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Clean up ecpg's use of mmerror(): const-ify the format argument, add an

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__attribute__() marker so that gcc can validate the format string against
the actual arguments, get rid of overcomplicated and unsafe usage in
base_yyerror().
This commit is contained in:
Tom Lane
2009-06-03 20:24:51 +00:00
parent a734979e0a
commit b5c838e170
3 changed files with 10 additions and 11 deletions
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6
src/interfaces/ecpg/preproc/extern.h
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@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.71 2008/05/20 23:17:32 meskes Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.72 2009/06/03 20:24:51 tgl Exp $ */
#ifndef _ECPG_PREPROC_EXTERN_H
#define _ECPG_PREPROC_EXTERN_H
@ -74,7 +74,9 @@ extern int base_yylex(void);
extern void base_yyerror(const char *);
extern void *mm_alloc(size_t), *mm_realloc(void *, size_t);
extern char *mm_strdup(const char *);
extern void mmerror(int, enum errortype, char *,...);
extern void mmerror(int, enum errortype, const char *, ...)
/* This extension allows gcc to check the format string */
__attribute__((format(printf, 3, 4)));
extern void output_get_descr_header(char *);
extern void output_get_descr(char *, char *);
extern void output_set_descr_header(char *);