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Allow more specific errno with remove

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bzt 2021-12-01 00:27:14 +01:00
parent 5a71f6ae11
commit 3cdef6a762
3 changed files with 5 additions and 1 deletions
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1
OLVASSEL.md
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@ -191,6 +191,7 @@ A `name` környezeti változó beállítása `len` hosszú `data` értékkel. Si
| Funkció | Leírás | | Funkció | Leírás |
|---------------|----------------------------------------------------------------------------| |---------------|----------------------------------------------------------------------------|
| remove | megszokott, de széles karakterű sztringet is elfogadhat |
| fopen | megszokott, de széles karakterű sztringet is elfogadhat, mode esetén is | | fopen | megszokott, de széles karakterű sztringet is elfogadhat, mode esetén is |
| fclose | megszokott | | fclose | megszokott |
| fflush | megszokott | | fflush | megszokott |

1
README.md
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@ -187,6 +187,7 @@ Sets an environment variable by `name` with `data` of length `len`. On success r
| Function | Description | | Function | Description |
|---------------|----------------------------------------------------------------------------| |---------------|----------------------------------------------------------------------------|
| remove | as usual, but might accept wide char strings |
| fopen | as usual, but might accept wide char strings, also for mode | | fopen | as usual, but might accept wide char strings, also for mode |
| fclose | as usual | | fclose | as usual |
| fflush | as usual | | fflush | as usual |

4
uefi/stdio.c
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@ -155,6 +155,8 @@ int __remove (const char_t *__filename, int isdir)
uintn_t fsiz = (uintn_t)sizeof(efi_file_info_t), i; uintn_t fsiz = (uintn_t)sizeof(efi_file_info_t), i;
/* little hack to support read and write mode for Delete() without create mode */ /* little hack to support read and write mode for Delete() without create mode */
FILE *f = fopen(__filename, CL("@")); FILE *f = fopen(__filename, CL("@"));
if(errno)
return 1;
if(!f || f == stdin || f == stdout || f == stderr || (__ser && f == (FILE*)__ser)) { if(!f || f == stdin || f == stdout || f == stderr || (__ser && f == (FILE*)__ser)) {
errno = EBADF; errno = EBADF;
return 1; return 1;
@ -204,6 +206,7 @@ FILE *fopen (const char_t *__filename, const char_t *__modes)
#ifndef UEFI_NO_UTF8 #ifndef UEFI_NO_UTF8
wchar_t wcname[BUFSIZ]; wchar_t wcname[BUFSIZ];
#endif #endif
errno = 0;
if(!__filename || !*__filename || !__modes || !*__modes) { if(!__filename || !*__filename || !__modes || !*__modes) {
errno = EINVAL; errno = EINVAL;
return NULL; return NULL;
@ -269,7 +272,6 @@ FILE *fopen (const char_t *__filename, const char_t *__modes)
errno = ENODEV; errno = ENODEV;
return NULL; return NULL;
} }
errno = 0;
ret = (FILE*)malloc(sizeof(FILE)); ret = (FILE*)malloc(sizeof(FILE));
if(!ret) return NULL; if(!ret) return NULL;
/* normally write means read,write,create. But for remove (internal '@' mode), we need read,write without create */ /* normally write means read,write,create. But for remove (internal '@' mode), we need read,write without create */