First release

libconfig/Makefile

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+#
+#  (c) 2005-2007 Laurent Vivier <Laurent@lvivier.info>
+#
+
+TOP = $(shell pwd)
+VPATH=$(TOP)
+
+AS=$(CROSS_COMPILE)as
+CC=$(CROSS_COMPILE)gcc
+LD=$(CROSS_COMPILE)ld
+AR=$(CROSS_COMPILE)ar
+
+TARGET = native
+CFLAGS	+= -nostdlib -nodefaultlibs -Wall -Werror -Wno-multichar
+ifeq ($(TARGET), m68k-linux)
+68000FLAGS = -m68000 -Wa,-m68000
+CFLAGS += -fpic -O2 -Os
+else
+CFLAGS += -g
+endif
+CPPFLAGS = -I$(TOP)/../libstream
+
+LIBRARY = libconfig.a
+
+SOURCES = config_get_indexed_property.c config_get_next_property.c \
+	  config_get_property.c config_remove_property.c \
+	  config_set_property.c config_set_indexed_property.c \
+	  config_remove_indexed_property.c
+
+HEADERS = libconfig.h
+
+all:
+	test -d $(TARGET) || mkdir $(TARGET)
+	$(MAKE) -C $(TARGET) -f $(TOP)/Makefile $(LIBRARY) TOP=$(TOP)
+
+include $(TOP)/../Rules.mk

libconfig/config_get_indexed_property.c

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+/*
+ *
+ * (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libconfig.h"
+
+int config_get_indexed_property(char *configuration, char *index_name, char *index_property, char *name, char *property)
+{
+	int found = (index_property == NULL); /* means not indexed */
+	int index = 0;
+	char current_name[256];
+
+	while (1)
+	{
+		index = config_get_next_property(configuration, index, 
+						 current_name, property);
+		if (index == -1)
+			return -1;
+		if (found)
+		{
+			if ((index_name != NULL) && 
+			    (strcmp(index_name, current_name)  == 0))
+				return -1;
+			if (strcmp(name, current_name) == 0)
+				return 0;
+		}
+		else
+		{
+			if ( (strcmp(index_name, current_name) == 0) && 
+			     (strcmp(index_property, property) == 0) )
+				found = 1;
+		}
+	}
+	return -1;
+}

libconfig/config_get_next_property.c

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+/*
+ *
+ * (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <string.h>
+
+#include "libconfig.h"
+
+static inline char *read_line(char *s)
+{
+	int read = 0;
+	while (*s && (*s != '\n'))
+	{
+		read++;
+		s++;
+	}
+	if (*s == 0)
+		return s;
+	return s + 1;
+}
+
+char *config_read_word(char *line, char **next)
+{
+	char *word;
+
+	while ( (*line == ' ') || (*line == '\t') || (*line == '\n') )
+		line++;
+
+	word = line;
+
+	while ( *line && (*line != ' ') && (*line != '\t') && (*line != '\n') )
+		line++;
+
+	*next = line;
+
+	return word;
+}
+
+int config_get_next_property(char *configuration, int index, char *name, char *property)
+{
+	char *next_word, *next_line;
+	char *current_name, *current_property;
+
+	next_line = (char*)configuration + index;
+	if (*next_line == 0)
+		return -1;
+	next_word = next_line;
+	next_line = read_line(next_line);
+
+	current_name = config_read_word(next_word, &next_word);
+	strncpy(name, current_name, next_word - current_name);
+	name[next_word - current_name] = 0;
+
+	current_property = config_read_word(next_word, &next_word);
+	if (next_line - current_property != 0)
+	{
+		strncpy(property, current_property, next_line - current_property);
+
+		/* remove '\n' if needed */
+
+		if (*(next_line - 1) == '\n')
+			property[next_line - current_property - 1] = 0;
+		else
+			property[next_line - current_property] = 0;
+	}
+	else
+		*property = 0;
+
+	return next_line - (char*)configuration;
+}

libconfig/config_get_property.c

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+/*
+ *
+ * (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+
+#include "libconfig.h"
+
+int config_get_property(char *configuration, char *name, char *property)
+{
+	return config_get_indexed_property(configuration, NULL, NULL, name, property);
+}

libconfig/config_remove_indexed_property.c

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+/*
+ *
+ * (c) 2005 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libconfig.h"
+
+void config_remove_indexed_property(char *configuration, char *index_name,
+				    char *index_property, char *name)
+{
+	int found = (index_property == NULL); /* means not indexed */
+	int index = 0;
+	int last_index;
+	int current = 0;
+	char current_name[256];
+	char current_property[256];
+
+	while (configuration[index])
+	{
+		last_index = index;
+		index = config_get_next_property(configuration, 
+						index, current_name, 
+						current_property);
+		if (index == -1)
+			return;
+		if (found)
+		{
+			if (strcmp(name, current_name) != 0)
+			{
+				int len;
+				len = strlen(configuration + index);
+				memcpy(configuration + last_index,
+				       configuration + index, len);
+				if (configuration[index + len - 1] == '\n')
+					len--;
+				configuration[index + len] = 0;
+				return;
+			}
+		} else {
+			if ( (strcmp(index_name, current_name) == 0) &&
+			     (strcmp(index_property, current_property) == 0) )
+				found = 1;
+		}
+	}
+	if (configuration[current-1] == '\n')
+		current--;
+	configuration[current++] = 0;
+}

libconfig/config_remove_property.c

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+/*
+ *
+ * (c) 2005 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libconfig.h"
+
+void config_remove_property(char *configuration, char *name)
+{
+	config_remove_indexed_property(configuration, name, NULL, NULL);
+}

libconfig/config_set_indexed_property.c

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+/*
+ *
+ * (c) 2005 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libconfig.h"
+
+void config_set_indexed_property(char *configuration, char *index_name, 
+				 char *index_property, char *name, 
+				 char *property)
+{
+	int found = (index_property == NULL); /* means not indexed */
+	int index = 0;
+	int last_index;
+	char current_name[256];
+	char current_property[256];
+
+	while (configuration[index])
+	{
+		last_index = index;
+		index = config_get_next_property(configuration, index, 
+						 current_name, 
+						 current_property);
+		if (index == -1)
+			return;
+		if (found)
+		{
+			if (strcmp(name, current_name) != 0)
+			{
+				int len, len_new, len_old;
+
+				len = strlen(configuration + index);
+				len_old = index - last_index;
+				len_new = strlen(name) + 1 + 
+					  strlen(property) + 1;
+
+				memcpy(configuration + last_index + len_new,
+				       configuration + index, len);
+
+				sprintf(configuration + last_index, 
+					"%s %s", name, property);
+				configuration[index + len_new] = '\n';
+				if (configuration[index + len - 1] == '\n')
+					len--;
+				configuration[index + len] = 0;
+				return;
+			}
+		} else {
+			if ( (strcmp(index_name, current_name) == 0) &&
+			     (strcmp(index_property, property) == 0) )
+				found = 1;
+		}
+	}
+}

libconfig/config_set_property.c

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+/*
+ *
+ * (c) 2005 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "libconfig.h"
+
+void config_set_property(char *configuration, char *name, char *property)
+{
+	config_set_indexed_property(configuration, NULL, NULL, name, property);
+}

libconfig/libconfig.h

@@ -0,0 +1,14 @@
+/*
+ *
+ * (c) 2007 Laurent Vivier <Laurent@lvivier.info>
+ *
+ */
+
+extern char *config_read_word(char *line, char **next);
+extern int config_get_next_property(char *configuration, int index, char *name, char *property);
+extern int config_get_indexed_property(char *configuration, char *index_name, char *index_property, char *name, char *property);
+extern int config_get_property(char *configuration, char *name, char *property);
+extern void config_remove_property(char *configuration, char *name);
+extern void config_set_property(char *configuration, char *name, char *property);
+extern void config_set_indexed_property(char *configuration, char *index_name, char *index_property, char *name, char *property);
+extern void config_remove_indexed_property(char *configuration, char *index_name, char *index_property, char *name);