1*4882a593SmuzhiyunFrom 509c5974398952618abdd17f39117b88e3f50057 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Paul Eggert <eggert@cs.ucla.edu> 3*4882a593SmuzhiyunDate: Thu, 1 Dec 2022 10:28:04 -0800 4*4882a593SmuzhiyunSubject: [PATCH] Fix C23-related conformance bug 5*4882a593SmuzhiyunMIME-Version: 1.0 6*4882a593SmuzhiyunContent-Type: text/plain; charset=UTF-8 7*4882a593SmuzhiyunContent-Transfer-Encoding: 8bit 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunProblem reported by Houge Langley for ‘gcc -std=gnu99’ in: 10*4882a593Smuzhiyunhttps://bugs.gentoo.org/show_bug.cgi?id=883719 11*4882a593Smuzhiyun* NEWS: Mention this. 12*4882a593Smuzhiyun* date.c, localtime.c, private.h, zdump.c, zic.c: 13*4882a593SmuzhiyunUse ATTRIBUTE_* at the start of function declarations, 14*4882a593Smuzhiyunnot later (such as after the keyword ‘static’). 15*4882a593SmuzhiyunThis is required for strict conformance to C23. 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunUpstream-Status: Backport [https://github.com/eggert/tz/commit/9cfe9507fcc22cd4a0c4da486ea1c7f0de6b075f] 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunNEWS change skipped to avoid conflicts. 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunSigned-off-by: Martin Jansa <Martin.Jansa@gmail.com> 22*4882a593Smuzhiyun--- 23*4882a593Smuzhiyun date.c | 2 +- 24*4882a593Smuzhiyun localtime.c | 4 ++-- 25*4882a593Smuzhiyun private.h | 6 +++--- 26*4882a593Smuzhiyun zdump.c | 12 ++++++------ 27*4882a593Smuzhiyun zic.c | 34 +++++++++++++++++----------------- 28*4882a593Smuzhiyun 5 files changed, 29 insertions(+), 29 deletions(-) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyundiff --git a/date.c b/date.c 31*4882a593Smuzhiyunindex 11c5e5fe..97df6ab0 100644 32*4882a593Smuzhiyun--- a/date.c 33*4882a593Smuzhiyun+++ b/date.c 34*4882a593Smuzhiyun@@ -42,7 +42,7 @@ static void display(const char *, time_t); 35*4882a593Smuzhiyun static void dogmt(void); 36*4882a593Smuzhiyun static void errensure(void); 37*4882a593Smuzhiyun static void timeout(FILE *, const char *, const struct tm *); 38*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void usage(void); 39*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void usage(void); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun int 42*4882a593Smuzhiyun main(const int argc, char *argv[]) 43*4882a593Smuzhiyundiff --git a/localtime.c b/localtime.c 44*4882a593Smuzhiyunindex 1d22d351..3bf1b911 100644 45*4882a593Smuzhiyun--- a/localtime.c 46*4882a593Smuzhiyun+++ b/localtime.c 47*4882a593Smuzhiyun@@ -838,7 +838,7 @@ is_digit(char c) 48*4882a593Smuzhiyun ** Return a pointer to that character. 49*4882a593Smuzhiyun */ 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE const char * 52*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static const char * 53*4882a593Smuzhiyun getzname(register const char *strp) 54*4882a593Smuzhiyun { 55*4882a593Smuzhiyun register char c; 56*4882a593Smuzhiyun@@ -859,7 +859,7 @@ getzname(register const char *strp) 57*4882a593Smuzhiyun ** We don't do any checking here; checking is done later in common-case code. 58*4882a593Smuzhiyun */ 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE const char * 61*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static const char * 62*4882a593Smuzhiyun getqzname(register const char *strp, const int delim) 63*4882a593Smuzhiyun { 64*4882a593Smuzhiyun register int c; 65*4882a593Smuzhiyundiff --git a/private.h b/private.h 66*4882a593Smuzhiyunindex 7a73eff7..ae522986 100644 67*4882a593Smuzhiyun--- a/private.h 68*4882a593Smuzhiyun+++ b/private.h 69*4882a593Smuzhiyun@@ -628,7 +628,7 @@ char *asctime(struct tm const *); 70*4882a593Smuzhiyun char *asctime_r(struct tm const *restrict, char *restrict); 71*4882a593Smuzhiyun char *ctime(time_t const *); 72*4882a593Smuzhiyun char *ctime_r(time_t const *, char *); 73*4882a593Smuzhiyun-double difftime(time_t, time_t) ATTRIBUTE_UNSEQUENCED; 74*4882a593Smuzhiyun+ATTRIBUTE_UNSEQUENCED double difftime(time_t, time_t); 75*4882a593Smuzhiyun size_t strftime(char *restrict, size_t, char const *restrict, 76*4882a593Smuzhiyun struct tm const *restrict); 77*4882a593Smuzhiyun # if HAVE_STRFTIME_L 78*4882a593Smuzhiyun@@ -740,10 +740,10 @@ timezone_t tzalloc(char const *); 79*4882a593Smuzhiyun void tzfree(timezone_t); 80*4882a593Smuzhiyun # ifdef STD_INSPIRED 81*4882a593Smuzhiyun # if TZ_TIME_T || !defined posix2time_z 82*4882a593Smuzhiyun-time_t posix2time_z(timezone_t, time_t) ATTRIBUTE_REPRODUCIBLE; 83*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE time_t posix2time_z(timezone_t, time_t); 84*4882a593Smuzhiyun # endif 85*4882a593Smuzhiyun # if TZ_TIME_T || !defined time2posix_z 86*4882a593Smuzhiyun-time_t time2posix_z(timezone_t, time_t) ATTRIBUTE_REPRODUCIBLE; 87*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE time_t time2posix_z(timezone_t, time_t); 88*4882a593Smuzhiyun # endif 89*4882a593Smuzhiyun # endif 90*4882a593Smuzhiyun #endif 91*4882a593Smuzhiyundiff --git a/zdump.c b/zdump.c 92*4882a593Smuzhiyunindex 7acb3e2d..3e482ba3 100644 93*4882a593Smuzhiyun--- a/zdump.c 94*4882a593Smuzhiyun+++ b/zdump.c 95*4882a593Smuzhiyun@@ -89,7 +89,7 @@ static bool warned; 96*4882a593Smuzhiyun static bool errout; 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun static char const *abbr(struct tm const *); 99*4882a593Smuzhiyun-static intmax_t delta(struct tm *, struct tm *) ATTRIBUTE_REPRODUCIBLE; 100*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static intmax_t delta(struct tm *, struct tm *); 101*4882a593Smuzhiyun static void dumptime(struct tm const *); 102*4882a593Smuzhiyun static time_t hunt(timezone_t, time_t, time_t, bool); 103*4882a593Smuzhiyun static void show(timezone_t, char *, time_t, bool); 104*4882a593Smuzhiyun@@ -97,7 +97,7 @@ static void showextrema(timezone_t, char *, time_t, struct tm *, time_t); 105*4882a593Smuzhiyun static void showtrans(char const *, struct tm const *, time_t, char const *, 106*4882a593Smuzhiyun char const *); 107*4882a593Smuzhiyun static const char *tformat(void); 108*4882a593Smuzhiyun-static time_t yeartot(intmax_t) ATTRIBUTE_REPRODUCIBLE; 109*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static time_t yeartot(intmax_t); 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun /* Is C an ASCII digit? */ 112*4882a593Smuzhiyun static bool 113*4882a593Smuzhiyun@@ -125,7 +125,7 @@ is_alpha(char a) 114*4882a593Smuzhiyun } 115*4882a593Smuzhiyun } 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void 118*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void 119*4882a593Smuzhiyun size_overflow(void) 120*4882a593Smuzhiyun { 121*4882a593Smuzhiyun fprintf(stderr, _("%s: size overflow\n"), progname); 122*4882a593Smuzhiyun@@ -134,7 +134,7 @@ size_overflow(void) 123*4882a593Smuzhiyun 124*4882a593Smuzhiyun /* Return A + B, exiting if the result would overflow either ptrdiff_t 125*4882a593Smuzhiyun or size_t. */ 126*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE ptrdiff_t 127*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static ptrdiff_t 128*4882a593Smuzhiyun sumsize(size_t a, size_t b) 129*4882a593Smuzhiyun { 130*4882a593Smuzhiyun #ifdef ckd_add 131*4882a593Smuzhiyun@@ -151,7 +151,7 @@ sumsize(size_t a, size_t b) 132*4882a593Smuzhiyun 133*4882a593Smuzhiyun /* Return a pointer to a newly allocated buffer of size SIZE, exiting 134*4882a593Smuzhiyun on failure. SIZE should be nonzero. */ 135*4882a593Smuzhiyun-static void * ATTRIBUTE_MALLOC 136*4882a593Smuzhiyun+ATTRIBUTE_MALLOC static void * 137*4882a593Smuzhiyun xmalloc(size_t size) 138*4882a593Smuzhiyun { 139*4882a593Smuzhiyun void *p = malloc(size); 140*4882a593Smuzhiyun@@ -920,7 +920,7 @@ showextrema(timezone_t tz, char *zone, time_t lo, struct tm *lotmp, time_t hi) 141*4882a593Smuzhiyun # include <stdarg.h> 142*4882a593Smuzhiyun 143*4882a593Smuzhiyun /* A substitute for snprintf that is good enough for zdump. */ 144*4882a593Smuzhiyun-static int ATTRIBUTE_FORMAT((printf, 3, 4)) 145*4882a593Smuzhiyun+ATTRIBUTE_FORMAT((printf, 3, 4)) static int 146*4882a593Smuzhiyun my_snprintf(char *s, size_t size, char const *format, ...) 147*4882a593Smuzhiyun { 148*4882a593Smuzhiyun int n; 149*4882a593Smuzhiyundiff --git a/zic.c b/zic.c 150*4882a593Smuzhiyunindex 892414af..f143fcef 100644 151*4882a593Smuzhiyun--- a/zic.c 152*4882a593Smuzhiyun+++ b/zic.c 153*4882a593Smuzhiyun@@ -459,20 +459,20 @@ static char roll[TZ_MAX_LEAPS]; 154*4882a593Smuzhiyun ** Memory allocation. 155*4882a593Smuzhiyun */ 156*4882a593Smuzhiyun 157*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void 158*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void 159*4882a593Smuzhiyun memory_exhausted(const char *msg) 160*4882a593Smuzhiyun { 161*4882a593Smuzhiyun fprintf(stderr, _("%s: Memory exhausted: %s\n"), progname, msg); 162*4882a593Smuzhiyun exit(EXIT_FAILURE); 163*4882a593Smuzhiyun } 164*4882a593Smuzhiyun 165*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void 166*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void 167*4882a593Smuzhiyun size_overflow(void) 168*4882a593Smuzhiyun { 169*4882a593Smuzhiyun memory_exhausted(_("size overflow")); 170*4882a593Smuzhiyun } 171*4882a593Smuzhiyun 172*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE ptrdiff_t 173*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static ptrdiff_t 174*4882a593Smuzhiyun size_sum(size_t a, size_t b) 175*4882a593Smuzhiyun { 176*4882a593Smuzhiyun #ifdef ckd_add 177*4882a593Smuzhiyun@@ -487,7 +487,7 @@ size_sum(size_t a, size_t b) 178*4882a593Smuzhiyun size_overflow(); 179*4882a593Smuzhiyun } 180*4882a593Smuzhiyun 181*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE ptrdiff_t 182*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static ptrdiff_t 183*4882a593Smuzhiyun size_product(ptrdiff_t nitems, ptrdiff_t itemsize) 184*4882a593Smuzhiyun { 185*4882a593Smuzhiyun #ifdef ckd_mul 186*4882a593Smuzhiyun@@ -502,7 +502,7 @@ size_product(ptrdiff_t nitems, ptrdiff_t itemsize) 187*4882a593Smuzhiyun size_overflow(); 188*4882a593Smuzhiyun } 189*4882a593Smuzhiyun 190*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE ptrdiff_t 191*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static ptrdiff_t 192*4882a593Smuzhiyun align_to(ptrdiff_t size, ptrdiff_t alignment) 193*4882a593Smuzhiyun { 194*4882a593Smuzhiyun ptrdiff_t lo_bits = alignment - 1, sum = size_sum(size, lo_bits); 195*4882a593Smuzhiyun@@ -526,7 +526,7 @@ memcheck(void *ptr) 196*4882a593Smuzhiyun return ptr; 197*4882a593Smuzhiyun } 198*4882a593Smuzhiyun 199*4882a593Smuzhiyun-static void * ATTRIBUTE_MALLOC 200*4882a593Smuzhiyun+ATTRIBUTE_MALLOC static void * 201*4882a593Smuzhiyun emalloc(size_t size) 202*4882a593Smuzhiyun { 203*4882a593Smuzhiyun return memcheck(malloc(size)); 204*4882a593Smuzhiyun@@ -538,7 +538,7 @@ erealloc(void *ptr, size_t size) 205*4882a593Smuzhiyun return memcheck(realloc(ptr, size)); 206*4882a593Smuzhiyun } 207*4882a593Smuzhiyun 208*4882a593Smuzhiyun-static char * ATTRIBUTE_MALLOC 209*4882a593Smuzhiyun+ATTRIBUTE_MALLOC static char * 210*4882a593Smuzhiyun estrdup(char const *str) 211*4882a593Smuzhiyun { 212*4882a593Smuzhiyun return memcheck(strdup(str)); 213*4882a593Smuzhiyun@@ -608,7 +608,7 @@ eat(int fnum, lineno num) 214*4882a593Smuzhiyun eats(fnum, num, 0, -1); 215*4882a593Smuzhiyun } 216*4882a593Smuzhiyun 217*4882a593Smuzhiyun-static void ATTRIBUTE_FORMAT((printf, 1, 0)) 218*4882a593Smuzhiyun+ATTRIBUTE_FORMAT((printf, 1, 0)) static void 219*4882a593Smuzhiyun verror(const char *const string, va_list args) 220*4882a593Smuzhiyun { 221*4882a593Smuzhiyun /* 222*4882a593Smuzhiyun@@ -626,7 +626,7 @@ verror(const char *const string, va_list args) 223*4882a593Smuzhiyun fprintf(stderr, "\n"); 224*4882a593Smuzhiyun } 225*4882a593Smuzhiyun 226*4882a593Smuzhiyun-static void ATTRIBUTE_FORMAT((printf, 1, 2)) 227*4882a593Smuzhiyun+ATTRIBUTE_FORMAT((printf, 1, 2)) static void 228*4882a593Smuzhiyun error(const char *const string, ...) 229*4882a593Smuzhiyun { 230*4882a593Smuzhiyun va_list args; 231*4882a593Smuzhiyun@@ -636,7 +636,7 @@ error(const char *const string, ...) 232*4882a593Smuzhiyun errors = true; 233*4882a593Smuzhiyun } 234*4882a593Smuzhiyun 235*4882a593Smuzhiyun-static void ATTRIBUTE_FORMAT((printf, 1, 2)) 236*4882a593Smuzhiyun+ATTRIBUTE_FORMAT((printf, 1, 2)) static void 237*4882a593Smuzhiyun warning(const char *const string, ...) 238*4882a593Smuzhiyun { 239*4882a593Smuzhiyun va_list args; 240*4882a593Smuzhiyun@@ -666,7 +666,7 @@ close_file(FILE *stream, char const *dir, char const *name, 241*4882a593Smuzhiyun } 242*4882a593Smuzhiyun } 243*4882a593Smuzhiyun 244*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void 245*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void 246*4882a593Smuzhiyun usage(FILE *stream, int status) 247*4882a593Smuzhiyun { 248*4882a593Smuzhiyun fprintf(stream, 249*4882a593Smuzhiyun@@ -3597,7 +3597,7 @@ lowerit(char a) 250*4882a593Smuzhiyun } 251*4882a593Smuzhiyun 252*4882a593Smuzhiyun /* case-insensitive equality */ 253*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE bool 254*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static bool 255*4882a593Smuzhiyun ciequal(register const char *ap, register const char *bp) 256*4882a593Smuzhiyun { 257*4882a593Smuzhiyun while (lowerit(*ap) == lowerit(*bp++)) 258*4882a593Smuzhiyun@@ -3606,7 +3606,7 @@ ciequal(register const char *ap, register const char *bp) 259*4882a593Smuzhiyun return false; 260*4882a593Smuzhiyun } 261*4882a593Smuzhiyun 262*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE bool 263*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static bool 264*4882a593Smuzhiyun itsabbr(register const char *abbr, register const char *word) 265*4882a593Smuzhiyun { 266*4882a593Smuzhiyun if (lowerit(*abbr) != lowerit(*word)) 267*4882a593Smuzhiyun@@ -3622,7 +3622,7 @@ itsabbr(register const char *abbr, register const char *word) 268*4882a593Smuzhiyun 269*4882a593Smuzhiyun /* Return true if ABBR is an initial prefix of WORD, ignoring ASCII case. */ 270*4882a593Smuzhiyun 271*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE bool 272*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static bool 273*4882a593Smuzhiyun ciprefix(char const *abbr, char const *word) 274*4882a593Smuzhiyun { 275*4882a593Smuzhiyun do 276*4882a593Smuzhiyun@@ -3725,14 +3725,14 @@ getfields(char *cp, char **array, int arrayelts) 277*4882a593Smuzhiyun return nsubs; 278*4882a593Smuzhiyun } 279*4882a593Smuzhiyun 280*4882a593Smuzhiyun-static ATTRIBUTE_NORETURN void 281*4882a593Smuzhiyun+ATTRIBUTE_NORETURN static void 282*4882a593Smuzhiyun time_overflow(void) 283*4882a593Smuzhiyun { 284*4882a593Smuzhiyun error(_("time overflow")); 285*4882a593Smuzhiyun exit(EXIT_FAILURE); 286*4882a593Smuzhiyun } 287*4882a593Smuzhiyun 288*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE zic_t 289*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static zic_t 290*4882a593Smuzhiyun oadd(zic_t t1, zic_t t2) 291*4882a593Smuzhiyun { 292*4882a593Smuzhiyun #ifdef ckd_add 293*4882a593Smuzhiyun@@ -3746,7 +3746,7 @@ oadd(zic_t t1, zic_t t2) 294*4882a593Smuzhiyun time_overflow(); 295*4882a593Smuzhiyun } 296*4882a593Smuzhiyun 297*4882a593Smuzhiyun-static ATTRIBUTE_REPRODUCIBLE zic_t 298*4882a593Smuzhiyun+ATTRIBUTE_REPRODUCIBLE static zic_t 299*4882a593Smuzhiyun tadd(zic_t t1, zic_t t2) 300*4882a593Smuzhiyun { 301*4882a593Smuzhiyun #ifdef ckd_add 302