1 files changed, 126 insertions, 0 deletions
diff --git a/bikewedge/software/RetoolingForOpenSprints/serproxy-0.1.3.src/cfglib.c b/bikewedge/software/RetoolingForOpenSprints/serproxy-0.1.3.src/cfglib.c
new file mode 100644
index 0000000..7321bbc
--- /dev/null
+++ b/bikewedge/software/RetoolingForOpenSprints/serproxy-0.1.3.src/cfglib.c
@@ -0,0 +1,126 @@
+/*
+ * cfglib.c
+ *
+ * Config file parsing routines
+ *
+ * (C)1999 Stefano Busti
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "cfglib.h"
+
+char *cfg_getvalue(const char *key, const char *src);
+
+
+int cfg_readstr(const char *filename,
+					 cfg_item_s *item,
+					 const char *deflt)
+{
+	char buf[BUFSIZ];
+
+	if (cfg_readbuf(filename, item->key, buf, sizeof(buf)) == NULL) {
+		item->val = strealloc(item->val, deflt);
+		return -1;
+	}
+
+	item->val = strealloc(item->val, buf);
+	return 0;
+}
+
+
+int cfg_readint(const char *filename,
+					 cfg_item_i *item,
+					 int deflt)
+{
+	char buf[BUFSIZ], *perr;
+
+	if (cfg_readbuf(filename, item->key, buf, sizeof(buf)) == NULL) {
+		item->val = deflt;
+		return -1;
+	}
+	
+	item->val = strtol(buf, &perr, 0);
+
+	if ((*perr != '\0') || (*buf == '\0')) {
+		item->val = deflt;
+		return -1;
+	}
+
+	return 0;
+}
+
+char *cfg_readbuf(const char *filename,
+					 const char *key,
+					 char *value,
+					 size_t valuesiz)
+{
+	char *ptr;
+	int len;
+
+	FILE *f = fopen(filename, "rt");
+
+	if (!f)
+		return NULL;
+	
+	while (fgets(value, valuesiz, f))
+	{
+		len = strlen(value);
+
+		/* strip crs */
+		if ((len > 0) && (value[len - 1] == '\n')) {
+			value[len - 1] = '\0';
+			len--;
+		}
+
+		/* ignore blank lines and comments */
+		if ((len > 0) && (value[0] != '#')) {
+			if ((ptr = cfg_getvalue(key, value)) != NULL) {
+				memmove(value, ptr, strlen(ptr) + 1);
+				fclose(f);
+				return value;
+			}
+		}
+	}
+	fclose(f);
+	return NULL;
+}
+
+char *cfg_getvalue(const char *key, const char *src)
+{
+	char *peql;
+	
+	if ((peql = strchr(src, '=')) != NULL) { 
+		int keylen = strlen(key);
+
+		if ((keylen == peql - src) && (strncmp(key, src, keylen) == 0)) 
+			return peql + 1;
+	}
+
+	return NULL;
+}
+
+char *strealloc(char *dest, const char *s)
+{
+	/* 
+	 * Don't reallocate if source and destination
+	 * point to the same string, otherwise s becomes invalid.
+	 */
+	if (dest == s)
+		return dest;
+		
+	dest = realloc(dest, strlen(s) + 1);
+	if (dest == NULL)
+		return NULL;
+
+	strcpy(dest, s);
+	return dest;
+}
+
+void strdispose(char *dest)
+{
+	free(dest);
+}