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Commit | Line | Data |
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a41a0e28 GKH |
1 | /* |
2 | * fgets.c | |
3 | * | |
4 | * This will be very slow due to the implementation of getc(), | |
5 | * but we can't afford to drain characters we don't need from | |
6 | * the input. | |
7 | */ | |
8 | ||
9 | #include <stdio.h> | |
10 | ||
11 | char *fgets(char *s, int n, FILE *f) | |
12 | { | |
13 | int ch; | |
14 | char *p = s; | |
15 | ||
16 | while ( n > 1 ) { | |
17 | ch = getc(f); | |
18 | if ( ch == EOF ) { | |
19 | *p = '\0'; | |
20 | return NULL; | |
21 | } | |
22 | *p++ = ch; | |
9607c422 | 23 | n--; |
a41a0e28 GKH |
24 | if ( ch == '\n' ) |
25 | break; | |
26 | } | |
27 | if ( n ) | |
28 | *p = '\0'; | |
29 | ||
30 | return s; | |
31 | } | |
32 | ||
33 | ||
34 |