Mac binaries
[jabaws.git] / website / archive / binaries / mac / src / fasta34 / getopt.c
diff --git a/website/archive/binaries/mac/src/fasta34/getopt.c b/website/archive/binaries/mac/src/fasta34/getopt.c
new file mode 100644 (file)
index 0000000..0d76146
--- /dev/null
@@ -0,0 +1,64 @@
+/*LINTLIBRARY*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ERR(s, c)      if(opterr){\
+       char errbuf[3];\
+       errbuf[0] = c; errbuf[1] = '\n'; errbuf[2]='\0';\
+       (void) fputs(argv[0],stderr);\
+       (void) fputs(s,stderr);\
+       (void) fputs(errbuf,stderr);}
+
+
+int    opterr = 1;
+int    optind = 1;
+int    optopt;
+char   *optarg;
+
+int
+getopt(argc, argv, opts)
+int    argc;
+char   **argv, *opts;
+{
+       static int sp = 1;
+       register int c;
+       register char *cp;
+
+       if(sp == 1)
+               if(optind >= argc ||
+                  argv[optind][0] != '-' || argv[optind][1] == '\0')
+                       return(EOF);
+               else if(strcmp(argv[optind], "--") == 0) {
+                       optind++;
+                       return(EOF);
+               }
+       optopt = c = argv[optind][sp];
+       if(c == ':' || (cp=strchr(opts, c)) == NULL) {
+               ERR(": illegal option -- ", c);
+               if(argv[optind][++sp] == '\0') {
+                       optind++;
+                       sp = 1;
+               }
+               return('?');
+       }
+       if(*++cp == ':') {
+               if(argv[optind][sp+1] != '\0')
+                       optarg = &argv[optind++][sp+1];
+               else if(++optind >= argc) {
+                       ERR(": option requires an argument -- ", c);
+                       sp = 1;
+                       return('?');
+               } else
+                       optarg = argv[optind++];
+               sp = 1;
+       } else {
+               if(argv[optind][++sp] == '\0') {
+                       sp = 1;
+                       optind++;
+               }
+               optarg = NULL;
+       }
+       return(c);
+}