summaryrefslogtreecommitdiff
path: root/tar.c
diff options
context:
space:
mode:
Diffstat (limited to 'tar.c')
-rw-r--r--tar.c83
1 files changed, 42 insertions, 41 deletions
diff --git a/tar.c b/tar.c
index 9ad41be..c238059 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;
/*
generated by cgit v1.1 at 2024-12-29 14:03:48 +0000