[error] add perror_example

sunsonzh · Jan 31, 2023 · ef6690d · ef6690d
1 parent f33a4f2
commit ef6690d
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diff --git a/error/makefile b/error/makefile
@@ -0,0 +1,5 @@
+all:
+	gcc perror_example.c -o perror_example
+
+clean:
+	rm perror_example
diff --git a/error/perror_example.c b/error/perror_example.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int main()
+{
+    FILE *fp;
+    fp = fopen("/tmp/noexist", "r+");
+    if(fp == NULL) 
+        perror("fopen");
+    return 0;
+}