            if (PRINT_ERROR)
-                warnx(ambig, (int)current_argv_len,
-                current_argv);
-            optopt = 0;
-            return (BADCH);
-        }
-    }
-    if (match != -1) {      /* option found */
-        if (long_options[match].has_arg == no_argument
-            && has_equal) {
-            if (PRINT_ERROR)
-                warnx(noarg, (int)current_argv_len,
-                current_argv);
-            /*
-            * XXX: GNU sets optopt to val regardless of flag
-            */
-            if (long_options[match].flag == NULL)
-                optopt = long_options[match].val;
-            else
-                optopt = 0;
-            return (BADARG);
-        }
-        if (long_options[match].has_arg == required_argument ||
-            long_options[match].has_arg == optional_argument) {
-            if (has_equal)
-                optarg = has_equal;
-            else if (long_options[match].has_arg ==
-                required_argument) {
-                /*
-                * optional argument doesn't use next nargv
-                */
-                optarg = nargv[optind++];
-            }
-        }
-        if ((long_options[match].has_arg == required_argument)
-            && (optarg == NULL)) {
-            /*
-            * Missing argument; leading ':' indicates no error
-            * should be generated.
-            */
-            if (PRINT_ERROR)
-                warnx(recargstring,
-                current_argv);
-            /*
-            * XXX: GNU sets optopt to val regardless of flag
-            */
-            if (long_options[match].flag == NULL)
-                optopt = long_options[match].val;
-            else
-                optopt = 0;
-            --optind;
-            return (BADARG);
-        }
-    }
-    else {            /* unknown option */
-        if (short_too) {
-            --optind;
-            return (-1);
-        }
-        if (PRINT_ERROR)
-            warnx(illoptstring, current_argv);
-        optopt = 0;
-        return (BADCH);
-    }
-    if (idx)
-        *idx = match;
-    if (long_options[match].flag) {
-        *long_options[match].flag = long_options[match].val;
-        return (0);
-    }
-    else
-        return (long_options[match].val);
-}
-
-/*
-* getopt_internal --
-*  Parse argc/argv argument vector.  Called by user level routines.
-*/
-static int
-getopt_internal(int nargc, char * const *nargv, const char *options,
-const struct option *long_options, int *idx, int flags)
-{
-    const char *oli;                /* option letter list index */
-    int optchar, short_too;
-    static int posixly_correct = -1;
-
-    if (options == NULL)
-        return (-1);
-
-    /*
-    * XXX Some GNU programs (like cvs) set optind to 0 instead of
-    * XXX using optreset.  Work around this braindamage.
-    */
-    if (optind == 0)
-        optind = optreset = 1;
-
-    /*
-    * Disable GNU extensions if POSIXLY_CORRECT is set or options
-    * string begins with a '+'.
-    */
-    if (posixly_correct == -1 || optreset)
-        posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
-    if (*options == '-')
-        flags |= FLAG_ALLARGS;
-    else if (posixly_correct || *options == '+')
-        flags &= ~FLAG_PERMUTE;
-    if (*options == '+' || *options == '-')
-        options++;
-
-    optarg = NULL;
-    if (optreset)
-        nonopt_start = nonopt_end = -1;
-start:
-    if (optreset || !*place) {      /* update scanning pointer */
-        optreset = 0;
-        if (optind >= nargc) {          /* end of argument vector */
-            place = EMSG;
-            if (nonopt_end != -1) {
-                /* do permutation, if we have to */
-                permute_args(nonopt_start, nonopt_end,
-                    optind, nargv);
-                optind -= nonopt_end - nonopt_start;
-            }
-            else if (nonopt_start != -1) {
-                /*
-                * If we skipped non-options, set optind
-                * to the first of them.
-                */
-                optind = nonopt_start;
-            }
-            nonopt_start = nonopt_end = -1;
-            return (-1);
-        }
-        if (*(place = nargv[optind]) != '-' ||
-            (place[1] == '\0' && strchr(options, '-') == NULL)) {
-            place = EMSG;       /* found non-option */
-            if (flags & FLAG_ALLARGS) {
-                /*
-                * GNU extension:
-                * return non-option as argument to option 1
-                */
-                optarg = nargv[optind++];
-                return (INORDER);
-            }
-            if (!(flags & FLAG_PERMUTE)) {
-                /*
-                * If no permutation wanted, stop parsing
-                * at first non-option.
-                */
-                return (-1);
-            }
-            /* do permutation */
-            if (nonopt_start == -1)
-                nonopt_start = optind;
-            else if (nonopt_end != -1) {
-                permute_args(nonopt_start, nonopt_end,
-                    optind, nargv);
-                nonopt_start = optind -
-                    (nonopt_end - nonopt_start);
-                nonopt_end = -1;
-            }
-            optind++;
-            /* process next argument */
-            goto start;
-        }
-        if (nonopt_start != -1 && nonopt_end == -1)
-            nonopt_end = optind;
-
-        /*
-        * If we have "-" do nothing, if "--" we are done.
-        */
-        if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {
-            optind++;
-            place = EMSG;
-            /*
-            * We found an option (--), so if we skipped
-            * non-options, we have to permute.
-            */
-            if (nonopt_end != -1) {
-                permute_args(nonopt_start, nonopt_end,
-                    optind, nargv);
-                optind -= nonopt_end - nonopt_start;
-            }
-            nonopt_start = nonopt_end = -1;
-            return (-1);
-        }
-    }
-
-    /*
-    * Check long options if:
-    *  1) we were passed some
-    *  2) the arg is not just "-"
-    *  3) either the arg starts with -- we are getopt_long_only()
-    */
-    if (long_options != NULL && place != nargv[optind] &&
-        (*place == '-' || (flags & FLAG_LONGONLY))) {
-        short_too = 0;
-        if (*place == '-')
-            place++;        /* --foo long option */
-        else if (*place != ':' && strchr(options, *place) != NULL)
-            short_too = 1;      /* could be short option too */
-
-        optchar = parse_long_options(nargv, options, long_options,
-            idx, short_too);
-        if (optchar != -1) {
-            place = EMSG;
-            return (optchar);
-        }
-    }
-
-    if ((optchar = (int)*place++) == (int)':' ||
-        (optchar == (int)'-' && *place != '\0') ||
-        (oli = strchr(options, optchar)) == NULL) {
-        /*
-        * If the user specified "-" and  '-' isn't listed in
-        * options, return -1 (non-option) as per POSIX.
-        * Otherwise, it is an unknown option character (or ':').
-        */
-        if (optchar == (int)'-' && *place == '\0')
-            return (-1);
-        if (!*place)
-            ++optind;
-        if (PRINT_ERROR)
-            warnx(illoptchar, optchar);
-        optopt = optchar;
-        return (BADCH);
-    }
-    if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
-        /* -W long-option */
-        if (*place)         /* no space */
-            /* NOTHING */;
-        else if (++optind >= nargc) {   /* no arg */
-            place = EMSG;
-            if (PRINT_ERROR)
-                warnx(recargchar, optchar);
-            optopt = optchar;
-            return (BADARG);
-        }
-        else              /* white space */
-            place = nargv[optind];
-        optchar = parse_long_options(nargv, options, long_options,
-            idx, 0);
-        place = EMSG;
-        return (optchar);
-    }
-    if (*++oli != ':') {            /* doesn't take argument */
-        if (!*place)
-            ++optind;
-    }
-    else {                /* takes (optional) argument */
-        optarg = NULL;
-        if (*place)         /* no white space */
-            optarg = place;
-        else if (oli[1] != ':') {   /* arg not optional */
-            if (++optind >= nargc) {    /* no arg */
-                place = EMSG;
-                if (PRINT_ERROR)
-                    warnx(recargchar, optchar);
-                optopt = optchar;
-                return (BADARG);
-            }
-            else
-                optarg = nargv[optind];
-        }
-        place = EMSG;
-        ++optind;
-    }
-    /* dump back option letter */
-    return (optchar);
-}
-
-/*
-* getopt --
-*  Parse argc/argv argument vector.
-*
-* [eventually this will replace the BSD getopt]
-*/
-int
-getopt(int nargc, char * const *nargv, const char *options)
-{
-
-    /*
-    * We don't pass FLAG_PERMUTE to getopt_internal() since
-    * the BSD getopt(3) (unlike GNU) has never done this.
-    *
-    * Furthermore, since many privileged programs call getopt()
-    * before dropping privileges it makes sense to keep things
-    * as simple (and bug-free) as possible.
-    */
-    return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
-}
-
-/*
-* getopt_long --
-*  Parse argc/argv argument vector.
-*/
-int
-getopt_long(int nargc, char * const *nargv, const char *options,
-const struct option *long_options, int *idx)
-{
-    return (getopt_internal(nargc, nargv, options, long_options, idx,
-        FLAG_PERMUTE));
-}
-
-/*
-* getopt_long_only --
-*  Parse argc/argv argument vector.
-*/
-int
-getopt_long_only(int nargc, char * const *nargv, const char *options,
-const struct option *long_options, int *idx)
-{
-
-    return (getopt_internal(nargc, nargv, options, long_options, idx,
-        FLAG_PERMUTE | FLAG_LONGONLY));
-}
-
-#if defined(__clang__) && defined(_MSC_VER)
-#pragma clang diagnostic pop
-#endif
\ No newline at end of file
Index: source/Host/common/GetOptInc.cpp
===================================================================
--- /dev/null
+++ source/Host/common/GetOptInc.cpp
@@ -0,0 +1,469 @@
+#include "lldb/Host/common/GetOptInc.h"
+
+// getopt.cpp
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(REPLACE_GETOPT)
+int opterr = 1;     /* if error message should be printed */
+int optind = 1;     /* index into parent argv vector */
+int optopt = '?';   /* character checked for validity */
+int optreset;       /* reset getopt */
+char *optarg;       /* argument associated with option */
+#endif
+
+#define PRINT_ERROR ((opterr) && (*options != ':'))
+
+#define FLAG_PERMUTE    0x01    /* permute non-options to the end of argv */
+#define FLAG_ALLARGS    0x02    /* treat non-options as args to option "-1" */
+#define FLAG_LONGONLY   0x04    /* operate as getopt_long_only */
+
+/* return values */
+#define BADCH       (int)'?'
+#define BADARG      ((*options == ':') ? (int)':' : (int)'?')
+#define INORDER     (int)1
+
+#define EMSG        ""
+
+static int getopt_internal(int, char * const *, const char *,
+    const struct option *, int *, int);
+static int parse_long_options(char * const *, const char *,
+    const struct option *, int *, int);
+static int gcd(int, int);
+static void permute_args(int, int, int, char * const *);
+
+static const char *place = EMSG; /* option letter processing */
+
+/* XXX: set optreset to 1 rather than these two */
+static int nonopt_start = -1; /* first non option argument (for permute) */
+static int nonopt_end = -1;   /* first option after non options (for permute) */
+
+/*
+* Compute the greatest common divisor of a and b.
+*/
+static int
+gcd(int a, int b)
+{
+    int c;
+
+    c = a % b;
+    while (c != 0) {
+        a = b;
+        b = c;
+        c = a % b;
+    }
+
+    return (b);
+}
+
+static void pass() {}
+#define warnx(a, ...) pass();
+
+/*
+* Exchange the block from nonopt_start to nonopt_end with the block
+* from nonopt_end to opt_end (keeping the same order of arguments
+* in each block).
+*/
+static void
+permute_args(int panonopt_start, int panonopt_end, int opt_end,
+char * const *nargv)
+{
+    int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
+    char *swap;
+
+    /*
+    * compute lengths of blocks and number and size of cycles
+    */
+    nnonopts = panonopt_end - panonopt_start;
+    nopts = opt_end - panonopt_end;
+    ncycle = gcd(nnonopts, nopts);
+    cyclelen = (opt_end - panonopt_start) / ncycle;
+
+    for (i = 0; i < ncycle; i++) {
+        cstart = panonopt_end + i;
+        pos = cstart;
+        for (j = 0; j < cyclelen; j++) {
+            if (pos >= panonopt_end)
+                pos -= nnonopts;
+            else
+                pos += nopts;
+            swap = nargv[pos];
+            /* LINTED const cast */
+            ((char **)nargv)[pos] = nargv[cstart];
+            /* LINTED const cast */
+            ((char **)nargv)[cstart] = swap;
+        }
+    }
+}
+
+/*
+* parse_long_options --
+*  Parse long options in argc/argv argument vector.
+* Returns -1 if short_too is set and the option does not match long_options.
+*/
+static int
+parse_long_options(char * const *nargv, const char *options,
+const struct option *long_options, int *idx, int short_too)
+{
+    char *current_argv, *has_equal;
+    size_t current_argv_len;
+    int i, match;
+
+    current_argv = const_cast<char*>(place);
+    match = -1;
+
+    optind++;
+
+    if ((has_equal = strchr(current_argv, '=')) != NULL) {
+        /* argument found (--option=arg) */
+        current_argv_len = has_equal - current_argv;
+        has_equal++;
+    }
+    else
+        current_argv_len = strlen(current_argv);
+
+    for (i = 0; long_options[i].name; i++) {
+        /* find matching long option */
+        if (strncmp(current_argv, long_options[i].name,
+            current_argv_len))
+            continue;
+
+        if (strlen(long_options[i].name) == current_argv_len) {
+            /* exact match */
+            match = i;
+            break;
+        }
+        /*
+        * If this is a known short option, don't allow
+        * a partial match of a single character.
+        */
+        if (short_too && current_argv_len == 1)
+            continue;
+
+        if (match == -1)    /* partial match */
+            match = i;
+        else {
+            /* ambiguous abbreviation */
+            if (PRINT_ERROR)
+                warnx(ambig, (int)current_argv_len,
+                current_argv);
+            optopt = 0;
+            return (BADCH);
+        }
+    }
+    if (match != -1) {      /* option found */
+        if (long_options[match].has_arg == no_argument
+            && has_equal) {
+            if (PRINT_ERROR)
+                warnx(noarg, (int)current_argv_len,
+                current_argv);
+            /*
+            * XXX: GNU sets optopt to val regardless of flag
+            */
+            if (long_options[match].flag == NULL)
+                optopt = long_options[match].val;
+            else
+                optopt = 0;
+            return (BADARG);
+        }
+        if (long_options[match].has_arg == required_argument ||
+            long_options[match].has_arg == optional_argument) {
+            if (has_equal)
+                optarg = has_equal;
+            else if (long_options[match].has_arg ==
+                required_argument) {
+                /*
+                * optional argument doesn't use next nargv
+                */
+                optarg = nargv[optind++];
+            }
+        }
+        if ((long_options[match].has_arg == required_argument)
+            && (optarg == NULL)) {
+            /*
+            * Missing argument; leading ':' indicates no error
+            * should be generated.
+            */
+            if (PRINT_ERROR)
+                warnx(recargstring,
+                current_argv);
+            /*
+            * XXX: GNU sets optopt to val regardless of flag
+            */
+            if (long_options[match].flag == NULL)
+                optopt = long_options[match].val;
+            else
+                optopt = 0;
+            --optind;
+            return (BADARG);
+        }
+    }
+    else {            /* unknown option */
+        if (short_too) {
+            --optind;
+            return (-1);
+        }
+        if (PRINT_ERROR)
+            warnx(illoptstring, current_argv);
+        optopt = 0;
+        return (BADCH);
+    }
+    if (idx)
+        *idx = match;
+    if (long_options[match].flag) {
+        *long_options[match].flag = long_options[match].val;
+        return (0);
+    }
+    else
+        return (long_options[match].val);
+}
+
+/*
+* getopt_internal --
+*  Parse argc/argv argument vector.  Called by user level routines.
+*/
+static int
+getopt_internal(int nargc, char * const *nargv, const char *options,
+const struct option *long_options, int *idx, int flags)
+{
+    const char *oli;                /* option letter list index */
+    int optchar, short_too;
+    static int posixly_correct = -1;
+
+    if (options == NULL)
+        return (-1);
+
+    /*
+    * XXX Some GNU programs (like cvs) set optind to 0 instead of
+    * XXX using optreset.  Work around this braindamage.
+    */
+    if (optind == 0)
+        optind = optreset = 1;
+
+    /*
+    * Disable GNU extensions if POSIXLY_CORRECT is set or options
+    * string begins with a '+'.
+    */
+    if (posixly_correct == -1 || optreset)
+        posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
+    if (*options == '-')
+        flags |= FLAG_ALLARGS;
+    else if (posixly_correct || *options == '+')
+        flags &= ~FLAG_PERMUTE;
+    if (*options == '+' || *options == '-')
+        options++;
+
+    optarg = NULL;
+    if (optreset)
+        nonopt_start = nonopt_end = -1;
+start:
+    if (optreset || !*place) {      /* update scanning pointer */
+        optreset = 0;
+        if (optind >= nargc) {          /* end of argument vector */
+            place = EMSG;
+            if (nonopt_end != -1) {
+                /* do permutation, if we have to */
+                permute_args(nonopt_start, nonopt_end,
+                    optind, nargv);
+                optind -= nonopt_end - nonopt_start;
+            }
+            else if (nonopt_start != -1) {
+                /*
+                * If we skipped non-options, set optind
+                * to the first of them.
+                */
+                optind = nonopt_start;
+            }
+            nonopt_start = nonopt_end = -1;
+            return (-1);
+        }
+        if (*(place = nargv[optind]) != '-' ||
+            (place[1] == '\0' && strchr(options, '-') == NULL)) {
+            place = EMSG;       /* found non-option */
+            if (flags & FLAG_ALLARGS) {
+                /*
+                * GNU extension:
+                * return non-option as argument to option 1
+                */
+                optarg = nargv[optind++];
+                return (INORDER);
+            }
+            if (!(flags & FLAG_PERMUTE)) {
+                /*
+                * If no permutation wanted, stop parsing
+                * at first non-option.
+                */
+                return (-1);
+            }
+            /* do permutation */
+            if (nonopt_start == -1)
+                nonopt_start = optind;
+            else if (nonopt_end != -1) {
+                permute_args(nonopt_start, nonopt_end,
+                    optind, nargv);
+                nonopt_start = optind -
+                    (nonopt_end - nonopt_start);
+                nonopt_end = -1;
+            }
+            optind++;
+            /* process next argument */
+            goto start;
+        }
+        if (nonopt_start != -1 && nonopt_end == -1)
+            nonopt_end = optind;
+
+        /*
+        * If we have "-" do nothing, if "--" we are done.
+        */
+        if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {
+            optind++;
+            place = EMSG;
+            /*
+            * We found an option (--), so if we skipped
+            * non-options, we have to permute.
+            */
+            if (nonopt_end != -1) {
+                permute_args(nonopt_start, nonopt_end,
+                    optind, nargv);
+                optind -= nonopt_end - nonopt_start;
+            }
+            nonopt_start = nonopt_end = -1;
+            return (-1);
+        }
+    }
+
+    /*
+    * Check long options if:
+    *  1) we were passed some
+    *  2) the arg is not just "-"
+    *  3) either the arg starts with -- we are getopt_long_only()
+    */
+    if (long_options != NULL && place != nargv[optind] &&
+        (*place == '-' || (flags & FLAG_LONGONLY))) {
+        short_too = 0;
+        if (*place == '-')
+            place++;        /* --foo long option */
+        else if (*place != ':' && strchr(options, *place) != NULL)
+            short_too = 1;      /* could be short option too */
+
+        optchar = parse_long_options(nargv, options, long_options,
+            idx, short_too);
+        if (optchar != -1) {
+            place = EMSG;
+            return (optchar);
+        }
+    }
+
+    if ((optchar = (int)*place++) == (int)':' ||
+        (optchar == (int)'-' && *place != '\0') ||
+        (oli = strchr(options, optchar)) == NULL) {
+        /*
+        * If the user specified "-" and  '-' isn't listed in
+        * options, return -1 (non-option) as per POSIX.
+        * Otherwise, it is an unknown option character (or ':').
+        */
+        if (optchar == (int)'-' && *place == '\0')
+            return (-1);
+        if (!*place)
+            ++optind;
+        if (PRINT_ERROR)
+            warnx(illoptchar, optchar);
+        optopt = optchar;
+        return (BADCH);
+    }
+    if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
+        /* -W long-option */
+        if (*place)         /* no space */
+            /* NOTHING */;
+        else if (++optind >= nargc) {   /* no arg */
+            place = EMSG;
+            if (PRINT_ERROR)
+                warnx(recargchar, optchar);
+            optopt = optchar;
+            return (BADARG);
+        }
+        else              /* white space */
+            place = nargv[optind];
+        optchar = parse_long_options(nargv, options, long_options,
+            idx, 0);
+        place = EMSG;
+        return (optchar);
+    }
+    if (*++oli != ':') {            /* doesn't take argument */
+        if (!*place)
+            ++optind;
+    }
+    else {                /* takes (optional) argument */
+        optarg = NULL;
+        if (*place)         /* no white space */
+            optarg = const_cast<char*>(place);
+        else if (oli[1] != ':') {   /* arg not optional */
+            if (++optind >= nargc) {    /* no arg */
+                place = EMSG;
+                if (PRINT_ERROR)
+                    warnx(recargchar, optchar);
+                optopt = optchar;
+                return (BADARG);
+            }
+            else
+                optarg = nargv[optind];
+        }
+        place = EMSG;
+        ++optind;
+    }
+    /* dump back option letter */
+    return (optchar);
+}
+
+/*
+* getopt --
+*  Parse argc/argv argument vector.
+*
+* [eventually this will replace the BSD getopt]
+*/
+#if defined(REPLACE_GETOPT)
+int
+getopt(int nargc, char * const *nargv, const char *options)
+{
+
+    /*
+    * We don't pass FLAG_PERMUTE to getopt_internal() since
+    * the BSD getopt(3) (unlike GNU) has never done this.
+    *
+    * Furthermore, since many privileged programs call getopt()
+    * before dropping privileges it makes sense to keep things
+    * as simple (and bug-free) as possible.
+    */
+    return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
+}
+#endif
+
+/*
+* getopt_long --
+*  Parse argc/argv argument vector.
+*/
+#if defined(REPLACE_GETOPT_LONG)
+int
+getopt_long(int nargc, char * const *nargv, const char *options,
+const struct option *long_options, int *idx)
+{
+    return (getopt_internal(nargc, nargv, options, long_options, idx,
+        FLAG_PERMUTE));
+}
+#endif
+
+/*
+* getopt_long_only --
+*  Parse argc/argv argument vector.
+*/
+#if defined(REPLACE_GETOPT_LONG_ONLY)
+int
+getopt_long_only(int nargc, char * const *nargv, const char *options,
+const struct option *long_options, int *idx)
+{
+
+    return (getopt_internal(nargc, nargv, options, long_options, idx,
+        FLAG_PERMUTE | FLAG_LONGONLY));
+}
+#endif
Index: source/Host/CMakeLists.txt
===================================================================
--- source/Host/CMakeLists.txt
+++ source/Host/CMakeLists.txt
@@ -9,6 +9,7 @@
   common/FileCache.cpp
   common/FileSpec.cpp
   common/FileSystem.cpp
+  common/GetOptInc.cpp
   common/Host.cpp
   common/HostInfoBase.cpp
   common/HostNativeThreadBase.cpp
@@ -67,7 +68,6 @@
     windows/ProcessRunLock.cpp
     windows/ThisThread.cpp
     windows/Windows.cpp
-    windows/getopt/GetOptInc.cpp
     )
 else()
   add_host_subdirectory(posix
Index: include/lldb/Host/windows/getopt/GetOptInc.h
===================================================================
--- include/lldb/Host/windows/getopt/GetOptInc.h
+++ /dev/null
@@ -1,48 +0,0 @@
-#pragma once
-
-#include "lldb/lldb-defines.h"
-
-// from getopt.h
-#define no_argument       0
-#define required_argument 1
-#define optional_argument 2
-
-// option structure
-struct option
-{
-    const char *name;
-    // has_arg can't be an enum because some compilers complain about
-    // type mismatches in all the code that assumes it is an int.
-    int  has_arg;
-    int *flag;
-    int  val;
-};
-
-int getopt( int argc, char * const argv[], const char *optstring );
-
-// from getopt.h
-extern char * optarg;
-extern int    optind;
-extern int    opterr;
-extern int    optopt;
-
-// defined in unistd.h
-extern int    optreset;
-
-int getopt_long
-(
-    int argc,
-    char * const *argv,
-    const char *optstring,
-    const struct option *longopts,
-    int *longindex
-);
-
-int getopt_long_only
-(
-    int argc,
-    char * const *argv,
-    const char *optstring,
-    const struct option *longopts,
-    int *longindex
-);
Index: include/lldb/Host/common/GetOptInc.h
===================================================================
--- /dev/null
+++ include/lldb/Host/common/GetOptInc.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include "lldb/lldb-defines.h"
+
+#if defined(_MSC_VER)
+#define REPLACE_GETOPT
+#define REPLACE_GETOPT_LONG
+#endif
+#if defined(_MSC_VER) || defined(__NetBSD__)
+#define REPLACE_GETOPT_LONG
+#endif
+
+#if defined(REPLACE_GETOPT)
+// from getopt.h
+#define no_argument       0
+#define required_argument 1
+#define optional_argument 2
+
+// option structure
+struct option
+{
+    const char *name;
+    // has_arg can't be an enum because some compilers complain about
+    // type mismatches in all the code that assumes it is an int.
+    int  has_arg;
+    int *flag;
+    int  val;
+};
+
+int getopt( int argc, char * const argv[], const char *optstring );
+
+// from getopt.h
+extern char * optarg;
+extern int    optind;
+extern int    opterr;
+extern int    optopt;
+
+// defined in unistd.h
+extern int    optreset;
+#else
+# ifdef _WIN32
+#  define _BSD_SOURCE // Required so that getopt.h defines optreset
+# endif
+# include <unistd.h>
+# include <getopt.h>
+#endif
+
+#if defined(REPLACE_GETOPT_LONG)
+int getopt_long
+(
+    int argc,
+    char * const *argv,
+    const char *optstring,
+    const struct option *longopts,
+    int *longindex
+);
+#endif
+
+#if defined(REPLACE_GETOPT_LONG_ONLY)
+int getopt_long_only
+(
+    int argc,
+    char * const *argv,
+    const char *optstring,
+    const struct option *longopts,
+    int *longindex
+);
+#endif
Index: include/lldb/Host/HostGetOpt.h
===================================================================
--- include/lldb/Host/HostGetOpt.h
+++ include/lldb/Host/HostGetOpt.h
@@ -8,17 +8,4 @@
 //===----------------------------------------------------------------------===//
 #pragma once
 
-#ifndef _MSC_VER
-
-#ifdef _WIN32
-#define _BSD_SOURCE // Required so that getopt.h defines optreset
-#endif
-
-#include <unistd.h>
-#include <getopt.h>
-
-#else
-
-#include <lldb/Host/windows/getopt/GetOptInc.h>
-
-#endif
+#include <lldb/Host/common/GetOptInc.h>
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