1 /*****************************************************************************/
5 /* String stack used for program settings */
9 /* (C) 2004 Ullrich von Bassewitz */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
45 /*****************************************************************************/
47 /*****************************************************************************/
51 typedef struct StrStack StrStack;
57 /* Declare an empty string stack */
58 #define STRSTACK() { 0 };
62 /*****************************************************************************/
64 /*****************************************************************************/
68 #if defined(HAVE_INLINE)
69 INLINE int SS_IsFull (const StrStack* S)
70 /* Return true if there is no space left on the given string stack */
72 return (S->Count >= sizeof (S->Stack) / sizeof (S->Stack[0]));
75 # define SS_IsFull(S) ((S)->Count >= sizeof ((S)->Stack) / sizeof ((S)->Stack[0]))
78 #if defined(HAVE_INLINE)
79 INLINE unsigned SS_GetCount (const StrStack* S)
80 /* Return the number of elements on the given string stack */
85 # define SS_GetCount(S) (S)->Count
88 const char* SS_Get (const StrStack* S);
89 /* Get the value on top of a string stack */
91 void SS_Set (StrStack* S, const char* Val);
92 /* Set the value on top of a string stack */
94 void SS_Drop (StrStack* S);
95 /* Drop a value from a string stack */
97 void SS_Push (StrStack* S, const char* Val);
98 /* Push a value onto a string stack */
102 /* End of strstack.h */