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authorGuido van Rossum <guido@python.org>1994-04-28 12:33:58 (GMT)
committerGuido van Rossum <guido@python.org>1994-04-28 12:33:58 (GMT)
commit871b805a04af274197f76993b8e17df75f6240a4 (patch)
treeca4eee9d6a2c51dbd95e7368ae3c3fd765889530
parenta83d954912dfc0d3bb938da234677f410bc35030 (diff)
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New version handles -o<string> same as -o <string>
-rw-r--r--Python/getopt.c93
1 files changed, 62 insertions, 31 deletions
diff --git a/Python/getopt.c b/Python/getopt.c
index 0217550..e1ec698 100644
--- a/Python/getopt.c
+++ b/Python/getopt.c
@@ -1,12 +1,36 @@
-/* An implementation of getopt() by Amrit Prem */
+/*---------------------------------------------------------------------------*
+ * <RCS keywords>
+ *
+ * C++ Library
+ *
+ * Copyright 1992-1994, David Gottner
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice, this permission notice and
+ * the following disclaimer notice appear unmodified in all copies.
+ *
+ * I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL I
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+ * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Nevertheless, I would like to know about bugs in this library or
+ * suggestions for improvment. Send bug reports and feedback to
+ * davegottner@delphi.com.
+ *---------------------------------------------------------------------------*/
#include <stdio.h>
#include <string.h>
-#define bool int
-#define TRUE 1
-#define FALSE 0
-#define EOS '\0'
+#define bool int
+#define TRUE 1
+#define FALSE 0
+
bool opterr = TRUE; /* generate error messages */
int optind = 1; /* index into argv array */
@@ -15,40 +39,47 @@ char * optarg = NULL; /* optional argument */
int getopt(int argc, char *argv[], const char optstring[])
{
- static char *opt_ptr = "";
- register char *ptr;
- int option;
+ static char *opt_ptr = "";
+ register char *ptr;
+ int option;
- if (*opt_ptr == EOS) {
+ if (*opt_ptr == '\0') {
- if (optind >= argc || argv[optind][0] != '-')
- return -1;
+ if (optind >= argc || argv[optind][0] != '-')
+ return -1;
- else if (strcmp(argv[optind], "--") == 0) {
- ++optind;
- return -1;
- }
+ else if (strcmp(argv[optind], "--") == 0) {
+ ++optind;
+ return -1;
+ }
- opt_ptr = argv[optind++] + 1;
- }
+ opt_ptr = &argv[optind++][1];
+ }
- if ((ptr = strchr(optstring, option = *opt_ptr++)) == NULL) {
- if (opterr)
- fprintf(stderr, "Unknown option: -%c\n", option);
+ if ((ptr = strchr(optstring, option = *opt_ptr++)) == NULL) {
+ if (opterr)
+ fprintf(stderr, "Unknown option: -%c\n", option);
- return '?';
- }
+ return '?';
+ }
- if (*(ptr + 1) == ':') {
- if (optind >= argc) {
- if (opterr)
- fprintf(stderr, "Argument expected for the -%c option\n", option);
+ if (*(ptr + 1) == ':') {
+ if (*opt_ptr != '\0') {
+ optarg = opt_ptr;
+ opt_ptr = "";
+ }
- return '?';
- }
+ else {
+ if (optind >= argc) {
+ if (opterr)
+ fprintf(stderr,
+ "Argument expected for the -%c option\n", option);
+ return '?';
+ }
- optarg = argv[optind++];
- }
+ optarg = argv[optind++];
+ }
+ }
- return option;
+ return option;
}