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[tor-commits] [tor/master] Use smaller CPP error messages



commit 60f01da78eaab9d036ac4af0d6bea27eb210c7cb
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Fri Jan 10 10:36:51 2020 -0500

    Use smaller CPP error messages
    
    Clang-format wants to split these messages across multiple lines,
    which confuses the heck out of coccinelle.
---
 src/feature/dirclient/dirclient.c | 5 ++---
 src/lib/cc/compat_compiler.h      | 4 ++--
 src/lib/cc/torint.h               | 7 +++----
 src/lib/ctime/di_ops.c            | 4 ++--
 src/lib/memarea/memarea.c         | 2 +-
 5 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/src/feature/dirclient/dirclient.c b/src/feature/dirclient/dirclient.c
index 1b6eed12f..d2df6f30d 100644
--- a/src/feature/dirclient/dirclient.c
+++ b/src/feature/dirclient/dirclient.c
@@ -51,6 +51,7 @@
 #include "feature/rend/rendservice.h"
 #include "feature/stats/predict_ports.h"
 
+#include "lib/cc/ctassert.h"
 #include "lib/compress/compress.h"
 #include "lib/crypt_ops/crypto_format.h"
 #include "lib/crypt_ops/crypto_util.h"
@@ -1443,9 +1444,7 @@ compare_strs_(const void **a, const void **b)
 }
 
 #define CONDITIONAL_CONSENSUS_FPR_LEN 3
-#if (CONDITIONAL_CONSENSUS_FPR_LEN > DIGEST_LEN)
-#error "conditional consensus fingerprint length is larger than digest length"
-#endif
+CTASSERT(CONDITIONAL_CONSENSUS_FPR_LEN <= DIGEST_LEN);
 
 /** Return the URL we should use for a consensus download.
  *
diff --git a/src/lib/cc/compat_compiler.h b/src/lib/cc/compat_compiler.h
index 907622f94..571086406 100644
--- a/src/lib/cc/compat_compiler.h
+++ b/src/lib/cc/compat_compiler.h
@@ -25,11 +25,11 @@
 #endif /* defined(__has_feature) */
 
 #ifndef NULL_REP_IS_ZERO_BYTES
-#error "It seems your platform does not represent NULL as zero. We can't cope."
+#error "Your platform does not represent NULL as zero. We can't cope."
 #endif
 
 #ifndef DOUBLE_0_REP_IS_ZERO_BYTES
-#error "It seems your platform does not represent 0.0 as zeros. We can't cope."
+#error "Your platform does not represent 0.0 as zeros. We can't cope."
 #endif
 
 #if 'a'!=97 || 'z'!=122 || 'A'!=65 || ' '!=32
diff --git a/src/lib/cc/torint.h b/src/lib/cc/torint.h
index cef1482bd..af7a90431 100644
--- a/src/lib/cc/torint.h
+++ b/src/lib/cc/torint.h
@@ -49,7 +49,7 @@ typedef int32_t ssize_t;
  * aren't 2's complement, and you don't define LONG_MAX, then you're so
  * bizarre that I want nothing to do with you. */
 #ifndef USING_TWOS_COMPLEMENT
-#error "Seems that your platform doesn't use 2's complement arithmetic. Argh."
+#error "Your platform doesn't use 2's complement arithmetic."
 #endif
 
 #ifndef TIME_MAX
@@ -126,12 +126,11 @@ typedef int32_t ssize_t;
 #define SIZE_T_CEILING  ((size_t)(SSIZE_MAX-16))
 
 #if SIZEOF_INT > SIZEOF_VOID_P
-#error "sizeof(int) > sizeof(void *) - Tor cannot be built on this platform!"
+#error "sizeof(int) > sizeof(void *) - Can't build Tor here."
 #endif
 
 #if SIZEOF_UNSIGNED_INT > SIZEOF_VOID_P
-#error "sizeof(unsigned int) > sizeof(void *) - Tor cannot be built on this \
-platform!"
+#error "sizeof(unsigned int) > sizeof(void *) - Can't build Tor here."
 #endif
 
 #endif /* !defined(TOR_TORINT_H) */
diff --git a/src/lib/ctime/di_ops.c b/src/lib/ctime/di_ops.c
index 7448a9973..c14029b87 100644
--- a/src/lib/ctime/di_ops.c
+++ b/src/lib/ctime/di_ops.c
@@ -72,10 +72,10 @@ tor_memcmp(const void *a, const void *b, size_t len)
      * actually implementation-defined in standard C.  So how do we
      * get away with assuming it?  Easy.  We check.) */
 #if ((-60 >> 8) != -1)
-#error "According to cpp, right-shift doesn't perform sign-extension."
+#error "cpp says right-shift doesn't perform sign-extension."
 #endif
 #ifndef RSHIFT_DOES_SIGN_EXTEND
-#error "According to configure, right-shift doesn't perform sign-extension."
+#error "configure says right-shift doesn't perform sign-extension."
 #endif
 
     /* If v1 == v2, equal_p is ~0, so this will leave retval
diff --git a/src/lib/memarea/memarea.c b/src/lib/memarea/memarea.c
index d677c364a..4d26c20ee 100644
--- a/src/lib/memarea/memarea.c
+++ b/src/lib/memarea/memarea.c
@@ -39,7 +39,7 @@
 #elif MEMAREA_ALIGN == 8
 #define MEMAREA_ALIGN_MASK ((uintptr_t)7)
 #else
-#error "void* is neither 4 nor 8 bytes long. I don't know how to align stuff."
+#error "void* is neither 4 nor 8 bytes long."
 #endif /* MEMAREA_ALIGN == 4 || ... */
 
 #if defined(__GNUC__) && defined(FLEXIBLE_ARRAY_MEMBER)



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