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printf.m4: fix a bug in detecting printf %j support

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* m4/printf.m4 (gl_PRINTF_SIZES_C99): Fail any system for which
uintmax_t is defined in neither stdint.h nor inttypes.h.
Before, this macro might have mistakenly set
gl_cv_func_printf_sizes_c99=yes on such a system.
Spotted by Zev Weiss.
This commit is contained in:
Jim Meyering
2016-10-20 09:32:54 -07:00
parent 9a930fd851
commit aec038e314
2 changed files with 11 additions and 0 deletions
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ChangeLog
+9
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@@ -1,3 +1,12 @@
2016-10-20 Jim Meyering <meyering@fb.com>
printf.m4: fix a bug in detecting printf %j support
* m4/printf.m4 (gl_PRINTF_SIZES_C99): Fail any system for which
uintmax_t is defined in neither stdint.h nor inttypes.h.
Before, this macro might have mistakenly set
gl_cv_func_printf_sizes_c99=yes on such a system.
Spotted by Zev Weiss.
2016-10-19 Paul Eggert <eggert@cs.ucla.edu>
sched: substitute HAVE_SYS_CDEFS_H too
m4/printf.m4
+2
View File
@@ -38,6 +38,8 @@ int main ()
if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0
|| strcmp (buf, "12345671 33") != 0)
result |= 1;
#else
result |= 1;
#endif
buf[0] = '\0';
if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0