X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=tools%2Fccanlint%2Flicenses.c;fp=tools%2Fccanlint%2Flicenses.c;h=9bfa1d2b8d57b3bb005fccc653ba4d209cebf5c8;hb=e67de75f0d64096956ad40ecb09462dac6fc5f03;hp=0000000000000000000000000000000000000000;hpb=582d76294a0118232f9ba4f0fc84a0dd3deb1717;p=ccan

diff --git a/tools/ccanlint/licenses.c b/tools/ccanlint/licenses.c
new file mode 100644
index 00000000..9bfa1d2b
--- /dev/null
+++ b/tools/ccanlint/licenses.c
@@ -0,0 +1,113 @@
+#include "licenses.h"
+#include "ccanlint.h"
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+
+const struct license_info licenses[] = {
+	{ "LGPLv2+", "LGPL",
+	  { "gnu lesser general public license",
+	    "version 2",
+	    "or at your option any later version"
+	  }
+	},
+	{ "LGPLv2", "LGPL",
+	  { "gnu lesser general public license",
+	    "version 2",
+	    NULL
+	  }
+	},
+	{ "LGPLv3", "LGPL",
+	  { "gnu lesser general public license",
+	    "version 3",
+	    NULL
+	  }
+	},
+	{ "LGPL", "LGPL",
+	  { "gnu lesser general public license",
+	    NULL,
+	    NULL
+	  }
+	},
+	{ "GPLv2+", "GPL",
+	  { "gnu general public license",
+	    "version 2",
+	    "or at your option any later version"
+	  }
+	},
+	{ "GPLv2", "GPL",
+	  { "gnu general public license",
+	    "version 2",
+	    NULL
+	  }
+	},
+	{ "GPLv3", "GPL",
+	  { "gnu general public license",
+	    "version 3",
+	    NULL
+	  }
+	},
+	{ "GPL", "GPL",
+	  { "gnu general public license",
+	    NULL,
+	    NULL
+	  }
+	},
+	{ "BSD-3CLAUSE", "BSD",
+	  { "redistributions of source code must retain",
+	    "redistributions in binary form must reproduce",
+	    "endorse or promote"
+	  }
+	},
+	{ "BSD-MIT", "MIT",
+	  { "without restriction",
+	    "above copyright notice",
+	    "without warranty"
+	  }
+	},
+	{ "Public domain", "Public domain",
+	  { NULL, NULL, NULL  }
+	},
+	{ "Unknown license", "Unknown license",
+	  { NULL, NULL, NULL  }
+	},
+};
+
+const char *get_ccan_simplified(struct ccan_file *f)
+{
+	if (!f->simplified) {
+		unsigned int i, j;
+
+		/* Simplify for easy matching: only alnum and single spaces. */
+		f->simplified = talloc_strdup(f, get_ccan_file_contents(f));
+		for (i = 0, j = 0; f->simplified[i]; i++) {
+			if (cisupper(f->simplified[i]))
+				f->simplified[j++] = tolower(f->simplified[i]);
+			else if (cislower(f->simplified[i]))
+				f->simplified[j++] = f->simplified[i];
+			else if (cisdigit(f->simplified[i]))
+				f->simplified[j++] = f->simplified[i];
+			else if (cisspace(f->simplified[i])) {
+				if (j != 0 && f->simplified[j-1] != ' ')
+					f->simplified[j++] = ' ';
+			}
+		}
+		f->simplified[j] = '\0';
+	}
+	return f->simplified;
+}
+
+bool find_boilerplate(struct ccan_file *f, enum license license)
+{
+	unsigned int i;
+
+	for (i = 0; i < NUM_CLAUSES; i++) {
+		if (!licenses[license].clause[i])
+			break;
+
+		if (!strstr(get_ccan_simplified(f),
+			    licenses[license].clause[i])) {
+			return false;
+		}
+	}
+	return true;
+}