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scanner: Fix desc_dump() to not extend beyond column 72

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This commit is contained in:
Kristian Høgsberg 2012-05-07 22:43:56 -04:00
parent e4026ff797
commit 5b0d8f09af
1 changed files with 11 additions and 17 deletions
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28
src/scanner.c
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@ -157,29 +157,23 @@ static const char *indent(int n)
static void static void
desc_dump(char *src, int startcol) desc_dump(char *src, int startcol)
{ {
int i, col = startcol, line = 0; int i, j, col = startcol;
/* Strip leading space */ for (i = 0; src[i]; i++) {
for (i = 0; isspace(src[i]); i++) if (isspace(src[i]))
;
for (; src[i]; i++) {
/* Collapse multiple spaces into 1 */
if (isspace(src[i]) && isspace(src[i + 1]))
continue; continue;
if (isspace(src[i])) j = i;
src[i] = ' '; while (src[i] && !isspace(src[i]))
i++;
if (col > 72 && isspace(src[i])) { if (col + i - j > 72) {
if (src[i+1]) printf("\n%s * ", indent(startcol));
printf("\n%s* ", indent(startcol + 1));
line++;
col = startcol; col = startcol;
} else {
putchar(src[i]);
col++;
} }
col += printf("%s%.*s",
col > startcol ? " " : "", i - j, &src[j]);
} }
} }