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glibc: use __GLIBC_USE_DEPRECATED_SCANF for glibc versions < 2.7

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This commit is contained in:
Markus F.X.J. Oberhumer 2024-01-25 15:29:36 +01:00
parent c63216441c
commit fc72630d0f
1 changed files with 4 additions and 1 deletions
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5
lib/libc/include/generic-glibc/features.h
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@ -468,7 +468,10 @@
instance, with GCC, -std=gnu11 will have C99-compliant scanf with
or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
old extension. */
#if (defined __USE_GNU \
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7)
/* support for ISOC99 was added in glibc-2.7 */
# define __GLIBC_USE_DEPRECATED_SCANF 1
#elif (defined __USE_GNU \
&& (defined __cplusplus \
? (__cplusplus < 201103L && !defined __GXX_EXPERIMENTAL_CXX0X__) \
: (!defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L)))