diff options
Diffstat (limited to 'src/shared.c')
| -rw-r--r-- | src/shared.c | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/src/shared.c b/src/shared.c index 250b348..b154391 100644 --- a/src/shared.c +++ b/src/shared.c | |||
| @@ -33,43 +33,4 @@ void* xreallocarray(void *ptr, size_t nmemb, size_t size) { | |||
| 33 | } | 33 | } |
| 34 | 34 | ||
| 35 | return mem; | 35 | return mem; |
| 36 | } | 36 | } \ No newline at end of file |
| 37 | |||
| 38 | #if !defined _GNU_SOURCE | ||
| 39 | |||
| 40 | int vasprintf(char **str, const char *format, va_list ap) { | ||
| 41 | va_list ap2; | ||
| 42 | int length, ret; | ||
| 43 | |||
| 44 | va_copy(ap2, ap); | ||
| 45 | if((length = vsnprintf(NULL, 0, format, ap2)) < 0) | ||
| 46 | return -1; | ||
| 47 | length++; // + 1 because sprintf does not count the null byte | ||
| 48 | va_end(ap2); | ||
| 49 | |||
| 50 | char *temp = reallocarray(*str, length, sizeof(char)); | ||
| 51 | if(temp == NULL) | ||
| 52 | return -1; | ||
| 53 | |||
| 54 | if((ret = vsnprintf(temp, length, format, ap)) < 0) { | ||
| 55 | free(temp); | ||
| 56 | return -1; | ||
| 57 | } else { | ||
| 58 | *str = temp; | ||
| 59 | } | ||
| 60 | |||
| 61 | return ret; | ||
| 62 | } | ||
| 63 | |||
| 64 | int asprintf(char **str, const char *format, ...) { | ||
| 65 | va_list ap; | ||
| 66 | int ret; | ||
| 67 | |||
| 68 | va_start(ap, format); | ||
| 69 | ret = vasprintf(str, format, ap); | ||
| 70 | va_end(ap); | ||
| 71 | |||
| 72 | return ret; | ||
| 73 | } | ||
| 74 | |||
| 75 | #endif \ No newline at end of file | ||
