Tcl Extension Architecture (TEA) Sample Extension

2012-08-17  Jan Nijtmans  <[email protected]>

	* win/nmakehlp.c: Add "-V<num>" option, in order to be able
	to detect partial version numbers.

2012-08-12  Jan Nijtmans <[email protected]>

	* configure:	Regenerated to use latest TEA tcl.m4.
	* win/rules.vc: Remove some unused code, always set
	USE_THREAD_ALLOC in combination with TCL_THREADS


2010-08-03  Stuart Cassoff  <[email protected]>

	* ChangeLog:		Zap trailing whitespace.
	* README.sha:		No functional change.
	* win/nmakehlp.c:
	* Makefile.in:		DON'T use gnu tar; use normal tar.

/* protos */

static int CheckForCompilerFeature(const char *option);
static int CheckForLinkerFeature(const char *option);
static int IsIn(const char *string, const char *substring);
static int SubstituteFile(const char *substs, const char *filename);
static int QualifyPath(const char *path);
static const char *GetVersionFromFile(const char *filename, const char *match, int numdots);
static DWORD WINAPI ReadFromPipe(LPVOID args);

/* globals */

#define CHUNK	25
#define STATICBUFFERSIZE    1000
typedef struct {

		    "Extract a version from a file:\n"
		    "eg: pkgIndex.tcl \"package ifneeded http\"",
		    argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
		    &dwWritten, NULL);
		return 0;
	    }
	    printf("%s\n", GetVersionFromFile(argv[2], argv[3], *(argv[1]+2) - '0'));
	    return 0;
	case 'Q':
	    if (argc != 3) {
		chars = snprintf(msg, sizeof(msg) - 1,
		    "usage: %s -Q path\n"
		    "Emit the fully qualified path\n"
		    "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);

 * 	following the match where a version is anything acceptable to
 * 	package provide or package ifneeded.
 */

static const char *
GetVersionFromFile(
    const char *filename,
    const char *match,
    int numdots)
{
    size_t cbBuffer = 100;
    static char szBuffer[100];
    char *szResult = NULL;
    FILE *fp = fopen(filename, "rt");

    if (fp != NULL) {

		}

		/*
		 * Find ending whitespace.
		 */

		q = p;
		while (*q && (strchr("0123456789.ab", *q)) && ((!strchr(".ab", *q)
			    && (!strchr("ab", q[-1])) || --numdots))) {
		    ++q;
		}

		memcpy(szBuffer, p, q - p);
		szBuffer[q-p] = 0;
		szResult = szBuffer;
		break;