1 /*****************************************************************************/
5 /* Data segment structure */
9 /* (C) 2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
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 /*****************************************************************************/
46 /*****************************************************************************/
48 /*****************************************************************************/
52 /* Pointer to current data segment */
57 /*****************************************************************************/
59 /*****************************************************************************/
63 DataSeg* NewDataSeg (const char* Name)
64 /* Create a new data segment, initialize and return it */
67 DataSeg* S = xmalloc (sizeof (DataSeg));
69 /* Initialize the fields */
71 S->Name = xstrdup (Name);
72 InitCollection (&S->Lines);
74 /* Return the new struct */
80 void FreeDataSeg (DataSeg* S)
81 /* Free a data segment including all line entries */
89 Count = CollCount (&S->Lines);
90 for (I = 0; I < Count; ++I) {
91 xfree (CollAt (&S->Lines, I));
94 /* Free the collection */
95 DoneCollection (&S->Lines);
103 void PushDataSeg (DataSeg* S)
104 /* Push the given data segment onto the stack */
113 DataSeg* PopDataSeg (void)
114 /* Remove the current data segment from the stack and return it */
116 /* Remember the current data segment */
119 /* Cannot pop on empty stack */
120 PRECONDITION (S != 0);
125 /* Return the popped data segment */
131 void AppendDataSeg (DataSeg* Target, const DataSeg* Source)
132 /* Append the data from Source to Target */
136 /* Append all lines from Source to Target */
137 unsigned Count = CollCount (&Source->Lines);
138 for (I = 0; I < Count; ++I) {
139 CollAppend (&Target->Lines, xstrdup (CollConstAt (&Source->Lines, I)));
145 void AddDataSegLine (DataSeg* S, const char* Format, ...)
146 /* Add a line to the given data segment */
151 /* Format the line */
152 va_start (ap, Format);
153 xvsprintf (Buf, sizeof (Buf), Format, ap);
156 /* Add a copy to the data segment */
157 CollAppend (&S->Lines, xstrdup (Buf));
162 void OutputDataSeg (FILE* F, const DataSeg* S)
163 /* Output the data segment data to a file */
167 /* Get the number of entries in this segment */
168 unsigned Count = CollCount (&S->Lines);
170 /* Output all entries */
171 for (I = 0; I < Count; ++I) {
172 fprintf (F, "%s\n", (const char*) CollConstAt (&S->Lines, I));