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__attribute__: add a few missing format attributes

A public function mem_pool_strfmt() takes printf like parameters,
but is not given an attribute as such. Also a few file-scope static
functions were missing their format attribute.

Add them.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano 99c7de73 ba744647

+3
unified split
+1
mem-pool.h
··· 50 /* 51 * Allocate memory from the memory pool and format a string into it. 52 */ 53 char *mem_pool_strfmt(struct mem_pool *pool, const char *fmt, ...); 54 55 /*
··· 50 /* 51 * Allocate memory from the memory pool and format a string into it. 52 */ 53 + __attribute__((format (printf, 2, 3))) 54 char *mem_pool_strfmt(struct mem_pool *pool, const char *fmt, ...); 55 56 /*
+1
scalar.c
··· 289 } 290 291 /* printf-style interface, expects `<key>=<value>` argument */ 292 static int set_config(const char *fmt, ...) 293 { 294 struct strbuf buf = STRBUF_INIT;
··· 289 } 290 291 /* printf-style interface, expects `<key>=<value>` argument */ 292 + __attribute__((format (printf, 1, 2))) 293 static int set_config(const char *fmt, ...) 294 { 295 struct strbuf buf = STRBUF_INIT;
+1
wt-status.c
··· 126 va_end(ap); 127 } 128 129 static void status_printf_more(struct wt_status *s, const char *color, 130 const char *fmt, ...) 131 {
··· 126 va_end(ap); 127 } 128 129 + __attribute__((format (printf, 3, 4))) 130 static void status_printf_more(struct wt_status *s, const char *color, 131 const char *fmt, ...) 132 {