Sanity.

CVS patchset: 5771
CVS date: 2002/10/13 13:53:07

build/tfr.c

@@ -0,0 +1,205 @@
+#include "system.h"
+
+#include <rpmbuild.h>
+
+#include "debug.h"
+
+/**
+ */
+static int argvFree(/*@only@*/ /*@null@*/ const char ** argv)
+	/*@modifies argv @*/
+{
+    const char ** av;
+    
+    if ((av = argv)) {
+	while (*av)
+	    *av = _free(*av);
+	argv = _free(argv);
+    }
+    return 0;
+}
+
+/**
+ */
+static void argvPrint(const char * msg, const char ** argv, FILE * fp)
+	/*@*/
+{
+    const char ** av;
+    int ac;
+
+    if (fp == NULL) fp = stderr;
+
+    if (msg)
+	fprintf(fp, "===================================== %s\n", msg);
+
+    for (ac = 0, av = argv; *av; av++, ac++)
+	fprintf(fp, "%5d: %s\n", ac, *av);
+
+}
+
+/**
+ */
+static int argvCount(/*@null@*/ const char ** argv)
+	/*@*/
+{
+    int argc = 0;
+    if (argv)
+    while (argv[argc] != NULL)
+	argc++;
+    return argc;
+}
+
+/**
+ * Compare argv arrays (qsort/bsearch).
+ * @param a		1st instance address
+ * @param b		2nd instance address
+ * @return		result of comparison
+ */
+static int argvCmp(const void * a, const void * b)
+	/*@*/
+{
+/*@-boundsread@*/
+    const char * astr = *(const char **)a;
+    const char * bstr = *(const char **)b;
+/*@=boundsread@*/
+    return strcmp(astr, bstr);
+}
+
+/**
+ */
+static int argvSort(const char ** argv,
+		int (*compar)(const void *, const void *))
+	/*@*/
+{
+    qsort(argv, argvCount(argv), sizeof(*argv), compar);
+    return 0;
+}
+
+/**
+ */
+static const char ** argvSearch(const char ** argv, const char * s,
+		int (*compar)(const void *, const void *))
+	/*@*/
+{
+    return bsearch(&s, argv, argvCount(argv), sizeof(*argv), compar);
+}
+
+/**
+ */
+static int argvAppend(/*@out@*/ const char *** argvp, const char ** av)
+	/*@*/
+{
+    const char ** argv = *argvp;
+    int argc = argvCount(argv);
+    int ac = argvCount(av);
+    int i;
+
+    argv = xrealloc(argv, (argc + ac + 1) * sizeof(*argv));
+    for (i = 0; i < ac; i++)
+	argv[argc + i] = xstrdup(av[i]);
+    argv[argc + ac] = NULL;
+    *argvp = argv;
+    return 0;
+}
+
+/**
+ */
+static int argvSplit(const char *** argvp, const char * str, const char * seps)
+	/*@*/
+{
+    char * dest = alloca(strlen(str) + 1);
+    const char ** argv;
+    int argc = 1;
+    const char * s;
+    char * t;
+    int c;
+
+    for (argc = 1, s = str, t = dest; (c = *s); s++, t++) {
+	if (strchr(seps, c)) {
+	    argc++;
+	    c = '\0';
+	}
+	*t = c;
+    }
+    *t = '\0';
+
+    argv = xmalloc( (argc + 1) * sizeof(*argv));
+
+    for (c = 0, s = dest; s < t; s+= strlen(s) + 1) {
+	if (*s == '\0')
+	    continue;
+	argv[c] = xstrdup(s);
+	c++;
+    }
+    argv[c] = NULL;
+    *argvp = argv;
+    return 0;
+}
+
+static struct poptOption optionsTable[] = {
+
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
+	N_("Common options for all rpm modes and executables:"),
+	NULL }, 
+
+   POPT_AUTOALIAS
+   POPT_AUTOHELP
+   POPT_TABLEEND
+};
+
+int
+main(int argc, char *const argv[])
+{
+    poptContext optCon;
+    StringBuf sb;
+    const char ** pav;
+    int pac = 0;
+    const char ** xav;
+    const char ** av = NULL;
+    int ac = 0;
+    const char * s;
+    int ec = 1;
+    int xx;
+
+    optCon = rpmcliInit(argc, argv, optionsTable);
+    if (optCon == NULL)
+	goto exit;
+
+    av = poptGetArgs(optCon);
+    ac = argvCount(av);
+
+    /* Find path to file(1). */
+    s = rpmExpand("%{?__file}", NULL);
+    if (!(s && *s))
+	goto exit;
+
+    /* Build argv, merging tokens from expansion with CLI args. */
+    xx = poptParseArgvString(s, &pac, (const char ***)&pav);
+    if (!(xx == 0 && pac > 0 && pav != NULL))
+	goto exit;
+
+    xav = NULL;
+    xx = argvAppend(&xav, pav);
+    xx = argvAppend(&xav, av);
+    pav = _free(pav);
+    s = _free(s);
+
+    /* Read file(1) output. */
+    sb = getOutputFrom(NULL, xav, NULL, 0, 1);
+
+    xx = argvFree(xav);
+
+    xav = NULL;
+    xx = argvSplit(&xav, getStringBuf(sb), "\n");
+    sb = freeStringBuf(sb);
+
+    xx = argvSort(xav, argvCmp);
+
+argvPrint("final", xav, NULL);
+
+    xx = argvFree(xav);
+
+exit:
+    optCon = rpmcliFini(optCon);
+    return ec;
+}