Check if fread returned 0

Adwaith-Rajesh · Adwaith-Rajesh · commit 09d306a0b47a · 2023-05-31T12:54:35.000+05:30
diff --git a/src/parsers/text_plain.c b/src/parsers/text_plain.c
@@ -13,7 +13,10 @@ void parse_file(const char *pathname, String *str) {
         fprintf(stderr, "Could not open file: %s : %s\n", pathname, strerror(errno));
         exit(1);
     }
-    fread(str->str, str->size, 1, fp);
+    size_t read_bytes = fread(str->str, str->size, 1, fp);
+    if (read_bytes == 0) {
+        fprintf(stderr, "Error, reading contents of: %s", pathname);
+    }
     fclose(fp);
 }
 #pragma GCC diagnostic pop

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,10 @@ void parse_file(const char pathname, String str) {`
`13`	`13`	`fprintf(stderr, "Could not open file: %s : %s\n", pathname, strerror(errno));`
`14`	`14`	`exit(1);`
`15`	`15`	`}`
`16`		`- fread(str->str, str->size, 1, fp);`
	`16`	`+ size_t read_bytes = fread(str->str, str->size, 1, fp);`
	`17`	`+ if (read_bytes == 0) {`
	`18`	`+ fprintf(stderr, "Error, reading contents of: %s", pathname);`
	`19`	`+ }`
`17`	`20`	`fclose(fp);`
`18`	`21`	`}`
`19`	`22`	`#pragma GCC diagnostic pop`