1 files changed, 98 insertions, 0 deletions
diff --git a/config.c b/config.c
new file mode 100644
index 0000000..c55d63c
--- /dev/null
+++ b/config.c
@@ -0,0 +1,98 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "config.h"
+
+typedef struct {
+  char *key;
+  char *val;
+} ENTRY;
+
+static ENTRY *Config=NULL;
+static int   nConfig=0;
+
+static char *strip (char *s)
+{
+  char *p;
+  
+  while (isblank(*s)) s++;
+  for (p=s; *p; p++) {
+    if (*p=='"') do p++; while (*p && *p!='\n' && *p!='"');
+    if (*p=='\'') do p++; while (*p && *p!='\n' && *p!='\'');
+    if (*p=='#' || *p=='\n') {
+      *p='\0';
+      break;
+    }
+  }
+  for (p--; p>s && isblank(*p); p--) *p='\0';
+  return s;
+}
+
+void set_cfg (char *key, char *val)
+{
+  int i;
+  
+  for (i=0; i<nConfig; i++) {
+    if (strcasecmp(Config[i].key, key)==0) {
+      if (Config[i].val) free (Config[i].val);
+      Config[i].val=strdup(val);
+      return;
+    }
+  }
+  nConfig++;
+  Config=realloc(Config, nConfig*sizeof(ENTRY));
+  Config[i].key=strdup(key);
+  Config[i].val=strdup(val);
+}
+
+char *get_cfg (char *key)
+{
+  int i;
+
+  for (i=0; i<nConfig; i++) {
+    if (strcasecmp(Config[i].key, key)==0) {
+      return Config[i].val;
+    }
+  }
+  return NULL;
+}
+
+
+int read_cfg (char *file)
+{
+  FILE *stream;
+  char buffer[256];
+  char *line, *p, *s;
+  
+  stream=fopen (file, "r");
+  if (stream==NULL) {
+    fprintf (stderr, "open(%s) failed: %s\n", file, strerror(errno));
+    return-1;
+  }
+  while ((line=fgets(buffer,256,stream))!=NULL) {
+    if (*(line=strip(line))=='\0') continue;
+    for (p=line; *p; p++) {
+      if (isblank(*p)) {
+	*p++='\0';
+	break;
+      }
+    }
+    p=strip(p);
+    if (*p) for (s=p; *(s+1); s++);
+    else s=p;
+    if (*p=='"' && *s=='"') {
+      *s='\0';
+      p++;
+    }
+    else if (*p=='\'' && *s=='\'') {
+      *s='\0';
+      p++;
+    }
+    set_cfg (line, p);
+  }
+  fclose (stream);
+  return 0;
+}
+