1 /*****************************************************************************/
5 /* Helper functions for command line parsing */
9 /* (C) 2000 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 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 /* Program name - is set after call to InitCmdLine */
48 extern const char* ProgName;
50 /* Structure defining a long option */
51 typedef struct LongOpt LongOpt;
55 void (*Func) (const char* Opt, const char* Arg);
60 /*****************************************************************************/
62 /*****************************************************************************/
66 void InitCmdLine (unsigned aArgCount, char* aArgVec[], const char* aProgName);
67 /* Initialize command line parsing. aArgVec is the argument array terminated by
68 * a NULL pointer (as usual), ArgCount is the number of valid arguments in the
69 * array. Both arguments are remembered in static storage.
72 void UnknownOption (const char* Opt);
73 /* Print an error about an unknown option. */
75 void NeedArg (const char* Opt);
76 /* Print an error about a missing option argument and exit. */
78 void InvDef (const char* Def);
79 /* Print an error about an invalid definition and die */
81 const char* GetArg (int* ArgNum, unsigned Len);
82 /* Get an argument for a short option. The argument may be appended to the
83 * option itself or may be separate. Len is the length of the option string.
86 void LongOption (int* ArgNum, const LongOpt* OptTab, unsigned OptCount);
87 /* Handle a long command line option */
91 /* End of cmdline.h */