summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Userland/Libraries/LibC/stdio.cpp23
-rw-r--r--Userland/Libraries/LibC/stdio.h2
2 files changed, 21 insertions, 4 deletions
diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index 7380700d05..3e75b859fe 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -666,6 +666,16 @@ int fgetc(FILE* stream)
return EOF;
}
+int fgetc_unlocked(FILE* stream)
+{
+ VERIFY(stream);
+ char ch;
+ size_t nread = fread_unlocked(&ch, sizeof(char), 1, stream);
+ if (nread == 1)
+ return ch;
+ return EOF;
+}
+
int getc(FILE* stream)
{
return fgetc(stream);
@@ -673,8 +683,7 @@ int getc(FILE* stream)
int getc_unlocked(FILE* stream)
{
- // FIXME: This currently locks the file
- return fgetc(stream);
+ return fgetc_unlocked(stream);
}
int getchar()
@@ -796,18 +805,24 @@ int ferror(FILE* stream)
return stream->error();
}
-size_t fread(void* ptr, size_t size, size_t nmemb, FILE* stream)
+size_t fread_unlocked(void* ptr, size_t size, size_t nmemb, FILE* stream)
{
VERIFY(stream);
VERIFY(!Checked<size_t>::multiplication_would_overflow(size, nmemb));
- ScopedFileLock lock(stream);
size_t nread = stream->read(reinterpret_cast<u8*>(ptr), size * nmemb);
if (!nread)
return 0;
return nread / size;
}
+size_t fread(void* ptr, size_t size, size_t nmemb, FILE* stream)
+{
+ VERIFY(stream);
+ ScopedFileLock lock(stream);
+ return fread_unlocked(ptr, size, nmemb, stream);
+}
+
size_t fwrite(const void* ptr, size_t size, size_t nmemb, FILE* stream)
{
VERIFY(stream);
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index d84e0d7979..c1634ce011 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -47,6 +47,7 @@ char* fgets(char* buffer, int size, FILE*);
int fputc(int ch, FILE*);
int fileno(FILE*);
int fgetc(FILE*);
+int fgetc_unlocked(FILE*);
int getc(FILE*);
int getc_unlocked(FILE* stream);
int getchar();
@@ -66,6 +67,7 @@ int ferror(FILE*);
int feof(FILE*);
int fflush(FILE*);
size_t fread(void* ptr, size_t size, size_t nmemb, FILE*);
+size_t fread_unlocked(void* ptr, size_t size, size_t nmemb, FILE*);
size_t fwrite(const void* ptr, size_t size, size_t nmemb, FILE*);
int vprintf(const char* fmt, va_list) __attribute__((format(printf, 1, 0)));
int vfprintf(FILE*, const char* fmt, va_list) __attribute__((format(printf, 2, 0)));