diff options
author | Ian C <ianc@noddybox.co.uk> | 2016-09-02 08:19:29 +0000 |
---|---|---|
committer | Ian C <ianc@noddybox.co.uk> | 2016-09-02 08:19:29 +0000 |
commit | 54bb3c9abdd34b92be44b87382a7b3c03a5991d9 (patch) | |
tree | 7d791e8b6758a2aeec37c94d4a5871d9b9d5b7da /ascii2map.c | |
parent | d1b2a8b7d86d8b02f635b112a7f39e7437eac829 (diff) |
Added README and clamped code point values.
Diffstat (limited to 'ascii2map.c')
-rw-r--r-- | ascii2map.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/ascii2map.c b/ascii2map.c index 30a2c44..f24cb77 100644 --- a/ascii2map.c +++ b/ascii2map.c @@ -105,6 +105,24 @@ static void EndOutput(FILE *fp) } +static unsigned CodePoint(char c) +{ + int offset = c - code_point; + + if (offset < 0) + { + offset = 0; + } + + if (offset > 255) + { + offset = 255; + } + + return (unsigned)offset; +} + + static void Output(FILE *fp, char c) { static int column; @@ -138,7 +156,7 @@ static void Output(FILE *fp, char c) } else { - fprintf(fp, "%u", c - code_point); + fprintf(fp, "%u", CodePoint(c)); } break; @@ -150,7 +168,7 @@ static void Output(FILE *fp, char c) } else { - putc(c - code_point, fp); + putc(CodePoint(c), fp); } break; @@ -177,7 +195,7 @@ static void Output(FILE *fp, char c) } else { - fprintf(fp, "%u", c - code_point); + fprintf(fp, "%u", CodePoint(c)); } break; |