On Fri, May 12, 2017 at 04:26:43PM +0200, Martin Kletzander wrote:
> On Fri, May 12, 2017 at 02:57:54PM +0200, Pavel Hrdina wrote:
> >Simply tries to match the provided regex on a string and returns
> >the result. Useful if caller don't care about the matched substring
> >and want to just test if some pattern patches a string.
> >
> >Signed-off-by: Pavel Hrdina <phrd...@redhat.com>
> >---
> >
> >changes in v2:
> > - virStringMatch returns bool instead of int
> >
> > src/libvirt_private.syms | 1 +
> > src/util/virstring.c | 33 +++++++++++++++++++++++++++++++++
> > src/util/virstring.h | 3 +++
> > tests/virstringtest.c | 47
> > +++++++++++++++++++++++++++++++++++++++++++++++
> > 4 files changed, 84 insertions(+)
> >
> >diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> >index afb9100c50..d32c6e7549 100644
> >--- a/src/libvirt_private.syms
> >+++ b/src/libvirt_private.syms
> >@@ -2621,6 +2621,7 @@ virStringListHasString;
> > virStringListJoin;
> > virStringListLength;
> > virStringListRemove;
> >+virStringMatch;
> > virStringReplace;
> > virStringSearch;
> > virStringSortCompare;
> >diff --git a/src/util/virstring.c b/src/util/virstring.c
> >index 335e773d78..c8d6b0ca02 100644
> >--- a/src/util/virstring.c
> >+++ b/src/util/virstring.c
> >@@ -979,6 +979,39 @@ virStringSearch(const char *str,
> > }
> >
> > /**
> >+ * virStringMatch:
> >+ * @str: string to match
> >+ * @regexp: POSIX Extended regular expression pattern used for matching
> >+ *
> >+ * Performs a POSIX extended regex match against a string.
> >+ * Returns true on match, false on error or no match.
> >+ */
> >+bool
> >+virStringMatch(const char *str,
> >+ const char *regexp)
> >+{
> >+ regex_t re;
> >+ int rv;
> >+
> >+ VIR_DEBUG("match '%s' for '%s'", str, regexp);
> >+
> >+ if ((rv = regcomp(&re, regexp, REG_EXTENDED | REG_NOSUB)) != 0) {
> >+ char error[100];
> >+ regerror(rv, &re, error, sizeof(error));
> >+ virReportError(VIR_ERR_INTERNAL_ERROR,
> >+ _("error while compiling regular expression '%s':
> >%s"),
> >+ regexp, error);
> >+ return false;
>
> Don't report the error, just return false. Or do VIR_WARN() if you
> want. The conversion to bool was meant together with the fact that
> lastError should not be set.
>
> ACK with that.I'll go with VIR_WARN(), thanks. Pavel
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