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ctype: test and fix character conversion functions (DONE)

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Some shenanigans with the scope of variables in block expressions.
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Lephenixnoir 2021-05-18 11:51:49 +02:00
parent 50629bf479
commit b1fa650914
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2 changed files with 5 additions and 5 deletions
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@ -32,7 +32,7 @@ DONE: Function/symbol/macro is defined, builds, links, and is tested
7.4 <ctype.h> 7.4 <ctype.h>
7.4.1 is*: DONE 7.4.1 is*: DONE
7.4.2 to*: TEST 7.4.2 to*: DONE
7.5 <errno.h> 7.5 <errno.h>
7.5.2 EDOM EILSEQ ERANGE: DONE 7.5.2 EDOM EILSEQ ERANGE: DONE

8
include/ctype.h
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@ -94,13 +94,13 @@ extern int toupper(int c);
}) })
#define tolower(c) ({ \ #define tolower(c) ({ \
int __c = (c); \ int __c0 = (c); \
isupper(__c) ? (__c | 0x20) : __c; \ isupper(__c0) ? (__c0 | 0x20) : __c0; \
}) })
#define toupper(c) ({ \ #define toupper(c) ({ \
int __c = (c); \ int __c0 = (c); \
islower(__c) ? (__c & 0xdf) : __c; \ islower(__c0) ? (__c0 & 0xdf) : __c0; \
}) })
#endif /*__CTYPE_H__*/ #endif /*__CTYPE_H__*/