diff options
Diffstat (limited to 'apt-pkg/deb')
-rw-r--r-- | apt-pkg/deb/deblistparser.cc | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 4948c9be4..d29b28d48 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -561,28 +561,27 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, // Parse an architecture if (I != Stop && *I == '[') { + ++I; // malformed - I++; - if (I == Stop) - return 0; - - const char *End = I; - bool Found = false; - bool NegArch = false; - while (I != Stop) + if (unlikely(I == Stop)) + return 0; + + const char *End = I; + bool Found = false; + bool NegArch = false; + while (I != Stop) { - // look for whitespace or ending ']' - while (End != Stop && !isspace(*End) && *End != ']') - End++; - - if (End == Stop) + // look for whitespace or ending ']' + for (;End != Stop && !isspace(*End) && *End != ']'; ++End); + + if (unlikely(End == Stop)) return 0; if (*I == '!') - { + { NegArch = true; - I++; - } + ++I; + } if (stringcmp(arch,I,End) == 0) { Found = true; @@ -591,23 +590,31 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, if (fnmatch(wildcard.c_str(), completeArch.c_str(), 0) == 0) Found = true; } - + + if (Found == true) + { + if (I[-1] != '!') + NegArch = false; + // we found a match, so fast-forward to the end of the wildcards + for (; End != Stop && *End != ']'; ++End); + } + if (*End++ == ']') { I = End; break; } - + I = End; for (;I != Stop && isspace(*I) != 0; I++); - } + } - if (NegArch) + if (NegArch == true) Found = !Found; - - if (Found == false) + + if (Found == false) Package = ""; /* not for this arch */ } - + // Skip whitespace for (;I != Stop && isspace(*I) != 0; I++); } |