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-rw-r--r--libbb/read_package_field.c31
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 */
8extern 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