337 lines
7.5 KiB
C
337 lines
7.5 KiB
C
/**
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* \file lib/rpmps.c
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*/
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#include "system.h"
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#include <rpmlib.h>
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#include "rpmps.h"
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#include "misc.h"
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#include "debug.h"
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/*@access fnpyKey @*/
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/*@access rpmProblem @*/
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/*@unchecked@*/
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int _rpmps_debug = 0;
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rpmps XrpmpsUnlink(rpmps ps, const char * msg,
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const char * fn, unsigned ln)
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{
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/*@-modfilesys@*/
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if (_rpmps_debug > 0 && msg != NULL)
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fprintf(stderr, "--> ps %p -- %d %s at %s:%u\n", ps, ps->nrefs, msg, fn, ln);
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/*@=modfilesys@*/
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ps->nrefs--;
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/*@-refcounttrans@*/
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return ps;
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/*@=refcounttrans@*/
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}
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rpmps XrpmpsLink(rpmps ps, const char * msg,
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const char * fn, unsigned ln)
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{
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ps->nrefs++;
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/*@-modfilesys@*/
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if (_rpmps_debug > 0 && msg != NULL)
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fprintf(stderr, "--> ps %p ++ %d %s at %s:%u\n", ps, ps->nrefs, msg, fn, ln);
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/*@=modfilesys@*/
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/*@-refcounttrans@*/
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return ps;
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/*@=refcounttrans@*/
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}
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int rpmpsNumProblems(rpmps ps)
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{
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int numProblems = 0;
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if (ps && ps->probs)
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numProblems = ps->numProblems;
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return numProblems;
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}
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rpmps rpmpsCreate(void)
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{
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rpmps ps = xcalloc(1, sizeof(*ps));
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return rpmpsLink(ps, "create");
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}
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rpmps rpmpsFree(rpmps ps)
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{
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if (ps == NULL) return NULL;
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ps = rpmpsUnlink(ps, "dereference");
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if (ps->nrefs > 0)
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return NULL;
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if (ps->probs) {
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int i;
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for (i = 0; i < ps->numProblems; i++) {
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rpmProblem p = ps->probs + i;
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p->pkgNEVR = _free(p->pkgNEVR);
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p->altNEVR = _free(p->altNEVR);
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p->str1 = _free(p->str1);
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}
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ps->probs = _free(ps->probs);
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}
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ps = _free(ps);
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return NULL;
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}
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void rpmpsAppend(rpmps ps, rpmProblemType type,
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const char * pkgNEVR, fnpyKey key,
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const char * dn, const char * bn,
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const char * altNEVR, unsigned long ulong1)
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{
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rpmProblem p;
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char *t;
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if (ps == NULL) return;
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if (ps->numProblems == ps->numProblemsAlloced) {
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if (ps->numProblemsAlloced)
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ps->numProblemsAlloced *= 2;
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else
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ps->numProblemsAlloced = 2;
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ps->probs = xrealloc(ps->probs,
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ps->numProblemsAlloced * sizeof(*ps->probs));
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}
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p = ps->probs + ps->numProblems;
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ps->numProblems++;
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/*@-boundswrite@*/
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memset(p, 0, sizeof(*p));
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/*@=boundswrite@*/
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p->type = type;
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p->key = key;
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p->ulong1 = ulong1;
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p->ignoreProblem = 0;
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p->pkgNEVR = (pkgNEVR ? xstrdup(pkgNEVR) : NULL);
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p->altNEVR = (altNEVR ? xstrdup(altNEVR) : NULL);
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p->str1 = NULL;
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if (dn != NULL || bn != NULL) {
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/*@-boundswrite@*/
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t = xcalloc(1, (dn != NULL ? strlen(dn) : 0) +
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(bn != NULL ? strlen(bn) : 0) + 1);
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p->str1 = t;
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if (dn != NULL) t = stpcpy(t, dn);
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if (bn != NULL) t = stpcpy(t, bn);
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/*@=boundswrite@*/
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}
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}
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#define XSTRCMP(a, b) ((!(a) && !(b)) || ((a) && (b) && !strcmp((a), (b))))
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int rpmpsTrim(rpmps ps, rpmps filter)
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{
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rpmProblem t;
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rpmProblem f;
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int gotProblems = 0;
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if (ps == NULL || ps->numProblems == 0)
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return 0;
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if (filter == NULL)
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return (ps->numProblems == 0 ? 0 : 1);
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t = ps->probs;
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f = filter->probs;
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while ((f - filter->probs) < filter->numProblems) {
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if (!f->ignoreProblem) {
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f++;
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continue;
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}
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while ((t - ps->probs) < ps->numProblems) {
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/*@-nullpass@*/ /* LCL: looks good to me <shrug> */
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if (f->type == t->type && t->key == f->key &&
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XSTRCMP(f->str1, t->str1))
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/*@innerbreak@*/ break;
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/*@=nullpass@*/
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t++;
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gotProblems = 1;
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}
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/* XXX This can't happen, but let's be sane in case it does. */
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if ((t - ps->probs) == ps->numProblems)
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break;
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t->ignoreProblem = f->ignoreProblem;
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t++, f++;
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}
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if ((t - ps->probs) < ps->numProblems)
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gotProblems = 1;
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return gotProblems;
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}
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#if !defined(HAVE_VSNPRINTF)
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/*@-shadow -bufferoverflowhigh @*/
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static inline int vsnprintf(/*@out@*/ char * buf, /*@unused@*/ int nb,
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const char * fmt, va_list ap)
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{
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return vsprintf(buf, fmt, ap);
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}
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/*@=shadow =bufferoverflowhigh @*/
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#endif
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#if !defined(HAVE_SNPRINTF)
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static inline int snprintf(/*@out@*/ char * buf, int nb, const char * fmt, ...)
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{
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va_list ap;
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int rc;
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va_start(ap, fmt);
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rc = vsnprintf(buf, nb, fmt, ap);
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va_end(ap);
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return rc;
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}
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#endif
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const char * rpmProblemString(const rpmProblem prob)
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{
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/*@observer@*/
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const char * pkgNEVR = (prob->pkgNEVR ? prob->pkgNEVR : "?pkgNEVR?");
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/*@observer@*/
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const char * altNEVR = (prob->altNEVR ? prob->altNEVR : "? ?altNEVR?");
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/*@observer@*/
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const char * str1 = (prob->str1 ? prob->str1 : N_("different"));
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int nb = strlen(pkgNEVR) + strlen(str1) + strlen(altNEVR) + 100;
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char * buf = xmalloc(nb+1);
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int rc;
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switch (prob->type) {
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case RPMPROB_BADARCH:
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rc = snprintf(buf, nb,
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_("package %s is intended for a %s architecture"),
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pkgNEVR, str1);
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break;
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case RPMPROB_BADOS:
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rc = snprintf(buf, nb,
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_("package %s is intended for a %s operating system"),
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pkgNEVR, str1);
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break;
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case RPMPROB_PKG_INSTALLED:
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rc = snprintf(buf, nb,
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_("package %s is already installed"),
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pkgNEVR);
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break;
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case RPMPROB_BADRELOCATE:
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rc = snprintf(buf, nb,
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_("path %s in package %s is not relocatable"),
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str1, pkgNEVR);
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break;
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case RPMPROB_NEW_FILE_CONFLICT:
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rc = snprintf(buf, nb,
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_("file %s conflicts between attempted installs of %s and %s"),
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str1, pkgNEVR, altNEVR);
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break;
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case RPMPROB_FILE_CONFLICT:
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rc = snprintf(buf, nb,
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_("file %s from install of %s conflicts with file from package %s"),
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str1, pkgNEVR, altNEVR);
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break;
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case RPMPROB_OLDPACKAGE:
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rc = snprintf(buf, nb,
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_("package %s (which is newer than %s) is already installed"),
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altNEVR, pkgNEVR);
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break;
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case RPMPROB_DISKSPACE:
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rc = snprintf(buf, nb,
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_("installing package %s needs %ld%cB on the %s filesystem"),
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pkgNEVR,
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prob->ulong1 > (1024*1024)
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? (prob->ulong1 + 1024 * 1024 - 1) / (1024 * 1024)
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: (prob->ulong1 + 1023) / 1024,
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prob->ulong1 > (1024*1024) ? 'M' : 'K',
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str1);
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break;
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case RPMPROB_DISKNODES:
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rc = snprintf(buf, nb,
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_("installing package %s needs %ld inodes on the %s filesystem"),
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pkgNEVR, (long)prob->ulong1, str1);
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break;
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case RPMPROB_BADPRETRANS:
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rc = snprintf(buf, nb,
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_("package %s pre-transaction syscall(s): %s failed: %s"),
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pkgNEVR, str1, strerror(prob->ulong1));
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break;
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case RPMPROB_REQUIRES:
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rc = snprintf(buf, nb, _("%s is needed by %s%s"),
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altNEVR+2,
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(prob->ulong1 ? "" : _("(installed) ")), pkgNEVR);
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break;
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case RPMPROB_CONFLICT:
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rc = snprintf(buf, nb, _("%s conflicts with %s%s"),
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altNEVR+2,
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(prob->ulong1 ? "" : _("(installed) ")), pkgNEVR);
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break;
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default:
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rc = snprintf(buf, nb,
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_("unknown error %d encountered while manipulating package %s"),
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prob->type, pkgNEVR);
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break;
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}
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buf[nb] = '\0';
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return buf;
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}
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static int sameProblem(const rpmProblem ap, const rpmProblem bp)
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/*@*/
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{
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if (ap->type != bp->type)
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return 1;
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if (ap->pkgNEVR)
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if (bp->pkgNEVR && strcmp(ap->pkgNEVR, bp->pkgNEVR))
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return 1;
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if (ap->altNEVR)
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if (bp->altNEVR && strcmp(ap->altNEVR, bp->altNEVR))
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return 1;
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if (ap->str1)
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if (bp->str1 && strcmp(ap->str1, bp->str1))
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return 1;
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if (ap->ulong1 != bp->ulong1)
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return 1;
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return 0;
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}
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void rpmpsPrint(FILE *fp, rpmps ps)
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{
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const char * msg;
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int i;
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if (ps == NULL || ps->probs == NULL || ps->numProblems <= 0)
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return;
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if (fp == NULL)
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fp = stderr;
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for (i = 0; i < ps->numProblems; i++) {
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rpmProblem p;
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int j;
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p = ps->probs + i;
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if (p->ignoreProblem)
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continue;
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/* Filter already displayed problems. */
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for (j = 0; j < i; j++) {
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if (!sameProblem(p, ps->probs + j))
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/*@innerbreak@*/ break;
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}
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if (j < i)
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continue;
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msg = rpmProblemString(p);
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fprintf(fp, "\t%s\n", msg);
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msg = _free(msg);
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}
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}
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