diff options
| -rw-r--r-- | builtin-name-rev.c | 5 | ||||
| -rw-r--r-- | git-compat-util.h | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/builtin-name-rev.c b/builtin-name-rev.c index c022224361..ef16385907 100644 --- a/builtin-name-rev.c +++ b/builtin-name-rev.c @@ -58,7 +58,10 @@ copy_data: parents = parents->next, parent_number++) { if (parent_number > 1) { int len = strlen(tip_name); - char *new_name = xmalloc(len + 8); + char *new_name = xmalloc(len + + 1 + decimal_length(generation) + /* ~<n> */ + 1 + 2 + /* ^NN */ + 1); if (len > 2 && !strcmp(tip_name + len - 2, "^0")) len -= 2; diff --git a/git-compat-util.h b/git-compat-util.h index bd93b62578..7ed8b88b1f 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -13,6 +13,9 @@ #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +/* Approximation of the length of the decimal representation of this type. */ +#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) + #if !defined(__APPLE__) && !defined(__FreeBSD__) #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */ |