diff options
Diffstat (limited to 'read.c')
| -rw-r--r-- | read.c | 12 |
1 files changed, 5 insertions, 7 deletions
@@ -15,15 +15,13 @@ void consumespaces(FILE* file) { ungetc(c, file); } -void wsclean(char* txt, size_t sz){ // "string \n \n" -> "string\n\n" - int nl = 0; // count of newlines +void wsclean(char* txt, size_t sz){ // "string \n \n" -> "string" size_t i; - for (i = sz-1; i >= 0; i--) { // start at end [i-1] and dec - if (txt[i] == '\n') nl++; // count up newlines - else if (txt[i] != ' ') break; // and break on unpadded text + for (i = sz; i > 0; i--) { // start at end [i-1] and dec + // break on non-nl, non-space char + if (txt[i-1] != ' ' && txt[i-1] != '\n') break; } - memset(txt+i, '\n', nl); // add #nl newlines at [i, i+nl) - txt[i+nl] = 0; // finish string + txt[i] = 0; // finish string } char* empty(void) { |