105 lines
2.2 KiB
C
105 lines
2.2 KiB
C
#include <stdio.h>
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#include <string.h> /* strlen & strcat */
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#include <ctype.h> /* toupper */
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#include <stdlib.h>
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#include "params.h"
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#include "opts.h"
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/* Let's make lint happy */
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#define lputs(x) (void)puts(x)
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char *read_param(char *string)
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{
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XrmValue xvalue;
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WMPropList *pl;
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WMPropList *value;
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WMPropList *tmp;
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char *path;
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char *newstring;
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char *newString;
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char *result;
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/* Let's make lint happy */
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xvalue.size = 0;
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newstring = wstrconcat("fookb.", string);
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newString = wstrconcat("Fookb.", string);
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newstring[6] = tolower((unsigned char)newstring[6]);
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newString[6] = toupper((unsigned char)newString[6]);
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/* Command line parameters take precedence over all */
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if (XrmGetResource(cmdlineDB,
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newstring,
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newString,
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str_type,
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&xvalue) == True) {
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result = (char *) malloc(xvalue.size + 1);
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if (NULL == result) {
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lputs("Not enough memory");
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exit(EXIT_FAILURE);
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}
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strncpy(result, xvalue.addr, (size_t)xvalue.size);
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result[(int) xvalue.size + 1] = '\0';
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wfree(newstring);
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wfree(newString);
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return result;
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}
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wfree(newstring);
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wfree(newString);
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/*
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* Here we start the game with property lists.
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* pl will be property list, read from DEFAULTS_FILE.
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* tmp will be temporary key for this property list,
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* constructed using ``string'', supplied to function.
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* value will be property list, which contain the value
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* of parameter
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*/
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path = wexpandpath(DEFAULTS_FILE);
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pl = WMReadPropListFromFile(path);
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wfree(path);
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if (!pl) {
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lputs("Cannot open config file: ");
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lputs(DEFAULTS_FILE);
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exit(EXIT_FAILURE);
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}
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tmp = WMCreatePLString(string);
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value = WMGetFromPLDictionary(pl, tmp);
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WMReleasePropList(tmp);
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/*
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* pl and value objects will exist as long as fookb is running
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*/
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if (!value) {
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lputs("Cannot find in config file value for: ");
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lputs(string);
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exit(EXIT_FAILURE);
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}
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if (!WMIsPLString(value)) {
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lputs("Value for: ");
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lputs(string);
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lputs("in config file is not a string.");
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exit(EXIT_FAILURE);
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}
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result = WMGetFromPLString(value);
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if (!result) {
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lputs("Something wrong with libWUtils :(");
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lputs("Please report this error to fookb author.");
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exit(EXIT_FAILURE);
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}
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return result;
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}
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