init

Makefile

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+#
+# Makefile
+#
+
+all:
+	@echo "Run 'make install' to install the library"
+
+install: ./include/libevconf.h
+	install ./include/libevconf.h -t $(PREFIX)/include -m 644

README

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++ libevconf
+
+The Everest configuration file parser
+
++ Installation
+
+Libevconf is provided as a header-only library.
+
+To install, clone this repository:
+
+	$ git clone https://git.everestlinux.org/EverestLinux/libevconf
+
+Enter the directory and edit config.mk:
+
+	$ cd libevconf
+	$ $EDITOR config.mk
+
+Install the library:
+
+	$ make install # note that you may need root access, depending on the value of PREFIX
+
++ Documentation
+
+Online documentation can be found at https://everestlinux.org/docs/libevconf
+Offline documentation can be accessed with the following command:
+
+	$ man 3 libevconf
+
++ Copyright
+
+(C) 2025 Everest Developers
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License as published by the
+Free Software Foundation, either version 3 of the License, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
+You should have received a copy of the GNU General Public License along with
+this program.
+If not, see <https://www.gnu.org/licenses/>.
+

config.mk

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+#
+# config.mk
+#
+
+PREFIX = 

include/libevconf.h

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+#ifndef EVCONF_H_
+#define EVCONF_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_LINE 256
+#define MAX_ENTRIES 100
+
+typedef struct {
+	char option[64];
+	char value[256];
+} ev_config_entry;
+
+typedef struct {
+	ev_config_entry entries[MAX_ENTRIES];
+	int count;
+} ev_config;
+
+static inline
+int evconf_parse_config(const char *filename, ev_config *config)
+{
+	FILE *config = fopen(filename, "r");
+	if (! config) {
+		return 1;
+	}
+
+	char line[MAX_LINE];
+	while (fgets(line, sizeof(line), config)) {
+		if (line[0] == "#" || line[0] == '\n') {
+			continue;
+		}
+
+		char *equal_sign = strchr(line, '=');
+		if (! equal_sign) {
+			continue;
+		}
+
+		*equal_sign = '\0';
+		char *key = line;
+		char *value = equal_sign + 1;
+
+		key[strcspn(key, "\r\n")] = 0;
+		value[strcspn(value, "\r\n")] = 0;
+
+		if (config -> count < MAX_ENTRIES) {
+			strncpy(config -> entries[config -> count].key, key, sizeof(config -> entries[config -> count].key) - 1);
+			strncpy(config -> entries[config -> count].value, value, sizeof(config -> entries[config -> entries].value) - 1);
+			config -> count++;
+		}
+	}
+
+	fclose(config);
+}
+
+static inline const
+char *evconf_get_config_value(ev_config *config, const char *key)
+{
+	for (int index = 0; index < config -> count; index++) {
+		if (strcmp(config -> entries[index].key, key) == 0) {
+			return config -> entries[index].value;
+		}
+	}
+
+	return NULL;
+}
+
+#endif
+