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libc: fix fropen/fwopen compile warnings

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This patch fixes warnings that appears when compiling:

#define fwopen(__cookie,__fn) funopen(__cookie, (int (*)())0, __fn,
(fpos_t (*)())0, (int (*)())0)
Expands to:

funopen(__null, (int (*)())0, &app_printf, (fpos_t (*)())0, (int
(*)())0)
argument of type "int (*)()" is incompatible with parameter of type
"int (*)(void *__cookie, char *__buf, int __n)"C/C++(167)
invalid conversion from 'fpos_t (*)()' {aka 'long int (*)()'} to
'fpos_t (*)(void*, fpos_t, int)' {aka 'long int (*)(void*,

Discussion is here:
https://github.com/espressif/arduino-esp32/issues/7407
This commit is contained in:
Alexey Lapshin 2022-12-07 10:59:23 +00:00 committed by Corinna Vinschen
parent 95f5b0a620
commit 0b09753a3f
1 changed files with 2 additions and 4 deletions
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6
newlib/libc/include/stdio.h
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@ -620,10 +620,8 @@ FILE *_funopen_r (struct _reent *, const void *__cookie,
int (*__closefn)(void *__cookie)); int (*__closefn)(void *__cookie));
# endif /* !__LARGE64_FILES */ # endif /* !__LARGE64_FILES */
# define fropen(__cookie, __fn) funopen(__cookie, __fn, (int (*)())0, \ # define fropen(__cookie, __fn) funopen(__cookie, __fn, NULL, NULL, NULL)
(fpos_t (*)())0, (int (*)())0) # define fwopen(__cookie, __fn) funopen(__cookie, NULL, __fn, NULL, NULL)
# define fwopen(__cookie, __fn) funopen(__cookie, (int (*)())0, __fn, \
(fpos_t (*)())0, (int (*)())0)
#endif /* __BSD_VISIBLE */ #endif /* __BSD_VISIBLE */
#if __GNU_VISIBLE #if __GNU_VISIBLE