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-rw-r--r--snippets/fileHandling.s16
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diff --git a/snippets/fileHandling.s b/snippets/fileHandling.s
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--- a/snippets/fileHandling.s
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-# int getFileSize(int fd)
-#
-# Returns the size (in bytes) of the file indicated by the file descriptor.
-.section .data
-.Lstat: .space 144 # size of the fstat struct
-.section .text
-.globl getFileSize
-.type getFileSize, @function
-getFileSize:
- movq $5, %rax # fstat
- # rdi already contains the fd
- movq $.Lstat, %rsi # buffer to write fstat data into
- syscall
- movq $.Lstat, %rax
- movq 48(%rax), %rax # position of size in the struct
- ret