[libc] Enable 'sscanf' on the GPU

[jhuber6]

Summary:
We can enable the sscanf function on the GPU now.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Joseph Huber (jhuber6)

Changes

Summary:
We can enable the sscanf function on the GPU now.

---

Full diff: https://github.com/llvm/llvm-project/pull/100211.diff

2 Files Affected:

• (modified) libc/config/gpu/entrypoints.txt (+1)
• (modified) libc/docs/gpu/support.rst (+5-4)

diff --git a/libc/config/gpu/entrypoints.txt b/libc/config/gpu/entrypoints.txt
index fa878d8999227..f7e89bdcd95cc 100644
--- a/libc/config/gpu/entrypoints.txt
+++ b/libc/config/gpu/entrypoints.txt
@@ -186,6 +186,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdio.sprintf
     libc.src.stdio.vsnprintf
     libc.src.stdio.vsprintf
+    libc.src.stdio.sscanf
     libc.src.stdio.feof
     libc.src.stdio.ferror
     libc.src.stdio.fflush
diff --git a/libc/docs/gpu/support.rst b/libc/docs/gpu/support.rst
index 71dd1b30c5e3a..5ef298a2ba58f 100644
--- a/libc/docs/gpu/support.rst
+++ b/libc/docs/gpu/support.rst
@@ -234,10 +234,11 @@ printf         |check|    |check|
 vprintf        |check|    |check|
 fprintf        |check|    |check|
 vfprintf       |check|    |check|
-sprintf        |check|    |check|
-snprintf       |check|    |check|
-vsprintf       |check|    |check|
-vsnprintf      |check|    |check|
+sprintf        |check|
+snprintf       |check|
+vsprintf       |check|
+vsnprintf      |check|
+sscanf         |check|
 putchar        |check|    |check|
 fclose         |check|    |check|
 fopen          |check|    |check|