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Use getopt (or getopt_long).

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This commit is contained in:
Matt Kraai 2001-01-22 20:49:00 +00:00
parent 8f8dab94e5
commit 3b3f5c364a
3 changed files with 153 additions and 163 deletions
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157
archival/tar.c
View File

@ -163,7 +163,7 @@ extern int tar_unzip_init(int tarFd)
if (pipe(unzip_pipe)!=0) if (pipe(unzip_pipe)!=0)
error_msg_and_die("pipe error\n"); error_msg_and_die("pipe error\n");
if ( (child_pid = fork()) == -1) if ( (child_pid = fork()) == -1)
error_msg_and_die("fork failure\n"); error_msg_and_die("fork failure\n");
@ -182,6 +182,13 @@ extern int tar_unzip_init(int tarFd)
} }
#endif #endif
#if defined BB_FEATURE_TAR_EXCLUDE
struct option longopts[] = {
{ "exclude", 1, NULL, 'e' },
{ NULL, 0, NULL, 0 }
};
#endif
extern int tar_main(int argc, char **argv) extern int tar_main(int argc, char **argv)
{ {
char** excludeList=NULL; char** excludeList=NULL;
@ -189,7 +196,6 @@ extern int tar_main(int argc, char **argv)
const char *tarName="-"; const char *tarName="-";
#if defined BB_FEATURE_TAR_EXCLUDE #if defined BB_FEATURE_TAR_EXCLUDE
int excludeListSize=0; int excludeListSize=0;
char *excludeFileName ="-";
FILE *fileList; FILE *fileList;
char file[256]; char file[256];
#endif #endif
@ -202,95 +208,84 @@ extern int tar_main(int argc, char **argv)
int verboseFlag = FALSE; int verboseFlag = FALSE;
int tostdoutFlag = FALSE; int tostdoutFlag = FALSE;
int status = FALSE; int status = FALSE;
int firstOpt = TRUE; int opt;
int stopIt;
if (argc <= 1) if (argc <= 1)
usage(tar_usage); usage(tar_usage);
while (*(++argv) && (**argv == '-' || firstOpt == TRUE)) { if (argv[1][0] != '-') {
firstOpt=FALSE; char *tmp = xmalloc(strlen(argv[1]) + 2);
stopIt=FALSE; tmp[0] = '-';
while (stopIt==FALSE && **argv) { strcpy(tmp + 1, argv[1]);
switch (*((*argv)++)) { argv[1] = tmp;
case 'c': }
if (extractFlag == TRUE || listFlag == TRUE)
goto flagError; while (
createFlag = TRUE; #ifndef BB_FEATURE_TAR_EXCLUDE
break; (opt = getopt(argc, argv, "cxtzvOf:"))
case 'x': #else
if (listFlag == TRUE || createFlag == TRUE) (opt = getopt_long(argc, argv, "cxtzvOf:X:", longopts, NULL))
goto flagError; #endif
extractFlag = TRUE; > 0) {
break; switch (opt) {
case 't': case 'c':
if (extractFlag == TRUE || createFlag == TRUE) if (extractFlag == TRUE || listFlag == TRUE)
goto flagError; goto flagError;
listFlag = TRUE; createFlag = TRUE;
break; break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
case 't':
if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
listFlag = TRUE;
break;
#ifdef BB_FEATURE_TAR_GZIP #ifdef BB_FEATURE_TAR_GZIP
case 'z': case 'z':
unzipFlag = TRUE; unzipFlag = TRUE;
break; break;
#endif #endif
case 'v': case 'v':
verboseFlag = TRUE; verboseFlag = TRUE;
break; break;
case 'O': case 'O':
tostdoutFlag = TRUE; tostdoutFlag = TRUE;
break; break;
case 'f': case 'f':
if (*tarName != '-') if (*tarName != '-')
error_msg_and_die( "Only one 'f' option allowed\n"); error_msg_and_die( "Only one 'f' option allowed\n");
tarName = *(++argv); tarName = optarg;
if (tarName == NULL) break;
error_msg_and_die( "Option requires an argument: No file specified\n");
stopIt=TRUE;
break;
#if defined BB_FEATURE_TAR_EXCLUDE #if defined BB_FEATURE_TAR_EXCLUDE
case 'e': case 'e':
if (strcmp(*argv, "xclude")==0) { excludeList=xrealloc( excludeList,
excludeList=xrealloc( excludeList, sizeof(char *) * (excludeListSize+2));
sizeof(char *) * (excludeListSize+2)); excludeList[excludeListSize] = optarg;
excludeList[excludeListSize] = *(++argv); /* Tack a NULL onto the end of the list */
if (excludeList[excludeListSize] == NULL) excludeList[++excludeListSize] = NULL;
error_msg_and_die( "Option requires an argument: No file specified\n"); case 'X':
/* Tack a NULL onto the end of the list */ fileList = xfopen(optarg, "r");
excludeList[++excludeListSize] = NULL; while (fgets(file, sizeof(file), fileList) != NULL) {
stopIt=TRUE; excludeList = xrealloc(excludeList,
break; sizeof(char *) * (excludeListSize+2));
} if (file[strlen(file)-1] == '\n')
case 'X': file[strlen(file)-1] = '\0';
if (*excludeFileName != '-') excludeList[excludeListSize] = xstrdup(file);
error_msg_and_die("Only one 'X' option allowed\n"); /* Tack a NULL onto the end of the list */
excludeFileName = *(++argv); excludeList[++excludeListSize] = NULL;
if (excludeFileName == NULL) }
error_msg_and_die("Option requires an argument: No file specified\n"); fclose(fileList);
fileList = fopen (excludeFileName, "r"); break;
if (! fileList)
error_msg_and_die("Exclude file: file not found\n");
while (fgets(file, sizeof(file), fileList) != NULL) {
excludeList = xrealloc(excludeList,
sizeof(char *) * (excludeListSize+2));
if (file[strlen(file)-1] == '\n')
file[strlen(file)-1] = '\0';
excludeList[excludeListSize] = xstrdup(file);
/* Tack a NULL onto the end of the list */
excludeList[++excludeListSize] = NULL;
}
fclose(fileList);
stopIt=TRUE;
break;
#endif #endif
case '-':
break;
default: default:
usage(tar_usage); usage(tar_usage);
}
} }
} }
/* /*
* Do the correct type of action supplying the rest of the * Do the correct type of action supplying the rest of the
* command line arguments as the list of files to process. * command line arguments as the list of files to process.
*/ */
@ -302,13 +297,13 @@ extern int tar_main(int argc, char **argv)
if (unzipFlag==TRUE) if (unzipFlag==TRUE)
error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n"); error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n");
#endif #endif
status = writeTarFile(tarName, verboseFlag, argv, excludeList); status = writeTarFile(tarName, verboseFlag, argv + optind, excludeList);
#endif #endif
} }
if (listFlag == TRUE || extractFlag == TRUE) { if (listFlag == TRUE || extractFlag == TRUE) {
int tarFd; int tarFd;
if (*argv) if (argv[optind])
extractList = argv; extractList = argv + optind;
/* Open the tar file for reading. */ /* Open the tar file for reading. */
if (!strcmp(tarName, "-")) if (!strcmp(tarName, "-"))
tarFd = fileno(stdin); tarFd = fileno(stdin);

157
tar.c
View File

@ -163,7 +163,7 @@ extern int tar_unzip_init(int tarFd)
if (pipe(unzip_pipe)!=0) if (pipe(unzip_pipe)!=0)
error_msg_and_die("pipe error\n"); error_msg_and_die("pipe error\n");
if ( (child_pid = fork()) == -1) if ( (child_pid = fork()) == -1)
error_msg_and_die("fork failure\n"); error_msg_and_die("fork failure\n");
@ -182,6 +182,13 @@ extern int tar_unzip_init(int tarFd)
} }
#endif #endif
#if defined BB_FEATURE_TAR_EXCLUDE
struct option longopts[] = {
{ "exclude", 1, NULL, 'e' },
{ NULL, 0, NULL, 0 }
};
#endif
extern int tar_main(int argc, char **argv) extern int tar_main(int argc, char **argv)
{ {
char** excludeList=NULL; char** excludeList=NULL;
@ -189,7 +196,6 @@ extern int tar_main(int argc, char **argv)
const char *tarName="-"; const char *tarName="-";
#if defined BB_FEATURE_TAR_EXCLUDE #if defined BB_FEATURE_TAR_EXCLUDE
int excludeListSize=0; int excludeListSize=0;
char *excludeFileName ="-";
FILE *fileList; FILE *fileList;
char file[256]; char file[256];
#endif #endif
@ -202,95 +208,84 @@ extern int tar_main(int argc, char **argv)
int verboseFlag = FALSE; int verboseFlag = FALSE;
int tostdoutFlag = FALSE; int tostdoutFlag = FALSE;
int status = FALSE; int status = FALSE;
int firstOpt = TRUE; int opt;
int stopIt;
if (argc <= 1) if (argc <= 1)
usage(tar_usage); usage(tar_usage);
while (*(++argv) && (**argv == '-' || firstOpt == TRUE)) { if (argv[1][0] != '-') {
firstOpt=FALSE; char *tmp = xmalloc(strlen(argv[1]) + 2);
stopIt=FALSE; tmp[0] = '-';
while (stopIt==FALSE && **argv) { strcpy(tmp + 1, argv[1]);
switch (*((*argv)++)) { argv[1] = tmp;
case 'c': }
if (extractFlag == TRUE || listFlag == TRUE)
goto flagError; while (
createFlag = TRUE; #ifndef BB_FEATURE_TAR_EXCLUDE
break; (opt = getopt(argc, argv, "cxtzvOf:"))
case 'x': #else
if (listFlag == TRUE || createFlag == TRUE) (opt = getopt_long(argc, argv, "cxtzvOf:X:", longopts, NULL))
goto flagError; #endif
extractFlag = TRUE; > 0) {
break; switch (opt) {
case 't': case 'c':
if (extractFlag == TRUE || createFlag == TRUE) if (extractFlag == TRUE || listFlag == TRUE)
goto flagError; goto flagError;
listFlag = TRUE; createFlag = TRUE;
break; break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
case 't':
if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
listFlag = TRUE;
break;
#ifdef BB_FEATURE_TAR_GZIP #ifdef BB_FEATURE_TAR_GZIP
case 'z': case 'z':
unzipFlag = TRUE; unzipFlag = TRUE;
break; break;
#endif #endif
case 'v': case 'v':
verboseFlag = TRUE; verboseFlag = TRUE;
break; break;
case 'O': case 'O':
tostdoutFlag = TRUE; tostdoutFlag = TRUE;
break; break;
case 'f': case 'f':
if (*tarName != '-') if (*tarName != '-')
error_msg_and_die( "Only one 'f' option allowed\n"); error_msg_and_die( "Only one 'f' option allowed\n");
tarName = *(++argv); tarName = optarg;
if (tarName == NULL) break;
error_msg_and_die( "Option requires an argument: No file specified\n");
stopIt=TRUE;
break;
#if defined BB_FEATURE_TAR_EXCLUDE #if defined BB_FEATURE_TAR_EXCLUDE
case 'e': case 'e':
if (strcmp(*argv, "xclude")==0) { excludeList=xrealloc( excludeList,
excludeList=xrealloc( excludeList, sizeof(char *) * (excludeListSize+2));
sizeof(char *) * (excludeListSize+2)); excludeList[excludeListSize] = optarg;
excludeList[excludeListSize] = *(++argv); /* Tack a NULL onto the end of the list */
if (excludeList[excludeListSize] == NULL) excludeList[++excludeListSize] = NULL;
error_msg_and_die( "Option requires an argument: No file specified\n"); case 'X':
/* Tack a NULL onto the end of the list */ fileList = xfopen(optarg, "r");
excludeList[++excludeListSize] = NULL; while (fgets(file, sizeof(file), fileList) != NULL) {
stopIt=TRUE; excludeList = xrealloc(excludeList,
break; sizeof(char *) * (excludeListSize+2));
} if (file[strlen(file)-1] == '\n')
case 'X': file[strlen(file)-1] = '\0';
if (*excludeFileName != '-') excludeList[excludeListSize] = xstrdup(file);
error_msg_and_die("Only one 'X' option allowed\n"); /* Tack a NULL onto the end of the list */
excludeFileName = *(++argv); excludeList[++excludeListSize] = NULL;
if (excludeFileName == NULL) }
error_msg_and_die("Option requires an argument: No file specified\n"); fclose(fileList);
fileList = fopen (excludeFileName, "r"); break;
if (! fileList)
error_msg_and_die("Exclude file: file not found\n");
while (fgets(file, sizeof(file), fileList) != NULL) {
excludeList = xrealloc(excludeList,
sizeof(char *) * (excludeListSize+2));
if (file[strlen(file)-1] == '\n')
file[strlen(file)-1] = '\0';
excludeList[excludeListSize] = xstrdup(file);
/* Tack a NULL onto the end of the list */
excludeList[++excludeListSize] = NULL;
}
fclose(fileList);
stopIt=TRUE;
break;
#endif #endif
case '-':
break;
default: default:
usage(tar_usage); usage(tar_usage);
}
} }
} }
/* /*
* Do the correct type of action supplying the rest of the * Do the correct type of action supplying the rest of the
* command line arguments as the list of files to process. * command line arguments as the list of files to process.
*/ */
@ -302,13 +297,13 @@ extern int tar_main(int argc, char **argv)
if (unzipFlag==TRUE) if (unzipFlag==TRUE)
error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n"); error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n");
#endif #endif
status = writeTarFile(tarName, verboseFlag, argv, excludeList); status = writeTarFile(tarName, verboseFlag, argv + optind, excludeList);
#endif #endif
} }
if (listFlag == TRUE || extractFlag == TRUE) { if (listFlag == TRUE || extractFlag == TRUE) {
int tarFd; int tarFd;
if (*argv) if (argv[optind])
extractList = argv; extractList = argv + optind;
/* Open the tar file for reading. */ /* Open the tar file for reading. */
if (!strcmp(tarName, "-")) if (!strcmp(tarName, "-"))
tarFd = fileno(stdin); tarFd = fileno(stdin);

2
utility.c
View File

@ -1711,7 +1711,7 @@ FILE *wfopen(const char *path, const char *mode)
#endif #endif
#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \ #if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
|| defined BB_SED || defined BB_SH || defined BB_UNIQ \ || defined BB_SED || defined BB_SH || defined BB_TAR || defined BB_UNIQ \
|| defined BB_WC || defined BB_CMP || defined BB_WC || defined BB_CMP
FILE *xfopen(const char *path, const char *mode) FILE *xfopen(const char *path, const char *mode)
{ {