0999158088e0fb3715eb27703c8c4f7123d77144
galt
  Mon Sep 21 16:51:20 2015 -0700
added GNU-C attributes to function declarations in src/inc, src/hg/inc, and some CGIs so that the compiler can catch errors where the parameter list given by the user does not match their format string. These var-args functions are like printf.

diff --git src/inc/tokenizer.h src/inc/tokenizer.h
index d1ce9d9..15623a4 100644
--- src/inc/tokenizer.h
+++ src/inc/tokenizer.h
@@ -1,66 +1,71 @@
 /* tokenizer - A tokenizer structure that will chop up file into
  * tokens.  It is aware of quoted strings and otherwise tends to return
  * white-space or punctuated-separated words, with punctuation in
  * a separate token.  This is used by autoSql. */
 
 #ifndef TOKENIZER_H
 #define TOKENIZER_H
 
 struct tokenizer
 /* This handles reading in tokens. */
     {
     bool reuse;	         /* True if want to reuse this token. */
     bool eof;            /* True at end of file. */
     int leadingSpaces;	 /* Number of leading spaces before token. */
     struct lineFile *lf; /* Underlying file. */
     char *curLine;       /* Current line of text. */
     char *linePt;        /* Start position within current line. */
     char *string;        /* String value of token */
     int sSize;           /* Size of string. */
     int sAlloc;          /* Allocated string size. */
       /* Some variables set after tokenizerNew to control details of
        * parsing. */
     bool leaveQuotes;	 /* Leave quotes in string. */
     bool uncommentC;	 /* Take out C (and C++) style comments. */
     bool uncommentShell; /* Take out # style comments. */
     };
 
 struct tokenizer *tokenizerNew(char *fileName);
 /* Return a new tokenizer. */
 
 struct tokenizer *tokenizerOnLineFile(struct lineFile *lf);
 /* Create a new tokenizer on open lineFile. */
 
 void tokenizerFree(struct tokenizer **pTkz);
 /* Tear down a tokenizer. */
 
 void tokenizerReuse(struct tokenizer *tkz);
 /* Reuse token. */
 
 int tokenizerLineCount(struct tokenizer *tkz);
 /* Return line of current token. */
 
 char *tokenizerFileName(struct tokenizer *tkz);
 /* Return name of file. */
 
 char *tokenizerNext(struct tokenizer *tkz);
 /* Return token's next string (also available as tkz->string) or
  * NULL at EOF. This string will be overwritten with the next call
  * to tokenizerNext, so cloneString if you need to save it. */
 
-void tokenizerErrAbort(struct tokenizer *tkz, char *format, ...);
+void tokenizerErrAbort(struct tokenizer *tkz, char *format, ...)
 /* Print error message followed by file and line number and
  * abort. */
+#if defined(__GNUC__)
+__attribute__((format(printf, 2, 3)))
+#endif
+;
+
 
 void tokenizerNotEnd(struct tokenizer *tkz);
 /* Squawk if at end. */
 
 char *tokenizerMustHaveNext(struct tokenizer *tkz);
 /* Get next token, which must be there. */
 
 void tokenizerMustMatch(struct tokenizer *tkz, char *string);
 /* Require next token to match string.  Return next token
  * if it does, otherwise abort. */
 
 #endif /* TOKENIZER_H */