cherry pick 39a07ec8f2c612a5af234c7713571362f7ca90b4

[apt.git] / apt-pkg / tagfile.cc

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 79811899a9f6987567cc9113a141eeadeac9cee1..1c79ee74ffaecc559f2a2daad8a4f63d30bdcce2 100644 (file)
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -282,10 +282,17 @@ void pkgTagSection::Trim()
    for (; Stop > Section + 2 && (Stop[-2] == '\n' || Stop[-2] == '\r'); Stop--);
 }
                                                                        /*}}}*/
    for (; Stop > Section + 2 && (Stop[-2] == '\n' || Stop[-2] == '\r'); Stop--);
 }
                                                                        /*}}}*/

+// TagSection::Exists - return True if a tag exists                    /*{{{*/
+bool pkgTagSection::Exists(const char* const Tag)
+{
+   unsigned int tmp;
+   return Find(Tag, tmp);
+}
+                                                                       /*}}}*/

 // TagSection::Find - Locate a tag                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This searches the section for a tag that matches the given string. */
 // TagSection::Find - Locate a tag                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This searches the section for a tag that matches the given string. */

-bool pkgTagSection::Find(const char *Tag,unsigned &Pos) const
+bool pkgTagSection::Find(const char *Tag,unsigned int &Pos) const

 {
    unsigned int Length = strlen(Tag);
    unsigned int I = AlphaIndexes[AlphaHash(Tag)];
 {
    unsigned int Length = strlen(Tag);
    unsigned int I = AlphaIndexes[AlphaHash(Tag)];