- char buffer[101];
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- size_t len = 0;
-
- // Skip empty lines
- for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len)
- /* nothing */
- ;
- if (buffer[len] == '\0')
- continue;
-
- // seperate the tag from the data
- const char* dataStart = strchr(buffer + len, ':');
- if (dataStart == NULL)
- continue;
- len = dataStart - buffer;
- for (++dataStart; *dataStart == ' '; ++dataStart)
- /* nothing */
- ;
- const char* dataEnd = (const char*)rawmemchr(dataStart, '\0');
- // The last char should be a newline, but we can never be sure: #633350
- const char* lineEnd = dataEnd;
- for (--lineEnd; *lineEnd == '\r' || *lineEnd == '\n'; --lineEnd)
- /* nothing */
- ;
- ++lineEnd;
-
- // which datastorage need to be updated
- enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
- if (buffer[0] == ' ')
- ;
- #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X;
- APT_PARSER_WRITETO(Suite)
- APT_PARSER_WRITETO(Component)
- APT_PARSER_WRITETO(Version)
- APT_PARSER_WRITETO(Origin)
- APT_PARSER_WRITETO(Codename)
- APT_PARSER_WRITETO(Label)
- #undef APT_PARSER_WRITETO
- #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \
- pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, lineEnd);
- APT_PARSER_FLAGIT(NotAutomatic)
- APT_PARSER_FLAGIT(ButAutomaticUpgrades)
- #undef APT_PARSER_FLAGIT
-
- // load all data from the line and save it
- string data;
- if (writeTo != None)
- data.append(dataStart, dataEnd);
- if (sizeof(buffer) - 1 == (dataEnd - buffer))
- {
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- if (writeTo != None)
- data.append(buffer);
- if (strlen(buffer) != sizeof(buffer) - 1)
- break;
- }
- }
- if (writeTo != None)
- {
- // remove spaces and stuff from the end of the data line
- for (std::string::reverse_iterator s = data.rbegin();
- s != data.rend(); ++s)
- {
- if (*s != '\r' && *s != '\n' && *s != ' ')
- break;
- *s = '\0';
- }
- map_ptrloc const storage = WriteUniqString(data);
- switch (writeTo) {
- case Suite: FileI->Archive = storage; break;
- case Component: FileI->Component = storage; break;
- case Version: FileI->Version = storage; break;
- case Origin: FileI->Origin = storage; break;
- case Codename: FileI->Codename = storage; break;
- case Label: FileI->Label = storage; break;
- case None: break;
- }
- }
projects / apt.git / blobdiff