diff options
-rw-r--r-- | libbb/read_package_field.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libbb/read_package_field.c b/libbb/read_package_field.c new file mode 100644 index 000000000..4ba0bc602 --- /dev/null +++ b/libbb/read_package_field.c | |||
@@ -0,0 +1,31 @@ | |||
1 | //#include <stdio.h> | ||
2 | #include <string.h> | ||
3 | #include "libbb.h" | ||
4 | |||
5 | /* | ||
6 | * Returns a [multi-line] package field | ||
7 | */ | ||
8 | extern char *read_package_field(const char *package_buffer) | ||
9 | { | ||
10 | char *field = NULL; | ||
11 | int field_length = 0; | ||
12 | int buffer_length = 0; | ||
13 | |||
14 | buffer_length = strlen(package_buffer); | ||
15 | field = xcalloc(1, buffer_length + 1); | ||
16 | |||
17 | while ((field = strchr(&package_buffer[field_length], '\n')) != NULL) { | ||
18 | field_length = buffer_length - strlen(field); | ||
19 | if (package_buffer[field_length + 1] != ' ') { | ||
20 | break; | ||
21 | } else { | ||
22 | field_length++; | ||
23 | } | ||
24 | } | ||
25 | if (field_length == 0) { | ||
26 | return(NULL); | ||
27 | } else { | ||
28 | return(xstrndup(package_buffer, field_length)); | ||
29 | } | ||
30 | } | ||
31 | |||