| 1 | static int my_isblank(char c) |
| 2 | { |
| 3 | return c == '\t' || c == ' ' || c == '\r' || c == '\n'; |
| 4 | } |
| 5 | |
| 6 | static int my_issep(char c) |
| 7 | { |
| 8 | return c == '(' || c == ')' || c == '[' || c == ']' |
| 9 | || c == '<' || c == '>' || c == ',' |
| 10 | || c == '+' || c == '-' || c == '*' || c == '/'; |
| 11 | } |
| 12 | |
| 13 | static char *sskip(char *s) |
| 14 | { |
| 15 | while (my_isblank(*s)) |
| 16 | s++; |
| 17 | |
| 18 | return s; |
| 19 | } |
| 20 | |
| 21 | static char *next_word(char *w, size_t wsize, char *s) |
| 22 | { |
| 23 | size_t i; |
| 24 | |
| 25 | s = sskip(s); |
| 26 | |
| 27 | for (i = 0; i < wsize - 1; i++) { |
| 28 | if (s[i] == 0 || my_isblank(s[i])) |
| 29 | break; |
| 30 | w[i] = s[i]; |
| 31 | } |
| 32 | w[i] = 0; |
| 33 | |
| 34 | if (s[i] != 0 && !my_isblank(s[i])) |
| 35 | printf("warning: '%s' truncated\n", w); |
| 36 | |
| 37 | return s + i; |
| 38 | } |
| 39 | |
| 40 | static inline char *next_idt(char *w, size_t wsize, char *s) |
| 41 | { |
| 42 | size_t i; |
| 43 | |
| 44 | s = sskip(s); |
| 45 | |
| 46 | for (i = 0; i < wsize - 1; i++) { |
| 47 | if (s[i] == 0 || my_isblank(s[i]) || my_issep(s[i])) |
| 48 | break; |
| 49 | w[i] = s[i]; |
| 50 | } |
| 51 | w[i] = 0; |
| 52 | |
| 53 | if (s[i] != 0 && !my_isblank(s[i]) && !my_issep(s[i])) |
| 54 | printf("warning: '%s' truncated\n", w); |
| 55 | |
| 56 | return s + i; |
| 57 | } |