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authorEric Andersen2000-06-26 12:14:30 +0000
committerEric Andersen2000-06-26 12:14:30 +0000
commit1386e7021015959443a3b601b224660848acdda4 (patch)
tree05cc6c41012fe0f7ff2df50a4ba84d4b5ced4d8f /coreutils
parentef40aa81c5024bc305a4e95f6edb76bae258cc2b (diff)
downloadbusybox-1386e7021015959443a3b601b224660848acdda4.zip
busybox-1386e7021015959443a3b601b224660848acdda4.tar.gz
Fixed segfault with 'cut -f 1 -d:' and added 'cut -s' suport.
Fix thanks to Arne Bernin <arne@matrix.loopback.org> -Erik
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/cut.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/coreutils/cut.c b/coreutils/cut.c
index 7b183e8..a8a9d7f 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -51,15 +51,14 @@ int num_args;
#define OPTIONC 2 /* define for mode: option -c */
#define OPTIONB 3 /* define for mode: option -b */
#define NOTSET 0 /* option not selected */
-#define SET 1 /* option selected */
-
+#define SET 1 /* option selected */
+#define OPTIONS 1 /*define option -s */
/* Defines for the warnings */
#define DELIMITER_NOT_APPLICABLE 0
#define OVERRIDING_PREVIOUS_MODE 1
#define OPTION_NOT_APPLICABLE 2
#define UNKNOWN_OPTION 3
#define FILE_NOT_READABLE 4
-
/* Defines for the fatal errors */
#define SYNTAX_ERROR 101
#define POSITION_ERROR 102
@@ -75,6 +74,7 @@ FILE *fd;
char *name;
char line[BUFSIZ];
int exit_status;
+int option = 0; /* for -s option */
int cut_main(int argc, char **argv);
void warn(int warn_number, char *option);
@@ -85,7 +85,7 @@ void cut(void);
void warn(int warn_number, char *option)
{
static char *warn_msg[] = {
- "%s: Option -d allowed only with -f\n",
+ "%s: Option -%s allowed only with -f\n",
"%s: -%s overrides earlier option\n",
"%s: -%s not allowed in current mode\n",
"%s: Cannot open %s\n"
@@ -161,7 +161,8 @@ void cut()
char *columns[MAX_FIELD];
while (fgets(line, BUFSIZ, fd)) {
- length = strlen(line) - 1;
+ maxcol=0;
+ length = strlen(line) - 1;
*(line + length) = 0;
switch (mode) {
case DUMP_STDIN:
@@ -182,11 +183,15 @@ void cut()
for (i = 0; i < num_args; i++) {
for (j = args[i * 2]; j <= args[i * 2 + 1]; j++)
if (j <= maxcol) {
+
printf("%s", columns[j - 1]);
+
if (i != num_args - 1 || j != args[i * 2 + 1])
putchar(delim);
}
}
+ } else if (option != OPTIONS) {
+ printf("%s",line);
}
break;
case OPTIONC:
@@ -217,7 +222,8 @@ int cut_main(int argc, char **argv)
"Options:\n"
"\t-b LIST\tOutput only bytes from LIST\n"
"\t-c LIST\tOutput only characters from LIST\n"
- "\t-d DELIM\tUse DELIM instead of tab as the field delimiter\n"
+ "\t-d CHAR\tUse CHAR instead of tab as the field delimiter\n"
+ "\t-s\tOnly output Lines if the include DELIM\n"
"\t-f N\tPrint only these fields\n"
"\t-n\tIgnored\n"
#endif
@@ -229,7 +235,10 @@ int cut_main(int argc, char **argv)
case 'd':
if (mode == OPTIONC || mode == OPTIONB)
warn(DELIMITER_NOT_APPLICABLE, "d");
- delim = argv[i++][0];
+ if (argc > i)
+ delim = argv[i++][0];
+ else
+ cuterror(SYNTAX_ERROR);
break;
case 'f':
sprintf(line, "%s", argv[i++]);
@@ -249,6 +258,10 @@ int cut_main(int argc, char **argv)
warn(OVERRIDING_PREVIOUS_MODE, "c");
mode = OPTIONC;
break;
+ case 's':
+ option = OPTIONS;
+
+ break;
case '\0': /* - means: read from stdin */
numberFilenames++;
break;
@@ -268,6 +281,9 @@ int cut_main(int argc, char **argv)
/* Here follow the checks, if the selected options are reasonable. */
if (mode == OPTIONB) /* since in Minix char := byte */
mode = OPTIONC;
+
+ if (mode != OPTIONF && option == OPTIONS)
+ warn(DELIMITER_NOT_APPLICABLE,"s");
get_args();
if (numberFilenames != 0) {
i = 1;