Added new function for copying char ** (arrays)

2 files changed, 20 insertions, 0 deletions

diff --git a/eurephiadm/argparser.c b/eurephiadm/argparser.c
index 6272c77..5fb387e 100644
--- a/eurephiadm/argparser.c
+++ b/eurephiadm/argparser.c
@@ -19,6 +19,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 #define ARGPARSER_C
@@ -49,3 +50,21 @@ int _eurephia_getopt(const char *module, int curarg, int argc, char **argv, e_op
         fprintf(stderr, "%s: ERROR :: Unknown argument '%s'\n", module, arg);
         return -1;
 }
+
+
+// This function will take (argc,argv) and copy pointers over to (**outargv), starting from 
+// the index given in stidx (start index).  The outargv array must have been allocated first
+// by calloc(sizeof(char *), elmnts).  The outsize must not exceed the number of elements you
+// have allocated space for.  The function returns number of elements copied (the new argc, kind of)
+//
+size_t eurephia_arraycp(int stidx, int inargc, char **inargv, char **outargv, size_t outsize) {
+        int i, outargc;
+
+        outargc = 0;
+        for( i = stidx; ((i < inargc) && (outargc < outsize)); i++ ) {
+                fprintf(stderr, "(%i, %i) '%s'\n", i, outargc, inargv[i]);
+                outargv[outargc++] = inargv[i];
+        }
+
+        return outargc;
+}
diff --git a/eurephiadm/argparser.h b/eurephiadm/argparser.h
index d0076f8..842e14a 100644
--- a/eurephiadm/argparser.h
+++ b/eurephiadm/argparser.h
@@ -40,4 +40,5 @@ extern char *optargs[MAX_ARGUMENTS];
 int _eurephia_getopt(const char *module, int curarg, int argc, char **argv, e_options *argopts);
 #define eurephia_getopt(ca, ac, av, opts) _eurephia_getopt(MODULE, ca, ac, av, opts)
 
+size_t eurephia_arraycp(int stidx, int inargc, char **inargv, char **outargv, size_t outsize);
 #endif