mirror of
https://github.com/sheumann/hush.git
synced 2024-06-13 02:29:53 +00:00
Fixed segfault with 'cut -f 1 -d:' and added 'cut -s' suport.
Fix thanks to Arne Bernin <arne@matrix.loopback.org> -Erik
This commit is contained in:
Eric Andersen
parent
ef40aa81c5
commit
1386e70210
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@ -6,6 +6,8 @@
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* Fixed a nasty bug in tar when could mess up saved symlinks.
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* Fixed insmod module option parsing for options lacking an '='.
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Fix thanks to Marc Nijdam <marc_nijdam@hp.com>
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* Fixed segfault with 'cut -f 1 -d:' and added 'cut -s' suport.
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Fix thanks to Arne Bernin <arne@matrix.loopback.org>
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-Erik Andersen
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@ -51,15 +51,14 @@ int num_args;
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#define OPTIONC 2 /* define for mode: option -c */
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#define OPTIONB 3 /* define for mode: option -b */
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#define NOTSET 0 /* option not selected */
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#define SET 1 /* option selected */
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#define SET 1 /* option selected */
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#define OPTIONS 1 /*define option -s */
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/* Defines for the warnings */
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#define DELIMITER_NOT_APPLICABLE 0
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#define OVERRIDING_PREVIOUS_MODE 1
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#define OPTION_NOT_APPLICABLE 2
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#define UNKNOWN_OPTION 3
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#define FILE_NOT_READABLE 4
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/* Defines for the fatal errors */
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#define SYNTAX_ERROR 101
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#define POSITION_ERROR 102
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@ -75,6 +74,7 @@ FILE *fd;
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char *name;
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char line[BUFSIZ];
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int exit_status;
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int option = 0; /* for -s option */
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int cut_main(int argc, char **argv);
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void warn(int warn_number, char *option);
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@ -85,7 +85,7 @@ void cut(void);
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void warn(int warn_number, char *option)
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{
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static char *warn_msg[] = {
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"%s: Option -d allowed only with -f\n",
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"%s: Option -%s allowed only with -f\n",
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"%s: -%s overrides earlier option\n",
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"%s: -%s not allowed in current mode\n",
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"%s: Cannot open %s\n"
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@ -161,7 +161,8 @@ void cut()
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char *columns[MAX_FIELD];
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while (fgets(line, BUFSIZ, fd)) {
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length = strlen(line) - 1;
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maxcol=0;
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length = strlen(line) - 1;
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*(line + length) = 0;
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switch (mode) {
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case DUMP_STDIN:
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@ -182,11 +183,15 @@ void cut()
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for (i = 0; i < num_args; i++) {
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for (j = args[i * 2]; j <= args[i * 2 + 1]; j++)
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if (j <= maxcol) {
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printf("%s", columns[j - 1]);
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if (i != num_args - 1 || j != args[i * 2 + 1])
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putchar(delim);
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}
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}
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} else if (option != OPTIONS) {
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printf("%s",line);
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}
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break;
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case OPTIONC:
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@ -217,7 +222,8 @@ int cut_main(int argc, char **argv)
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"Options:\n"
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"\t-b LIST\tOutput only bytes from LIST\n"
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"\t-c LIST\tOutput only characters from LIST\n"
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"\t-d DELIM\tUse DELIM instead of tab as the field delimiter\n"
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"\t-d CHAR\tUse CHAR instead of tab as the field delimiter\n"
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"\t-s\tOnly output Lines if the include DELIM\n"
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"\t-f N\tPrint only these fields\n"
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"\t-n\tIgnored\n"
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#endif
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@ -229,7 +235,10 @@ int cut_main(int argc, char **argv)
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case 'd':
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if (mode == OPTIONC || mode == OPTIONB)
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warn(DELIMITER_NOT_APPLICABLE, "d");
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delim = argv[i++][0];
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if (argc > i)
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delim = argv[i++][0];
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else
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cuterror(SYNTAX_ERROR);
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break;
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case 'f':
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sprintf(line, "%s", argv[i++]);
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@ -248,6 +257,10 @@ int cut_main(int argc, char **argv)
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if (mode == OPTIONF || mode == OPTIONB)
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warn(OVERRIDING_PREVIOUS_MODE, "c");
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mode = OPTIONC;
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break;
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case 's':
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option = OPTIONS;
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break;
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case '\0': /* - means: read from stdin */
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numberFilenames++;
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@ -268,6 +281,9 @@ int cut_main(int argc, char **argv)
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/* Here follow the checks, if the selected options are reasonable. */
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if (mode == OPTIONB) /* since in Minix char := byte */
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mode = OPTIONC;
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if (mode != OPTIONF && option == OPTIONS)
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warn(DELIMITER_NOT_APPLICABLE,"s");
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get_args();
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if (numberFilenames != 0) {
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i = 1;
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30
cut.c
30
cut.c
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@ -51,15 +51,14 @@ int num_args;
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#define OPTIONC 2 /* define for mode: option -c */
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#define OPTIONB 3 /* define for mode: option -b */
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#define NOTSET 0 /* option not selected */
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#define SET 1 /* option selected */
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#define SET 1 /* option selected */
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#define OPTIONS 1 /*define option -s */
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/* Defines for the warnings */
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#define DELIMITER_NOT_APPLICABLE 0
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#define OVERRIDING_PREVIOUS_MODE 1
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#define OPTION_NOT_APPLICABLE 2
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#define UNKNOWN_OPTION 3
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#define FILE_NOT_READABLE 4
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/* Defines for the fatal errors */
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#define SYNTAX_ERROR 101
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#define POSITION_ERROR 102
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@ -75,6 +74,7 @@ FILE *fd;
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char *name;
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char line[BUFSIZ];
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int exit_status;
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int option = 0; /* for -s option */
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int cut_main(int argc, char **argv);
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void warn(int warn_number, char *option);
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@ -85,7 +85,7 @@ void cut(void);
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void warn(int warn_number, char *option)
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{
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static char *warn_msg[] = {
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"%s: Option -d allowed only with -f\n",
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"%s: Option -%s allowed only with -f\n",
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"%s: -%s overrides earlier option\n",
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"%s: -%s not allowed in current mode\n",
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"%s: Cannot open %s\n"
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@ -161,7 +161,8 @@ void cut()
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char *columns[MAX_FIELD];
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while (fgets(line, BUFSIZ, fd)) {
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length = strlen(line) - 1;
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maxcol=0;
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length = strlen(line) - 1;
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*(line + length) = 0;
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switch (mode) {
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case DUMP_STDIN:
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@ -182,11 +183,15 @@ void cut()
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for (i = 0; i < num_args; i++) {
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for (j = args[i * 2]; j <= args[i * 2 + 1]; j++)
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if (j <= maxcol) {
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printf("%s", columns[j - 1]);
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if (i != num_args - 1 || j != args[i * 2 + 1])
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putchar(delim);
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}
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}
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} else if (option != OPTIONS) {
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printf("%s",line);
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}
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break;
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case OPTIONC:
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@ -217,7 +222,8 @@ int cut_main(int argc, char **argv)
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"Options:\n"
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"\t-b LIST\tOutput only bytes from LIST\n"
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"\t-c LIST\tOutput only characters from LIST\n"
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"\t-d DELIM\tUse DELIM instead of tab as the field delimiter\n"
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"\t-d CHAR\tUse CHAR instead of tab as the field delimiter\n"
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"\t-s\tOnly output Lines if the include DELIM\n"
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"\t-f N\tPrint only these fields\n"
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"\t-n\tIgnored\n"
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#endif
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@ -229,7 +235,10 @@ int cut_main(int argc, char **argv)
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case 'd':
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if (mode == OPTIONC || mode == OPTIONB)
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warn(DELIMITER_NOT_APPLICABLE, "d");
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delim = argv[i++][0];
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if (argc > i)
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delim = argv[i++][0];
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else
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cuterror(SYNTAX_ERROR);
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break;
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case 'f':
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sprintf(line, "%s", argv[i++]);
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@ -248,6 +257,10 @@ int cut_main(int argc, char **argv)
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if (mode == OPTIONF || mode == OPTIONB)
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warn(OVERRIDING_PREVIOUS_MODE, "c");
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mode = OPTIONC;
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break;
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case 's':
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option = OPTIONS;
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break;
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case '\0': /* - means: read from stdin */
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numberFilenames++;
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@ -268,6 +281,9 @@ int cut_main(int argc, char **argv)
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/* Here follow the checks, if the selected options are reasonable. */
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if (mode == OPTIONB) /* since in Minix char := byte */
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mode = OPTIONC;
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if (mode != OPTIONF && option == OPTIONS)
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warn(DELIMITER_NOT_APPLICABLE,"s");
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get_args();
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if (numberFilenames != 0) {
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i = 1;
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@ -276,11 +276,12 @@ Prints selected fields from each input FILE to standard output.
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Options:
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-b LIST Output only bytes from LIST
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-c LIST Output only characters from LIST
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-d DELIM Use DELIM instead of tab as the field delimiter
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-f N Print only these fields
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-n Ignored
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-b LIST Output only bytes from LIST
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-c LIST Output only characters from LIST
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-d CHAR Use CHAR instead of tab as the field delimiter
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-s Only output Lines if the include DELIM
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-f N Print only these fields
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-n Ignored
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Example:
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@ -2062,4 +2063,4 @@ Enrique Zanardi <ezanardi@ull.es>
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=cut
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# $Id: busybox.pod,v 1.51 2000/06/21 22:53:24 andersen Exp $
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# $Id: busybox.pod,v 1.52 2000/06/26 12:14:30 andersen Exp $
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