SIZEOF_REV introduced: 41 bytes of pure madness!

diff --git a/tig.c b/tig.c
index a871cb0e2a6458dbaa93a3d4c6b2e3170f743a77..711b9adefe57a657837ff765260bed80ce7c06b3 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -59,6 +59,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 
 #define SIZEOF_STR     1024    /* Default string size. */
 #define SIZEOF_REF     256     /* Size of symbolic or SHA1 ID. */
+#define SIZEOF_REV     41      /* Holds a SHA-1 and an ending NUL */
 #define SIZEOF_REVGRAPH        19      /* Size of revision ancestry graphics. */
 
 /* This color name can be used to refer to the default term colors. */
@@ -109,7 +110,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 
 struct ref {
        char *name;             /* Ref name; tag or head names are shortened. */
-       char id[41];            /* Commit SHA1 ID */
+       char id[SIZEOF_REV];    /* Commit SHA1 ID */
        unsigned int tag:1;     /* Is it a tag? */
        unsigned int next:1;    /* For ref lists: are there more refs? */
 };
@@ -2659,7 +2660,7 @@ static struct view_ops blob_ops = {
  */
 
 struct commit {
-       char id[41];                    /* SHA1 ID. */
+       char id[SIZEOF_REV];            /* SHA1 ID. */
        char title[75];                 /* First line of the commit message. */
        char author[75];                /* Author of the commit. */
        struct tm time;                 /* Date from the author ident. */