From 5556c1874b498afcb3b07ebeeed0beed4a97fd68 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 10 Nov 1999 19:27:58 +0000 Subject: Maybe works now... -Erik --- tar.c | 83 ++++++++++++++++++++++++++++++++++--------------------------------- 1 file changed, 42 insertions(+), 41 deletions(-) (limited to 'tar.c') diff --git a/tar.c b/tar.c index 9ad41bea8..c23805993 100644 --- a/tar.c +++ b/tar.c @@ -40,10 +40,10 @@ * Some time this should be integrated a bit better, but this * does the job for now. */ -#undef FALSE -#undef TRUE -#define FALSE ((int) 0) -#define TRUE ((int) 1) +//#undef FALSE +//#undef TRUE +//#define FALSE ((int) 0) +//#define TRUE ((int) 1) static const char tar_usage[] = @@ -96,18 +96,18 @@ typedef struct { /* * Static data. */ -static int listFlag; -static int extractFlag; -static int createFlag; -static int verboseFlag; -static int tostdoutFlag; - -static int inHeader; -static int badHeader; -static int errorFlag; -static int skipFileFlag; -static int warnedRoot; -static int eofFlag; +static int listFlag; // +static int extractFlag; // +static int createFlag; // +static int verboseFlag; // +static int tostdoutFlag; // + +static int inHeader; // <- check me +static int badHeader; // +static int errorFlag; // +static int skipFileFlag; // +static int warnedRoot; // +static int eofFlag; // static long dataCc; static int outFd; static char outName[TAR_NAME_SIZE]; @@ -136,7 +136,7 @@ static void readHeader (const TarHeader * hp, /* * Local procedures to save files into a tar file. */ -static void saveFile (const char *fileName, int seeLinks); +static void saveFile (const char *fileName, int seeLinks); // static void saveRegularFile (const char *fileName, const struct stat *statbuf); @@ -145,13 +145,13 @@ static void saveDirectory (const char *fileName, const struct stat *statbuf); static int wantFileName (const char *fileName, - int fileCount, char **fileTable); + int fileCount, char **fileTable); // static void writeHeader (const char *fileName, const struct stat *statbuf); static void writeTarFile (int fileCount, char **fileTable); static void writeTarBlock (const char *buf, int len); -static int putOctal (char *cp, int len, long value); +static int putOctal (char *cp, int len, long value); // extern int tar_main (int argc, char **argv) @@ -230,7 +230,8 @@ extern int tar_main (int argc, char **argv) /* * Validate the options. */ - if (extractFlag + listFlag + createFlag != 1) { + fprintf(stderr, "TRUE=%d FALSE=%d\n", TRUE, FALSE); + if (extractFlag + listFlag + createFlag != (TRUE+FALSE+FALSE)) { fprintf (stderr, "Exactly one of 'c', 'x' or 't' must be specified\n"); @@ -241,13 +242,13 @@ extern int tar_main (int argc, char **argv) * Do the correct type of action supplying the rest of the * command line arguments as the list of files to process. */ - if (createFlag) + if (createFlag==TRUE) writeTarFile (argc, argv); else readTarFile (argc, argv); - if (errorFlag) + if (errorFlag==TRUE) fprintf (stderr, "\n"); - exit (errorFlag); + exit (!errorFlag); } @@ -292,7 +293,7 @@ static void readTarFile (int fileCount, char **fileTable) * Read blocks from the file until an end of file header block * has been seen. (A real end of file from a read is an error.) */ - while (!eofFlag) { + while (eofFlag==FALSE) { /* * Read the next block of data if necessary. * This will be a large block if possible, which we will @@ -319,7 +320,7 @@ static void readTarFile (int fileCount, char **fileTable) /* * If we are expecting a header block then examine it. */ - if (inHeader) { + if (inHeader==TRUE) { readHeader ((const TarHeader *) cp, fileCount, fileTable); cp += TAR_BLOCK_SIZE; @@ -419,7 +420,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) checkSum = getOctal (hp->checkSum, sizeof (hp->checkSum)); if ((mode < 0) || (uid < 0) || (gid < 0) || (size < 0)) { - if (!badHeader) + if (badHeader==FALSE) fprintf (stderr, "Bad tar header, skipping\n"); badHeader = TRUE; @@ -455,7 +456,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) while (*name == '/') name++; - if (!warnedRoot) { + if (warnedRoot==FALSE) { fprintf (stderr, "Absolute path detected, removing leading slashes\n"); } @@ -467,9 +468,9 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) * See if we want this file to be restored. * If not, then set up to skip it. */ - if (!wantFileName (name, fileCount, fileTable)) { + if (wantFileName (name, fileCount, fileTable) == FALSE) { if (!hardLink && !softLink && S_ISREG (mode)) { - inHeader = (size == 0); + inHeader = (size == 0)? TRUE : FALSE; dataCc = size; } @@ -482,8 +483,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) * This file is to be handled. * If we aren't extracting then just list information about the file. */ - if (!extractFlag) { - if (verboseFlag) { + if (extractFlag==FALSE) { + if (verboseFlag==TRUE) { printf ("%s %3d/%-d %9ld %s %s", modeString (mode), uid, gid, size, timeString (mtime), name); } else @@ -494,7 +495,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) else if (softLink) printf (" (symlink to \"%s\")", hp->linkName); else if (S_ISREG (mode)) { - inHeader = (size == 0); + inHeader = (size == 0)? TRUE : FALSE; dataCc = size; } @@ -506,7 +507,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) /* * We really want to extract the file. */ - if (verboseFlag) + if (verboseFlag==TRUE) printf ("x %s\n", name); if (hardLink) { @@ -541,7 +542,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) */ createPath (name, 0777); - inHeader = (size == 0); + inHeader = (size == 0)? TRUE : FALSE; dataCc = size; /* @@ -587,7 +588,7 @@ static void readData (const char *cp, int count) * If we aren't extracting files or this file is being * skipped then do nothing more. */ - if (!extractFlag || skipFileFlag) + if (extractFlag==FALSE || skipFileFlag==TRUE) return; /* @@ -662,7 +663,7 @@ static void writeTarFile (int fileCount, char **fileTable) * Append each file name into the archive file. * Follow symbolic links for these top level file names. */ - while (!errorFlag && (fileCount-- > 0)) { + while (errorFlag==FALSE && (fileCount-- > 0)) { saveFile (*fileTable++, FALSE); } @@ -694,7 +695,7 @@ static void saveFile (const char *fileName, int seeLinks) int mode; struct stat statbuf; - if (verboseFlag) + if (verboseFlag==TRUE) printf ("a %s\n", fileName); /* @@ -710,7 +711,7 @@ static void saveFile (const char *fileName, int seeLinks) * Find out about the file. */ #ifdef S_ISLNK - if (seeLinks) + if (seeLinks==TRUE) status = lstat (fileName, &statbuf); else #endif @@ -810,7 +811,7 @@ saveRegularFile (const char *fileName, const struct stat *statbuf) */ cc = 0; - if (!sawEof) { + if (sawEof==FALSE) { cc = fullRead (fileFd, data, dataCount); if (cc < 0) { @@ -899,7 +900,7 @@ static void saveDirectory (const char *dirName, const struct stat *statbuf) * Read all of the directory entries and check them, * except for the current and parent directory entries. */ - while (!errorFlag && ((entry = readdir (dir)) != NULL)) { + while (errorFlag==FALSE && ((entry = readdir (dir)) != NULL)) { if ((strcmp (entry->d_name, ".") == 0) || (strcmp (entry->d_name, "..") == 0)) { continue; @@ -998,7 +999,7 @@ static void writeTarBlock (const char *buf, int len) /* * If we had a write error before, then do nothing more. */ - if (errorFlag) + if (errorFlag==TRUE) return; /* -- cgit v1.2.3