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[mLib] / str.c

diff --git a/str.c b/str.c
index 51a980501800948a85abf8c0da22cb473244d2af..b6e481309ab8ff31b6c03d9946b41a8ca67f3241 100644 (file)
--- a/str.c
+++ b/str.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
 /* -*-c-*-
  *

- * $Id: str.c,v 1.1 1999/05/17 20:37:01 mdw Exp $
+ * $Id: str.c,v 1.2 1999/05/26 20:52:57 mdw Exp $

  *
  * Functions for hacking with strings
  *
  *
  * Functions for hacking with strings
  *


@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: str.c,v $
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: str.c,v $

+ * Revision 1.2  1999/05/26 20:52:57  mdw
+ * Add new `rest' argument for `str_split'.
+ *

  * Revision 1.1  1999/05/17 20:37:01  mdw
  * Some trivial string hacks.
  *
  * Revision 1.1  1999/05/17 20:37:01  mdw
  * Some trivial string hacks.
  *


@@ -83,6 +86,7 @@ char *str_getword(char **pp)
  * Arguments:  @char *p@ = pointer to string
  *             @char *v[]@ = pointer to array to fill in
  *             @size_t c@ = count of strings to fill in
  * Arguments:  @char *p@ = pointer to string
  *             @char *v[]@ = pointer to array to fill in
  *             @size_t c@ = count of strings to fill in

+ *             @char **rest@ = where to store the remainder of the string

  *
  * Returns:    Number of strings filled in.
  *
  *
  * Returns:    Number of strings filled in.
  *


@@ -92,10 +96,12 @@ char *str_getword(char **pp)
  *             and trailing space stripped off.  No more than @c@ words
  *             are read; the actual number is returned as the value of the
  *             function.  Unused slots in the array are populated with
  *             and trailing space stripped off.  No more than @c@ words
  *             are read; the actual number is returned as the value of the
  *             function.  Unused slots in the array are populated with

- *             null bytes.
+ *             null bytes.  If there's any string left, the address of the
+ *             remainder is stored in @rest@ (if it's non-null); otherwise
+ *             @rest@ is set to a null pointer.

  */
 
  */
 

-size_t str_split(char *p, char *v[], size_t c)
+size_t str_split(char *p, char *v[], size_t c, char **rest)

 {
   size_t n = 0;
   char *q;
 {
   size_t n = 0;
   char *q;


@@ -110,6 +116,19 @@ size_t str_split(char *p, char *v[], size_t c)
     *v++ = 0;
     c--;
   }
     *v++ = 0;
     c--;
   }

+
+  if (rest) {
+    if (!p)
+      *rest = 0;
+    else {
+      while (isspace((unsigned char)*p))
+       p++;
+      if (*p)
+       *rest = p;
+      else
+       *rest = 0;
+    }
+  }

   return (n);
 }
 
   return (n);
 }