WebSVN – SvarDOS – Diff – /pkg/trunk/helpers.c

 #include <string.h>   /* */
 #include <stdio.h>    /* sprintf() */
 #include <stdlib.h>   /* atoi() */
 #include <sys/stat.h> /* mkdir() */
+#include "rtrim.h"
 #include "helpers.h"
 /* translates a version string into a array of integer values. The array must be 8-position long.
    returns 0 if parsing was successful, non-zero otherwise.
+  }
   /* if no dot found, then point to the string's null terminator */
   if (res == NULL) return(fname);
   return(res);
+}
+/* reads a line from a "token = value" file, returns 0 on success
+ * val (if not NULL) is updated with a pointer to the "value" part
+ * delim is the delimiter char (typically ':' or '=' but can be anything) */
+int freadtokval(FILE *fd, char *line, size_t maxlen, char **val, char delim) {
+  int bytebuff, linelen = 0;
+  if (val != NULL) *val = NULL;
+  for (;;) {
+    bytebuff = fgetc(fd);
+    if (bytebuff == EOF) {
+      if (linelen == 0) return(-1);
+      break;
+    }
+    if (bytebuff < 0) return(-1);
+    if ((*val == NULL) && (bytebuff == delim)) {
+      line[linelen++] = 0;
+      *val = line + linelen;
+      continue;
+    }
+    if (bytebuff == '\r') continue; /* ignore CR */
+    if (bytebuff == '\n') break;
+    if (linelen < maxlen - 1) line[linelen++] = bytebuff;
+  }
+  /* terminate line and trim token and value (if any) */
+  line[linelen] = 0;
+  trim(line);
+  if ((val != NULL) && (*val != NULL)) trim(*val);
+  return(0);
+}

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