From 7c9d27cb03680bed8161c7ea48fc5df0eea66177 Mon Sep 17 00:00:00 2001
From: Olivia Appleton <olivia.kay.appleton@gmail.com>
Date: Thu, 15 Aug 2024 20:56:41 -0500
Subject: [PATCH] make printf formatting portable

---
 c/src/include/utils.h         | 3 ++-
 c/src/p0000_template.c        | 3 ++-
 c/src/p0001.c                 | 3 ++-
 c/src/p0002.c                 | 3 ++-
 c/src/p0003.c                 | 3 ++-
 c/src/p0004.c                 | 3 ++-
 c/src/p0005.c                 | 3 ++-
 c/src/p0006.c                 | 3 ++-
 c/src/p0007.c                 | 3 ++-
 c/src/p0008.c                 | 3 ++-
 c/src/p0009.c                 | 3 ++-
 c/src/p0010.c                 | 3 ++-
 c/src/p0011.c                 | 3 ++-
 c/src/p0012.c                 | 3 ++-
 c/src/p0013.c                 | 3 ++-
 c/src/p0014.c                 | 3 ++-
 c/src/p0015.c                 | 3 ++-
 c/src/p0016.c                 | 3 ++-
 c/src/p0017.c                 | 3 ++-
 c/src/p0020.c                 | 3 ++-
 c/src/p0022.c                 | 3 ++-
 c/src/p0025.c                 | 3 ++-
 c/src/p0030.c                 | 3 ++-
 c/src/p0034.c                 | 3 ++-
 c/src/p0076.c                 | 3 ++-
 c/src/p0836.c                 | 1 +
 cplusplus/src/include/math.h  | 1 +
 cplusplus/src/include/utils.h | 3 ++-
 28 files changed, 54 insertions(+), 26 deletions(-)

diff --git a/c/src/include/utils.h b/c/src/include/utils.h
index 7ba65a09..4fc0d033 100644
--- a/c/src/include/utils.h
+++ b/c/src/include/utils.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <inttypes.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -89,7 +90,7 @@ char *get_data_file(const char *name) {
     const size_t ret_code = fread(buffer, 1, length, file);
     if (ret_code != length) {
         if (feof(file))
-            printf("Error reading %s: unexpected end of file, read %lu of %lu bytes expected\n", name, (uint64_t)ret_code, (uint64_t)length);
+            printf("Error reading %s: unexpected end of file, read %" PRIu64 " of %"PRIu64" bytes expected\n", name, (uint64_t)ret_code, (uint64_t)length);
         else if (ferror(file))
             perror("Error reading data file");
     }
diff --git a/c/src/p0000_template.c b/c/src/p0000_template.c
index 67fead69..c6f33a88 100644
--- a/c/src/p0000_template.c
+++ b/c/src/p0000_template.c
@@ -10,6 +10,7 @@ This paragraph should be replaced by the problem description, excluding images.
 #ifndef EULER_P0000
 #define EULER_P0000
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 uint64_t p0000() {
@@ -18,7 +19,7 @@ uint64_t p0000() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0000());
+    printf("%" PRIu64 "\n", p0000());
     return 0;
 }
 #endif
diff --git a/c/src/p0001.c b/c/src/p0001.c
index ca936876..327ddaeb 100644
--- a/c/src/p0001.c
+++ b/c/src/p0001.c
@@ -15,6 +15,7 @@
 #ifndef EULER_P0001
 #define EULER_P0001
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/iterator.h"
 
@@ -34,7 +35,7 @@ uint64_t p0001() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0001());
+    printf("%" PRIu64 "\n", p0001());
     return 0;
 }
 #endif
diff --git a/c/src/p0002.c b/c/src/p0002.c
index 30c222f8..ac08ceeb 100644
--- a/c/src/p0002.c
+++ b/c/src/p0002.c
@@ -17,6 +17,7 @@ four million, find the sum of the even-valued terms.
 #ifndef EULER_P0002
 #define EULER_P0002
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/fibonacci.h"
 
@@ -33,7 +34,7 @@ uint64_t p0002() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0002());
+    printf("%" PRIu64 "\n", p0002());
     return 0;
 }
 #endif
diff --git a/c/src/p0003.c b/c/src/p0003.c
index 402bfb36..c154004a 100644
--- a/c/src/p0003.c
+++ b/c/src/p0003.c
@@ -13,6 +13,7 @@ What is the largest prime factor of the number 600851475143 ?
 #ifndef EULER_P0003
 #define EULER_P0003
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/primes.h"
 
@@ -27,7 +28,7 @@ uint64_t p0003() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0003());
+    printf("%" PRIu64 "\n", p0003());
     return 0;
 }
 #endif
diff --git a/c/src/p0004.c b/c/src/p0004.c
index e1393162..9acb6fd5 100644
--- a/c/src/p0004.c
+++ b/c/src/p0004.c
@@ -13,6 +13,7 @@ Find the largest palindrome made from the product of two 3-digit numbers.
 #ifndef EULER_P0004
 #define EULER_P0004
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/digits.h"
 
@@ -41,7 +42,7 @@ uint32_t p0004() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%u", p0004());
+    printf("%" PRIu32 "\n", p0004());
     return 0;
 }
 #endif
diff --git a/c/src/p0005.c b/c/src/p0005.c
index db23c3cf..60081abc 100644
--- a/c/src/p0005.c
+++ b/c/src/p0005.c
@@ -14,6 +14,7 @@ What is the smallest positive number that is evenly divisible by all of the numb
 #ifndef EULER_P0005
 #define EULER_P0005
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 #include "include/primes.h"
@@ -40,7 +41,7 @@ uint64_t p0005() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0005());
+    printf("%" PRIu64 "\n", p0005());
     return 0;
 }
 #endif
diff --git a/c/src/p0006.c b/c/src/p0006.c
index e70550da..0be7be89 100644
--- a/c/src/p0006.c
+++ b/c/src/p0006.c
@@ -22,6 +22,7 @@ natural numbers and the square of the sum.
 #ifndef EULER_P0006
 #define EULER_P0006
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 uint64_t p0006() {
@@ -33,7 +34,7 @@ uint64_t p0006() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0006());
+    printf("%" PRIu64 "\n", p0006());
     return 0;
 }
 #endif
diff --git a/c/src/p0007.c b/c/src/p0007.c
index ac6267b9..eedeb742 100644
--- a/c/src/p0007.c
+++ b/c/src/p0007.c
@@ -12,6 +12,7 @@ What is the 10 001st prime number?
 #ifndef EULER_P0007
 #define EULER_P0007
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/primes.h"
 
@@ -29,7 +30,7 @@ uint64_t p0007() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0007());
+    printf("%" PRIu64 "\n", p0007());
     return 0;
 }
 #endif
diff --git a/c/src/p0008.c b/c/src/p0008.c
index 6e8dc716..7bf69533 100644
--- a/c/src/p0008.c
+++ b/c/src/p0008.c
@@ -33,6 +33,7 @@ Find the thirteen adjacent digits in the 1000-digit number that have the greates
 #ifndef EULER_P0008
 #define EULER_P0008
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 
@@ -73,7 +74,7 @@ uint64_t p0008() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0008());
+    printf("%" PRIu64 "\n", p0008());
     return 0;
 }
 #endif
diff --git a/c/src/p0009.c b/c/src/p0009.c
index aa2bd172..2dd11351 100644
--- a/c/src/p0009.c
+++ b/c/src/p0009.c
@@ -16,6 +16,7 @@ Find the product abc.
 #ifndef EULER_P0009
 #define EULER_P0009
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 uint64_t p0009() {
@@ -34,7 +35,7 @@ uint64_t p0009() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0009());
+    printf("%" PRIu64 "\n", p0009());
     return 0;
 }
 #endif
diff --git a/c/src/p0010.c b/c/src/p0010.c
index 9270b186..2f30c46e 100644
--- a/c/src/p0010.c
+++ b/c/src/p0010.c
@@ -12,6 +12,7 @@ Find the sum of all the primes below two million.
 #ifndef EULER_P0010
 #define EULER_P0010
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/primes.h"
 
@@ -26,7 +27,7 @@ uint64_t p0010() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0010());
+    printf("%" PRIu64 "\n", p0010());
     return 0;
 }
 #endif
diff --git a/c/src/p0011.c b/c/src/p0011.c
index 24f504a5..44b78db5 100644
--- a/c/src/p0011.c
+++ b/c/src/p0011.c
@@ -34,6 +34,7 @@ the 20×20 grid?
 #ifndef EULER_P0011
 #define EULER_P0011
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 
@@ -88,7 +89,7 @@ uint64_t p0011() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0011());
+    printf("%" PRIu64 "\n", p0011());
     return 0;
 }
 #endif
diff --git a/c/src/p0012.c b/c/src/p0012.c
index d6bcf1a5..214c628d 100644
--- a/c/src/p0012.c
+++ b/c/src/p0012.c
@@ -29,6 +29,7 @@ divisors?
 #ifndef EULER_P0012
 #define EULER_P0012
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/factors.h"
 
@@ -54,7 +55,7 @@ uint64_t p0012() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0012());
+    printf("%" PRIu64 "\n", p0012());
     return 0;
 }
 #endif
diff --git a/c/src/p0013.c b/c/src/p0013.c
index badfa361..a3454ad6 100644
--- a/c/src/p0013.c
+++ b/c/src/p0013.c
@@ -111,6 +111,7 @@ Work out the first ten digits of the sum of the following one-hundred 50-digit n
 #ifndef EULER_P0013
 #define EULER_P0013
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/bcd.h"
 
@@ -237,7 +238,7 @@ uint64_t p0013() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0013());
+    printf("%" PRIu64 "\n", p0013());
     return 0;
 }
 #endif
diff --git a/c/src/p0014.c b/c/src/p0014.c
index cd85df17..e37b3930 100644
--- a/c/src/p0014.c
+++ b/c/src/p0014.c
@@ -23,6 +23,7 @@ NOTE: Once the chain starts the terms are allowed to go above one million.
 #ifndef EULER_P0014
 #define EULER_P0014
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 
@@ -58,7 +59,7 @@ uint64_t p0014() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0014());
+    printf("%" PRIu64 "\n", p0014());
     return 0;
 }
 #endif
diff --git a/c/src/p0015.c b/c/src/p0015.c
index 63afe0b1..de9d3ac0 100644
--- a/c/src/p0015.c
+++ b/c/src/p0015.c
@@ -17,6 +17,7 @@ How many such routes are there through a 20×20 grid?
 #ifndef EULER_P0015
 #define EULER_P0015
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/math.h"
 
@@ -28,7 +29,7 @@ uint64_t p0015() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0015());
+    printf("%" PRIu64 "\n", p0015());
     return 0;
 }
 #endif
diff --git a/c/src/p0016.c b/c/src/p0016.c
index 762f5143..abab7dc7 100644
--- a/c/src/p0016.c
+++ b/c/src/p0016.c
@@ -13,6 +13,7 @@ What is the sum of the digits of the number 21000?
 #ifndef EULER_P0016
 #define EULER_P0016
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/bcd.h"
 
@@ -28,7 +29,7 @@ uint64_t p0016() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0016());
+    printf("%" PRIu64 "\n", p0016());
     return 0;
 }
 #endif
diff --git a/c/src/p0017.c b/c/src/p0017.c
index ba9e72f3..8018cfd1 100644
--- a/c/src/p0017.c
+++ b/c/src/p0017.c
@@ -19,6 +19,7 @@ British usage.
 #ifndef EULER_P0017
 #define EULER_P0017
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 uint32_t to_string_len(uint64_t n);
@@ -89,7 +90,7 @@ uint64_t p0017() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0017());
+    printf("%" PRIu64 "\n", p0017());
     return 0;
 }
 #endif
diff --git a/c/src/p0020.c b/c/src/p0020.c
index ed5defb0..53d564ac 100644
--- a/c/src/p0020.c
+++ b/c/src/p0020.c
@@ -13,6 +13,7 @@ Find the sum of the digits in the number 100!
 #ifndef EULER_P0020
 #define EULER_P0020
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 uint64_t p0020() {
@@ -41,7 +42,7 @@ uint64_t p0020() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0020());
+    printf("%" PRIu64 "\n", p0020());
     return 0;
 }
 #endif
diff --git a/c/src/p0022.c b/c/src/p0022.c
index 315035fd..71b4a682 100644
--- a/c/src/p0022.c
+++ b/c/src/p0022.c
@@ -15,6 +15,7 @@ Find the sum of all the multiples of 3 or 5 below 1000.
 #ifndef EULER_P0022
 #define EULER_P0022
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 #include "include/utils.h"
@@ -52,7 +53,7 @@ uint64_t p0022() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0022());
+    printf("%" PRIu64 "\n", p0022());
     return 0;
 }
 #endif
diff --git a/c/src/p0025.c b/c/src/p0025.c
index 3b91e3c5..42f270bf 100644
--- a/c/src/p0025.c
+++ b/c/src/p0025.c
@@ -29,6 +29,7 @@ What is the index of the first term in the Fibonacci sequence to contain 1000 di
 #ifndef EULER_P0025
 #define EULER_P0025
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/bcd.h"
 
@@ -47,7 +48,7 @@ uint64_t p0025() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0025());
+    printf("%" PRIu64 "\n", p0025());
     return 0;
 }
 #endif
diff --git a/c/src/p0030.c b/c/src/p0030.c
index 50a13583..f600f079 100644
--- a/c/src/p0030.c
+++ b/c/src/p0030.c
@@ -18,6 +18,7 @@ Find the sum of all the numbers that can be written as the sum of fifth powers o
 #ifndef EULER_P0030
 #define EULER_P0030
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/digits.h"
 
@@ -39,7 +40,7 @@ uint64_t p0030() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu\n", p0030());
+    printf("%" PRIu64 "\n", p0030());
     return 0;
 }
 #endif
diff --git a/c/src/p0034.c b/c/src/p0034.c
index a139668c..1c9e4bf6 100644
--- a/c/src/p0034.c
+++ b/c/src/p0034.c
@@ -13,6 +13,7 @@ Note: as 1! = 1 and 2! = 2 are not sums they are not included.
 #ifndef EULER_P0034
 #define EULER_P0034
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/digits.h"
 #include "include/math.h"
@@ -34,7 +35,7 @@ uint64_t p0034() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%lu", p0034());
+    printf("%" PRIu64 "\n", p0034());
     return 0;
 }
 #endif
diff --git a/c/src/p0076.c b/c/src/p0076.c
index 48420fa7..5692173a 100644
--- a/c/src/p0076.c
+++ b/c/src/p0076.c
@@ -41,6 +41,7 @@ positive integers?
 #ifndef EULER_P0076
 #define EULER_P0076
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include "include/macros.h"
 
@@ -72,7 +73,7 @@ uint32_t p0076() {
 
 #ifndef UNITY_END
 int main(int argc, char const *argv[]) {
-    printf("%u", p0076());
+    printf("%" PRIu32 "\n", p0076());
     return 0;
 }
 #endif
diff --git a/c/src/p0836.c b/c/src/p0836.c
index 11600cb4..bde420c8 100644
--- a/c/src/p0836.c
+++ b/c/src/p0836.c
@@ -17,6 +17,7 @@ Find f(20230401, 57). Give as your answer the concatenation of the first letters
 #ifndef EULER_P0836
 #define EULER_P0836
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 
 char *p0836() {
diff --git a/cplusplus/src/include/math.h b/cplusplus/src/include/math.h
index 8deb2ac7..d660f657 100644
--- a/cplusplus/src/include/math.h
+++ b/cplusplus/src/include/math.h
@@ -5,6 +5,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <inttypes.h>
 
 using namespace std;
 
diff --git a/cplusplus/src/include/utils.h b/cplusplus/src/include/utils.h
index fdf24fac..e08e119f 100644
--- a/cplusplus/src/include/utils.h
+++ b/cplusplus/src/include/utils.h
@@ -1,6 +1,7 @@
 #pragma once
 #include <stdlib.h>
 #include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 #ifdef _WIN32
 #include <direct.h>
@@ -90,7 +91,7 @@ std::string get_data_file(const char *name) {
     const size_t ret_code = fread(buffer, 1, length, file);
     if (ret_code != length) {
         if (feof(file))
-            printf("Error reading %s: unexpected end of file, read %lu of %lu bytes expected\n", name, (uint64_t)ret_code, (uint64_t)length);
+            printf("Error reading %s: unexpected end of file, read %"PRIu64" of %"PRIu64" bytes expected\n", name, (uint64_t)ret_code, (uint64_t)length);
         else if (ferror(file))
             perror("Error reading data file");
     }