From 9dbb37a0cd7757bdbfb5f31856340c22893a790d Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 1 Aug 2016 22:29:28 +0200
Subject: [PATCH] Add a file getline() function to parse files one line at a
 time

---
 renderdoc/os/os_specific.h            |  2 ++
 renderdoc/os/posix/posix_stringio.cpp | 20 ++++++++++++++++++++
 renderdoc/os/win32/win32_stringio.cpp | 20 ++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/renderdoc/os/os_specific.h b/renderdoc/os/os_specific.h
index 88d991b33..25b3daab1 100644
--- a/renderdoc/os/os_specific.h
+++ b/renderdoc/os/os_specific.h
@@ -242,6 +242,8 @@ FILE *fopen(const char *filename, const char *mode);
 size_t fread(void *buf, size_t elementSize, size_t count, FILE *f);
 size_t fwrite(const void *buf, size_t elementSize, size_t count, FILE *f);
 
+std::string getline(FILE *f);
+
 uint64_t ftell64(FILE *f);
 void fseek64(FILE *f, uint64_t offset, int origin);
 
diff --git a/renderdoc/os/posix/posix_stringio.cpp b/renderdoc/os/posix/posix_stringio.cpp
index fc56f9208..63e0ffad9 100644
--- a/renderdoc/os/posix/posix_stringio.cpp
+++ b/renderdoc/os/posix/posix_stringio.cpp
@@ -249,6 +249,26 @@ FILE *fopen(const char *filename, const char *mode)
   return ::fopen(filename, mode);
 }
 
+string getline(FILE *f)
+{
+  string ret;
+
+  while(!FileIO::feof(f))
+  {
+    char c = (char)::fgetc(f);
+
+    if(FileIO::feof(f))
+      break;
+
+    if(c != 0 && c != '\n')
+      ret.push_back(c);
+    else
+      break;
+  }
+
+  return ret;
+}
+
 size_t fread(void *buf, size_t elementSize, size_t count, FILE *f)
 {
   return ::fread(buf, elementSize, count, f);
diff --git a/renderdoc/os/win32/win32_stringio.cpp b/renderdoc/os/win32/win32_stringio.cpp
index d53fc72b2..475fdcf5c 100644
--- a/renderdoc/os/win32/win32_stringio.cpp
+++ b/renderdoc/os/win32/win32_stringio.cpp
@@ -343,6 +343,26 @@ FILE *fopen(const char *filename, const char *mode)
   return ret;
 }
 
+string getline(FILE *f)
+{
+  string ret;
+
+  while(!FileIO::feof(f))
+  {
+    char c = (char)::fgetc(f);
+
+    if(FileIO::feof(f))
+      break;
+
+    if(c != 0 && c != '\n')
+      ret.push_back(c);
+    else
+      break;
+  }
+
+  return ret;
+}
+
 size_t fread(void *buf, size_t elementSize, size_t count, FILE *f)
 {
   return ::fread(buf, elementSize, count, f);