xserver/os/cmdline.h

36 lines
1.3 KiB
C

/* SPDX-License-Identifier: MIT OR X11
*
* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
*/
#ifndef _XSERVER_OS_CMDLINE_H
#define _XSERVER_OS_CMDLINE_H
#include "include/os.h"
#define CHECK_FOR_REQUIRED_ARGUMENTS(num) \
do if (((i + num) >= argc) || (!argv[i + num])) { \
UseMsg(); \
FatalError("Required argument to %s not specified\n", argv[i]); \
} while (0)
void UseMsg(void);
void ProcessCommandLine(int argc, char * argv[]);
void CheckUserParameters(int argc, char **argv, char **envp);
/*
* @brief check for and parse an counting-flag or value-flag option
*
* Parses an option that may either be used for setting an integer value or
* given one or multiple times (without argument) to increase an value
*
* @param argc total number of elements in argv
* @param argv array of pointers to cmdline argument strings
* @param idx pointer to current index in argv -- eventually will be modified
* @param name the command line argument name
* @param value pointer to the field holding the setting value
* @return non-zero if the flag was found and parsed
*/
int ProcessCmdLineMultiInt(int argc, char *argv[], int *idx, const char* name, int *value);
#endif /* _XSERVER_OS_CMELINE_H */